GitUpdater

# File lib/updater/git_updater.rb, line 23
def is_installed?
  %[git #{repo_directory_arguments()} status 2>&1] =~ /On branch/ ? true : false
end

# File lib/updater/git_updater.rb, line 28
def local_revision_number
  git_log = %[git #{repo_directory_arguments()} log -1 2>&1]
  git_log[/commit ([0-9a-z]{7})/, 1].to_s
end

# File lib/updater/git_updater.rb, line 33
def update
  %[git #{repo_directory_arguments()} pull]
end

# File lib/updater/git_updater.rb, line 38
def repo_directory_arguments
  if @repo_directory
    return "--git-dir=\"#{@repo_directory}/.git\" --work-tree=\"#{@repo_directory}\""
  end
end