Fixing #65389

Wrong format on MS Teams integration push events with multi line commit messages

app/models/project_services/chat_message/base_message.rb

@@ -10,6 +10,7 @@ module ChatMessage
     attr_reader :user_avatar
     attr_reader :project_name
     attr_reader :project_url
+    attr_reader :commit_message_html
     def initialize(params)
       @markdown = params[:markdown] || false
@@ -18,6 +19,7 @@ module ChatMessage
       @user_full_name = params.dig(:user, :name) || params[:user_full_name]
       @user_name = params.dig(:user, :username) || params[:user_name]
       @user_avatar = params.dig(:user, :avatar_url) || params[:user_avatar]
+      @commit_message_html = params[:commit_message_html] || false
     end
     def user_combined_name

app/models/project_services/chat_message/push_message.rb

@@ -52,7 +52,8 @@ module ChatMessage
     end
     def commit_messages
-      commits.map { |commit| compose_commit_message(commit) }.join("\n\n")
+      linebreak_chars = commit_message_html ? "<br/>\n<br/>\n" : "\n\n"
+      commits.map { |commit| compose_commit_message(commit) }.join(linebreak_chars)
     end
     def commit_message_attachments
@@ -63,6 +64,11 @@ module ChatMessage
       author = commit[:author][:name]
       id = Commit.truncate_sha(commit[:id])
       message = commit[:message]
+
+      if commit_message_html
+        message = message.gsub(Gitlab::Regex.breakline_regex, "<br/>\n")
+      end
+
       url = commit[:url]
       "[#{id}](#{url}): #{message} - #{author}"

app/models/project_services/microsoft_teams_service.rb

@@ -58,6 +58,6 @@ class MicrosoftTeamsService < ChatNotificationService
   end
   def custom_data(data)
-    super(data).merge(markdown: true)
+    super(data).merge(markdown: true, commit_message_html: true)
   end
 end

changelogs/unreleased/65389-wrong-format-on-ms-teams-integration-push-events-with-multi-line-commit-messages.yml

+---
+title: Wrong format on MS teams integration push events with multi line commit messages
+merge_request: 32180
+author: Massimeddu Cireddu
+type: fixed

lib/gitlab/diff/suggestion.rb

@@ -46,7 +46,7 @@ module Gitlab
       private
       def line_break_chars(line)
-        match = /\r\n|\r|\n/.match(line)
+        match = Gitlab::Regex.breakline_regex.match(line)
         match[0] if match
       end
     end

lib/gitlab/regex.rb

@@ -115,5 +115,9 @@ module Gitlab
     def jira_transition_id_regex
       @jira_transition_id_regex ||= /\d+/
     end
+
+    def breakline_regex
+      @breakline_regex ||= /\r\n|\r|\n/
+    end
   end
 end

spec/models/project_services/chat_message/push_message_spec.rb

@@ -23,7 +23,7 @@ describe ChatMessage::PushMessage do
     before do
       args[:commits] = [
         { message: 'message1', url: 'http://url1.com', id: 'abcdefghijkl', author: { name: 'author1' } },
-        { message: 'message2', url: 'http://url2.com', id: '123456789012', author: { name: 'author2' } }
+        { message: "message2\nsecondline", url: 'http://url2.com', id: '123456789012', author: { name: 'author2' } }
       ]
     end
@@ -34,7 +34,7 @@ describe ChatMessage::PushMessage do
             '<http://url.com|project_name> (<http://url.com/compare/before...after|Compare changes>)')
         expect(subject.attachments).to eq([{
           text: "<http://url1.com|abcdefgh>: message1 - author1\n\n"\
-            "<http://url2.com|12345678>: message2 - author2",
+            "<http://url2.com|12345678>: message2\nsecondline - author2",
           color: color
         }])
       end
@@ -49,7 +49,27 @@ describe ChatMessage::PushMessage do
         expect(subject.pretext).to eq(
           'test.user pushed to branch [master](http://url.com/commits/master) of [project_name](http://url.com) ([Compare changes](http://url.com/compare/before...after))')
         expect(subject.attachments).to eq(
-          "[abcdefgh](http://url1.com): message1 - author1\n\n[12345678](http://url2.com): message2 - author2")
+          "[abcdefgh](http://url1.com): message1 - author1\n\n[12345678](http://url2.com): message2\nsecondline - author2")
+        expect(subject.activity).to eq(
+          title: 'test.user pushed to branch [master](http://url.com/commits/master)',
+          subtitle: 'in [project_name](http://url.com)',
+          text: '[Compare changes](http://url.com/compare/before...after)',
+          image: 'http://someavatar.com'
+        )
+      end
+    end
+
+    context 'with markdown and commit message html' do
+      before do
+        args[:commit_message_html] = true
+        args[:markdown] = true
+      end
+
+      it 'returns a message regarding pushes' do
+        expect(subject.pretext).to eq(
+          'test.user pushed to branch [master](http://url.com/commits/master) of [project_name](http://url.com) ([Compare changes](http://url.com/compare/before...after))')
+        expect(subject.attachments).to eq(
+          "[abcdefgh](http://url1.com): message1 - author1<br/>\n<br/>\n[12345678](http://url2.com): message2<br/>\nsecondline - author2")
         expect(subject.activity).to eq(
           title: 'test.user pushed to branch [master](http://url.com/commits/master)',
           subtitle: 'in [project_name](http://url.com)',