Merge branch 'webhook_payload_with_changes' into 'master'

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

https://gitlab.com/gitlab-org/gitlab-ee/issues/20

See merge request !1988

7 files changed, 58 insertions, 45 deletions

diff --git a/CHANGELOG b/CHANGELOG
index bd795138e86..13207552e8e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -19,6 +19,9 @@ v 8.2.3
   - Fix application settings cache not expiring after changes (Stan Hu)
   - Fix Error 500s when creating global milestones with Unicode characters (Stan Hu)
 
+v 8.2.3
+  - Webhook payload has an added, modified and removed properties for each commit
+
 v 8.2.2
   - Fix 404 in redirection after removing a project (Stan Hu)
   - Ensure cached application settings are refreshed at startup (Stan Hu)
diff --git a/app/models/commit.rb b/app/models/commit.rb
index c0998a45709..8ae5325d16a 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -147,10 +147,10 @@ class Commit
     description.present?
   end
 
-  def hook_attrs
+  def hook_attrs(with_changed_files: false)
     path_with_namespace = project.path_with_namespace
 
-    {
+    data = {
       id: id,
       message: safe_message,
       timestamp: committed_date.xmlschema,
@@ -160,6 +160,12 @@ class Commit
         email: author_email
       }
     }
+
+    if with_changed_files
+      data.merge!(repo_changes)
+    end
+
+    data
   end
 
   # Discover issues should be closed when this commit is pushed to a project's
@@ -208,4 +214,22 @@ class Commit
   def status
     ci_commit.try(:status) || :not_found
   end
+
+  private
+
+  def repo_changes
+    changes = { added: [], modified: [], removed: [] }
+
+    diffs.each do |diff|
+      if diff.deleted_file
+        changes[:removed] << diff.old_path
+      elsif diff.renamed_file || diff.new_file
+        changes[:added] << diff.new_path
+      else
+        changes[:modified] << diff.new_path
+      end
+    end
+
+    changes
+  end
 end
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 2a4aee7e5d9..080b7f7fb88 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -295,7 +295,7 @@ class MergeRequest < ActiveRecord::Base
       work_in_progress: work_in_progress?
     }
 
-    unless last_commit.nil?
+    if last_commit
       attrs.merge!(last_commit: last_commit.hook_attrs)
     end
 
diff --git a/doc/web_hooks/web_hooks.md b/doc/web_hooks/web_hooks.md
index 7d838187a26..03746dd9df3 100644
--- a/doc/web_hooks/web_hooks.md
+++ b/doc/web_hooks/web_hooks.md
@@ -57,6 +57,9 @@ X-Gitlab-Event: Push Hook
         "name": "Jordi Mallach",
         "email": "jordi@softcatala.org"
       }
+      "added": ["CHANGELOG"],
+      "modified": ["app/controller/application.rb"],
+      "removed": []
     },
     {
       "id": "da1560886d4f094c3e6c9ef40349f7d38b5d27d7",
@@ -66,13 +69,14 @@ X-Gitlab-Event: Push Hook
       "author": {
         "name": "GitLab dev user",
         "email": "gitlabdev@dv6700.(none)"
-      }
+      },
+      "added": ["CHANGELOG"],
+      "modified": ["app/controller/application.rb"],
+      "removed": []
     }
   ],
-  "total_commits_count": 4,
-  "added": ["CHANGELOG"],
-  "modified": ["app/controller/application.rb"],
-  "removed": []
+  "total_commits_count": 4
+  
 }
 ```
 
diff --git a/lib/gitlab/push_data_builder.rb b/lib/gitlab/push_data_builder.rb
index fa068d50763..4f9cdef3869 100644
--- a/lib/gitlab/push_data_builder.rb
+++ b/lib/gitlab/push_data_builder.rb
@@ -18,10 +18,7 @@ module Gitlab
       #     homepage: String,
       #   },
       #   commits: Array,
-      #   total_commits_count: Fixnum,
-      #   added: ["CHANGELOG"],
-      #   modified: [],
-      #   removed: ["tmp/file.txt"]
+      #   total_commits_count: Fixnum
       # }
       #
       def build(project, user, oldrev, newrev, ref, commits = [], message = nil)
@@ -33,11 +30,12 @@ module Gitlab
 
         # For performance purposes maximum 20 latest commits
         # will be passed as post receive hook data.
-        commit_attrs = commits_limited.map(&:hook_attrs)
+        commit_attrs = commits_limited.map do |commit|
+          commit.hook_attrs(with_changed_files: true)
+        end
 
         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,
@@ -60,10 +58,7 @@ module Gitlab
             visibility_level: project.visibility_level
           },
           commits: commit_attrs,
-          total_commits_count: commits_count,
-          added: repo_changes[:added],
-          modified: repo_changes[:modified],
-          removed: repo_changes[:removed]
+          total_commits_count: commits_count
         }
 
         data
@@ -94,27 +89,6 @@ 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
diff --git a/spec/lib/gitlab/push_data_builder_spec.rb b/spec/lib/gitlab/push_data_builder_spec.rb
index 02710742625..2170399ab5c 100644
--- a/spec/lib/gitlab/push_data_builder_spec.rb
+++ b/spec/lib/gitlab/push_data_builder_spec.rb
@@ -17,9 +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([]) }
+    it { expect(data[:commits].first[:added]).to eq(["gitlab-grack"]) }
+    it { expect(data[:commits].first[:modified]).to eq([".gitmodules"]) }
+    it { expect(data[:commits].first[:removed]).to eq([]) }
   end
 
   describe :build do
@@ -38,8 +38,5 @@ 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
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index 974b52c1833..38a3dc1f4a6 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -107,4 +107,15 @@ eos
     # Include the subject in the repository stub.
     let(:extra_commits) { [subject] }
   end
+
+  describe '#hook_attrs' do
+    let(:data) { commit.hook_attrs(with_changed_files: true) }
+
+    it { expect(data).to be_a(Hash) }
+    it { expect(data[:message]).to include('Add submodule from gitlab.com') }
+    it { expect(data[:timestamp]).to eq('2014-02-27T11:01:38+02:00') }
+    it { expect(data[:added]).to eq(["gitlab-grack"]) }
+    it { expect(data[:modified]).to eq([".gitmodules"]) }
+    it { expect(data[:removed]).to eq([]) }
+  end
 end