Merge remote-tracking branch 'upstream/master' into artifacts-from-ref-and-build-name

* upstream/master: (359 commits)
  Add new image to show the 'Reset template' button
  Refactor description templates documentation
  Remove index from pipeline toggles
  Hide `Create new list button` on Issues and MRs pages
  Remove params from build; general refactor
  Style build container box; add check mark to active build
  Display jobs as scrolling list in sidebar
  Move stages and jobs to build sidebar
  Removed vue assets
  Move skipped tests to end of array
  Remove unused data attributes
  Update changelog
  Style build dropdowns
  Populate dropdowns with current build on pageload
  Selecting stage updates builds dropdown
  Add data attributes to builds
  Change active state of list items; style dropdown items
  Hide dropdown if all tests fit on one line; add counter to dropdown
  Add overflow tests to dropdown
  Order by build status
  ...

CHANGELOG

@@ -5,10 +5,12 @@ v 8.11.0 (unreleased)
   - Remove the http_parser.rb dependency by removing the tinder gem. !5758 (tbalthazar)
   - Ability to specify branches for Pivotal Tracker integration (Egor Lynko)
   - Fix don't pass a local variable called `i` to a partial. !20510 (herminiotorres)
+  - Add delimiter to project stars and forks count (ClemMakesApps)
   - Fix rename `add_users_into_project` and `projects_ids`. !20512 (herminiotorres)
   - Fix the title of the toggle dropdown button. !5515 (herminiotorres)
   - Rename `markdown_preview` routes to `preview_markdown`. (Christopher Bartz)
   - Update to Ruby 2.3.1. !4948
+  - Add Issues Board !5548
   - Improve diff performance by eliminating redundant checks for text blobs
   - Ensure that branch names containing escapable characters (e.g. %20) aren't unescaped indiscriminately. !5770 (ewiltshi)
   - Convert switch icon into icon font (ClemMakesApps)
@@ -16,6 +18,7 @@ v 8.11.0 (unreleased)
   - API: List access requests, request access, approve, and deny access requests to a project or a group. !4833
   - Use long options for curl examples in documentation !5703 (winniehell)
   - Remove magic comments (`# encoding: UTF-8`) from Ruby files. !5456 (winniehell)
+  - GitLab Performance Monitoring can now track custom events such as the number of tags pushed to a repository
   - Add support for relative links starting with ./ or / to RelativeLinkFilter (winniehell)
   - Ignore URLs starting with // in Markdown links !5677 (winniehell)
   - Fix CI status icon link underline (ClemMakesApps)
@@ -32,6 +35,7 @@ v 8.11.0 (unreleased)
   - Fix awardable button mutuality loading spinners (ClemMakesApps)
   - Add support for using RequestStore within Sidekiq tasks via SIDEKIQ_REQUEST_STORE env variable
   - Optimize maximum user access level lookup in loading of notes
+  - Send notification emails to users newly mentioned in issue and MR edits !5800
   - Add "No one can push" as an option for protected branches. !5081
   - Improve performance of AutolinkFilter#text_parse by using XPath
   - Add experimental Redis Sentinel support !1877
@@ -43,6 +47,7 @@ v 8.11.0 (unreleased)
   - Remove unused images (ClemMakesApps)
   - Get issue and merge request description templates from repositories
   - Add hover state to todos !5361 (winniehell)
+  - Fix icon alignment of star and fork buttons !5451 (winniehell)
   - Limit git rev-list output count to one in forced push check
   - Show deployment status on merge requests with external URLs
   - Clean up unused routes (Josef Strzibny)
@@ -91,14 +96,18 @@ v 8.11.0 (unreleased)
   - Allow branch names ending with .json for graph and network page !5579 (winniehell)
   - Add the `sprockets-es6` gem
   - Improve OAuth2 client documentation (muteor)
+  - Fix diff comments inverted toggle bug (ClemMakesApps)
   - Multiple trigger variables show in separate lines (Katarzyna Kobierska Ula Budziszewska)
   - Profile requests when a header is passed
   - Avoid calculation of line_code and position for _line partial when showing diff notes on discussion tab.
   - Speedup DiffNote#active? on discussions, preloading noteables and avoid touching git repository to return diff_refs when possible
   - Add commit stats in commit api. !5517 (dixpac)
   - Add CI configuration button on project page
+  - Fix merge request new view not changing code view rendering style
   - Make error pages responsive (Takuya Noguchi)
+  - The performance of the project dropdown used for moving issues has been improved
   - Fix skip_repo parameter being ignored when destroying a namespace
+  - Add all builds into stage/job dropdowns on builds page
   - Change requests_profiles resource constraint to catch virtually any file
   - Bump gitlab_git to lazy load compare commits
   - Reduce number of queries made for merge_requests/:id/diffs
@@ -111,6 +120,7 @@ v 8.11.0 (unreleased)
   - Speed up and reduce memory usage of Commit#repo_changes, Repository#expire_avatar_cache and IrkerWorker
   - Add unfold links for Side-by-Side view. !5415 (Tim Masliuchenko)
   - Adds support for pending invitation project members importing projects
+  - Add pipeline visualization/graph on pipeline page
   - Update devise initializer to turn on changed password notification emails. !5648 (tombell)
   - Avoid to show the original password field when password is automatically set. !5712 (duduribeiro)
   - Fix importing GitLab projects with an invalid MR source project
@@ -120,6 +130,7 @@ v 8.11.0 (unreleased)
   - Fix a memory leak caused by Banzai::Filter::SanitizationFilter
   - Speed up todos queries by limiting the projects set we join with
   - Ensure file editing in UI does not overwrite commited changes without warning user
+  - Eliminate unneeded calls to Repository#blob_at when listing commits with no path
 
 v 8.10.6
   - Upgrade Rails to 4.2.7.1 for security fixes. !5781

Gemfile

@@ -314,6 +314,7 @@ end
 group :test do
   gem 'shoulda-matchers', '~> 2.8.0', require: false
   gem 'email_spec', '~> 1.6.0'
+  gem 'json-schema', '~> 2.6.2'
   gem 'webmock', '~> 1.21.0'
   gem 'test_after_commit', '~> 0.4.2'
   gem 'sham_rack', '~> 1.3.6'

Gemfile.lock

@@ -356,6 +356,8 @@ GEM
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
     json (1.8.3)
+    json-schema (2.6.2)
+      addressable (~> 2.3.8)
     jwt (1.5.4)
     kaminari (0.17.0)
       actionpack (>= 3.0.0)
@@ -873,6 +875,7 @@ DEPENDENCIES
   jquery-rails (~> 4.1.0)
   jquery-turbolinks (~> 2.1.0)
   jquery-ui-rails (~> 5.0.0)
+  json-schema (~> 2.6.2)
   jwt
   kaminari (~> 0.17.0)
   knapsack (~> 1.11.0)

app/assets/javascripts/application.js

@@ -224,8 +224,11 @@
       return $('.navbar-toggle').toggleClass('active');
     });
     $body.on("click", ".js-toggle-diff-comments", function(e) {
-      $(this).toggleClass('active');
-      $(this).closest(".diff-file").find(".notes_holder").toggle();
+      var $this = $(this);
+      var showComments = $this.hasClass('active');
+
+      $this.toggleClass('active');
+      $this.closest(".diff-file").find(".notes_holder").toggle(showComments);
       return e.preventDefault();
     });
     $document.off("click", '.js-confirm-danger');

app/assets/javascripts/boards/boards_bundle.js.es6

+//= require vue
+//= require vue-resource
+//= require Sortable
+//= require_tree ./models
+//= require_tree ./stores
+//= require_tree ./services
+//= require_tree ./mixins
+//= require ./components/board
+//= require ./components/new_list_dropdown
+//= require ./vue_resource_interceptor
+
+$(() => {
+  const $boardApp = document.getElementById('board-app'),
+        Store = gl.issueBoards.BoardsStore;
+
+  window.gl = window.gl || {};
+
+  if (gl.IssueBoardsApp) {
+    gl.IssueBoardsApp.$destroy(true);
+  }
+
+  gl.IssueBoardsApp = new Vue({
+    el: $boardApp,
+    components: {
+      'board': gl.issueBoards.Board
+    },
+    data: {
+      state: Store.state,
+      loading: true,
+      endpoint: $boardApp.dataset.endpoint,
+      disabled: $boardApp.dataset.disabled === 'true',
+      issueLinkBase: $boardApp.dataset.issueLinkBase
+    },
+    init: Store.create.bind(Store),
+    created () {
+      gl.boardService = new BoardService(this.endpoint);
+    },
+    ready () {
+      Store.disabled = this.disabled;
+      gl.boardService.all()
+        .then((resp) => {          
+          resp.json().forEach((board) => {
+            const list = Store.addList(board);
+
+            if (list.type === 'done') {
+              list.position = Infinity;
+            } else if (list.type === 'backlog') {
+              list.position = -1;
+            }
+          });
+
+          Store.addBlankState();
+          this.loading = false;
+        });
+    }
+  });
+});

app/assets/javascripts/boards/components/board.js.es6

+//= require ./board_blank_state
+//= require ./board_delete
+//= require ./board_list
+
+(() => {
+  const Store = gl.issueBoards.BoardsStore;
+
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.Board = Vue.extend({
+    components: {
+      'board-list': gl.issueBoards.BoardList,
+      'board-delete': gl.issueBoards.BoardDelete,
+      'board-blank-state': gl.issueBoards.BoardBlankState
+    },
+    props: {
+      list: Object,
+      disabled: Boolean,
+      issueLinkBase: String
+    },
+    data () {
+      return {
+        query: '',
+        filters: Store.state.filters
+      };
+    },
+    watch: {
+      query () {
+        this.list.filters = this.getFilterData();
+        this.list.getIssues(true);
+      },
+      filters: {
+        handler () {
+          this.list.page = 1;
+          this.list.getIssues(true);
+        },
+        deep: true
+      }
+    },
+    methods: {
+      getFilterData () {
+        const filters = this.filters;
+        let queryData = { search: this.query };
+
+        Object.keys(filters).forEach((key) => { queryData[key] = filters[key]; });
+
+        return queryData;
+      }
+    },
+    ready () {
+      const options = gl.issueBoards.getBoardSortableDefaultOptions({
+        disabled: this.disabled,
+        group: 'boards',
+        draggable: '.is-draggable',
+        handle: '.js-board-handle',
+        onEnd: (e) => {
+          document.body.classList.remove('is-dragging');
+
+          if (e.newIndex !== undefined && e.oldIndex !== e.newIndex) {
+            const order = this.sortable.toArray(),
+                  $board = this.$parent.$refs.board[e.oldIndex + 1],
+                  list = $board.list;
+
+            $board.$destroy(true);
+
+            this.$nextTick(() => {
+              Store.state.lists.splice(e.newIndex, 0, list);
+              Store.moveList(list, order);
+            });
+          }
+        }
+      });
+
+      if (bp.getBreakpointSize() === 'xs') {
+        options.handle = '.js-board-drag-handle';
+      }
+
+      this.sortable = Sortable.create(this.$el.parentNode, options);
+    },
+    beforeDestroy () {
+      Store.state.lists.$remove(this.list);
+    }
+  });
+})();

app/assets/javascripts/boards/components/board_blank_state.js.es6

+(() => {
+  const Store = gl.issueBoards.BoardsStore;
+
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.BoardBlankState = Vue.extend({
+    data () {
+      return {
+        predefinedLabels: [
+          new ListLabel({ title: 'Development', color: '#5CB85C' }),
+          new ListLabel({ title: 'Testing', color: '#F0AD4E' }),
+          new ListLabel({ title: 'Production', color: '#FF5F00' }),
+          new ListLabel({ title: 'Ready', color: '#FF0000' })
+        ]
+      }
+    },
+    methods: {
+      addDefaultLists () {
+        this.clearBlankState();
+
+        this.predefinedLabels.forEach((label, i) => {
+          Store.addList({
+            title: label.title,
+            position: i,
+            list_type: 'label',
+            label: {
+              title: label.title,
+              color: label.color
+            }
+          });
+        });
+
+        // Save the labels
+        gl.boardService.generateDefaultLists()
+          .then((resp) => {
+            resp.json().forEach((listObj) => {
+              const list = Store.findList('title', listObj.title);
+
+              list.id = listObj.id;
+              list.label.id = listObj.label.id;
+              list.getIssues();
+            });
+          });
+      },
+      clearBlankState: Store.removeBlankState.bind(Store)
+    }
+  });
+})();

app/assets/javascripts/boards/components/board_card.js.es6

+(() => {
+  const Store = gl.issueBoards.BoardsStore;
+
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.BoardCard = Vue.extend({
+    props: {
+      list: Object,
+      issue: Object,
+      issueLinkBase: String,
+      disabled: Boolean,
+      index: Number
+    },
+    methods: {
+      filterByLabel (label, e) {
+        let labelToggleText = label.title;
+        const labelIndex = Store.state.filters['label_name'].indexOf(label.title);
+        $(e.target).tooltip('hide');
+
+        if (labelIndex === -1) {
+          Store.state.filters['label_name'].push(label.title);
+          $('.labels-filter').prepend(`<input type="hidden" name="label_name[]" value="${label.title}" />`);
+        } else {
+          Store.state.filters['label_name'].splice(labelIndex, 1);
+          labelToggleText = Store.state.filters['label_name'][0];
+          $(`.labels-filter input[name="label_name[]"][value="${label.title}"]`).remove();
+        }
+
+        const selectedLabels = Store.state.filters['label_name'];
+        if (selectedLabels.length === 0) {
+          labelToggleText = 'Label';
+        } else if (selectedLabels.length > 1) {
+          labelToggleText = `${selectedLabels[0]} + ${selectedLabels.length - 1} more`;
+        }
+
+        $('.labels-filter .dropdown-toggle-text').text(labelToggleText);
+
+        Store.updateFiltersUrl();
+      }
+    }
+  });
+})();

app/assets/javascripts/boards/components/board_delete.js.es6

+(() => {
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.BoardDelete = Vue.extend({
+    props: {
+      list: Object
+    },
+    methods: {
+      deleteBoard () {
+        $(this.$el).tooltip('hide');
+
+        if (confirm('Are you sure you want to delete this list?')) {
+          this.list.destroy();
+        }
+      }
+    }
+  });
+})();

app/assets/javascripts/boards/components/board_list.js.es6

+//= require ./board_card
+
+(() => {
+  const Store = gl.issueBoards.BoardsStore;
+
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.BoardList = Vue.extend({
+    components: {
+      'board-card': gl.issueBoards.BoardCard
+    },
+    props: {
+      disabled: Boolean,
+      list: Object,
+      issues: Array,
+      loading: Boolean,
+      issueLinkBase: String
+    },
+    data () {
+      return {
+        scrollOffset: 250,
+        filters: Store.state.filters
+      };
+    },
+    watch: {
+      filters: {
+        handler () {
+          this.list.loadingMore = false;
+          this.$els.list.scrollTop = 0;
+        },
+        deep: true
+      }
+    },
+    methods: {
+      listHeight () {
+        return this.$els.list.getBoundingClientRect().height;
+      },
+      scrollHeight () {
+        return this.$els.list.scrollHeight;
+      },
+      scrollTop () {
+        return this.$els.list.scrollTop + this.listHeight();
+      },
+      loadNextPage () {
+        const getIssues = this.list.nextPage();
+
+        if (getIssues) {
+          this.list.loadingMore = true;
+          getIssues.then(() => {
+            this.list.loadingMore = false;
+          });
+        }
+      },
+    },
+    ready () {
+      const options = gl.issueBoards.getBoardSortableDefaultOptions({
+        group: 'issues',
+        sort: false,
+        disabled: this.disabled,
+        onStart: (e) => {
+          const card = this.$refs.issue[e.oldIndex];
+
+          Store.moving.issue = card.issue;
+          Store.moving.list = card.list;
+        },
+        onAdd: (e) => {
+          gl.issueBoards.BoardsStore.moveIssueToList(Store.moving.list, this.list, Store.moving.issue);
+        },
+        onRemove: (e) => {
+          this.$refs.issue[e.oldIndex].$destroy(true);
+        }
+      });
+
+      if (bp.getBreakpointSize() === 'xs') {
+        options.handle = '.js-card-drag-handle';
+      }
+
+      this.sortable = Sortable.create(this.$els.list, options);
+
+      // Scroll event on list to load more
+      this.$els.list.onscroll = () => {
+        if ((this.scrollTop() > this.scrollHeight() - this.scrollOffset) && !this.list.loadingMore) {
+          this.loadNextPage();
+        }
+      };
+    }
+  });
+})();

app/assets/javascripts/boards/components/new_list_dropdown.js.es6

+$(() => {
+  const Store = gl.issueBoards.BoardsStore;
+
+  $('.js-new-board-list').each(function () {
+    const $this = $(this);
+
+    new gl.CreateLabelDropdown($this.closest('.dropdown').find('.dropdown-new-label'), $this.data('project-id'));
+
+    $this.glDropdown({
+      data(term, callback) {
+        $.get($this.attr('data-labels'))
+          .then((resp) => {
+            callback(resp);
+          });
+      },
+      renderRow (label) {
+        const active = Store.findList('title', label.title),
+              $li = $('<li />'),
+              $a = $('<a />', {
+                class: (active ? `is-active js-board-list-${active.id}` : ''),
+                text: label.title,
+                href: '#'
+              }),
+              $labelColor = $('<span />', {
+                class: 'dropdown-label-box',
+                style: `background-color: ${label.color}`
+              });
+
+        return $li.append($a.prepend($labelColor));
+      },
+			search: {
+				fields: ['title']
+			},
+			filterable: true,
+      selectable: true,
+      clicked (label, $el, e) {
+        e.preventDefault();
+
+        if (!Store.findList('title', label.title)) {
+          Store.new({
+            title: label.title,
+            position: Store.state.lists.length - 2,
+            list_type: 'label',
+            label: {
+              id: label.id,
+              title: label.title,
+              color: label.color
+            }
+          });
+        }
+      }
+    });
+  });
+});

