class Gitlab::FileEditor

# File lib/gitlab/file_editor.rb, line 9
def initialize(user, project, ref)
  self.user = user
  self.project = project
  self.ref = ref
end

# File lib/gitlab/file_editor.rb, line 15
def update(path, content, commit_message, last_commit)
  return false unless can_edit?(path, last_commit)

  Grit::Git.with_timeout(10.seconds) do
    lock_file = Rails.root.join("tmp", "#{project.path}.lock")

    File.open(lock_file, "w+") do |f|
      f.flock(File::LOCK_EX)

      unless project.satellite.exists?
        raise "Satellite doesn't exist"
      end

      project.satellite.clear

      Dir.chdir(project.satellite.path) do
        r = Grit::Repo.new('.')
        r.git.sh "git reset --hard"
        r.git.sh "git fetch origin"
        r.git.sh "git config user.name \"#{user.name}\""
        r.git.sh "git config user.email \"#{user.email}\""
        r.git.sh "git checkout -b #{ref} origin/#{ref}"
        File.open(path, 'w'){|f| f.write(content)}
        r.git.sh "git add ."
        r.git.sh "git commit -am '#{commit_message}'"
        output = r.git.sh "git push origin #{ref}"

        if output =~ %rreject/
          return false
        end
      end
    end
  end
  true
end

# File lib/gitlab/file_editor.rb, line 53
def can_edit?(path, last_commit)
  current_last_commit = @project.last_commit_for(ref, path).sha
  last_commit == current_last_commit
end