IDE sends last commit ID when committing changes

Closes #46192

app/assets/javascripts/ide/stores/modules/commit/actions.js

@@ -49,31 +49,6 @@ export const setLastCommitMessage = ({ rootState, commit }, data) => {
   commit(rootTypes.SET_LAST_COMMIT_MSG, commitMsg, { root: true });
 };
 
-export const checkCommitStatus = ({ rootState }) =>
-  service
-    .getBranchData(rootState.currentProjectId, rootState.currentBranchId)
-    .then(({ data }) => {
-      const { id } = data.commit;
-      const selectedBranch =
-        rootState.projects[rootState.currentProjectId].branches[rootState.currentBranchId];
-
-      if (selectedBranch.workingReference !== id) {
-        return true;
-      }
-
-      return false;
-    })
-    .catch(() =>
-      flash(
-        __('Error checking branch data. Please try again.'),
-        'alert',
-        document,
-        null,
-        false,
-        true,
-      ),
-    );
-
 export const updateFilesAfterCommit = ({ commit, dispatch, rootState }, { data }) => {
   const selectedProject = rootState.projects[rootState.currentProjectId];
   const lastCommit = {
@@ -128,24 +103,17 @@ export const updateFilesAfterCommit = ({ commit, dispatch, rootState }, { data }
 
 export const commitChanges = ({ commit, state, getters, dispatch, rootState, rootGetters }) => {
   const newBranch = state.commitAction !== consts.COMMIT_TO_CURRENT_BRANCH;
-  const payload = createCommitPayload(getters.branchName, newBranch, state, rootState);
-  const getCommitStatus = newBranch ? Promise.resolve(false) : dispatch('checkCommitStatus');
+  const payload = createCommitPayload({
+    branch: getters.branchName,
+    newBranch,
+    state,
+    rootState,
+  });
 
   commit(types.UPDATE_LOADING, true);
 
-  return getCommitStatus
-    .then(
-      branchChanged =>
-        new Promise(resolve => {
-          if (branchChanged) {
-            // show the modal with a Bootstrap call
-            $('#ide-create-branch-modal').modal('show');
-          } else {
-            resolve();
-          }
-        }),
-    )
-    .then(() => service.commit(rootState.currentProjectId, payload))
+  return service
+    .commit(rootState.currentProjectId, payload)
     .then(({ data }) => {
       commit(types.UPDATE_LOADING, false);
 
@@ -220,12 +188,16 @@ export const commitChanges = ({ commit, state, getters, dispatch, rootState, roo
         );
     })
     .catch(err => {
-      let errMsg = __('Error committing changes. Please try again.');
-      if (err.response.data && err.response.data.message) {
-        errMsg += ` (${stripHtml(err.response.data.message)})`;
+      if (err.response.status === 400) {
+        $('#ide-create-branch-modal').modal('show');
+      } else {
+        let errMsg = __('Error committing changes. Please try again.');
+        if (err.response.data && err.response.data.message) {
+          errMsg += ` (${stripHtml(err.response.data.message)})`;
+        }
+        flash(errMsg, 'alert', document, null, false, true);
+        window.dispatchEvent(new Event('resize'));
       }
-      flash(errMsg, 'alert', document, null, false, true);
-      window.dispatchEvent(new Event('resize'));
 
       commit(types.UPDATE_LOADING, false);
     });

app/assets/javascripts/ide/stores/mutations/file.js

@@ -47,6 +47,7 @@ export default {
       baseRaw: null,
       html: data.html,
       size: data.size,
+      lastCommit: data.last_commit,
     });
   },
   [types.SET_FILE_RAW_DATA](state, { file, raw }) {

app/assets/javascripts/ide/stores/utils.js

@@ -104,7 +104,7 @@ export const setPageTitle = title => {
   document.title = title;
 };
 
-export const createCommitPayload = (branch, newBranch, state, rootState) => ({
+export const createCommitPayload = ({ branch, newBranch, state, rootState }) => ({
   branch,
   commit_message: state.commitMessage,
   actions: rootState.stagedFiles.map(f => ({
@@ -112,6 +112,7 @@ export const createCommitPayload = (branch, newBranch, state, rootState) => ({
     file_path: f.path,
     content: f.content,
     encoding: f.base64 ? 'base64' : 'text',
+    last_commit_id: newBranch ? undefined : f.lastCommit.id,
   })),
   start_branch: newBranch ? rootState.currentBranchId : undefined,
 });

app/controllers/projects/blob_controller.rb

@@ -200,6 +200,7 @@ class Projects::BlobController < Projects::ApplicationController
     path_segments = @path.split('/')
     path_segments.pop
     tree_path = path_segments.join('/')
+    last_commit = @repository.last_commit_for_path(@commit.id, @blob.path)
 
     json = {
       id: @blob.id,
@@ -217,6 +218,7 @@ class Projects::BlobController < Projects::ApplicationController
       blame_path: project_blame_path(project, @id),
       commits_path: project_commits_path(project, @id),
       tree_path: project_tree_path(project, File.join(@ref, tree_path)),
+      last_commit: last_commit,
       permalink: project_blob_path(project, File.join(@commit.id, @path))
     }
 

spec/javascripts/ide/stores/modules/commit/actions_spec.js

@@ -108,77 +108,6 @@ describe('IDE commit module actions', () => {
     });
   });
 
