Merge branch 'google-code-fixes' into 'master'

Fix some issues with Google Code importer

Thanks, @mrtux, for reporting all of these.

See merge request !551

app/controllers/import/google_code_controller.rb

@@ -68,7 +68,7 @@ class Import::GoogleCodeController < Import::BaseController
 
   def status
     unless client.valid?
-      return redirect_to new_import_google_path 
+      return redirect_to new_import_google_code_path 
     end
 
     @repos = client.repos

app/views/import/google_code/new_user_map.html.haml

@@ -8,9 +8,31 @@
     Customize how Google Code email addresses and usernames are imported into GitLab.
     In the next step, you'll be able to select the projects you want to import.
   %p 
-    The user map is a JSON document mapping Google Code users (as keys) to the way they will be imported into GitLab (as values). By default the username is masked to ensure users' privacy.
-  %p
-    To map a Google Code user to a full name or GitLab user, simply replace the value, e.g. <code>"johnsmith@gmail.com": "John Smith"</code> or <code>"johnsmith@gmail.com": "@johnsmith"</code>. Be sure to preserve the surrounding double quotes and other punctuation.
+    The user map is a JSON document mapping the Google Code users that participated on your projects to the way their email addresses and usernames will be imported into GitLab. You can change this by changing the value on the right hand side of <code>:</code>. Be sure to preserve the surrounding double quotes, other punctuation and the email address or username on the left hand side.
+  %ul
+    %li
+      %strong Default: Directly import the Google Code email address or username
+      %p
+        <code>"johnsmith@example.com": "johnsm...@example.com"</code> 
+        will add "By johnsm...@example.com" to all issues and comments originally created by johnsmith@example.com. 
+        The email address or username is masked to ensure the user's privacy.
+    %li
+      %strong Map a Google Code user to a GitLab user
+      %p
+        <code>"johnsmith@example.com": "@johnsmith"</code> 
+        will add "By <a href="#">@johnsmith</a>" to all issues and comments originally created by johnsmith@example.com, 
+        and will set <a href="#">@johnsmith</a> as the assignee on all issues originally assigned to johnsmith@example.com.
+    %li
+      %strong Map a Google Code user to a full name
+      %p
+        <code>"johnsmith@example.com": "John Smith"</code> 
+        will add "By John Smith" to all issues and comments originally created by johnsmith@example.com.
+    %li
+      %strong Map a Google Code user to a full email address
+      %p
+        <code>"johnsmith@example.com": "johnsmith@example.com"</code> 
+        will add "By <a href="#">johnsmith@example.com</a>" to all issues and comments originally created by johnsmith@example.com. 
+        By default, the email address or username is masked to ensure the user's privacy. Use this option if you want to show the full email address.
 
   .form-group
     .col-sm-12

lib/gitlab/google_code_import/importer.rb

@@ -30,7 +30,10 @@ module Gitlab
 
       def user_map
         @user_map ||= begin
-          user_map = Hash.new { |hash, user| Client.mask_email(user) }
+          user_map = Hash.new do |hash, user| 
+            # Replace ... by \.\.\., so `johnsm...@gmail.com` isn't autolinked.
+            Client.mask_email(user).sub("...", "\\.\\.\\.")
+          end
 
           import_data = project.import_data.try(:data)
           stored_user_map = import_data["user_map"] if import_data
@@ -203,25 +206,25 @@ module Gitlab
       end
 
       def linkify_issues(s)
-        s.gsub(/([Ii]ssue) ([0-9]+)/, '\1 #\2')
+        s = s.gsub(/([Ii]ssue) ([0-9]+)/, '\1 #\2')
+        s = s.gsub(/([Cc]omment) #([0-9]+)/, '\1 \2')
+        s
       end
 