app/assets/javascripts/boards/mixins/sortable_default_options.js.es6

+((w) => {
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.getBoardSortableDefaultOptions = (obj) => {
+    let defaultSortOptions = {
+      forceFallback: true,
+      fallbackClass: 'is-dragging',
+      fallbackOnBody: true,
+      ghostClass: 'is-ghost',
+      filter: '.has-tooltip',
+      scrollSensitivity: 100,
+      scrollSpeed: 20,
+      onStart () {
+        document.body.classList.add('is-dragging');
+      },
+      onEnd () {
+        document.body.classList.remove('is-dragging');
+      }
+    }
+
+    Object.keys(obj).forEach((key) => { defaultSortOptions[key] = obj[key]; });
+    return defaultSortOptions;
+  };
+})(window);

app/assets/javascripts/boards/models/issue.js.es6

+class ListIssue {
+  constructor (obj) {
+    this.id = obj.iid;
+    this.title = obj.title;
+    this.confidential = obj.confidential;
+    this.labels = [];
+
+    if (obj.assignee) {
+      this.assignee = new ListUser(obj.assignee);
+    }
+
+    obj.labels.forEach((label) => {
+      this.labels.push(new ListLabel(label));
+    });
+
+    this.priority = this.labels.reduce((max, label) => {
+      return (label.priority < max) ? label.priority : max;
+    }, Infinity);
+  }
+
+  addLabel (label) {
+    if (!this.findLabel(label)) {
+      this.labels.push(new ListLabel(label));
+    }
+  }
+
+  findLabel (findLabel) {
+    return this.labels.filter( label => label.title === findLabel.title )[0];
+  }
+
+  removeLabel (removeLabel) {
+    if (removeLabel) {
+      this.labels = this.labels.filter( label => removeLabel.title !== label.title );
+    }
+  }
+
+  removeLabels (labels) {
+    labels.forEach(this.removeLabel.bind(this));
+  }
+
+  getLists () {
+    return gl.issueBoards.BoardsStore.state.lists.filter( list => list.findIssue(this.id) );
+  }
+}

app/assets/javascripts/boards/models/label.js.es6

+class ListLabel {
+  constructor (obj) {
+    this.id = obj.id;
+    this.title = obj.title;
+    this.color = obj.color;
+    this.description = obj.description;
+    this.priority = (obj.priority !== null) ? obj.priority : Infinity;
+  }
+}

app/assets/javascripts/boards/models/list.js.es6

+class List {
+  constructor (obj) {
+    this.id = obj.id;
+    this._uid = this.guid();
+    this.position = obj.position;
+    this.title = obj.title;
+    this.type = obj.list_type;
+    this.preset = ['backlog', 'done', 'blank'].indexOf(this.type) > -1;
+    this.filters = gl.issueBoards.BoardsStore.state.filters;
+    this.page = 1;
+    this.loading = true;
+    this.loadingMore = false;
+    this.issues = [];
+
+    if (obj.label) {
+      this.label = new ListLabel(obj.label);
+    }
+
+    if (this.type !== 'blank' && this.id) {
+      this.getIssues();
+    }
+  }
+
+  guid() {
+    const s4 = () => Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
+    return `${s4()}${s4()}-${s4()}-${s4()}-${s4()}-${s4()}${s4()}${s4()}`;
+  }
+
+  save () {
+    return gl.boardService.createList(this.label.id)
+      .then((resp) => {
+        const data = resp.json();
+
+        this.id = data.id;
+        this.type = data.list_type;
+        this.position = data.position;
+
+        return this.getIssues();
+      });
+  }
+
+  destroy () {
+    gl.issueBoards.BoardsStore.state.lists.$remove(this);
+    gl.issueBoards.BoardsStore.updateNewListDropdown(this.id);
+
+    gl.boardService.destroyList(this.id);
+  }
+
+  update () {
+    gl.boardService.updateList(this.id, this.position);
+  }
+
+  nextPage () {
+    if (Math.floor(this.issues.length / 20) === this.page) {
+      this.page++;
+
+      return this.getIssues(false);
+    }
+  }
+
+  canSearch () {
+    return this.type === 'backlog';
+  }
+
+  getIssues (emptyIssues = true) {
+    const filters = this.filters;
+    let data = { page: this.page };
+
+    Object.keys(filters).forEach((key) => { data[key] = filters[key]; });
+
+    if (this.label) {
+      data.label_name = data.label_name.filter( label => label !== this.label.title );
+    }
+
+    if (emptyIssues) {
+      this.loading = true;
+    }
+
+    return gl.boardService.getIssuesForList(this.id, data)
+      .then((resp) => {
+        const data = resp.json();
+        this.loading = false;
+
+        if (emptyIssues) {
+          this.issues = [];
+        }
+
+        this.createIssues(data);
+      });
+  }
+
+  createIssues (data) {
+    data.forEach((issueObj) => {
+      this.addIssue(new ListIssue(issueObj));
+    });
+  }
+
+  addIssue (issue, listFrom) {
+    this.issues.push(issue);
+
+    if (this.label) {
+      issue.addLabel(this.label);
+    }
+
+    if (listFrom) {
+      gl.boardService.moveIssue(issue.id, listFrom.id, this.id);
+    }
+  }
+
+  findIssue (id) {
+    return this.issues.filter( issue => issue.id === id )[0];
+  }
+
+  removeIssue (removeIssue) {
+    this.issues = this.issues.filter((issue) => {
+      const matchesRemove = removeIssue.id === issue.id;
+
+      if (matchesRemove) {
+        issue.removeLabel(this.label);
+      }
+
+      return !matchesRemove;
+    });
+  }
+}

app/assets/javascripts/boards/models/user.js.es6

+class ListUser {
+  constructor (user) {
+    this.id = user.id;
+    this.name = user.name;
+    this.username = user.username;
+    this.avatar = user.avatar_url;
+  }
+}

app/assets/javascripts/boards/services/board_service.js.es6

+class BoardService {
+  constructor (root) {
+    Vue.http.options.root = root;
+
+    this.lists = Vue.resource(`${root}/lists{/id}`, {}, {
+      generate: {
+        method: 'POST',
+        url: `${root}/lists/generate.json`
+      }
+    });
+    this.issue = Vue.resource(`${root}/issues{/id}`, {});
+    this.issues = Vue.resource(`${root}/lists{/id}/issues`, {});
+
+    Vue.http.interceptors.push((request, next) => {
+      request.headers['X-CSRF-Token'] = $.rails.csrfToken();
+      next();
+    });
+  }
+
+  all () {
+    return this.lists.get();
+  }
+
+  generateDefaultLists () {
+    return this.lists.generate({});
+  }
+
+  createList (label_id) {
+    return this.lists.save({}, {
+      list: {
+        label_id
+      }
+    });
+  }
+
+  updateList (id, position) {
+    return this.lists.update({ id }, {
+      list: {
+        position
+      }
+    });
+  }
+
+  destroyList (id) {
+    return this.lists.delete({ id });
+  }
+
+  getIssuesForList (id, filter = {}) {
+    let data = { id };
+    Object.keys(filter).forEach((key) => { data[key] = filter[key]; });
+
+    return this.issues.get(data);
+  }
+
+  moveIssue (id, from_list_id, to_list_id) {
+    return this.issue.update({ id }, {
+      from_list_id,
+      to_list_id
+    });
+  }
+};

app/assets/javascripts/boards/stores/boards_store.js.es6

+(() => {
+  window.gl = window.gl || {};
+  window.gl.issueBoards = window.gl.issueBoards || {};
+
+  gl.issueBoards.BoardsStore = {
+    disabled: false,
+    state: {},
+    moving: {
+      issue: {},
+      list: {}
+    },
+    create () {
+      this.state.lists = [];
+      this.state.filters = {
+        author_id: gl.utils.getParameterValues('author_id')[0],
+        assignee_id: gl.utils.getParameterValues('assignee_id')[0],
+        milestone_title: gl.utils.getParameterValues('milestone_title')[0],
+        label_name: gl.utils.getParameterValues('label_name[]')
+      };
+    },
+    addList (listObj) {
+      const list = new List(listObj);
+      this.state.lists.push(list);
+
+      return list;
+    },
+    new (listObj) {
+      const list = this.addList(listObj),
+            backlogList = this.findList('type', 'backlog', 'backlog');
+
+      list
+        .save()
+        .then(() => {
+          // Remove any new issues from the backlog
+          // as they will be visible in the new list
+          list.issues.forEach(backlogList.removeIssue.bind(backlogList));
+        });
+      this.removeBlankState();
+    },
+    updateNewListDropdown (listId) {
+      $(`.js-board-list-${listId}`).removeClass('is-active');
+    },
+    shouldAddBlankState () {
+      // Decide whether to add the blank state
+      return !(this.state.lists.filter( list => list.type !== 'backlog' && list.type !== 'done' )[0]);
+    },
+    addBlankState () {
+      if (!this.shouldAddBlankState() || this.welcomeIsHidden() || this.disabled) return;
+
+      this.addList({
+        id: 'blank',
+        list_type: 'blank',
+        title: 'Welcome to your Issue Board!',
+        position: 0
+      });
+    },
+    removeBlankState () {
+      this.removeList('blank');
+
+      $.cookie('issue_board_welcome_hidden', 'true', {
+        expires: 365 * 10
+      });
+    },
+    welcomeIsHidden () {
+      return $.cookie('issue_board_welcome_hidden') === 'true';
+    },
+    removeList (id, type = 'blank') {
+      const list = this.findList('id', id, type);
+
+      if (!list) return;
+
+      this.state.lists = this.state.lists.filter( list => list.id !== id );
+    },
+    moveList (listFrom, orderLists) {
+      orderLists.forEach((id, i) => {
+        const list = this.findList('id', parseInt(id));
+
+        list.position = i;
+      });
+      listFrom.update();
+    },
+    moveIssueToList (listFrom, listTo, issue) {
+      const issueTo = listTo.findIssue(issue.id),
+            issueLists = issue.getLists(),
+            listLabels = issueLists.map( listIssue => listIssue.label );
+
+      // Add to new lists issues if it doesn't already exist
+      if (!issueTo) {
+        listTo.addIssue(issue, listFrom);
+      }
+
+      if (listTo.type === 'done' && listFrom.type !== 'backlog') {
+        issueLists.forEach((list) => {
+          list.removeIssue(issue);
+        })
+        issue.removeLabels(listLabels);
+      } else {
+        listFrom.removeIssue(issue);
+      }
+    },
+    findList (key, val, type = 'label') {
+      return this.state.lists.filter((list) => {
+        const byType = type ? list['type'] === type : true;
+
+        return list[key] === val && byType;
+      })[0];
+    },
+    updateFiltersUrl () {
+      history.pushState(null, null, `?${$.param(this.state.filters)}`);
+    }
+  };
+})();

app/assets/javascripts/boards/test_utils/simulate_drag.js

+(function () {
+	'use strict';
+
+	function simulateEvent(el, type, options) {
+		var event;
+		if (!el) return;
+		var ownerDocument = el.ownerDocument;
+
+		options = options || {};
+
+		if (/^mouse/.test(type)) {
+			event = ownerDocument.createEvent('MouseEvents');
+			event.initMouseEvent(type, true, true, ownerDocument.defaultView,
+				options.button, options.screenX, options.screenY, options.clientX, options.clientY,
+				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, el);
+		} else {
+			event = ownerDocument.createEvent('CustomEvent');
+
+			event.initCustomEvent(type, true, true, ownerDocument.defaultView,
+				options.button, options.screenX, options.screenY, options.clientX, options.clientY,
+				options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, el);
+
+			event.dataTransfer = {
+				data: {},
+
+				setData: function (type, val) {
+					this.data[type] = val;
+				},
+
+				getData: function (type) {
+					return this.data[type];
+				}
+			};
+		}
+
+		if (el.dispatchEvent) {
+			el.dispatchEvent(event);
+		} else if (el.fireEvent) {
+			el.fireEvent('on' + type, event);
+		}
+
+		return event;
+	}
+
+	function getTraget(target) {
+		var el = typeof target.el === 'string' ? document.getElementById(target.el.substr(1)) : target.el;
+		var children = el.children;
+
+		return (
+			children[target.index] ||
+			children[target.index === 'first' ? 0 : -1] ||
+			children[target.index === 'last' ? children.length - 1 : -1]
+		);
+	}
+
+	function getRect(el) {
+		var rect = el.getBoundingClientRect();
+		var width = rect.right - rect.left;
+		var height = rect.bottom - rect.top;
+
+		return {
+			x: rect.left,
+			y: rect.top,
+			cx: rect.left + width / 2,
+			cy: rect.top + height / 2,
+			w: width,
+			h: height,
+			hw: width / 2,
+			wh: height / 2
+		};
+	}
+
+	function simulateDrag(options, callback) {
+		options.to.el = options.to.el || options.from.el;
+
+		var fromEl = getTraget(options.from);
+		var toEl = getTraget(options.to);
+    var scrollable = options.scrollable;
+
+		var fromRect = getRect(fromEl);
+		var toRect = getRect(toEl);
+
+		var startTime = new Date().getTime();
+		var duration = options.duration || 1000;
+		simulateEvent(fromEl, 'mousedown', {button: 0});
+		options.ontap && options.ontap();
+		window.SIMULATE_DRAG_ACTIVE = 1;
+
+		var dragInterval = setInterval(function loop() {
+			var progress = (new Date().getTime() - startTime) / duration;
+			var x = (fromRect.cx + (toRect.cx - fromRect.cx) * progress) - scrollable.scrollLeft;
+			var y = (fromRect.cy + (toRect.cy - fromRect.cy) * progress) - scrollable.scrollTop;
+			var overEl = fromEl.ownerDocument.elementFromPoint(x, y);
+
+			simulateEvent(overEl, 'mousemove', {
+				clientX: x,
+				clientY: y
+			});
+
+			if (progress >= 1) {
+				options.ondragend && options.ondragend();
+				simulateEvent(toEl, 'mouseup');
+				clearInterval(dragInterval);
+				window.SIMULATE_DRAG_ACTIVE = 0;
+			}
+		}, 100);
+
+		return {
+			target: fromEl,
+			fromList: fromEl.parentNode,
+			toList: toEl.parentNode
+		};
+	}
+
+
+	// Export
+	window.simulateEvent = simulateEvent;
+	window.simulateDrag = simulateDrag;
+})();

app/assets/javascripts/boards/vue_resource_interceptor.js.es6

+Vue.http.interceptors.push((request, next)  => {
+  Vue.activeResources = Vue.activeResources ? Vue.activeResources + 1 : 1;
+
+  setTimeout(() => {
+    Vue.activeResources--;
+  }, 500);
+  next();
+});

app/assets/javascripts/build.js

@@ -6,19 +6,26 @@
 
     Build.state = null;
 
-    function Build(page_url, build_url, build_status, state1) {
-      this.page_url = page_url;
-      this.build_url = build_url;
-      this.build_status = build_status;
-      this.state = state1;
+    function Build(options) {
+      this.page_url = options.page_url;
+      this.build_url = options.build_url;
+      this.build_status = options.build_status;
+      this.state = options.state1;
+      this.build_stage = options.build_stage;
       this.hideSidebar = bind(this.hideSidebar, this);
       this.toggleSidebar = bind(this.toggleSidebar, this);
+      this.updateDropdown = bind(this.updateDropdown, this);
       clearInterval(Build.interval);
       this.bp = Breakpoints.get();
-      this.hideSidebar();
       $('.js-build-sidebar').niceScroll();
+
+      this.populateJobs(this.build_stage);
+      this.updateStageDropdownText(this.build_stage);
+      this.hideSidebar();
+
       $(document).off('click', '.js-sidebar-build-toggle').on('click', '.js-sidebar-build-toggle', this.toggleSidebar);
       $(window).off('resize.build').on('resize.build', this.hideSidebar);
+      $(document).off('click', '.stage-item').on('click', '.stage-item', this.updateDropdown);
       this.updateArtifactRemoveDate();
       if ($('#build-trace').length) {
         this.getInitialBuildTrace();
@@ -132,6 +139,22 @@
       }
     };
 
+    Build.prototype.populateJobs = function(stage) {
+      $('.build-job').hide();
+      $('.build-job[data-stage="' + stage + '"]').show();
+    };
+
+    Build.prototype.updateStageDropdownText = function(stage) {
+      $('.stage-selection').text(stage);
+    };
+
+    Build.prototype.updateDropdown = function(e) {
+      e.preventDefault();
+      var stage = e.currentTarget.text;
+      this.updateStageDropdownText(stage);
+      this.populateJobs(stage);
+    };
+
     return Build;
 