-  describe('checkCommitStatus', () => {
-    beforeEach(() => {
-      store.state.currentProjectId = 'abcproject';
-      store.state.currentBranchId = 'master';
-      store.state.projects.abcproject = {
-        branches: {
-          master: {
-            workingReference: '1',
-          },
-        },
-      };
-    });
-
-    it('calls service', done => {
-      spyOn(service, 'getBranchData').and.returnValue(
-        Promise.resolve({
-          data: {
-            commit: { id: '123' },
-          },
-        }),
-      );
-
-      store
-        .dispatch('commit/checkCommitStatus')
-        .then(() => {
-          expect(service.getBranchData).toHaveBeenCalledWith('abcproject', 'master');
-
-          done();
-        })
-        .catch(done.fail);
-    });
-
-    it('returns true if current ref does not equal returned ID', done => {
-      spyOn(service, 'getBranchData').and.returnValue(
-        Promise.resolve({
-          data: {
-            commit: { id: '123' },
-          },
-        }),
-      );
-
-      store
-        .dispatch('commit/checkCommitStatus')
-        .then(val => {
-          expect(val).toBeTruthy();
-
-          done();
-        })
-        .catch(done.fail);
-    });
-
-    it('returns false if current ref equals returned ID', done => {
-      spyOn(service, 'getBranchData').and.returnValue(
-        Promise.resolve({
-          data: {
-            commit: { id: '1' },
-          },
-        }),
-      );
-
-      store
-        .dispatch('commit/checkCommitStatus')
-        .then(val => {
-          expect(val).toBeFalsy();
-
-          done();
-        })
-        .catch(done.fail);
-    });
-  });
-
   describe('updateFilesAfterCommit', () => {
     const data = {
       id: '123',
@@ -314,6 +243,9 @@ describe('IDE commit module actions', () => {
         ...file('changed'),
         type: 'blob',
         active: true,
+        lastCommit: {
+          id: '123456789',
+        },
       };
       store.state.stagedFiles.push(f);
       store.state.changedFiles = [
@@ -366,6 +298,7 @@ describe('IDE commit module actions', () => {
                   file_path: jasmine.anything(),
                   content: jasmine.anything(),
                   encoding: jasmine.anything(),
+                  last_commit_id: undefined,
                 },
               ],
               start_branch: 'master',
@@ -376,6 +309,32 @@ describe('IDE commit module actions', () => {
           .catch(done.fail);
       });
 
+      it('sends lastCommit ID when not creating new branch', done => {
+        store.state.commit.commitAction = '1';
+
+        store
+          .dispatch('commit/commitChanges')
+          .then(() => {
+            expect(service.commit).toHaveBeenCalledWith('abcproject', {
+              branch: jasmine.anything(),
+              commit_message: 'testing 123',
+              actions: [
+                {
+                  action: 'update',
+                  file_path: jasmine.anything(),
+                  content: jasmine.anything(),
+                  encoding: jasmine.anything(),
+                  last_commit_id: '123456789',
+                },
+              ],
+              start_branch: undefined,
+            });
+
+            done();
+          })
+          .catch(done.fail);
+      });
+
       it('sets last Commit Msg', done => {
         store
           .dispatch('commit/commitChanges')

spec/javascripts/ide/stores/utils_spec.js

 import * as utils from '~/ide/stores/utils';
+import { file } from '../helpers';
 
 describe('Multi-file store utils', () => {
   describe('setPageTitle', () => {
@@ -63,4 +64,63 @@ describe('Multi-file store utils', () => {
       expect(foundEntry).toBeUndefined();
     });
   });
+
+  describe('createCommitPayload', () => {
+    it('returns API payload', () => {
+      const state = {
+        commitMessage: 'commit message',
+      };
+      const rootState = {
+        stagedFiles: [
+          {
+            ...file('staged'),
+            path: 'staged',
+            content: 'updated file content',
+            lastCommit: {
+              id: '123456789',
+            },
+          },
+          {
+            ...file('newFile'),
+            path: 'added',
+            tempFile: true,
+            content: 'new file content',
+            base64: true,
+            lastCommit: {
+              id: '123456789',
+            },
+          },
+        ],
+        currentBranchId: 'master',
+      };
+      const payload = utils.createCommitPayload({
+        branch: 'master',
+        newBranch: false,
+        state,
+        rootState,
+      });
+
+      expect(payload).toEqual({
+        branch: 'master',
+        commit_message: 'commit message',
+        actions: [
+          {
+            action: 'update',
+            file_path: 'staged',
+            content: 'updated file content',
+            encoding: 'text',
+            last_commit_id: '123456789',
+          },
+          {
+            action: 'create',
+            file_path: 'added',
+            content: 'new file content',
+            encoding: 'base64',
+            last_commit_id: '123456789',
+          },
+        ],
+        start_branch: undefined,
+      });
+    });
+  });
 });