       def escape_for_markdown(s)
-        s = s.gsub("*", "\\*")
-        s = s.gsub("#", "\\#")
+        # No headings and lists
+        s = s.gsub(/^#/, "\\#")
+        s = s.gsub(/^-/, "\\-")
+
+        # No inline code
         s = s.gsub("`", "\\`")
-        s = s.gsub(":", "\\:")
-        s = s.gsub("-", "\\-")
-        s = s.gsub("+", "\\+")
-        s = s.gsub("_", "\\_")
-        s = s.gsub("(", "\\(")
-        s = s.gsub(")", "\\)")
-        s = s.gsub("[", "\\[")
-        s = s.gsub("]", "\\]")
-        s = s.gsub("<", "\\<")
-        s = s.gsub(">", "\\>")
+
+        # Carriage returns make me sad
         s = s.gsub("\r", "")
+
+        # Markdown ignores single newlines, but we need them as <br />.
         s = s.gsub("\n", "  \n")
+
         s
       end
 
@@ -276,11 +279,18 @@ module Gitlab
         if raw_updates.has_key?("blockedOn")
           blocked_ons = raw_updates["blockedOn"].map do |raw_blocked_on|
             name, id = raw_blocked_on.split(":", 2)
-            if name == project.import_source
-              "##{id}"
-            else
-              "#{project.namespace.path}/#{name}##{id}"
-            end
+
+            deleted = name.start_with?("-") 
+            name = name[1..-1] if deleted
+
+            text =
+              if name == project.import_source
+                "##{id}"
+              else
+                "#{project.namespace.path}/#{name}##{id}"
+              end
+            text = "~~#{text}~~" if deleted
+            text
           end
           updates << "*Blocked on: #{blocked_ons.join(", ")}*"
         end
@@ -288,11 +298,18 @@ module Gitlab
         if raw_updates.has_key?("blocking")
           blockings = raw_updates["blocking"].map do |raw_blocked_on|
             name, id = raw_blocked_on.split(":", 2)
-            if name == project.import_source
-              "##{id}"
-            else
-              "#{project.namespace.path}/#{name}##{id}"
-            end
+            
+            deleted = name.start_with?("-") 
+            name = name[1..-1] if deleted
+
+            text =
+              if name == project.import_source
+                "##{id}"
+              else
+                "#{project.namespace.path}/#{name}##{id}"
+              end
+            text = "~~#{text}~~" if deleted
+            text
           end
           updates << "*Blocking: #{blockings.join(", ")}*"
         end
@@ -340,7 +357,7 @@ module Gitlab
 
       def format_issue_body(author, date, content, attachments)
         body = []
-        body << "*By #{author} on #{date}*"
+        body << "*By #{author} on #{date} (imported from Google Code)*"
         body << "---"
 
         if content.blank?

spec/lib/gitlab/google_code_import/importer_spec.rb

@@ -57,10 +57,11 @@ describe Gitlab::GoogleCodeImport::Importer do
       expect(issue.label_names).to include("Type: Enhancement")
       expect(issue.title).to eq("Scrolling through tasks")
       expect(issue.state).to eq("closed")
-      expect(issue.description).to include("schattenpr...")
+      expect(issue.description).to include("schattenpr\\.\\.\\.")
       expect(issue.description).to include("November 18, 2009 00:20")
-      expect(issue.description).to include('I like to scroll through the tasks with my scrollwheel \(like in fluxbox\).')
-      expect(issue.description).to include('Patch is attached that adds two new mouse\-actions \(next\_taskprev\_task\)')
+      expect(issue.description).to include("Google Code")
+      expect(issue.description).to include('I like to scroll through the tasks with my scrollwheel (like in fluxbox).')
+      expect(issue.description).to include('Patch is attached that adds two new mouse-actions (next_task+prev_task)')
       expect(issue.description).to include('that can be used for exactly that purpose.')
       expect(issue.description).to include('all the best!')
       expect(issue.description).to include('[tint2_task_scrolling.diff](https://storage.googleapis.com/google-code-attachments/tint2/issue-169/comment-0/tint2_task_scrolling.diff)')