   })();

app/assets/javascripts/copy_to_clipboard.js

@@ -34,6 +34,7 @@
 
   $(function() {
     var clipboard;
+
     clipboard = new Clipboard('[data-clipboard-target], [data-clipboard-text]');
     clipboard.on('success', genericSuccess);
     return clipboard.on('error', genericError);

app/assets/javascripts/create_label.js.es6

+(function (w) {
+  class CreateLabelDropdown {
+    constructor ($el, projectId) {
+      this.$el = $el;
+      this.projectId = projectId;
+      this.$dropdownBack = $('.dropdown-menu-back', this.$el.closest('.dropdown'));
+      this.$cancelButton = $('.js-cancel-label-btn', this.$el);
+      this.$newLabelField = $('#new_label_name', this.$el);
+      this.$newColorField = $('#new_label_color', this.$el);
+      this.$colorPreview = $('.js-dropdown-label-color-preview', this.$el);
+      this.$newLabelError = $('.js-label-error', this.$el);
+      this.$newLabelCreateButton = $('.js-new-label-btn', this.$el);
+      this.$colorSuggestions = $('.suggest-colors-dropdown a', this.$el);
+
+      this.$newLabelError.hide();
+      this.$newLabelCreateButton.disable();
+
+      this.cleanBinding();
+      this.addBinding();
+    }
+
+    cleanBinding () {
+      this.$colorSuggestions.off('click');
+      this.$newLabelField.off('keyup change');
+      this.$newColorField.off('keyup change');
+      this.$dropdownBack.off('click');
+      this.$cancelButton.off('click');
+      this.$newLabelCreateButton.off('click');
+    }
+
+    addBinding () {
+      const self = this;
+
+      this.$colorSuggestions.on('click', function (e) {
+        const $this = $(this);
+        self.addColorValue(e, $this);
+      });
+
+      this.$newLabelField.on('keyup change', this.enableLabelCreateButton.bind(this));
+      this.$newColorField.on('keyup change', this.enableLabelCreateButton.bind(this));
+
+      this.$dropdownBack.on('click', this.resetForm.bind(this));
+
+      this.$cancelButton.on('click', function(e) {
+        e.preventDefault();
+        e.stopPropagation();
+
+        self.resetForm();
+        self.$dropdownBack.trigger('click');
+      });
+
+      this.$newLabelCreateButton.on('click', this.saveLabel.bind(this));
+    }
+
+    addColorValue (e, $this) {
+      e.preventDefault();
+      e.stopPropagation();
+
+      this.$newColorField.val($this.data('color')).trigger('change');
+      this.$colorPreview
+        .css('background-color', $this.data('color'))
+        .parent()
+        .addClass('is-active');
+    }
+
+    enableLabelCreateButton () {
+      if (this.$newLabelField.val() !== '' && this.$newColorField.val() !== '') {
+        this.$newLabelError.hide();
+        this.$newLabelCreateButton.enable();
+      } else {
+        this.$newLabelCreateButton.disable();
+      }
+    }
+
+    resetForm () {
+      this.$newLabelField
+        .val('')
+        .trigger('change');
+
+      this.$newColorField
+        .val('')
+        .trigger('change');
+
+      this.$colorPreview
+        .css('background-color', '')
+        .parent()
+        .removeClass('is-active');
+    }
+
+    saveLabel (e) {
+      e.preventDefault();
+      e.stopPropagation();
+
+      Api.newLabel(this.projectId, {
+        name: this.$newLabelField.val(),
+        color: this.$newColorField.val()
+      }, (label) => {
+        this.$newLabelCreateButton.enable();
+
+        if (label.message) {
+          let errors;
+
+          if (typeof label.message === 'string') {
+            errors = label.message;
+          } else {
+            errors = label.message.map(function (value, key) {
+              return key + " " + value[0];
+            }).join("<br/>");
+          }
+
+          this.$newLabelError
+            .html(errors)
+            .show();
+        } else {
+          this.$dropdownBack.trigger('click');
+        }
+      });
+    }
+  }
+
+  if (!w.gl) {
+    w.gl = {};
+  }
+
+  gl.CreateLabelDropdown = CreateLabelDropdown;
+})(window);

app/assets/javascripts/dispatcher.js

@@ -88,6 +88,8 @@
           new ZenMode();
           new MergedButtons();
           break;
+        case "projects:merge_requests:conflicts":
+          window.mcui = new MergeConflictResolver()
         case 'projects:merge_requests:index':
           shortcut_handler = new ShortcutsNavigation();
           Issuable.init();

app/assets/javascripts/labels_select.js

@@ -4,7 +4,7 @@
       var _this;
       _this = this;
       $('.js-label-select').each(function(i, dropdown) {
-        var $block, $colorPreview, $dropdown, $form, $loading, $newLabelCreateButton, $newLabelError, $selectbox, $sidebarCollapsedValue, $value, abilityName, defaultLabel, enableLabelCreateButton, issueURLSplit, issueUpdateURL, labelHTMLTemplate, labelNoneHTMLTemplate, labelUrl, newColorField, newLabelField, projectId, resetForm, saveLabel, saveLabelData, selectedLabel, showAny, showNo;
+        var $block, $colorPreview, $dropdown, $form, $loading, $selectbox, $sidebarCollapsedValue, $value, abilityName, defaultLabel, enableLabelCreateButton, issueURLSplit, issueUpdateURL, labelHTMLTemplate, labelNoneHTMLTemplate, labelUrl, projectId, saveLabelData, selectedLabel, showAny, showNo;
         $dropdown = $(dropdown);
         projectId = $dropdown.data('project-id');
         labelUrl = $dropdown.data('labels');
@@ -13,8 +13,6 @@
         if ((selectedLabel != null) && !$dropdown.hasClass('js-multiselect')) {
           selectedLabel = selectedLabel.split(',');
         }
-        newLabelField = $('#new_label_name');
-        newColorField = $('#new_label_color');
         showNo = $dropdown.data('show-no');
         showAny = $dropdown.data('show-any');
         defaultLabel = $dropdown.data('default-label');
@@ -24,10 +22,6 @@
         $form = $dropdown.closest('form');
         $sidebarCollapsedValue = $block.find('.sidebar-collapsed-icon span');
         $value = $block.find('.value');
-        $newLabelError = $('.js-label-error');
-        $colorPreview = $('.js-dropdown-label-color-preview');
-        $newLabelCreateButton = $('.js-new-label-btn');
-        $newLabelError.hide();
         $loading = $block.find('.block-loading').fadeOut();
         if (issueUpdateURL != null) {
           issueURLSplit = issueUpdateURL.split('/');
@@ -36,62 +30,9 @@
           labelHTMLTemplate = _.template('<% _.each(labels, function(label){ %> <a href="<%- ["",issueURLSplit[1], issueURLSplit[2],""].join("/") %>issues?label_name[]=<%- encodeURIComponent(label.title) %>"> <span class="label has-tooltip color-label" title="<%- label.description %>" style="background-color: <%- label.color %>; color: <%- label.text_color %>;"> <%- label.title %> </span> </a> <% }); %>');
           labelNoneHTMLTemplate = '<span class="no-value">None</span>';
         }
-        if (newLabelField.length) {
-          $('.suggest-colors-dropdown a').on("click", function(e) {
-            e.preventDefault();
-            e.stopPropagation();
-            newColorField.val($(this).data('color')).trigger('change');
-            return $colorPreview.css('background-color', $(this).data('color')).parent().addClass('is-active');
-          });
-          resetForm = function() {
-            newLabelField.val('').trigger('change');
-            newColorField.val('').trigger('change');
-            return $colorPreview.css('background-color', '').parent().removeClass('is-active');
-          };
-          $('.dropdown-menu-back').on('click', function() {
-            return resetForm();
-          });
-          $('.js-cancel-label-btn').on('click', function(e) {
-            e.preventDefault();
-            e.stopPropagation();
-            resetForm();
-            return $('.dropdown-menu-back', $dropdown.parent()).trigger('click');
-          });
-          enableLabelCreateButton = function() {
-            if (newLabelField.val() !== '' && newColorField.val() !== '') {
-              $newLabelError.hide();
-              return $newLabelCreateButton.enable();
-            } else {
-              return $newLabelCreateButton.disable();
-            }
-          };
-          saveLabel = function() {
-            return Api.newLabel(projectId, {
-              name: newLabelField.val(),
-              color: newColorField.val()
-            }, function(label) {
-              $newLabelCreateButton.enable();
-              if (label.message != null) {
-                var errorText = label.message;
-                if (_.isObject(label.message)) {
-                  errorText = _.map(label.message, function(value, key) {
-                    return key + " " + value[0];
-                  }).join('<br/>');
-                }
-                return $newLabelError.html(errorText).show();
-              } else {
-                return $('.dropdown-menu-back', $dropdown.parent()).trigger('click');
-              }
-            });
-          };
-          newLabelField.on('keyup change', enableLabelCreateButton);
-          newColorField.on('keyup change', enableLabelCreateButton);
-          $newLabelCreateButton.disable().on('click', function(e) {
-            e.preventDefault();
-            e.stopPropagation();
-            return saveLabel();
-          });
-        }
+
+        new gl.CreateLabelDropdown($dropdown.closest('.dropdown').find('.dropdown-new-label'), projectId);
+
         saveLabelData = function() {
           var data, selected;
           selected = $dropdown.closest('.selectbox').find("input[name='" + ($dropdown.data('field-name')) + "']").map(function() {
@@ -272,6 +213,9 @@
             isMRIndex = page === 'projects:merge_requests:index';
             $selectbox.hide();
             $value.removeAttr('style');
+            if (page === 'projects:boards:show') {
+              return;
+            }
             if ($dropdown.hasClass('js-multiselect')) {
               if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
                 selectedLabels = $dropdown.closest('form').find("input:hidden[name='" + ($dropdown.data('fieldName')) + "']");
@@ -291,7 +235,7 @@
             }
           },
           multiSelect: $dropdown.hasClass('js-multiselect'),
-          clicked: function(label) {
+          clicked: function(label, $el, e) {
             var isIssueIndex, isMRIndex, page;
             _this.enableBulkLabelDropdown();
             if ($dropdown.hasClass('js-filter-bulk-update')) {
@@ -300,7 +244,23 @@
             page = $('body').data('page');
             isIssueIndex = page === 'projects:issues:index';
             isMRIndex = page === 'projects:merge_requests:index';
-            if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
+            if (page === 'projects:boards:show') {
+              if (label.isAny) {
+                gl.issueBoards.BoardsStore.state.filters['label_name'] = [];
+              } else if (label.title) {
+                gl.issueBoards.BoardsStore.state.filters['label_name'].push(label.title);
+              } else {
+                var filters = gl.issueBoards.BoardsStore.state.filters['label_name'];
+                filters = filters.filter(function (label) {
+                  return label !== $el.text().trim();
+                });
+                gl.issueBoards.BoardsStore.state.filters['label_name'] = filters;
+              }
+
+              gl.issueBoards.BoardsStore.updateFiltersUrl();
+              e.preventDefault();
+              return;
+            } else if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
               if (!$dropdown.hasClass('js-multiselect')) {
                 selectedLabel = label.title;
                 return Issuable.filterResults($dropdown.closest('form'));

app/assets/javascripts/merge_conflict_data_provider.js.es6

+const HEAD_HEADER_TEXT    = 'HEAD//our changes';
+const ORIGIN_HEADER_TEXT  = 'origin//their changes';
+const HEAD_BUTTON_TITLE   = 'Use ours';
+const ORIGIN_BUTTON_TITLE = 'Use theirs';
+
+
+class MergeConflictDataProvider {
+
+  getInitialData() {
+    const diffViewType = $.cookie('diff_view');
+
+    return {
+      isLoading      : true,
+      hasError       : false,
+      isParallel     : diffViewType === 'parallel',
+      diffViewType   : diffViewType,
+      isSubmitting   : false,
+      conflictsData  : {},
+      resolutionData : {}
+    }
+  }
+
+
+  decorateData(vueInstance, data) {
+    this.vueInstance = vueInstance;
+
+    if (data.type === 'error') {
+      vueInstance.hasError = true;
+      data.errorMessage = data.message;
+    }
+    else {
+      data.shortCommitSha = data.commit_sha.slice(0, 7);
+      data.commitMessage  = data.commit_message;
+
+      this.setParallelLines(data);
+      this.setInlineLines(data);
+      this.updateResolutionsData(data);
+    }
+
+    vueInstance.conflictsData = data;
+    vueInstance.isSubmitting = false;
+
+    const conflictsText = this.getConflictsCount() > 1 ? 'conflicts' : 'conflict';
+    vueInstance.conflictsData.conflictsText = conflictsText;
+  }
+
+
+  updateResolutionsData(data) {
+    const vi = this.vueInstance;
+
+    data.files.forEach( (file) => {
+      file.sections.forEach( (section) => {
+        if (section.conflict) {
+          vi.$set(`resolutionData['${section.id}']`, false);
+        }
+      });
+    });
+  }
+
+
+  setParallelLines(data) {
+    data.files.forEach( (file) => {
+      file.filePath  = this.getFilePath(file);
+      file.iconClass = `fa-${file.blob_icon}`;
+      file.blobPath  = file.blob_path;
+      file.parallelLines = [];
+      const linesObj = { left: [], right: [] };
+
+      file.sections.forEach( (section) => {
+        const { conflict, lines, id } = section;
+
+        if (conflict) {
+          linesObj.left.push(this.getOriginHeaderLine(id));
+          linesObj.right.push(this.getHeadHeaderLine(id));
+        }
+
+        lines.forEach( (line) => {
+          const { type } = line;
+
+          if (conflict) {
+            if (type === 'old') {
+              linesObj.left.push(this.getLineForParallelView(line, id, 'conflict'));
+            }
+            else if (type === 'new') {
+              linesObj.right.push(this.getLineForParallelView(line, id, 'conflict', true));
+            }
+          }
+          else {
+            const lineType = type || 'context';
+
+            linesObj.left.push (this.getLineForParallelView(line, id, lineType));
+            linesObj.right.push(this.getLineForParallelView(line, id, lineType, true));
+          }
+        });
+
+        this.checkLineLengths(linesObj);
+      });
+
+      for (let i = 0, len = linesObj.left.length; i < len; i++) {
+        file.parallelLines.push([
+          linesObj.right[i],
+          linesObj.left[i]
+        ]);
+      }
+
+    });
+  }
+
+
+  checkLineLengths(linesObj) {
+    let { left, right } = linesObj;
+
+    if (left.length !== right.length) {
+      if (left.length > right.length) {
+        const diff = left.length - right.length;
+        for (let i = 0; i < diff; i++) {
+          right.push({ lineType: 'emptyLine', richText: '' });
+        }
+      }
+      else {
+        const diff = right.length - left.length;
+        for (let i = 0; i < diff; i++) {
+          left.push({ lineType: 'emptyLine', richText: '' });
+        }
+      }
+    }
+  }
+
+
+  setInlineLines(data) {
+    data.files.forEach( (file) => {
+      file.iconClass   = `fa-${file.blob_icon}`;
+      file.blobPath    = file.blob_path;
+      file.filePath    = this.getFilePath(file);
+      file.inlineLines = []
+
+      file.sections.forEach( (section) => {
+        let currentLineType = 'new';
+        const { conflict, lines, id } = section;
+
+        if (conflict) {
+          file.inlineLines.push(this.getHeadHeaderLine(id));
+        }
+
+        lines.forEach( (line) => {
+          const { type } = line;
+
+          if ((type === 'new' || type === 'old') && currentLineType !== type) {
+            currentLineType = type;
+            file.inlineLines.push({ lineType: 'emptyLine', richText: '' });
+          }
+
+          this.decorateLineForInlineView(line, id, conflict);
+          file.inlineLines.push(line);
+        })
+
+        if (conflict) {
+          file.inlineLines.push(this.getOriginHeaderLine(id));
+        }
+      });
+    });
+  }
+
+
+  handleSelected(sectionId, selection) {
+    const vi = this.vueInstance;
+
+    vi.resolutionData[sectionId] = selection;
+    vi.conflictsData.files.forEach( (file) => {
+      file.inlineLines.forEach( (line) => {
+        if (line.id === sectionId && (line.hasConflict || line.isHeader)) {
+          this.markLine(line, selection);
+        }
+      });
+
+      file.parallelLines.forEach( (lines) => {
+        const left         = lines[0];
+        const right        = lines[1];
+        const hasSameId    = right.id === sectionId || left.id === sectionId;
+        const isLeftMatch  = left.hasConflict || left.isHeader;
+        const isRightMatch = right.hasConflict || right.isHeader;
+
+        if (hasSameId && (isLeftMatch || isRightMatch)) {
+          this.markLine(left, selection);
+          this.markLine(right, selection);
+        }
+      })
+    });
+  }
+
+
+  updateViewType(newType) {
+    const vi = this.vueInstance;
+
+    if (newType === vi.diffView || !(newType === 'parallel' || newType === 'inline')) {
+      return;
+    }
+
+    vi.diffView   = newType;
+    vi.isParallel = newType === 'parallel';
+    $.cookie('diff_view', newType); // TODO: Make sure that cookie path added.
+    $('.content-wrapper .container-fluid').toggleClass('container-limited');
+  }
+
+
+  markLine(line, selection) {
+    if (selection === 'head' && line.isHead) {
+      line.isSelected   = true;
+      line.isUnselected = false;
+    }
+    else if (selection === 'origin' && line.isOrigin) {
+      line.isSelected   = true;
+      line.isUnselected = false;
+    }
+    else {
+      line.isSelected   = false;
+      line.isUnselected = true;
+    }
+  }
+
+
+  getConflictsCount() {
+    return Object.keys(this.vueInstance.resolutionData).length;
+  }
+
+
+  getResolvedCount() {
+    let  count = 0;
+    const data = this.vueInstance.resolutionData;
+
+    for (const id in data) {
+      const resolution = data[id];
+      if (resolution) {
+        count++;
+      }
+    }
+
+    return count;
+  }
+
+
+  isReadyToCommit() {
+    const { conflictsData, isSubmitting } = this.vueInstance
+    const allResolved = this.getConflictsCount() === this.getResolvedCount();
+    const hasCommitMessage = $.trim(conflictsData.commitMessage).length;
+
+    return !isSubmitting && hasCommitMessage && allResolved;
+  }
+
+
+  getCommitButtonText() {
+    const initial = 'Commit conflict resolution';
+    const inProgress = 'Committing...';
+    const vue = this.vueInstance;
+
+    return vue ? vue.isSubmitting ? inProgress : initial : initial;
+  }
+
+
+  decorateLineForInlineView(line, id, conflict) {
+    const { type }    = line;
+    line.id           = id;
+    line.hasConflict  = conflict;
+    line.isHead       = type === 'new';
+    line.isOrigin     = type === 'old';
+    line.hasMatch     = type === 'match';
+    line.richText     = line.rich_text;
+    line.isSelected   = false;
+    line.isUnselected = false;
+  }
+
+  getLineForParallelView(line, id, lineType, isHead) {
+    const { old_line, new_line, rich_text } = line;
+    const hasConflict = lineType === 'conflict';
+
+    return {
+      id,
+      lineType,
+      hasConflict,
+      isHead       : hasConflict && isHead,
+      isOrigin     : hasConflict && !isHead,
+      hasMatch     : lineType === 'match',
+      lineNumber   : isHead ? new_line : old_line,
+      section      : isHead ? 'head' : 'origin',
+      richText     : rich_text,
+      isSelected   : false,
+      isUnselected : false
+    }
+  }
+
+
+  getHeadHeaderLine(id) {
+    return {
+      id          : id,
+      richText    : HEAD_HEADER_TEXT,
+      buttonTitle : HEAD_BUTTON_TITLE,
+      type        : 'new',
+      section     : 'head',
+      isHeader    : true,
+      isHead      : true,
+      isSelected  : false,
+      isUnselected: false
+    }
+  }
+
+
+  getOriginHeaderLine(id) {
+    return {
+      id          : id,
+      richText    : ORIGIN_HEADER_TEXT,
+      buttonTitle : ORIGIN_BUTTON_TITLE,
+      type        : 'old',
+      section     : 'origin',
+      isHeader    : true,
+      isOrigin    : true,
+      isSelected  : false,
+      isUnselected: false
+    }
+  }
+
+
+  handleFailedRequest(vueInstance, data) {
+    vueInstance.hasError = true;
+    vueInstance.conflictsData.errorMessage = 'Something went wrong!';
+  }
+
+
+  getCommitData() {
+    return {
+      commit_message: this.vueInstance.conflictsData.commitMessage,
+      sections: this.vueInstance.resolutionData
+    }
+  }
+
+
+  getFilePath(file) {
+    const { old_path, new_path } = file;
+    return old_path === new_path ? new_path : `${old_path} → ${new_path}`;
+  }
+
+}

