Add added, modified and removed properties to commit object in webhook

CHANGELOG

@@ -17,6 +17,7 @@ v 8.2.0 (unreleased)
   - Remove deprecated CI events from project settings page
   - Use issue editor as cross reference comment author when issue is edited with a new mention.
   - [API] Add ability to fetch the commit ID of the last commit that actually touched a file
+  - Add "added", "modified" and "removed" properties to commit object in webhook
 v 8.1.1
   - Fix cloning Wiki repositories via HTTP (Stan Hu)

doc/web_hooks/web_hooks.md

@@ -69,7 +69,10 @@ X-Gitlab-Event: Push Hook
       }
     }
   ],
-  "total_commits_count": 4
+  "total_commits_count": 4,
+  "added": ["CHANGELOG"],
+  "modified": ["app/controller/application.rb"],
+  "removed": []
 }
 ```

lib/gitlab/push_data_builder.rb

@@ -18,7 +18,10 @@ module Gitlab
       #     homepage: String,
       #   },
       #   commits: Array,
-      #   total_commits_count: Fixnum
+      #   total_commits_count: Fixnum,
+      #   added: ["CHANGELOG"],
+      #   modified: [],
+      #   removed: ["tmp/file.txt"]
       # }
       #
       def build(project, user, oldrev, newrev, ref, commits = [], message = nil)
@@ -33,6 +36,8 @@ module Gitlab
         commit_attrs = commits_limited.map(&:hook_attrs)
         type = Gitlab::Git.tag_ref?(ref) ? "tag_push" : "push"
+
+        repo_changes = repo_changes(project, newrev, oldrev)
         # Hash to be passed as post_receive_data
         data = {
           object_kind: type,
@@ -55,7 +60,10 @@ module Gitlab
             visibility_level: project.visibility_level
           },
           commits: commit_attrs,
-          total_commits_count: commits_count
+          total_commits_count: commits_count,
+          added: repo_changes[:added],
+          modified: repo_changes[:modified],
+          removed: repo_changes[:removed]
         }
         data
@@ -86,6 +94,27 @@ module Gitlab
           newrev
         end
       end
+
+      def repo_changes(project, newrev, oldrev)
+        changes = { added: [], modified: [], removed: [] }
+        compare_result = CompareService.new.
+          execute(project, newrev, project, oldrev)
+
+        if compare_result
+          compare_result.diffs.each do |diff|
+            case true
+            when diff.deleted_file
+              changes[:removed] << diff.old_path
+            when diff.renamed_file, diff.new_file
+              changes[:added] << diff.new_path
+            else
+              changes[:modified] << diff.new_path
+            end
+          end
+        end
+
+        changes
+      end
     end
   end
 end

spec/lib/gitlab/push_data_builder_spec.rb

@@ -17,6 +17,9 @@ describe 'Gitlab::PushDataBuilder' do
     it { expect(data[:repository][:git_ssh_url]).to eq(project.ssh_url_to_repo) }
     it { expect(data[:repository][:visibility_level]).to eq(project.visibility_level) }
     it { expect(data[:total_commits_count]).to eq(3) }
+    it { expect(data[:added]).to eq(["gitlab-grack"]) }
+    it { expect(data[:modified]).to eq([".gitmodules", "files/ruby/popen.rb", "files/ruby/regex.rb"]) }
+    it { expect(data[:removed]).to eq([]) }
   end
   describe :build do
@@ -35,5 +38,8 @@ describe 'Gitlab::PushDataBuilder' do
     it { expect(data[:ref]).to eq('refs/tags/v1.1.0') }
     it { expect(data[:commits]).to be_empty }
     it { expect(data[:total_commits_count]).to be_zero }
+    it { expect(data[:added]).to eq([]) }
+    it { expect(data[:modified]).to eq([]) }
+    it { expect(data[:removed]).to eq([]) }
   end
 end