Class: Braid::Commands::Push

Inherits:
Braid::Command show all
Defined in:
lib/braid/commands/push.rb

Instance Method Summary collapse

Methods inherited from Braid::Command

#config, #force?, msg, #msg, run, #verbose?

Methods included from Operations::VersionControl

#git, #git_cache

Instance Method Details

#run(path, options = {}) ⇒ Object

Raises:



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# File 'lib/braid/commands/push.rb', line 13

def run(path, options = {})
  mirror = config.get!(path)

  branch = options['branch'] || mirror.branch

  raise NoPushToTag, path unless branch

  setup_remote(mirror)
  mirror.fetch

  base_revision = determine_repository_revision(mirror)
  unless mirror.merged?(base_revision)
    msg 'Mirror is not up to date. Stopping.'
    clear_remote(mirror, options)
    return
  end

  diff = mirror.diff
  if diff.empty?
    msg 'No local changes found. Stopping.'
    clear_remote(mirror, options)
    return
  end
  local_mirror_item = git.get_tree_item('HEAD', mirror.path)

  odb_paths = [File.expand_path(git.repo_file_path('objects'))]
  if File.exist?(mirror.cached_url)
    Dir.chdir(mirror.cached_url) do
      odb_paths.push(File.expand_path(git.repo_file_path('objects')))
    end
  end
  clone_dir = Dir.tmpdir + "/braid_push.#{$$}"
  Dir.mkdir(clone_dir)
  remote_url = git.remote_url(mirror.remote)
  if remote_url == mirror.cached_url
    remote_url = mirror.url
  elsif File.directory?(remote_url)
    remote_url = File.expand_path(remote_url)
  end
  user_name = git.config(%w(--local --get user.name))
  user_email = git.config(%w(--local --get user.email))
  commit_gpgsign = git.config(%w(--local --get commit.gpgsign))
  Dir.chdir(clone_dir) do
    msg 'Cloning mirror with local changes.'
    git.init
    git.config(['--local', 'user.name', "\"#{user_name}\""]) if user_name
    git.config(['--local', 'user.email', "\"#{user_email}\""]) if user_email
    git.config(['--local', 'commit.gpgsign', commit_gpgsign]) if commit_gpgsign
    # Adding other repositories as alternates is safe (we don't have to
    # worry about them being moved or deleted during the lifetime of this
    # temporary repository) and faster than fetching from them.  We don't
    # need git.repo_file_path because the temporary repository isn't using
    # a linked worktree.  Git for Windows seems to want LF and not CRLF in
    # the alternates file; hope that works for Cygwin Git, etc. too.
    File.open('.git/objects/info/alternates', 'wb') { |f|
      f.puts(odb_paths)
    }
    git.fetch(remote_url, mirror.remote_ref)
    git.checkout(base_revision)
    git.rm_r(mirror.remote_path || '.')
    git.add_item_to_index(local_mirror_item, mirror.remote_path || '', true)
    system('git commit -v')
    msg "Pushing changes to remote branch #{branch}."
    git.push(remote_url, "HEAD:refs/heads/#{branch}")
  end
  FileUtils.rm_r(clone_dir)

  clear_remote(mirror, options)
end