app/assets/javascripts/merge_conflict_resolver.js.es6

+//= require vue
+
+class MergeConflictResolver {
+
+  constructor() {
+    this.dataProvider = new MergeConflictDataProvider()
+    this.initVue()
+  }
+
+
+  initVue() {
+    const that = this;
+    this.vue   = new Vue({
+      el       : '#conflicts',
+      name     : 'MergeConflictResolver',
+      data     : this.dataProvider.getInitialData(),
+      created  : this.fetchData(),
+      computed : this.setComputedProperties(),
+      methods  : {
+        handleSelected(sectionId, selection) {
+          that.dataProvider.handleSelected(sectionId, selection);
+        },
+        handleViewTypeChange(newType) {
+          that.dataProvider.updateViewType(newType);
+        },
+        commit() {
+          that.commit();
+        }
+      }
+    })
+  }
+
+
+  setComputedProperties() {
+    const dp = this.dataProvider;
+
+    return {
+      conflictsCount() { return dp.getConflictsCount() },
+      resolvedCount() { return dp.getResolvedCount() },
+      readyToCommit() { return dp.isReadyToCommit() },
+      commitButtonText() { return dp.getCommitButtonText() }
+    }
+  }
+
+
+  fetchData() {
+    const dp = this.dataProvider;
+
+    $.get($('#conflicts').data('conflictsPath'))
+      .done((data) => {
+        dp.decorateData(this.vue, data);
+      })
+      .error((data) => {
+        dp.handleFailedRequest(this.vue, data);
+      })
+      .always(() => {
+        this.vue.isLoading = false;
+
+        this.vue.$nextTick(() => {
+          $('#conflicts .js-syntax-highlight').syntaxHighlight();
+        });
+
+        if (this.vue.diffViewType === 'parallel') {
+          $('.content-wrapper .container-fluid').removeClass('container-limited');
+        }
+      })
+  }
+
+
+  commit() {
+    this.vue.isSubmitting = true;
+
+    $.post($('#conflicts').data('resolveConflictsPath'), this.dataProvider.getCommitData())
+      .done((data) => {
+        window.location.href = data.redirect_to;
+      })
+      .error(() => {
+        new Flash('Something went wrong!');
+      })
+      .always(() => {
+        this.vue.isSubmitting = false;
+      });
+  }
+
+}

app/assets/javascripts/merge_request_tabs.js

@@ -9,6 +9,8 @@
 
     MergeRequestTabs.prototype.buildsLoaded = false;
 
+    MergeRequestTabs.prototype.pipelinesLoaded = false;
+
     MergeRequestTabs.prototype.commitsLoaded = false;
 
     function MergeRequestTabs(opts) {
@@ -50,6 +52,9 @@
       } else if (action === 'builds') {
         this.loadBuilds($target.attr('href'));
         this.expandView();
+      } else if (action === 'pipelines') {
+        this.loadPipelines($target.attr('href'));
+        this.expandView();
       } else {
         this.expandView();
       }
@@ -81,7 +86,7 @@
       if (action === 'show') {
         action = 'notes';
       }
-      new_state = this._location.pathname.replace(/\/(commits|diffs|builds)(\.html)?\/?$/, '');
+      new_state = this._location.pathname.replace(/\/(commits|diffs|builds|pipelines)(\.html)?\/?$/, '');
       if (action !== 'notes') {
         new_state += "/" + action;
       }
@@ -177,6 +182,21 @@
       });
     };
 
+    MergeRequestTabs.prototype.loadPipelines = function(source) {
+      if (this.pipelinesLoaded) {
+        return;
+      }
+      return this._get({
+        url: source + ".json",
+        success: function(data) {
+          $('#pipelines').html(data.html);
+          gl.utils.localTimeAgo($('.js-timeago', '#pipelines'));
+          this.pipelinesLoaded = true;
+          return this.scrollToElement("#pipelines");
+        }.bind(this)
+      });
+    };
+
     MergeRequestTabs.prototype.toggleLoading = function(status) {
       return $('.mr-loading-status .loading').toggle(status);
     };

app/assets/javascripts/merge_request_widget.js

@@ -28,7 +28,7 @@
 
     MergeRequestWidget.prototype.addEventListeners = function() {
       var allowedPages;
-      allowedPages = ['show', 'commits', 'builds', 'changes'];
+      allowedPages = ['show', 'commits', 'builds', 'pipelines', 'changes'];
       return $(document).on('page:change.merge_request', (function(_this) {
         return function() {
           var page;
@@ -53,7 +53,7 @@
           return function(data) {
             var callback, urlSuffix;
             if (data.state === "merged") {
-              urlSuffix = deleteSourceBranch ? '?delete_source=true' : '';
+              urlSuffix = deleteSourceBranch ? '?deleted_source_branch=true' : '';
               return window.location.href = window.location.pathname + urlSuffix;
             } else if (data.merge_error) {
               return $('.mr-widget-body').html("<h4>" + data.merge_error + "</h4>");

app/assets/javascripts/milestone_select.js

@@ -94,7 +94,7 @@
             $selectbox.hide();
             return $value.css('display', '');
           },
-          clicked: function(selected) {
+          clicked: function(selected, $el, e) {
             var data, isIssueIndex, isMRIndex, page;
             page = $('body').data('page');
             isIssueIndex = page === 'projects:issues:index';
@@ -102,7 +102,11 @@
             if ($dropdown.hasClass('js-filter-bulk-update')) {
               return;
             }
-            if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
+            if (page === 'projects:boards:show') {
+              gl.issueBoards.BoardsStore.state.filters[$dropdown.data('field-name')] = selected.name;
+              gl.issueBoards.BoardsStore.updateFiltersUrl();
+              e.preventDefault();
+            } else if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
               if (selected.name != null) {
                 selectedMilestone = selected.name;
               } else {

app/assets/javascripts/pipeline.js.es6

+(function() {
+  function toggleGraph() {
+    const $pipelineBtn = $(this).closest('.toggle-pipeline-btn');
+    const $pipelineGraph = $(this).closest('.row-content-block').next('.pipeline-graph');
+    const $btnText = $(this).find('.toggle-btn-text');
+
+    $($pipelineBtn).add($pipelineGraph).toggleClass('graph-collapsed');
+
+    const graphCollapsed = $pipelineGraph.hasClass('graph-collapsed');
+
+    graphCollapsed ? $btnText.text('Expand') : $btnText.text('Hide')
+  }
+
+  $(document).on('click', '.toggle-pipeline-btn', toggleGraph);
+})();

app/assets/javascripts/users_select.js

@@ -141,7 +141,7 @@
               $selectbox.hide();
               return $value.css('display', '');
             },
-            clicked: function(user) {
+            clicked: function(user, $el, e) {
               var isIssueIndex, isMRIndex, page, selected;
               page = $('body').data('page');
               isIssueIndex = page === 'projects:issues:index';
@@ -149,7 +149,12 @@
               if ($dropdown.hasClass('js-filter-bulk-update')) {
                 return;
               }
-              if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
+              if (page === 'projects:boards:show') {
+                selectedId = user.id;
+                gl.issueBoards.BoardsStore.state.filters[$dropdown.data('field-name')] = user.id;
+                gl.issueBoards.BoardsStore.updateFiltersUrl();
+                e.preventDefault();
+              } else if ($dropdown.hasClass('js-filter-submit') && (isIssueIndex || isMRIndex)) {
                 selectedId = user.id;
                 return Issuable.filterResults($dropdown.closest('form'));
               } else if ($dropdown.hasClass('js-filter-submit')) {

app/assets/stylesheets/behaviors.scss

@@ -20,3 +20,8 @@
     .turn-off { display: block; }
   }
 }
+
+
+[v-cloak] {
+  display: none;
+}

app/assets/stylesheets/framework/buttons.scss

@@ -204,6 +204,10 @@
     position: relative;
     top: 2px;
   }
+
+  svg, .fa {
+    margin-right: 3px;
+  }
 }
 
 .btn-lg {

app/assets/stylesheets/framework/mixins.scss

@@ -124,3 +124,8 @@
     }
   }
 }
+
+@mixin dark-diff-match-line {
+  color: rgba(255, 255, 255, 0.3);
+  background: rgba(255, 255, 255, 0.1);
+}

app/assets/stylesheets/framework/sidebar.scss

@@ -222,3 +222,7 @@ header.header-pinned-nav {
     padding-right: $sidebar_collapsed_width;
   }
 }
+
+.right-sidebar {
+  border-left: 1px solid $border-color;
+}

app/assets/stylesheets/framework/variables.scss

@@ -276,3 +276,5 @@ $personal-access-tokens-disabled-label-color: #bbb;
 
 $ci-output-bg: #1d1f21;
 $ci-text-color: #c5c8c6;
+
+$issue-boards-font-size: 15px;

app/assets/stylesheets/highlight/dark.scss

@@ -21,6 +21,10 @@
 
   // Diff line
   .line_holder {
+    &.match .line_content {
+      @include dark-diff-match-line;
+    }
+
     td.diff-line-num.hll:not(.empty-cell),
     td.line_content.hll:not(.empty-cell) {
       background-color: #557;
@@ -36,8 +40,7 @@
     }
 
     .line_content.match {
-      color: rgba(255, 255, 255, 0.3);
-      background: rgba(255, 255, 255, 0.1);
+      @include dark-diff-match-line;
     }
   }
 

app/assets/stylesheets/highlight/monokai.scss

@@ -21,6 +21,10 @@
 
   // Diff line
   .line_holder {
+    &.match .line_content {
+      @include dark-diff-match-line;
+    }
+
     td.diff-line-num.hll:not(.empty-cell),
     td.line_content.hll:not(.empty-cell) {
       background-color: #49483e;
@@ -36,8 +40,7 @@
     }
 
     .line_content.match {
-      color: rgba(255, 255, 255, 0.3);
-      background: rgba(255, 255, 255, 0.1);
+      @include dark-diff-match-line;
     }
   }
 

app/assets/stylesheets/highlight/solarized_dark.scss

@@ -21,6 +21,10 @@
 
   // Diff line
   .line_holder {
+    &.match .line_content {
+      @include dark-diff-match-line;
+    }
+
     td.diff-line-num.hll:not(.empty-cell),
     td.line_content.hll:not(.empty-cell) {
       background-color: #174652;
@@ -36,8 +40,7 @@
     }
 
     .line_content.match {
-      color: rgba(255, 255, 255, 0.3);
-      background: rgba(255, 255, 255, 0.1);
+      @include dark-diff-match-line;
     }
   }
 

app/assets/stylesheets/highlight/solarized_light.scss

 /* https://gist.github.com/qguv/7936275 */
+
+@mixin matchLine {
+  color: $black-transparent;
+  background: rgba(255, 255, 255, 0.4);
+}
+
 .code.solarized-light {
   // Line numbers
   .line-numbers, .diff-line-num {
@@ -21,6 +27,10 @@
 
   // Diff line
   .line_holder {
+    &.match .line_content {
+      @include matchLine;
+    }
+
     td.diff-line-num.hll:not(.empty-cell),
     td.line_content.hll:not(.empty-cell) {
       background-color: #ddd8c5;
@@ -36,8 +46,7 @@
     }
 
     .line_content.match {
-      color: $black-transparent;
-      background: rgba(255, 255, 255, 0.4);
+      @include matchLine;
     }
   }
 

app/assets/stylesheets/highlight/white.scss

 /* https://github.com/aahan/pygments-github-style */
+
+@mixin matchLine {
+  color: $black-transparent;
+  background-color: $match-line;
+}
+
 .code.white {
   // Line numbers
   .line-numbers, .diff-line-num {
@@ -22,6 +28,10 @@
   // Diff line
   .line_holder {
 
+    &.match .line_content {
+      @include matchLine;
+    }
+
     .diff-line-num {
       &.old {
         background-color: $line-number-old;
@@ -57,8 +67,7 @@
       }
 
       &.match {
-        color: $black-transparent;
-        background-color: $match-line;
+        @include matchLine;
       }
 
       &.hll:not(.empty-cell) {

app/assets/stylesheets/pages/boards.scss

+[v-cloak] {
+  display: none;
+}
+
+.user-can-drag {
+  cursor: -webkit-grab;
+  cursor: grab;
+}
+
+.is-dragging {
+  * {
+    cursor: -webkit-grabbing;
+    cursor: grabbing;
+  }
+}
+
+.dropdown-menu-issues-board-new {
+  width: 320px;
+
+  .dropdown-content {
+    max-height: 150px;
+	}
+}
+
+.issue-board-dropdown-content {
+  margin: 0 8px 10px;
+  padding-bottom: 10px;
+  border-bottom: 1px solid $dropdown-divider-color;
+
+  > p {
+    margin: 0;
+    font-size: 14px;
+    color: #9c9c9c;
+  }
+}
+
+.issue-boards-page {
+  .content-wrapper {
+    display: -webkit-flex;
+    display: flex;
+    -webkit-flex-direction: column;
+    flex-direction: column;
+  }
+
+  .sub-nav,
+  .issues-filters {
+    -webkit-flex: none;
+    flex: none;
+  }
+
+  .page-with-sidebar {
+    display: -webkit-flex;
+    display: flex;
+    min-height: 100vh;
+    max-height: 100vh;
+    padding-bottom: 0;
+  }
+
+  .issue-boards-content {
+    display: -webkit-flex;
+    display: flex;
+    -webkit-flex: 1;
+    flex: 1;
+    width: 100%;
+
+    .content {
+      display: -webkit-flex;
+      display: flex;
+      -webkit-flex-direction: column;
+      flex-direction: column;
+      width: 100%;
+    }
+  }
+}
+
+.boards-app-loading {
+  width: 100%;
+  font-size: 34px;
+}
+
+.boards-list {
+  display: -webkit-flex;
+  display: flex;
+  -webkit-flex: 1;
+  flex: 1;
+  -webkit-flex-basis: 0;
+  flex-basis: 0;
+  min-height: calc(100vh - 152px);
+  max-height: calc(100vh - 152px);
+  padding-top: 25px;
+  padding-right: ($gl-padding / 2);
+  padding-left: ($gl-padding / 2);
+  overflow-x: scroll;
+
+  @media (min-width: $screen-sm-min) {
+    min-height: 475px;
+    max-height: none;
+  }
+}
+
+.board {
+  display: -webkit-flex;
+  display: flex;
+  min-width: calc(100vw - 15px);
+  max-width: calc(100vw - 15px);
+  margin-bottom: 25px;
+  padding-right: ($gl-padding / 2);
+  padding-left: ($gl-padding / 2);
+
+  @media (min-width: $screen-sm-min) {
+    min-width: 400px;
+    max-width: 400px;
+  }
+}
+
+.board-inner {
+  display: -webkit-flex;
+  display: flex;
+  -webkit-flex-direction: column;
+  flex-direction: column;
+  width: 100%;
+  font-size: $issue-boards-font-size;
+  background: $background-color;
+  border: 1px solid $border-color;
+  border-radius: $border-radius-default;
+}
+
+.board-header {
+  border-top-left-radius: $border-radius-default;
+  border-top-right-radius: $border-radius-default;
+
+  &.has-border {
+    border-top: 3px solid;
+
+    .board-title {
+      padding-top: ($gl-padding - 3px);
+    }
+  }
+}
+
+.board-header-loading-spinner {
+  margin-right: 10px;
+  color: $gray-darkest;
+}
+
+.board-inner-container {
+  border-bottom: 1px solid $border-color;
+  padding: $gl-padding;
+}
+
+.board-title {
+  position: relative;
+  margin: 0;
+  padding: $gl-padding;
+  font-size: 1em;
+  border-bottom: 1px solid $border-color;
+
+  .board-mobile-handle {
+    position: relative;
+    left: 0;
+    top: 1px;
+    margin-top: 0;
+    margin-right: 5px;
+  }
+}
+
+.board-search-container {
+  position: relative;
+  background-color: #fff;
+
+  .form-control {
+    padding-right: 30px;
+  }
+}
+
+.board-search-icon,
+.board-search-clear-btn {
+  position: absolute;
+  right: $gl-padding + 10px;
+  top: 50%;
+  margin-top: -7px;
+  font-size: 14px;
+}
+
+.board-search-icon {
+  color: $gl-placeholder-color;
+}
+
+.board-search-clear-btn {
+  padding: 0;
+  line-height: 1;
+  background: transparent;
+  border: 0;
+  outline: 0;
+
+  &:hover {
+    color: $gl-link-color;
+  }
+}
+
+.board-delete {
+  margin-right: 10px;
+  padding: 0;
+  color: $gray-darkest;
+  background-color: transparent;
+  border: 0;
+  outline: 0;
+
+  &:hover {
+    color: $gl-link-color;
+  }
+}
+
+.board-blank-state {
+  height: 100%;
+  padding: $gl-padding;
+  background-color: #fff;
+}
+
+.board-blank-state-list {
+  list-style: none;
+
+  > li:not(:last-child) {
+    margin-bottom: 8px;
+  }
+
+  .label-color {
+    position: relative;
+    top: 2px;
+    display: inline-block;
+    width: 16px;
+    height: 16px;
+    margin-right: 3px;
+    border-radius: $border-radius-default;
+  }
+}
+
+.board-list {
+  -webkit-flex: 1;
+  flex: 1;
+  height: 400px;
+  margin-bottom: 0;
+  padding: 5px;
+  overflow-y: scroll;
+  overflow-x: hidden;
+}
+
+.board-list-loading {
+  margin-top: 10px;
+  font-size: 26px;
+}
+
+.is-ghost {
+  opacity: 0.3;
+}
+
+.is-dragging {
+  // Important because plugin sets inline CSS
+  opacity: 1!important;
+}
+
+.card {
+  position: relative;
+  width: 100%;
+  padding: 10px $gl-padding;
+  background: #fff;
+  border-radius: $border-radius-default;
+  box-shadow: 0 1px 2px rgba(186, 186, 186, 0.5);
+  list-style: none;
+
+  &.user-can-drag {
+    padding-left: ($gl-padding * 2);
+
+    @media (min-width: $screen-sm-min) {
+      padding-left: $gl-padding;
+    }
+  }
+
+  &:not(:last-child) {
+    margin-bottom: 5px;
+  }
+
+  a {
+    cursor: pointer;
+  }
+
+  .label {
+    border: 0;
+    outline: 0;
+  }
+
+  .confidential-icon {
+    margin-right: 5px;
+  }
+}
+
+.board-mobile-handle {
+  position: absolute;
+  left: 10px;
+  top: 50%;
+  margin-top: (-15px / 2);
+
+  @media (min-width: $screen-sm-min) {
+    display: none;
+  }
+}
+
+.card-title {
+  margin: 0;
+  font-size: 1em;
+
+  a {
+    color: inherit;
+  }
+}
+
+.card-footer {
+  margin-top: 5px;
+
+  .label {
+    margin-right: 4px;
+    font-size: (14px / $issue-boards-font-size) * 1em;
+  }
+}
+
+.card-number {
+  margin-right: 8px;
+  font-weight: 500;
+}

