Adds --force option to push branches.

CHANGELOG

+v5.9.1
+  - Adds --force option to push branches
+
 v5.9.0
   - Support new /internal/pre-receive API endpoint for post-receive operations
   - Support new /internal/post-receive API endpoint for post-receive operations

lib/gitlab_projects.rb

@@ -116,8 +116,13 @@ class GitlabProjects
     # timeout for push
     timeout = (ARGV.shift || 120).to_i
 
+    # push with --force?
+    forced = ARGV.delete('--force') if ARGV.include?('--force')
+
     $logger.info "Pushing branches from #{full_path} to remote #{remote_name}: #{ARGV}"
-    cmd = %W(git --git-dir=#{full_path} push -- #{remote_name}).concat(ARGV)
+    cmd = %W(git --git-dir=#{full_path} push)
+    cmd << forced if forced
+    cmd += %W(-- #{remote_name}).concat(ARGV)
     pid = Process.spawn(*cmd)
 
     begin

spec/gitlab_projects_spec.rb

@@ -313,6 +313,18 @@ describe GitlabProjects do
 
       expect(gl_projects.exec).to be false
     end
+
+    context 'with --force' do
+      let(:cmd) { %W(git --git-dir=#{full_path} push --force -- #{remote_name} #{branch_name}) }
+      let(:gl_projects) { build_gitlab_projects('push-branches', repos_path, project_name, remote_name, '600', '--force', 'master') }
+
+      it 'executes the command' do
+        expect(Process).to receive(:spawn).with(*cmd).and_return(pid)
+        expect(Process).to receive(:wait).with(pid)
+
+        expect(gl_projects.exec).to be true
+      end
+    end
   end
 
   describe :fetch_remote do