Support for custom hooks

1 files changed, 42 insertions, 0 deletions

diff --git a/lib/gitlab_custom_hook.rb b/lib/gitlab_custom_hook.rb
new file mode 100644
index 0000000..d6fa83d
--- /dev/null
+++ b/lib/gitlab_custom_hook.rb
@@ -0,0 +1,42 @@
+class GitlabCustomHook
+  def pre_receive(refs, repo_path)
+    if receive('pre-receive', refs, repo_path)
+      return true
+    else
+      # reset GL_ID env since we stop git push here
+      ENV['GL_ID'] = nil
+      return false
+    end
+  end
+
+  def post_receive(refs, repo_path)
+    receive('post-receive', refs, repo_path)
+  end
+
+  def update(ref_name, old_value, new_value, repo_path)
+    hook = hook_file('update', repo_path)
+    return true if hook.nil?
+    system(*hook, ref_name, old_value, new_value) ? true : false
+  end
+
+  private
+
+  def receive(type, refs, repo_path)
+    unless type == 'pre-receive' || type == 'post-receive'
+      puts 'GitLab: An unexpected error occurred ' \
+           '(invalid pre/post-receive hook type)'
+      return false
+    end
+
+    hook = hook_file(type, repo_path)
+    return true if hook.nil?
+    cmd = "#{hook} #{refs}"
+    system(*cmd) ? true : false
+  end
+
+  def hook_file(hook_type, repo_path)
+    hook_path = File.join(repo_path.strip, 'custom_hooks')
+    hook_file = "#{hook_path}/#{hook_type}"
+    hook_file if File.exist?(hook_file)
+  end
+end