app/assets/stylesheets/pages/builds.scss

@@ -53,14 +53,6 @@
       left: 70px;
     }
   }
-
-  .nav-links {
-    svg {
-      position: relative;
-      top: 2px;
-      margin-right: 3px;
-    }
-  }
 }
 
 .build-header {
@@ -108,24 +100,98 @@
 }
 
 .right-sidebar.build-sidebar {
-  padding-top: $gl-padding;
-  padding-bottom: $gl-padding;
+  padding: $gl-padding 0;
 
   &.right-sidebar-collapsed {
     display: none;
   }
 
+  .blocks-container {
+    padding: $gl-padding;
+  }
+
   .block {
     width: 100%;
   }
 
   .build-sidebar-header {
-    padding-top: 0;
+    padding: 0 $gl-padding $gl-padding;
 
     .gutter-toggle {
       margin-top: 0;
     }
   }
+
+  .stage-item {
+    cursor: pointer;
+
+    &:hover {
+      color: $gl-text-color;
+    }
+  }
+
+  .build-dropdown {
+    padding: 0 $gl-padding;
+
+    .dropdown-menu-toggle {
+      margin-top: 8px;
+    }
+
+    .dropdown-menu {
+      right: $gl-padding;
+      left: $gl-padding;
+      width: auto;
+    }
+  }
+
+  .builds-container {
+    margin-top: $gl-padding;
+    background-color: $white-light;
+    border-top: 1px solid $border-color;
+    border-bottom: 1px solid $border-color;
+    max-height: 300px;
+    overflow: scroll;
+
+    svg {
+      position: relative;
+      top: 2px;
+      margin-right: 3px;
+      height: 13px;
+    }
+
+    a {
+      display: block;
+      padding: $gl-padding 10px $gl-padding 40px;
+      width: 270px;
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+
+      &:hover {
+        background-color: $row-hover;
+        color: $gl-text-color;
+      }
+    }
+
+    .build-job {
+      position: relative;
+
+      .fa {
+        position: absolute;
+        left: 15px;
+        top: 20px;
+        display: none;
+      }
+
+      &.active {
+        font-weight: bold;
+
+        .fa {
+          display: block;
+        }
+      }
+    }
+  }
 }
 
 .build-detail-row {

app/assets/stylesheets/pages/merge_conflicts.scss

+$colors: (
+  white_header_head_neutral   : #e1fad7,
+  white_line_head_neutral     : #effdec,
+  white_button_head_neutral   : #9adb84,
+
+  white_header_head_chosen    : #baf0a8,
+  white_line_head_chosen      : #e1fad7,
+  white_button_head_chosen    : #52c22d,
+
+  white_header_origin_neutral : #e0f0ff,
+  white_line_origin_neutral   : #f2f9ff,
+  white_button_origin_neutral : #87c2fa,
+
+  white_header_origin_chosen  : #add8ff,
+  white_line_origin_chosen    : #e0f0ff,
+  white_button_origin_chosen  : #268ced,
+
+  white_header_not_chosen     : #f0f0f0,
+  white_line_not_chosen       : #f9f9f9,
+
+
+  dark_header_head_neutral   : rgba(#3f3, .2),
+  dark_line_head_neutral     : rgba(#3f3, .1),
+  dark_button_head_neutral   : #40874f,
+
+  dark_header_head_chosen    : rgba(#3f3, .33),
+  dark_line_head_chosen      : rgba(#3f3, .2),
+  dark_button_head_chosen    : #258537,
+
+  dark_header_origin_neutral : rgba(#2878c9, .4),
+  dark_line_origin_neutral   : rgba(#2878c9, .3),
+  dark_button_origin_neutral : #2a5c8c,
+
+  dark_header_origin_chosen  : rgba(#2878c9, .6),
+  dark_line_origin_chosen    : rgba(#2878c9, .4),
+  dark_button_origin_chosen  : #1d6cbf,
+
+  dark_header_not_chosen     : rgba(#fff, .25),
+  dark_line_not_chosen       : rgba(#fff, .1),
+
+
+  monokai_header_head_neutral   : rgba(#a6e22e, .25),
+  monokai_line_head_neutral     : rgba(#a6e22e, .1),
+  monokai_button_head_neutral   : #376b20,
+
+  monokai_header_head_chosen    : rgba(#a6e22e, .4),
+  monokai_line_head_chosen      : rgba(#a6e22e, .25),
+  monokai_button_head_chosen    : #39800d,
+
+  monokai_header_origin_neutral : rgba(#60d9f1, .35),
+  monokai_line_origin_neutral   : rgba(#60d9f1, .15),
+  monokai_button_origin_neutral : #38848c,
+
+  monokai_header_origin_chosen  : rgba(#60d9f1, .5),
+  monokai_line_origin_chosen    : rgba(#60d9f1, .35),
+  monokai_button_origin_chosen  : #3ea4b2,
+
+  monokai_header_not_chosen     : rgba(#76715d, .24),
+  monokai_line_not_chosen       : rgba(#76715d, .1),
+
+
+  solarized_light_header_head_neutral   : rgba(#859900, .37),
+  solarized_light_line_head_neutral     : rgba(#859900, .2),
+  solarized_light_button_head_neutral   : #afb262,
+
+  solarized_light_header_head_chosen    : rgba(#859900, .5),
+  solarized_light_line_head_chosen      : rgba(#859900, .37),
+  solarized_light_button_head_chosen    : #94993d,
+
+  solarized_light_header_origin_neutral : rgba(#2878c9, .37),
+  solarized_light_line_origin_neutral   : rgba(#2878c9, .15),
+  solarized_light_button_origin_neutral : #60a1bf,
+
+  solarized_light_header_origin_chosen  : rgba(#2878c9, .6),
+  solarized_light_line_origin_chosen    : rgba(#2878c9, .37),
+  solarized_light_button_origin_chosen  : #2482b2,
+
+  solarized_light_header_not_chosen     : rgba(#839496, .37),
+  solarized_light_line_not_chosen       : rgba(#839496, .2),
+
+
+  solarized_dark_header_head_neutral   : rgba(#859900, .35),
+  solarized_dark_line_head_neutral     : rgba(#859900, .15),
+  solarized_dark_button_head_neutral   : #376b20,
+
+  solarized_dark_header_head_chosen    : rgba(#859900, .5),
+  solarized_dark_line_head_chosen      : rgba(#859900, .35),
+  solarized_dark_button_head_chosen    : #39800d,
+
+  solarized_dark_header_origin_neutral : rgba(#2878c9, .35),
+  solarized_dark_line_origin_neutral   : rgba(#2878c9, .15),
+  solarized_dark_button_origin_neutral : #086799,
+
+  solarized_dark_header_origin_chosen  : rgba(#2878c9, .6),
+  solarized_dark_line_origin_chosen    : rgba(#2878c9, .35),
+  solarized_dark_button_origin_chosen  : #0082cc,
+
+  solarized_dark_header_not_chosen     : rgba(#839496, .25),
+  solarized_dark_line_not_chosen       : rgba(#839496, .15)
+);
+
+
+@mixin color-scheme($color) {
+  .header.line_content, .diff-line-num {
+    &.origin {
+      background-color: map-get($colors, #{$color}_header_origin_neutral);
+      border-color: map-get($colors, #{$color}_header_origin_neutral);
+
+      button {
+        background-color: map-get($colors, #{$color}_button_origin_neutral);
+        border-color: darken(map-get($colors, #{$color}_button_origin_neutral), 15);
+      }
+
+      &.selected {
+        background-color: map-get($colors, #{$color}_header_origin_chosen);
+        border-color: map-get($colors, #{$color}_header_origin_chosen);
+
+        button {
+          background-color: map-get($colors, #{$color}_button_origin_chosen);
+          border-color: darken(map-get($colors, #{$color}_button_origin_chosen), 15);
+        }
+      }
+
+      &.unselected {
+        background-color: map-get($colors, #{$color}_header_not_chosen);
+        border-color: map-get($colors, #{$color}_header_not_chosen);
+
+        button {
+          background-color: lighten(map-get($colors, #{$color}_button_origin_neutral), 15);
+          border-color: map-get($colors, #{$color}_button_origin_neutral);
+        }
+      }
+    }
+    &.head {
+      background-color: map-get($colors, #{$color}_header_head_neutral);
+      border-color: map-get($colors, #{$color}_header_head_neutral);
+
+      button {
+        background-color: map-get($colors, #{$color}_button_head_neutral);
+        border-color: darken(map-get($colors, #{$color}_button_head_neutral), 15);
+      }
+
+      &.selected {
+        background-color: map-get($colors, #{$color}_header_head_chosen);
+        border-color: map-get($colors, #{$color}_header_head_chosen);
+
+        button {
+          background-color: map-get($colors, #{$color}_button_head_chosen);
+          border-color: darken(map-get($colors, #{$color}_button_head_chosen), 15);
+        }
+      }
+
+      &.unselected {
+        background-color: map-get($colors, #{$color}_header_not_chosen);
+        border-color: map-get($colors, #{$color}_header_not_chosen);
+
+        button {
+          background-color: lighten(map-get($colors, #{$color}_button_head_neutral), 15);
+          border-color: map-get($colors, #{$color}_button_head_neutral);
+        }
+      }
+    }
+  }
+
+  .line_content {
+    &.origin {
+      background-color: map-get($colors, #{$color}_line_origin_neutral);
+
+      &.selected {
+        background-color: map-get($colors, #{$color}_line_origin_chosen);
+      }
+
+      &.unselected {
+        background-color: map-get($colors, #{$color}_line_not_chosen);
+      }
+    }
+    &.head {
+      background-color: map-get($colors, #{$color}_line_head_neutral);
+
+      &.selected {
+        background-color: map-get($colors, #{$color}_line_head_chosen);
+      }
+
+      &.unselected {
+        background-color: map-get($colors, #{$color}_line_not_chosen);
+      }
+    }
+  }
+}
+
+
+#conflicts {
+
+  .white {
+    @include color-scheme('white')
+  }
+
+  .dark {
+    @include color-scheme('dark')
+  }
+
+  .monokai {
+    @include color-scheme('monokai')
+  }
+
+  .solarized-light {
+    @include color-scheme('solarized_light')
+  }
+
+  .solarized-dark {
+    @include color-scheme('solarized_dark')
+  }
+
+  .diff-wrap-lines .line_content {
+    white-space: normal;
+    min-height: 19px;
+  }
+
+  .line_content.header {
+    position: relative;
+
+    button {
+      border-radius: 2px;
+      font-size: 10px;
+      position: absolute;
+      right: 10px;
+      padding: 0;
+      outline: none;
+      color: #fff;
+      width: 75px; // static width to make 2 buttons have same width
+      height: 19px;
+    }
+  }
+
+  .btn-success .fa-spinner {
+    color: #fff;
+  }
+}

app/assets/stylesheets/pages/pipelines.scss

@@ -229,3 +229,196 @@
     box-shadow: none;
   }
 }
+
+// Pipeline visualization
+
+.toggle-pipeline-btn {
+  background-color: $gray-dark;
+
+  .caret {
+    border-top: none;
+    border-bottom: 4px solid;
+  }
+
+  &.graph-collapsed {
+    background-color: $white-light;
+
+    .caret {
+      border-bottom: none;
+      border-top: 4px solid;
+    }
+  }
+}
+
+.pipeline-graph {
+  width: 100%;
+  overflow: auto;
+  white-space: nowrap;
+  max-height: 500px;
+  transition: max-height 0.3s, padding 0.3s;
+
+  &.graph-collapsed {
+    max-height: 0;
+    padding: 0 16px;
+  }
+}
+
+.pipeline-visualization {
+  position: relative;
+  min-width: 1220px;
+
+  ul {
+    padding: 0;
+  }
+}
+
+.stage-column {
+  display: inline-block;
+  vertical-align: top;
+  margin-right: 50px;
+
+  li {
+    list-style: none;
+  }
+
+  .stage-name {
+    margin-bottom: 15px;
+    font-weight: bold;
+    width: 150px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .build {
+    border: 1px solid $border-color;
+    position: relative;
+    padding: 6px 10px;
+    border-radius: 30px;
+    width: 150px;
+    margin-bottom: 10px;
+
+    &.playable {
+      background-color: $gray-light;
+    }
+
+    .build-content {
+      width: 130px;
+      white-space: nowrap;
+      overflow: hidden;
+      text-overflow: ellipsis;
+
+      a {
+        color: $layout-link-gray;
+      }
+    }
+
+    svg {
+      position: relative;
+      top: 2px;
+      margin-right: 5px;
+    }
+
+    .fa {
+      font-size: 13px;
+    }
+
+    // Connect first build in each stage with right horizontal line
+    &:first-child {
+      &::after {
+        content: '';
+        position: absolute;
+        top: 50%;
+        right: -54px;
+        border-top: 2px solid $border-color;
+        width: 54px;
+        height: 1px;
+      }
+    }
+
+    // Connect each build (except for first) with curved lines
+    &:not(:first-child) {
+      &::after, &::before {
+        content: '';
+        top: -47px;
+        position: absolute;
+        border-bottom: 2px solid $border-color;
+        width: 20px;
+        height: 65px;
+      }
+
+      // Right connecting curves
+      &::after {
+        right: -20px;
+        border-right: 2px solid $border-color;
+        border-radius: 0 0 50px;
+      }
+
+      // Left connecting curves
+      &::before {
+        left: -20px;
+        border-left: 2px solid $border-color;
+        border-radius: 0 0 0 50px;
+      }
+    }
+
+    // Connect second build to first build with smaller curved line
+    &:nth-child(2) {
+      &::after, &::before {
+        height: 45px;
+        top: -26px;
+      }
+    }
+  }
+
+  &:last-child {
+    .build {
+      // Remove right connecting horizontal line from first build in last stage
+      &:first-child {
+        &::after, &::before {
+          border: none;
+        }
+      }
+      // Remove right curved connectors from all builds in last stage
+      &:not(:first-child) {
+        &::after {
+          border: none;
+        }
+      }
+    }
+  }
+
+  &:first-child {
+    .build {
+      // Remove left curved connectors from all builds in first stage
+      &:not(:first-child) {
+        &::before {
+          border: none;
+        }
+      }
+    }
+  }
+}
+
+.pipeline-actions {
+  border-bottom: none;
+}
+
+.toggle-pipeline-btn {
+
+  .fa {
+    color: $dropdown-header-color;
+  }
+}
+
+.pipelines.tab-pane {
+
+  .content-list.pipelines {
+    overflow: scroll;
+  }
+
+  .stage {
+    max-width: 60px;
+    width: 60px;
+  }
+}

app/controllers/autocomplete_controller.rb

@@ -35,19 +35,13 @@ class AutocompleteController < ApplicationController
 
   def projects
     project = Project.find_by_id(params[:project_id])
-
-    projects = current_user.authorized_projects
-    projects = projects.search(params[:search]) if params[:search].present?
-    projects = projects.select do |project|
-      current_user.can?(:admin_issue, project)
-    end
+    projects = projects_finder.execute(project, search: params[:search], offset_id: params[:offset_id])
 
     no_project = {
       id: 0,
       name_with_namespace: 'No project',
     }
-    projects.unshift(no_project)
-    projects.delete(project)
+    projects.unshift(no_project) unless params[:offset_id].present?
 
