git-grep.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) Linus Torvalds, 2005
   4 #
   5
   6 pattern=
   7 flags=()
   8 git_flags=()
   9 while : ; do
  10         case "$1" in
  11         --cached|--deleted|--others|--killed|\
  12         --ignored|--exclude=*|\
  13         --exclude-from=*|\--exclude-per-directory=*)
  14                 git_flags=("${git_flags[@]}" "$1")
  15                 ;;
  16         -e)
  17                 pattern="$2"
  18                 shift
  19                 ;;
  20         -A|-B|-C|-D|-d|-f|-m)
  21                 flags=("${flags[@]}" "$1" "$2")
  22                 shift
  23                 ;;
  24         --)
  25                 # The rest are git-ls-files paths (or flags)
  26                 shift
  27                 break
  28                 ;;
  29         -*)
  30                 flags=("${flags[@]}" "$1")
  31                 ;;
  32         *)
  33                 if [ -z "$pattern" ]; then
  34                         pattern="$1"
  35                         shift
  36                 fi
  37                 break
  38                 ;;
  39         esac
  40         shift
  41 done
  42 [ "$pattern" ] || {
  43         echo >&2 "usage: 'git grep <pattern> [pathspec*]'"
  44         exit 1
  45 }
  46 git-ls-files -z "${git_flags[@]}" "$@" |
  47         xargs -0 grep "${flags[@]}" -e "$pattern"