Remove the update-head command since GitLab doesn't use it anymore

Signed-off-by: Rémy Coutable <remy@rymai.me>

CHANGELOG

@@ -2,6 +2,7 @@ v3.0.0
   - Remove rm-tag command (Robert Schilling)
   - Remove create-branch and rm-branch commands (Robert Schilling)
   - Update PostReceive worker so it logs a unique JID in Sidekiq
+  - Remove update-head command
 v2.7.2
   - Do not prune objects during 'git gc'

README.md

@@ -100,10 +100,6 @@ Fork repo:
     ./bin/gitlab-projects fork-project gitlab/gitlab-ci.git randx
-Update HEAD:
-
-    ./bin/gitlab-projects update-head gitlab/gitlab-ci.git 3-2-stable
-
 Create tag (lightweight & annotated):
     ./bin/gitlab-projects create-tag gitlab/gitlab-ci.git v3.0.0 3-0-stable

bin/gitlab-projects

@@ -19,8 +19,6 @@ require_relative '../lib/gitlab_init'
 #
 #   /bin/gitlab-projects import-project randx/six.git https://github.com/randx/six.git
 #
-#   /bin/gitlab-projects update-head gitlab/gitlab-ci.git 5-2-stable
-#
 require File.join(ROOT_PATH, 'lib', 'gitlab_projects')
 # Return non-zero if command execution was not successful

lib/gitlab_projects.rb

@@ -58,7 +58,6 @@ class GitlabProjects
     when 'import-project'; import_project
     when 'fork-project'; fork_project
     when 'fetch-remote'; fetch_remote
-    when 'update-head'; update_head
     when 'push-branches'; push_branches
     when 'delete-remote-branches'; delete_remote_branches
     when 'list-remote-tags'; list_remote_tags
@@ -314,22 +313,6 @@ class GitlabProjects
     system(*cmd) && self.class.create_hooks(full_destination_path)
   end
-  def update_head
-    new_head = ARGV.shift
-
-    unless new_head
-      $logger.error "update-head failed: no branch provided."
-      return false
-    end
-
-    File.open(File.join(full_path, 'HEAD'), 'w') do |f|
-      f.write("ref: refs/heads/#{new_head}")
-    end
-
-    $logger.info "Update head in project #{project_name} to <#{new_head}>."
-    true
-  end
-
   def gc
     $logger.info "Running git gc for <#{full_path}>."
     unless File.exists?(full_path)

spec/gitlab_projects_spec.rb

@@ -205,33 +205,6 @@ describe GitlabProjects do
     end
   end
-  describe :update_head do
-    let(:gl_projects) { build_gitlab_projects('update-head', repo_name, 'stable') }
-    let(:gl_projects_fail) { build_gitlab_projects 'update-head', repo_name }
-
-    before do
-      FileUtils.mkdir_p(tmp_repo_path)
-      system(*%W(git init --bare #{tmp_repo_path}))
-      FileUtils.touch(File.join(tmp_repo_path, "refs/heads/stable"))
-      File.read(File.join(tmp_repo_path, 'HEAD')).strip.should == 'ref: refs/heads/master'
-    end
-
-    it "should update head for repo" do
-      gl_projects.exec.should be_true
-      File.read(File.join(tmp_repo_path, 'HEAD')).strip.should == 'ref: refs/heads/stable'
-    end
-
-    it "should log an update_head event" do
-      $logger.should_receive(:info).with("Update head in project #{repo_name} to <stable>.")
-      gl_projects.exec
-    end
-
-    it "should failed and log an error" do
-      $logger.should_receive(:error).with("update-head failed: no branch provided.")
-      gl_projects_fail.exec.should be_false
-    end
-  end
-
   describe :import_project do
     context 'success import' do
       let(:gl_projects) { build_gitlab_projects('import-project', repo_name, 'https://github.com/randx/six.git') }