     render json: projects.to_json(only: [:id, :name_with_namespace], methods: :name_with_namespace)
   end
@@ -79,4 +73,8 @@ class AutocompleteController < ApplicationController
       end
     end
   end
+
+  def projects_finder
+    MoveToProjectFinder.new(current_user)
+  end
 end

app/controllers/projects/board_lists_controller.rb

+class Projects::BoardListsController < Projects::ApplicationController
+  respond_to :json
+
+  before_action :authorize_admin_list!
+
+  rescue_from ActiveRecord::RecordNotFound, with: :record_not_found
+
+  def create
+    list = Boards::Lists::CreateService.new(project, current_user, list_params).execute
+
+    if list.valid?
+      render json: list.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :description, :color, :priority] } })
+    else
+      render json: list.errors, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    service = Boards::Lists::MoveService.new(project, current_user, move_params)
+
+    if service.execute
+      head :ok
+    else
+      head :unprocessable_entity
+    end
+  end
+
+  def destroy
+    service = Boards::Lists::DestroyService.new(project, current_user, params)
+
+    if service.execute
+      head :ok
+    else
+      head :unprocessable_entity
+    end
+  end
+
+  def generate
+    service = Boards::Lists::GenerateService.new(project, current_user)
+
+    if service.execute
+      render json: project.board.lists.label.as_json(only: [:id, :list_type, :position], methods: [:title], include: { label: { only: [:id, :title, :description, :color, :priority] } })
+    else
+      head :unprocessable_entity
+    end
+  end
+
+  private
+
+  def authorize_admin_list!
+    return render_403 unless can?(current_user, :admin_list, project)
+  end
+
+  def list_params
+    params.require(:list).permit(:label_id)
+  end
+
+  def move_params
+    params.require(:list).permit(:position).merge(id: params[:id])
+  end
+
+  def record_not_found(exception)
+    render json: { error: exception.message }, status: :not_found
+  end
+end

app/controllers/projects/boards/application_controller.rb

+module Projects
+  module Boards
+    class ApplicationController < Projects::ApplicationController
+      respond_to :json
+
+      rescue_from ActiveRecord::RecordNotFound, with: :record_not_found
+
+      private
+
+      def record_not_found(exception)
+        render json: { error: exception.message }, status: :not_found
+      end
+    end
+  end
+end

app/controllers/projects/boards/issues_controller.rb

+module Projects
+  module Boards
+    class IssuesController < Boards::ApplicationController
+      before_action :authorize_read_issue!, only: [:index]
+      before_action :authorize_update_issue!, only: [:update]
+
+      def index
+        issues = ::Boards::Issues::ListService.new(project, current_user, filter_params).execute
+        issues = issues.page(params[:page])
+
+        render json: issues.as_json(
+          only: [:iid, :title, :confidential],
+          include: {
+            assignee: { only: [:id, :name, :username], methods: [:avatar_url] },
+            labels:   { only: [:id, :title, :description, :color, :priority] }
+          })
+      end
+
+      def update
+        service = ::Boards::Issues::MoveService.new(project, current_user, move_params)
+
+        if service.execute(issue)
+          head :ok
+        else
+          head :unprocessable_entity
+        end
+      end
+
+      private
+
+      def issue
+        @issue ||=
+          IssuesFinder.new(current_user, project_id: project.id, state: 'all')
+                      .execute
+                      .where(iid: params[:id])
+                      .first!
+      end
+
+      def authorize_read_issue!
+        return render_403 unless can?(current_user, :read_issue, project)
+      end
+
+      def authorize_update_issue!
+        return render_403 unless can?(current_user, :update_issue, issue)
+      end
+
+      def filter_params
+        params.merge(id: params[:list_id])
+      end
+
+      def move_params
+        params.permit(:id, :from_list_id, :to_list_id)
+      end
+    end
+  end
+end

app/controllers/projects/boards/lists_controller.rb

+module Projects
+  module Boards
+    class ListsController < Boards::ApplicationController
+      before_action :authorize_admin_list!, only: [:create, :update, :destroy, :generate]
+      before_action :authorize_read_list!, only: [:index]
+
+      def index
+        render json: serialize_as_json(project.board.lists)
+      end
+
+      def create
+        list = ::Boards::Lists::CreateService.new(project, current_user, list_params).execute
+
+        if list.valid?
+          render json: serialize_as_json(list)
+        else
+          render json: list.errors, status: :unprocessable_entity
+        end
+      end
+
+      def update
+        list = project.board.lists.movable.find(params[:id])
+        service = ::Boards::Lists::MoveService.new(project, current_user, move_params)
+
+        if service.execute(list)
+          head :ok
+        else
+          head :unprocessable_entity
+        end
+      end
+
+      def destroy
+        list = project.board.lists.destroyable.find(params[:id])
+        service = ::Boards::Lists::DestroyService.new(project, current_user, params)
+
+        if service.execute(list)
+          head :ok
+        else
+          head :unprocessable_entity
+        end
+      end
+
+      def generate
+        service = ::Boards::Lists::GenerateService.new(project, current_user)
+
+        if service.execute
+          render json: serialize_as_json(project.board.lists.movable)
+        else
+          head :unprocessable_entity
+        end
+      end
+
+      private
+
+      def authorize_admin_list!
+        return render_403 unless can?(current_user, :admin_list, project)
+      end
+
+      def authorize_read_list!
+        return render_403 unless can?(current_user, :read_list, project)
+      end
+
+      def list_params
+        params.require(:list).permit(:label_id)
+      end
+
+      def move_params
+        params.require(:list).permit(:position)
+      end
+
+      def serialize_as_json(resource)
+        resource.as_json(
+          only: [:id, :list_type, :position],
+          methods: [:title],
+          include: {
+            label: { only: [:id, :title, :description, :color, :priority] }
+          })
+      end
+    end
+  end
+end

app/controllers/projects/boards_controller.rb

+class Projects::BoardsController < Projects::ApplicationController
+  respond_to :html
+
+  before_action :authorize_read_board!, only: [:show]
+
+  def show
+    ::Boards::CreateService.new(project, current_user).execute
+  end
+
+  private
+
+  def authorize_read_board!
+    return access_denied! unless can?(current_user, :read_board, project)
+  end
+end

app/controllers/projects/merge_requests_controller.rb

@@ -9,15 +9,15 @@ class Projects::MergeRequestsController < Projects::ApplicationController
 
   before_action :module_enabled
   before_action :merge_request, only: [
-    :edit, :update, :show, :diffs, :commits, :builds, :merge, :merge_check,
-    :ci_status, :toggle_subscription, :cancel_merge_when_build_succeeds, :remove_wip
+    :edit, :update, :show, :diffs, :commits, :conflicts, :builds, :pipelines, :merge, :merge_check,
+    :ci_status, :toggle_subscription, :cancel_merge_when_build_succeeds, :remove_wip, :resolve_conflicts
   ]
-  before_action :validates_merge_request, only: [:show, :diffs, :commits, :builds]
-  before_action :define_show_vars, only: [:show, :diffs, :commits, :builds]
+  before_action :validates_merge_request, only: [:show, :diffs, :commits, :builds, :pipelines]
+  before_action :define_show_vars, only: [:show, :diffs, :commits, :conflicts, :builds, :pipelines]
   before_action :define_widget_vars, only: [:merge, :cancel_merge_when_build_succeeds, :merge_check]
   before_action :define_commit_vars, only: [:diffs]
   before_action :define_diff_comment_vars, only: [:diffs]
-  before_action :ensure_ref_fetched, only: [:show, :diffs, :commits, :builds]
+  before_action :ensure_ref_fetched, only: [:show, :diffs, :commits, :builds, :conflicts, :pipelines]
 
   # Allow read any merge_request
   before_action :authorize_read_merge_request!
@@ -28,6 +28,8 @@ class Projects::MergeRequestsController < Projects::ApplicationController
   # Allow modify merge_request
   before_action :authorize_update_merge_request!, only: [:close, :edit, :update, :remove_wip, :sort]
 
+  before_action :authorize_can_resolve_conflicts!, only: [:conflicts, :resolve_conflicts]
+
   def index
     terms = params['issue_search']
     @merge_requests = merge_requests_collection
@@ -130,6 +132,47 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     end
   end
 
+  def conflicts
+    respond_to do |format|
+      format.html { define_discussion_vars }
+
+      format.json do
+        if @merge_request.conflicts_can_be_resolved_in_ui?
+          render json: @merge_request.conflicts
+        elsif @merge_request.can_be_merged?
+          render json: {
+            message: 'The merge conflicts for this merge request have already been resolved. Please return to the merge request.',
+            type: 'error'
+          }
+        else
+          render json: {
+            message: 'The merge conflicts for this merge request cannot be resolved through GitLab. Please try to resolve them locally.',
+            type: 'error'
+          }
+        end
+      end
+    end
+  end
+
+  def resolve_conflicts
+    return render_404 unless @merge_request.conflicts_can_be_resolved_in_ui?
+
+    if @merge_request.can_be_merged?
+      render status: :bad_request, json: { message: 'The merge conflicts for this merge request have already been resolved.' }
+      return
+    end
+
+    begin
+      MergeRequests::ResolveService.new(@merge_request.source_project, current_user, params).execute(@merge_request)
+
+      flash[:notice] = 'All merge conflicts were resolved. The merge request can now be merged.'
+
+      render json: { redirect_to: namespace_project_merge_request_url(@project.namespace, @project, @merge_request, resolved_conflicts: true) }
+    rescue Gitlab::Conflict::File::MissingResolution => e
+      render status: :bad_request, json: { message: e.message }
+    end
+  end
+
   def builds
     respond_to do |format|
       format.html do
@@ -141,7 +184,22 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     end
   end
 
+  def pipelines
+    @pipelines = @merge_request.all_pipelines
+
+    respond_to do |format|
+      format.html do
+        define_discussion_vars
+
+        render 'show'
+      end
+      format.json { render json: { html: view_to_html_string('projects/merge_requests/show/_pipelines') } }
+    end
+  end
+
   def new
+    apply_diff_view_cookie!
+
     build_merge_request
     @noteable = @merge_request
 
@@ -338,6 +396,10 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     return render_404 unless can?(current_user, :admin_merge_request, @merge_request)
   end
 
+  def authorize_can_resolve_conflicts!
+    return render_404 unless @merge_request.conflicts_can_be_resolved_by?(current_user)
+  end
+
   def module_enabled
     return render_404 unless @project.merge_requests_enabled
   end
@@ -412,7 +474,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
       noteable_id: @merge_request.id
     }
 
-    @use_legacy_diff_notes = !@merge_request.support_new_diff_notes?
+    @use_legacy_diff_notes = !@merge_request.has_complete_diff_refs?
     @grouped_diff_discussions = @merge_request.notes.inc_author_project_award_emoji.grouped_diff_discussions
 
     Banzai::NoteRenderer.render(

app/finders/move_to_project_finder.rb

+class MoveToProjectFinder
+  def initialize(user)
+    @user = user
+  end
+
+  def execute(from_project, search: nil, offset_id: nil)
+    projects = @user.projects_where_can_admin_issues
+    projects = projects.search(search) if search.present?
+    projects = projects.excluding_project(from_project)
+
+    # to ask for Project#name_with_namespace
+    projects.includes(namespace: :owner)
+  end
+end

app/helpers/application_helper.rb

@@ -320,4 +320,8 @@ module ApplicationHelper
       capture(&block)
     end
   end
+
+  def page_class
+    "issue-boards-page" if current_controller?(:boards)
+  end
 end

app/helpers/ci_status_helper.rb

@@ -43,6 +43,10 @@ module CiStatusHelper
         'icon_status_pending'
       when 'running'
         'icon_status_running'
+      when 'play'
+        return icon('play fw')
+      when 'created'
+        'icon_status_pending'
       else
         'icon_status_cancel'
       end
@@ -53,13 +57,13 @@ module CiStatusHelper
   def render_commit_status(commit, tooltip_placement: 'auto left')
     project = commit.project
     path = builds_namespace_project_commit_path(project.namespace, project, commit)
-    render_status_with_link('commit', commit.status, path, tooltip_placement)
+    render_status_with_link('commit', commit.status, path, tooltip_placement: tooltip_placement)
   end
 
   def render_pipeline_status(pipeline, tooltip_placement: 'auto left')
     project = pipeline.project
     path = namespace_project_pipeline_path(project.namespace, project, pipeline)
-    render_status_with_link('pipeline', pipeline.status, path, tooltip_placement)
+    render_status_with_link('pipeline', pipeline.status, path, tooltip_placement: tooltip_placement)
   end
 
   def no_runners_for_project?(project)
@@ -67,13 +71,17 @@ module CiStatusHelper
       Ci::Runner.shared.blank?
   end
 
-  private
+  def render_status_with_link(type, status, path = nil, tooltip_placement: 'auto left', cssclass: '')
+    klass = "ci-status-link ci-status-icon-#{status.dasherize} #{cssclass}"
+    title = "#{type.titleize}: #{ci_label_for_status(status)}"
+    data = { toggle: 'tooltip', placement: tooltip_placement }
 
-  def render_status_with_link(type, status, path, tooltip_placement, cssclass: '')
-    link_to ci_icon_for_status(status),
-            path,
-            class: "ci-status-link ci-status-icon-#{status.dasherize} #{cssclass}",
-            title: "#{type.titleize}: #{ci_label_for_status(status)}",
-            data: { toggle: 'tooltip', placement: tooltip_placement }
+    if path
+      link_to ci_icon_for_status(status), path,
+              class: klass, title: title, data: data
+    else
+      content_tag :span, ci_icon_for_status(status),
+              class: klass, title: title, data: data
+    end
   end
 end

app/helpers/commits_helper.rb

@@ -98,7 +98,16 @@ module CommitsHelper
   end
 
   def link_to_browse_code(project, commit)
-    if current_controller?(:projects, :commits)
+    if @path.blank?
+      return link_to(
+        "Browse Files",
+        namespace_project_tree_path(project.namespace, project, commit),
+        class: "btn btn-default"
+      )
+    end
+
+    return unless current_controller?(:projects, :commits)
+
     if @repo.blob_at(commit.id, @path)
       return link_to(
         "Browse File",
@@ -115,12 +124,6 @@ module CommitsHelper
       )
     end
   end
-    link_to(
-      "Browse Files",
-      namespace_project_tree_path(project.namespace, project, commit),
-      class: "btn btn-default"
-    )
-  end
 
   def revert_commit_link(commit, continue_to_path, btn_class: nil, has_tooltip: true)
     return unless current_user

app/helpers/nav_helper.rb

@@ -24,6 +24,7 @@ module NavHelper
       current_path?('merge_requests#diffs') ||
       current_path?('merge_requests#commits') ||
       current_path?('merge_requests#builds') ||
+      current_path?('merge_requests#conflicts') ||
       current_path?('issues#show')
       if cookies[:collapsed_gutter] == 'true'
         "page-gutter right-sidebar-collapsed"

app/mailers/emails/issues.rb

@@ -6,6 +6,11 @@ module Emails
       mail_new_thread(@issue, issue_thread_options(@issue.author_id, recipient_id))
     end
 
+    def new_mention_in_issue_email(recipient_id, issue_id, updated_by_user_id)
+      setup_issue_mail(issue_id, recipient_id)
+      mail_answer_thread(@issue, issue_thread_options(updated_by_user_id, recipient_id))
+    end
+
     def reassigned_issue_email(recipient_id, issue_id, previous_assignee_id, updated_by_user_id)
       setup_issue_mail(issue_id, recipient_id)
 

app/mailers/emails/merge_requests.rb

@@ -6,6 +6,11 @@ module Emails
       mail_new_thread(@merge_request, merge_request_thread_options(@merge_request.author_id, recipient_id))
     end
 
+    def new_mention_in_merge_request_email(recipient_id, merge_request_id, updated_by_user_id)
+      setup_merge_request_mail(merge_request_id, recipient_id)
+      mail_answer_thread(@merge_request, merge_request_thread_options(updated_by_user_id, recipient_id))
+    end
+
     def reassigned_merge_request_email(recipient_id, merge_request_id, previous_assignee_id, updated_by_user_id)
       setup_merge_request_mail(merge_request_id, recipient_id)
 

app/models/ability.rb

@@ -90,6 +90,8 @@ class Ability
       if project && project.public?
         rules = [
           :read_project,
+          :read_board,
+          :read_list,
           :read_wiki,
           :read_label,
           :read_milestone,
@@ -228,6 +230,8 @@ class Ability
         :read_project,
         :read_wiki,
         :read_issue,
+        :read_board,
+        :read_list,
         :read_label,
         :read_milestone,
         :read_project_snippet,
@@ -249,6 +253,7 @@ class Ability
         :update_issue,
         :admin_issue,
         :admin_label,
+        :admin_list,
         :read_commit_status,
         :read_build,
         :read_container_image,

app/models/board.rb

+class Board < ActiveRecord::Base
+  belongs_to :project
+
+  has_many :lists, -> { order(:list_type, :position) }, dependent: :delete_all
+
+  validates :project, presence: true
+end

app/models/ci/build.rb

@@ -97,7 +97,7 @@ module Ci
     end
 
     def playable?
-      project.builds_enabled? && commands.present? && manual?
+      project.builds_enabled? && commands.present? && manual? && skipped?
     end
 
     def play(current_user = nil)

app/models/ci/pipeline.rb

@@ -78,6 +78,10 @@ module Ci
       CommitStatus.where(pipeline: pluck(:id)).stages
     end
 
