svndiff (svn差分確認のための関数。コードレビュー効率化のためのショートカット)

.zshrc

# ------------------------------------------------------------------------
# svndiff
# ------------------------------------------------------------------------
function svndiff() {
  help() {
    echo "Usage: svndiff [option] [filename]"
    echo "Customize:  ~/.zshrc"
    return
  }
  if [ $# -eq 0 ] ; then
    help
    return
  fi
  for arg in $* ; do
    # 引数一つ一つについてcase文で条件分岐
    case $arg in
      -h|--help)
        help
        return
        ;;
      # svn diff を unified diff
      -d|--unified-diff)
        /usr/bin/svn diff --diff-cmd diff -x '-U20 -w'
        return
        ;;
      # modified状態のファイル名取得
      -mf|--modified-files)
        svn status | awk '$1~/M/{print $2}'
        return
        ;;
      # リポジトリ内で変更のあるファイル全てのファイル名取得
      -af|--all-files)
        svn status
        return
        ;;
      # 変更のあったファイルをvimdiff
      -v|--vimdiff)
        svn diff
        return
        ;;
      # その他の場合
      *)
        svn diff $arg
    esac
  done
  return
}
_svndiffcmd() {
  _arguments \
    '(- *)'{-h,--help}'[show help]' \
    {-d,--unified-diff}'[unified diff]' \
    {-mf,--modified-files}'[modified files]' \
    {-af,--all-files}'[all files]' \
    {-v,--vimdiff}'[vimdiff]' \
    '*: :_files'
}
compdef _svndiffcmd svndiff