Fix the incorrect value being used to set GL_USERNAME on hooks

lib/gitlab/git/hooks_service.rb

@@ -8,7 +8,7 @@ module Gitlab
       def execute(pusher, repository, oldrev, newrev, ref)
         @repository  = repository
         @gl_id       = pusher.gl_id
-        @gl_username = pusher.name
+        @gl_username = pusher.username
         @oldrev      = oldrev
         @newrev      = newrev
         @ref         = ref

spec/lib/gitlab/git/hooks_service_spec.rb

 require 'spec_helper'
 
 describe Gitlab::Git::HooksService, seed_helper: true do
-  let(:user) { Gitlab::Git::User.new('janedoe', 'Jane Doe', 'janedoe@example.com', 'user-456') }
+  let(:gl_id) { 'user-456' }
+  let(:gl_username) { 'janedoe' }
+  let(:user) { Gitlab::Git::User.new(gl_username, 'Jane Doe', 'janedoe@example.com', gl_id) }
   let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, 'project-123') }
   let(:service) { described_class.new }
-
-  before do
-    @blankrev = Gitlab::Git::BLANK_SHA
-    @oldrev = SeedRepo::Commit::PARENT_ID
-    @newrev = SeedRepo::Commit::ID
-    @ref = 'refs/heads/feature'
-  end
+  let(:blankrev) { Gitlab::Git::BLANK_SHA }
+  let(:oldrev) { SeedRepo::Commit::PARENT_ID }
+  let(:newrev) { SeedRepo::Commit::ID }
+  let(:ref) { 'refs/heads/feature' }
 
   describe '#execute' do
     context 'when receive hooks were successful' do
-      it 'calls post-receive hook' do
-        hook = double(trigger: [true, nil])
+      let(:hook) { double(:hook) }
+
+      it 'calls all three hooks' do
         expect(Gitlab::Git::Hook).to receive(:new).exactly(3).times.and_return(hook)
+        expect(hook).to receive(:trigger).with(gl_id, gl_username, blankrev, newrev, ref)
+          .exactly(3).times.and_return([true, nil])
 
-        service.execute(user, repository, @blankrev, @newrev, @ref) { }
+        service.execute(user, repository, blankrev, newrev, ref) { }
       end
     end
 
@@ -28,7 +30,7 @@ describe Gitlab::Git::HooksService, seed_helper: true do
         expect(service).not_to receive(:run_hook).with('post-receive')
 
         expect do
-          service.execute(user, repository, @blankrev, @newrev, @ref)
+          service.execute(user, repository, blankrev, newrev, ref)
         end.to raise_error(Gitlab::Git::HooksService::PreReceiveError)
       end
     end
@@ -40,7 +42,7 @@ describe Gitlab::Git::HooksService, seed_helper: true do
         expect(service).not_to receive(:run_hook).with('post-receive')
 
         expect do
-          service.execute(user, repository, @blankrev, @newrev, @ref)
+          service.execute(user, repository, blankrev, newrev, ref)
         end.to raise_error(Gitlab::Git::HooksService::PreReceiveError)
       end
     end