+    def stages_with_latest_statuses
+      statuses.latest.order(:stage_idx).group_by(&:stage)
+    end
+
     def project_id
       project.id
     end

app/models/diff_note.rb

@@ -75,7 +75,7 @@ class DiffNote < Note
   private
 
   def supported?
-    !self.for_merge_request? || self.noteable.support_new_diff_notes?
+    !self.for_merge_request? || self.noteable.has_complete_diff_refs?
   end
 
   def noteable_diff_refs

app/models/label.rb

@@ -13,6 +13,8 @@ class Label < ActiveRecord::Base
   default_value_for :color, DEFAULT_COLOR
 
   belongs_to :project
+
+  has_many :lists, dependent: :destroy
   has_many :label_links, dependent: :destroy
   has_many :issues, through: :label_links, source: :target, source_type: 'Issue'
   has_many :merge_requests, through: :label_links, source: :target, source_type: 'MergeRequest'

app/models/list.rb

+class List < ActiveRecord::Base
+  belongs_to :board
+  belongs_to :label
+
+  enum list_type: { backlog: 0, label: 1, done: 2 }
+
+  validates :board, :list_type, presence: true
+  validates :label, :position, presence: true, if: :label?
+  validates :label_id, uniqueness: { scope: :board_id }, if: :label?
+  validates :position, numericality: { only_integer: true, greater_than_or_equal_to: 0 }, if: :label?
+
+  before_destroy :can_be_destroyed
+
+  scope :destroyable, -> { where(list_type: list_types[:label]) }
+  scope :movable, -> { where(list_type: list_types[:label]) }
+
+  def destroyable?
+    label?
+  end
+
+  def movable?
+    label?
+  end
+
+  def title
+    label? ? label.name : list_type.humanize
+  end
+
+  private
+
+  def can_be_destroyed
+    destroyable?
+  end
+end

app/models/merge_request.rb

@@ -674,12 +674,23 @@ class MergeRequest < ActiveRecord::Base
     diverged_commits_count > 0
   end
 
+  def commits_sha
+    commits.map(&:sha)
+  end
+
   def pipeline
     return unless diff_head_sha && source_project
 
     @pipeline ||= source_project.pipeline_for(source_branch, diff_head_sha)
   end
 
+  def all_pipelines
+    @all_pipelines ||=
+      if diff_head_sha && source_project
+        source_project.pipelines.order(id: :desc).where(sha: commits_sha, ref: source_branch)
+      end
+  end
+
   def merge_commit
     @merge_commit ||= project.commit(merge_commit_sha) if merge_commit_sha
   end
@@ -692,12 +703,12 @@ class MergeRequest < ActiveRecord::Base
     merge_commit
   end
 
-  def support_new_diff_notes?
+  def has_complete_diff_refs?
     diff_sha_refs && diff_sha_refs.complete?
   end
 
   def update_diff_notes_positions(old_diff_refs:, new_diff_refs:)
-    return unless support_new_diff_notes?
+    return unless has_complete_diff_refs?
     return if new_diff_refs == old_diff_refs
 
     active_diff_notes = self.notes.diff_notes.select do |note|
@@ -725,4 +736,26 @@ class MergeRequest < ActiveRecord::Base
   def keep_around_commit
     project.repository.keep_around(self.merge_commit_sha)
   end
+
+  def conflicts
+    @conflicts ||= Gitlab::Conflict::FileCollection.new(self)
+  end
+
+  def conflicts_can_be_resolved_by?(user)
+    access = ::Gitlab::UserAccess.new(user, project: source_project)
+    access.can_push_to_branch?(source_branch)
+  end
+
+  def conflicts_can_be_resolved_in_ui?
+    return @conflicts_can_be_resolved_in_ui if defined?(@conflicts_can_be_resolved_in_ui)
+
+    return @conflicts_can_be_resolved_in_ui = false unless cannot_be_merged?
+    return @conflicts_can_be_resolved_in_ui = false unless has_complete_diff_refs?
+
+    begin
+      @conflicts_can_be_resolved_in_ui = conflicts.files.each(&:lines)
+    rescue Gitlab::Conflict::Parser::ParserError, Gitlab::Conflict::FileCollection::ConflictSideMissing
+      @conflicts_can_be_resolved_in_ui = false
+    end
+  end
 end

app/models/project.rb

@@ -62,6 +62,8 @@ class Project < ActiveRecord::Base
   belongs_to :group, -> { where(type: Group) }, foreign_key: 'namespace_id'
   belongs_to :namespace
 
+  has_one :board, dependent: :destroy
+
   has_one :last_event, -> {order 'events.created_at DESC'}, class_name: 'Event', foreign_key: 'project_id'
 
   # Project services
@@ -197,6 +199,8 @@ class Project < ActiveRecord::Base
   scope :active, -> { joins(:issues, :notes, :merge_requests).order('issues.created_at, notes.created_at, merge_requests.created_at DESC') }
   scope :abandoned, -> { where('projects.last_activity_at < ?', 6.months.ago) }
 
+  scope :excluding_project, ->(project) { where.not(id: project) }
+
   state_machine :import_status, initial: :none do
     event :import_start do
       transition [:none, :finished] => :started

app/models/repository.rb

@@ -391,6 +391,8 @@ class Repository
     expire_exists_cache
     expire_root_ref_cache
     expire_emptiness_caches
+
+    repository_event(:create_repository)
   end
 
   # Runs code just before a repository is deleted.
@@ -407,6 +409,8 @@ class Repository
     expire_root_ref_cache
     expire_emptiness_caches
     expire_exists_cache
+
+    repository_event(:remove_repository)
   end
 
   # Runs code just before the HEAD of a repository is changed.
@@ -414,6 +418,8 @@ class Repository
     # Cached divergent commit counts are based on repository head
     expire_branch_cache
     expire_root_ref_cache
+
+    repository_event(:change_default_branch)
   end
 
   # Runs code before pushing (= creating or removing) a tag.
@@ -421,12 +427,16 @@ class Repository
     expire_cache
     expire_tags_cache
     expire_tag_count_cache
+
+    repository_event(:push_tag)
   end
 
   # Runs code before removing a tag.
   def before_remove_tag
     expire_tags_cache
     expire_tag_count_cache
+
+    repository_event(:remove_tag)
   end
 
   def before_import
@@ -443,6 +453,8 @@ class Repository
   # Runs code after a new commit has been pushed.
   def after_push_commit(branch_name, revision)
     expire_cache(branch_name, revision)
+
+    repository_event(:push_commit, branch: branch_name)
   end
 
   # Runs code after a new branch has been created.
@@ -450,11 +462,15 @@ class Repository
     expire_branches_cache
     expire_has_visible_content_cache
     expire_branch_count_cache
+
+    repository_event(:push_branch)
   end
 
   # Runs code before removing an existing branch.
   def before_remove_branch
     expire_branches_cache
+
+    repository_event(:remove_branch)
   end
 
   # Runs code after an existing branch has been removed.
@@ -869,6 +885,14 @@ class Repository
     end
   end
 
+  def resolve_conflicts(user, branch, params)
+    commit_with_hooks(user, branch) do
+      committer = user_to_committer(user)
+
+      Rugged::Commit.create(rugged, params.merge(author: committer, committer: committer))
+    end
+  end
+
   def check_revert_content(commit, base_branch)
     source_sha = find_branch(base_branch).target.sha
     args       = [commit.id, source_sha]
@@ -1059,4 +1083,8 @@ class Repository
   def keep_around_ref_name(sha)
     "refs/keep-around/#{sha}"
   end
+
+  def repository_event(event, tags = {})
+    Gitlab::Metrics.add_event(event, { path: path_with_namespace }.merge(tags))
+  end
 end

app/models/user.rb

@@ -429,6 +429,13 @@ class User < ActiveRecord::Base
                     owned_groups.select(:id), namespace.id).joins(:namespace)
   end
 
+  # Returns projects which user can admin issues on (for example to move an issue to that project).
+  #
+  # This logic is duplicated from `Ability#project_abilities` into a SQL form.
+  def projects_where_can_admin_issues
+    authorized_projects(Gitlab::Access::REPORTER).non_archived.where.not(issues_enabled: false)
+  end
+
   def is_admin?
     admin
   end

app/services/boards/base_service.rb

+module Boards
+  class BaseService < ::BaseService
+    delegate :board, to: :project
+  end
+end

app/services/boards/create_service.rb

+module Boards
+  class CreateService < Boards::BaseService
+    def execute
+      create_board! unless project.board.present?
+      project.board
+    end
+
+    private
+
+    def create_board!
+      project.create_board
+      project.board.lists.create(list_type: :backlog)
+      project.board.lists.create(list_type: :done)
+    end
+  end
+end

app/services/boards/issues/list_service.rb

+module Boards
+  module Issues
+    class ListService < Boards::BaseService
+      def execute
+        issues = IssuesFinder.new(current_user, filter_params).execute
+        issues = without_board_labels(issues) unless list.movable?
+        issues = with_list_label(issues) if list.movable?
+        issues
+      end
+
+      private
+
+      def list
+        @list ||= board.lists.find(params[:id])
+      end
+
+      def filter_params
+        set_default_scope
+        set_default_sort
+        set_project
+        set_state
+
+        params
+      end
+
+      def set_default_scope
+        params[:scope] = 'all'
+      end
+
+      def set_default_sort
+        params[:sort] = 'priority'
+      end
+
+      def set_project
+        params[:project_id] = project.id
+      end
+
+      def set_state
+        params[:state] = list.done? ? 'closed' : 'opened'
+      end
+
+      def board_label_ids
+        @board_label_ids ||= board.lists.movable.pluck(:label_id)
+      end
+
+      def without_board_labels(issues)
+        return issues unless board_label_ids.any?
+
+        issues.where.not(
+          LabelLink.where("label_links.target_type = 'Issue' AND label_links.target_id = issues.id")
+                   .where(label_id: board_label_ids).limit(1).arel.exists
+        )
+      end
+
+      def with_list_label(issues)
+        issues.where(
+          LabelLink.where("label_links.target_type = 'Issue' AND label_links.target_id = issues.id")
+                   .where("label_links.label_id = ?", list.label_id).limit(1).arel.exists
+        )
+      end
+    end
+  end
+end

app/services/boards/issues/move_service.rb

+module Boards
+  module Issues
+    class MoveService < Boards::BaseService
+      def execute(issue)
+        return false unless can?(current_user, :update_issue, issue)
+        return false unless valid_move?
+
+        update_service.execute(issue)
+      end
+
+      private
+
+      def valid_move?
+        moving_from_list.present? && moving_to_list.present? &&
+          moving_from_list != moving_to_list
+      end
+
+      def moving_from_list
+        @moving_from_list ||= board.lists.find_by(id: params[:from_list_id])
+      end
+
+      def moving_to_list
+        @moving_to_list ||= board.lists.find_by(id: params[:to_list_id])
+      end
+
+      def update_service
+        ::Issues::UpdateService.new(project, current_user, issue_params)
+      end
+
+      def issue_params
+        {
+          add_label_ids: add_label_ids,
+          remove_label_ids: remove_label_ids,
+          state_event: issue_state
+        }
+      end
+
+      def issue_state
+        return 'reopen' if moving_from_list.done?
+        return 'close'  if moving_to_list.done?
+      end
+
+      def add_label_ids
+        [moving_to_list.label_id].compact
+      end
+
+      def remove_label_ids
+        label_ids =
+          if moving_to_list.movable?
+            moving_from_list.label_id
+          else
+            board.lists.movable.pluck(:label_id)
+          end
+
+        Array(label_ids).compact
+      end
+    end
+  end
+end

app/services/boards/lists/create_service.rb

+module Boards
+  module Lists
+    class CreateService < Boards::BaseService
+      def execute
+        List.transaction do
+          create_list_at(next_position)
+        end
+      end
+
+      private
+
+      def next_position
+        max_position = board.lists.movable.maximum(:position)
+        max_position.nil? ? 0 : max_position.succ
+      end
+
+      def create_list_at(position)
+        board.lists.create(params.merge(list_type: :label, position: position))
+      end
+    end
+  end
+end

app/services/boards/lists/destroy_service.rb

+module Boards
+  module Lists
+    class DestroyService < Boards::BaseService
+      def execute(list)
+        return false unless list.destroyable?
+
+        list.with_lock do
+          decrement_higher_lists(list)
+          remove_list(list)
+        end
+      end
+
+      private
+
+      def decrement_higher_lists(list)
+        board.lists.movable.where('position > ?',  list.position)
+                   .update_all('position = position - 1')
+      end
+
+      def remove_list(list)
+        list.destroy
+      end
+    end
+  end
+end

app/services/boards/lists/generate_service.rb

+module Boards
+  module Lists
+    class GenerateService < Boards::BaseService
+      def execute
+        return false unless board.lists.movable.empty?
+
+        List.transaction do
+          label_params.each { |params| create_list(params) }
+        end
+
+        true
+      end
+
+      private
+
+      def create_list(params)
+        label = find_or_create_label(params)
+        Lists::CreateService.new(project, current_user, label_id: label.id).execute
+      end
+
+      def find_or_create_label(params)
+        project.labels.create_with(color: params[:color])
+                      .find_or_create_by(name: params[:name])
+      end
+
+      def label_params
+        [
+          { name: 'Development', color: '#5CB85C' },
+          { name: 'Testing',     color: '#F0AD4E' },
+          { name: 'Production',  color: '#FF5F00' },
+          { name: 'Ready',       color: '#FF0000' }
+        ]
+      end
+    end
+  end
+end

app/services/boards/lists/move_service.rb

+module Boards
+  module Lists
+    class MoveService < Boards::BaseService
+      def execute(list)
+        @old_position = list.position
+        @new_position = params[:position]
+
+        return false unless list.movable?
+        return false unless valid_move?
+
+        list.with_lock do
+          reorder_intermediate_lists
+          update_list_position(list)
+        end
+      end
+
+      private
+
+      attr_reader :old_position, :new_position
+
+      def valid_move?
+        new_position.present? && new_position != old_position &&
+          new_position >= 0 && new_position < board.lists.movable.size
+      end
+
+      def reorder_intermediate_lists
+        if old_position < new_position
+          decrement_intermediate_lists
+        else
+          increment_intermediate_lists
+        end
+      end
+
+      def decrement_intermediate_lists
+        board.lists.movable.where('position > ?',  old_position)
+                           .where('position <= ?', new_position)
+                           .update_all('position = position - 1')
+      end
+
+      def increment_intermediate_lists
+        board.lists.movable.where('position >= ?', new_position)
+                           .where('position < ?',  old_position)
+                           .update_all('position = position + 1')
+      end
+
+      def update_list_position(list)
+        list.update_attribute(:position, new_position)
+      end
+    end
+  end
+end

app/services/issuable_base_service.rb

@@ -104,11 +104,12 @@ class IssuableBaseService < BaseService
     change_subscription(issuable)
     filter_params
     old_labels = issuable.labels.to_a
+    old_mentioned_users = issuable.mentioned_users.to_a
 
     if params.present? && update_issuable(issuable, params)
       issuable.reset_events_cache
       handle_common_system_notes(issuable, old_labels: old_labels)
-      handle_changes(issuable, old_labels: old_labels)
+      handle_changes(issuable, old_labels: old_labels, old_mentioned_users: old_mentioned_users)
       issuable.create_new_cross_references!(current_user)
       execute_hooks(issuable, 'update')
     end

app/services/issues/update_service.rb

@@ -4,7 +4,7 @@ module Issues
       update(issue)
     end
 
-    def handle_changes(issue, old_labels: [])
+    def handle_changes(issue, old_labels: [], old_mentioned_users: [])
       if has_changes?(issue, old_labels: old_labels)
         todo_service.mark_pending_todos_as_done(issue, current_user)
       end
@@ -32,6 +32,11 @@ module Issues
       if added_labels.present?
         notification_service.relabeled_issue(issue, added_labels, current_user)
       end
+
+      added_mentions = issue.mentioned_users - old_mentioned_users
+      if added_mentions.present?
+        notification_service.new_mentions_in_issue(issue, added_mentions, current_user)
+      end
     end
 
     def reopen_service

app/services/merge_requests/resolve_service.rb

+module MergeRequests
+  class ResolveService < MergeRequests::BaseService
+    attr_accessor :conflicts, :rugged, :merge_index
+
+    def execute(merge_request)
+      @conflicts = merge_request.conflicts
+      @rugged = project.repository.rugged
+      @merge_index = conflicts.merge_index
+
+      conflicts.files.each do |file|
+        write_resolved_file_to_index(file, params[:sections])
+      end
+
+      commit_params = {
+        message: params[:commit_message] || conflicts.default_commit_message,
+        parents: [conflicts.our_commit, conflicts.their_commit].map(&:oid),
+        tree: merge_index.write_tree(rugged)
+      }
+
+      project.repository.resolve_conflicts(current_user, merge_request.source_branch, commit_params)
+    end
+
+    def write_resolved_file_to_index(file, resolutions)
+      new_file = file.resolve_lines(resolutions).map(&:text).join("\n")
+      our_path = file.our_path
+
+      merge_index.add(path: our_path, oid: rugged.write(new_file, :blob), mode: file.our_mode)
+      merge_index.conflict_remove(our_path)
+    end
+  end
+end

app/services/merge_requests/update_service.rb

@@ -16,7 +16,7 @@ module MergeRequests
       update(merge_request)
     end
 
-    def handle_changes(merge_request, old_labels: [])
+    def handle_changes(merge_request, old_labels: [], old_mentioned_users: [])
       if has_changes?(merge_request, old_labels: old_labels)
         todo_service.mark_pending_todos_as_done(merge_request, current_user)
       end
@@ -55,6 +55,15 @@ module MergeRequests
           current_user
         )
       end
+
+      added_mentions = merge_request.mentioned_users - old_mentioned_users
+      if added_mentions.present?
+        notification_service.new_mentions_in_merge_request(
+          merge_request,
+          added_mentions,
+          current_user
+        )
+      end
     end
 
     def reopen_service

app/services/notification_service.rb

@@ -35,6 +35,20 @@ class NotificationService
     new_resource_email(issue, issue.project, :new_issue_email)
   end
 
+  # When issue text is updated, we should send an email to:
+  #
+  #  * newly mentioned project team members with notification level higher than Participating
+  #
+  def new_mentions_in_issue(issue, new_mentioned_users, current_user)
+    new_mentions_in_resource_email(
+      issue,
+      issue.project,
+      new_mentioned_users,
+      current_user,
+      :new_mention_in_issue_email
+    )
+  end
+
   # When we close an issue we should send an email to:
   #
   #  * issue author if their notification level is not Disabled
@@ -75,6 +89,20 @@ class NotificationService
     new_resource_email(merge_request, merge_request.target_project, :new_merge_request_email)
   end
 
+  # When merge request text is updated, we should send an email to:
+  #
+  #  * newly mentioned project team members with notification level higher than Participating
+  #
+  def new_mentions_in_merge_request(merge_request, new_mentioned_users, current_user)
+    new_mentions_in_resource_email(
+      merge_request,
+      merge_request.target_project,
+      new_mentioned_users,
+      current_user,
+      :new_mention_in_merge_request_email
+    )
+  end
+
   # When we reassign a merge_request we should send an email to:
   #
   #  * merge_request old assignee if their notification level is not Disabled
@@ -471,6 +499,15 @@ class NotificationService
     end
   end
 
+  def new_mentions_in_resource_email(target, project, new_mentioned_users, current_user, method)
+    recipients = build_recipients(target, project, current_user, action: "new")
+    recipients = recipients & new_mentioned_users
+
+    recipients.each do |recipient|
+      mailer.send(method, recipient.id, target.id, current_user.id).deliver_later
+    end
+  end
+
   def close_resource_email(target, project, current_user, method)
     action = method == :merged_merge_request_email ? "merge" : "close"
     recipients = build_recipients(target, project, current_user, action: action)

app/views/layouts/_page.html.haml

@@ -23,7 +23,6 @@
     = render "layouts/broadcast"
     = render "layouts/flash"
     = yield :flash_message
-    %div{ class: (container_class unless @no_container) }
+    %div{ class: "#{(container_class unless @no_container)} #{@content_class}" }
       .content
-        .clearfix
         = yield

app/views/layouts/application.html.haml

 !!! 5
-%html{ lang: "en"}
+%html{ lang: "en", class: "#{page_class}" }
   = render "layouts/head"
   %body{class: "#{user_application_theme}", data: {page: body_data_page, project: "#{@project.path if @project}", group: "#{@group.path if @group}"}}
     = Gon::Base.render_data

app/views/notify/new_mention_in_issue_email.html.haml

+%p
+  You have been mentioned in an issue.
+
+- if current_application_settings.email_author_in_body
+  %div
+    #{link_to @issue.author_name, user_url(@issue.author)} wrote:
+-if @issue.description
+  = markdown(@issue.description, pipeline: :email, author: @issue.author)
+
+- if @issue.assignee_id.present?
+  %p
+    Assignee: #{@issue.assignee_name}

app/views/notify/new_mention_in_issue_email.text.erb

+You have been mentioned in an issue.
+
+Issue <%= @issue.iid %>: <%= url_for(namespace_project_issue_url(@issue.project.namespace, @issue.project, @issue)) %>
+Author:    <%= @issue.author_name %>
+Assignee:  <%= @issue.assignee_name %>
+
+<%= @issue.description %>

app/views/notify/new_mention_in_merge_request_email.html.haml

+%p
+  You have been mentioned in Merge Request #{@merge_request.to_reference}
+
+- if current_application_settings.email_author_in_body
+  %div
+    #{link_to @merge_request.author_name, user_url(@merge_request.author)} wrote:
+%p.details
+  != merge_path_description(@merge_request, '→')
+
+- if @merge_request.assignee_id.present?
+  %p
+    Assignee: #{@merge_request.author_name} → #{@merge_request.assignee_name}
+
+-if @merge_request.description
+  = markdown(@merge_request.description, pipeline: :email, author: @merge_request.author)

app/views/notify/new_mention_in_merge_request_email.text.erb

+You have been mentioned in Merge Request <%= @merge_request.to_reference %>
+
+<%= url_for(namespace_project_merge_request_url(@merge_request.target_project.namespace, @merge_request.target_project, @merge_request)) %>
+
+<%= merge_path_description(@merge_request, 'to') %>
+Author:    <%= @merge_request.author_name %>
+Assignee:  <%= @merge_request.assignee_name %>
+
+<%= @merge_request.description %>

app/views/projects/boards/components/_blank_state.html.haml

+%board-blank-state{ "inline-template" => true,
+  "v-if" => "list.id == 'blank'" }
+  .board-blank-state
+    %p
+      Add the following default lists to your Issue Board with one click:
+    %ul.board-blank-state-list
+      %li{ "v-for" => "label in predefinedLabels" }
+        %span.label-color{ ":style" =>  "{ backgroundColor: label.color } " }
+        {{ label.title }}
+    %p
+      Starting out with the default set of lists will get you right on the way to making the most of your board.
+    %button.btn.btn-create.btn-inverted.btn-block{ type: "button", "@click.stop" => "addDefaultLists" }
+      Add default lists
+    %button.btn.btn-default.btn-block{ type: "button", "@click.stop" => "clearBlankState" }
+      Nevermind, I'll use my own

app/views/projects/boards/components/_board.html.haml

+%board{ "inline-template" => true,
+  "v-cloak" => true,
+  "v-for" => "list in state.lists | orderBy 'position'",
+  "v-ref:board" => true,
+  ":list" => "list",
+  ":disabled" => "disabled",
+  ":issue-link-base" => "issueLinkBase",
+  "track-by" => "_uid" }
+  .board{ ":class" => "{ 'is-draggable': !list.preset }",
+    ":data-id" => "list.id" }
+    .board-inner
+      %header.board-header{ ":class" => "{ 'has-border': list.label }", ":style" => "{ borderTopColor: (list.label ? list.label.color : null) }" }
+        %h3.board-title.js-board-handle{ ":class" => "{ 'user-can-drag': (!disabled && !list.preset) }" }
+          = icon("align-justify", class: "board-mobile-handle js-board-drag-handle", "v-if" => "(!disabled && !list.preset)")
+          {{ list.title }}
+          %span.pull-right{ "v-if" => "list.type !== 'blank'" }
+            {{ list.issues.length }}
+          - if can?(current_user, :admin_list, @project)
+            %board-delete{ "inline-template" => true,
+              ":list" => "list",
+              "v-if" => "!list.preset && list.id" }
+              %button.board-delete.has-tooltip.pull-right{ type: "button", title: "Delete list", "aria-label" => "Delete list", data: { placement: "bottom" }, "@click.stop" => "deleteBoard" }
+                = icon("trash")
+          = icon("spinner spin", class: "board-header-loading-spinner pull-right", "v-show" => "list.loadingMore")
+      .board-inner-container.board-search-container{ "v-if" => "list.canSearch()" }
+        %input.form-control{ type: "text", placeholder: "Search issues", "v-model" => "query", "debounce" => "250" }
+        = icon("search", class: "board-search-icon", "v-show" => "!query")
+        %button.board-search-clear-btn{ type: "button", role: "button", "aria-label" => "Clear search", "@click" => "query = ''", "v-show" => "query" }
+          = icon("times", class: "board-search-clear")
+      %board-list{ "inline-template" => true,
+        "v-if" => "list.type !== 'blank'",
+        ":list" => "list",
+        ":issues" => "list.issues",
+        ":loading" => "list.loading",
+        ":disabled" => "disabled",
+        ":issue-link-base" => "issueLinkBase" }
+        .board-list-loading.text-center{ "v-if" => "loading" }
+          = icon("spinner spin")
+        %ul.board-list{ "v-el:list" => true,
+          "v-show" => "!loading",
+          ":data-board" => "list.id" }
+          = render "projects/boards/components/card"
+      - if can?(current_user, :admin_list, @project)
+        = render "projects/boards/components/blank_state"

app/views/projects/boards/components/_card.html.haml

+%board-card{ "inline-template" => true,
+  "v-for" => "issue in issues | orderBy 'priority'",
+  "v-ref:issue" => true,
+  ":index" => "$index",
+  ":list" => "list",
+  ":issue" => "issue",
+  ":issue-link-base" => "issueLinkBase",
+  ":disabled" => "disabled",
+  "track-by" => "id" }
+  %li.card{ ":class" => "{ 'user-can-drag': !disabled }",
+    ":index" => "index" }
+    = icon("align-justify", class: "board-mobile-handle js-card-drag-handle", "v-if" => "!disabled")
+    %h4.card-title
+      = icon("eye-slash", class: "confidential-icon", "v-if" => "issue.confidential")
+      %a{ ":href" => "issueLinkBase + '/' + issue.id",
+        ":title" => "issue.title" }
+        {{ issue.title }}
+    .card-footer
+      %span.card-number
+        = precede '#' do
+          {{ issue.id }}
+      %button.label.color-label.has-tooltip{ "v-for" => "label in issue.labels",
+        type: "button",
+        "v-if" => "(!list.label || label.id !== list.label.id)",
+        "@click" => "filterByLabel(label, $event)",
+        ":style" => "{ backgroundColor: label.color, color: label.textColor }",
+        ":title" => "label.description",
+        data: { container: 'body' } }
+        {{ label.title }}
+      %a.has-tooltip{ ":href" => "'/u/' + issue.assignee.username",
+        ":title" => "'Assigned to ' + issue.assignee.name",
+        "v-if" => "issue.assignee",
+        data: { container: 'body' } }
+        %img.avatar.avatar-inline.s20{ ":src" => "issue.assignee.avatar", width: 20, height: 20 }

app/views/projects/boards/show.html.haml

+- @no_container = true
+- @content_class = "issue-boards-content"
+- page_title "Boards"
+
+- content_for :page_specific_javascripts do
+  = page_specific_javascript_tag('boards/boards_bundle.js')
+  = page_specific_javascript_tag('boards/test_utils/simulate_drag.js') if Rails.env.test?
+
+= render "projects/issues/head"
+
+= render 'shared/issuable/filter', type: :boards
+
+.boards-list#board-app{ "v-cloak" => true,
+  "data-endpoint" => "#{namespace_project_board_path(@project.namespace, @project)}",
+  "data-disabled" => "#{!can?(current_user, :admin_list, @project)}",
+  "data-issue-link-base" => "#{namespace_project_issues_path(@project.namespace, @project)}" }
+  .boards-app-loading.text-center{ "v-if" => "loading" }
+    = icon("spinner spin")
+  = render "projects/boards/components/board"

app/views/projects/builds/_sidebar.html.haml

@@ -11,6 +11,41 @@
       %p.build-detail-row
         #{@build.coverage}%
 
+  - builds = @build.pipeline.builds.latest.to_a
+  - statuses = ["failed", "pending", "running", "canceled", "success", "skipped"]
+  - if builds.size > 1
+    .dropdown.build-dropdown
+      .build-light-text Stage
+      %button.dropdown-menu-toggle{type: 'button', 'data-toggle' => 'dropdown'}
+        %span.stage-selection More
+        = icon('caret-down')
+      %ul.dropdown-menu
+        - builds.map(&:stage).uniq.each do |stage|
+          %li
+            %a.stage-item= stage
+
+    .builds-container
+      - statuses.each do |build_status|
+        - builds.select{|build| build.status == build_status}.each do |build|
+          .build-job{class: ('active' if build == @build), data: {stage: build.stage}}
+            = link_to namespace_project_build_path(@project.namespace, @project, build) do
+              = icon('check')
+              = ci_icon_for_status(build.status)
+              %span
+                - if build.name
+                  = build.name
+                - else
+                  = build.id
+
+        - if @build.retried?
+          %li.active
+            %a
+              Build ##{@build.id}
+              ·
+              %i.fa.fa-warning
+              This build was retried.
+
+  .blocks-container
     - if can?(current_user, :read_build, @project) && (@build.artifacts? || @build.artifacts_expired?)
       .block{ class: ("block-first" if !@build.coverage) }
         .title

app/views/projects/builds/show.html.haml

@@ -5,26 +5,6 @@
 .build-page
   = render "header"
 
-  - builds = @build.pipeline.builds.latest.to_a
-  - if builds.size > 1
-    %ul.nav-links.no-top.no-bottom
-      - builds.each do |build|
-        %li{class: ('active' if build == @build) }
-          = link_to namespace_project_build_path(@project.namespace, @project, build) do
-            = ci_icon_for_status(build.status)
-            %span
-              - if build.name
-                = build.name
-              - else
-                = build.id
-
-      - if @build.retried?
-        %li.active
-          %a
-            Build ##{@build.id}
-            ·
-            %i.fa.fa-warning
-            This build was retried.
   - if @build.stuck?
     - unless @build.any_runners_online?
       .bs-callout.bs-callout-warning
@@ -67,4 +47,10 @@
 = render "sidebar"
 
 :javascript
-  new Build("#{namespace_project_build_url(@project.namespace, @project, @build)}", "#{namespace_project_build_url(@project.namespace, @project, @build, :json)}", "#{@build.status}", "#{trace_with_state[:state]}")
+  new Build({
+    page_url: "#{namespace_project_build_url(@project.namespace, @project, @build)}",
+    build_url: "#{namespace_project_build_url(@project.namespace, @project, @build, :json)}",
+    build_status: "#{@build.status}",
+    build_stage: "#{@build.stage}",
+    state1: "#{trace_with_state[:state]}"
+  })

app/views/projects/buttons/_star.html.haml

 - if current_user
   = link_to toggle_star_namespace_project_path(@project.namespace, @project), { class: 'btn star-btn toggle-star has-tooltip', method: :post, remote: true, title: current_user.starred?(@project) ? 'Unstar project' : 'Star project' } do
     - if current_user.starred?(@project)
-      = icon('star fw')
+      = icon('star')
       %span.starred Unstar
     - else
-      = icon('star-o fw')
+      = icon('star-o')
       %span Star
   %div.count-with-arrow
     %span.arrow
@@ -13,7 +13,7 @@
 
 - else
   = link_to new_user_session_path, class: 'btn has-tooltip star-btn', title: 'You must sign in to star a project' do
-    = icon('star fw')
+    = icon('star')
     Star
   %div.count-with-arrow
     %span.arrow

app/views/projects/ci/builds/_build_pipeline.html.haml

+- is_playable = subject.playable? && can?(current_user, :update_build, @project)
+%li.build{class: ("playable" if is_playable)}
+  .build-content
+    - if is_playable
+      = link_to play_namespace_project_build_path(subject.project.namespace, subject.project, subject, return_to: request.original_url), method: :post, title: 'Play' do
+        = render_status_with_link('build', 'play')
+        = subject.name
+    - elsif can?(current_user, :read_build, @project)
+      = link_to namespace_project_build_path(subject.project.namespace, subject.project, subject) do
+        = render_status_with_link('build', subject.status)
+        = subject.name
+    - else
+      = render_status_with_link('build', subject.status)
+      = ci_icon_for_status(subject.status)

app/views/projects/ci/pipelines/_pipeline.html.haml

@@ -2,14 +2,16 @@
 %tr.commit
   %td.commit-link
     = link_to namespace_project_pipeline_path(@project.namespace, @project, pipeline.id) do
+      - if defined?(status_icon_only) && status_icon_only
+        = ci_icon_for_status(status)
+      - else
         = ci_status_with_icon(status)
-
-
   %td
     .branch-commit
       = link_to namespace_project_pipeline_path(@project.namespace, @project, pipeline.id) do
         %span ##{pipeline.id}
       - if pipeline.ref
+        - unless defined?(hide_branch) && hide_branch
           .icon-container
             = pipeline.tag? ? icon('tag') : icon('code-fork')
           = link_to pipeline.ref, namespace_project_commits_path(@project.namespace, @project, pipeline.ref), class: "monospace branch-name"
@@ -53,7 +55,7 @@
     - if pipeline.finished_at
       %p.finished-at
         = icon("calendar")
-        #{time_ago_with_tooltip(pipeline.finished_at, short_format: true, skip_js: true)}
+        #{time_ago_with_tooltip(pipeline.finished_at, short_format: false, skip_js: true)}
 
   %td.pipeline-actions
     .controls.hidden-xs.pull-right

app/views/projects/commit/_pipeline.html.haml

-.row-content-block.build-content.middle-block
+.row-content-block.build-content.middle-block.pipeline-actions
   .pull-right
+    .btn.btn-grouped.btn-white.toggle-pipeline-btn
+      %span.toggle-btn-text Hide
+      %span pipeline graph
+      %span.caret
     - if can?(current_user, :update_pipeline, pipeline.project)
       - if pipeline.builds.latest.failed.any?(&:retryable?)
         = link_to "Retry failed", retry_namespace_project_pipeline_path(pipeline.project.namespace, pipeline.project, pipeline.id), class: 'btn btn-grouped btn-primary', method: :post
@@ -23,6 +27,22 @@
         in
         = time_interval_in_words pipeline.duration
 
+.row-content-block.build-content.middle-block.pipeline-graph
+  .pipeline-visualization
+    %ul.stage-column-list
+      - stages = pipeline.stages_with_latest_statuses
+      - stages.each do |stage, statuses|
+        %li.stage-column
+          .stage-name
+            %a{name: stage}
+            - if stage
+              = stage.titleize
+          .builds-container
+            %ul
+              - statuses.each do |status|
+                = render "projects/#{status.to_partial_path}_pipeline", subject: status
+
+
 - if pipeline.yaml_errors.present?
   .bs-callout.bs-callout-danger
     %h4 Found errors in your .gitlab-ci.yml: