git-grep.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) Linus Torvalds, 2005
   4 #
   5
   6 USAGE='[<option>...] [-e] <pattern> [<path>...]'
   7 SUBDIRECTORY_OK='Yes'
   8 . git-sh-setup
   9
  10 got_pattern () {
  11         if [ -z "$no_more_patterns" ]
  12         then
  13                 pattern="$1" no_more_patterns=yes
  14         else
  15                 die "git-grep: do not specify more than one pattern"
  16         fi
  17 }
  18
  19 no_more_patterns=
  20 pattern=
  21 flags=()
  22 git_flags=()
  23 while : ; do
  24         case "$1" in
  25         -o|--cached|--deleted|--others|--killed|\
  26         --ignored|--modified|--exclude=*|\
  27         --exclude-from=*|\--exclude-per-directory=*)
  28                 git_flags=("${git_flags[@]}" "$1")
  29                 ;;
  30         -e)
  31                 got_pattern "$2"
  32                 shift
  33                 ;;
  34         -A|-B|-C|-D|-d|-f|-m)
  35                 flags=("${flags[@]}" "$1" "$2")
  36                 shift
  37                 ;;
  38         --)
  39                 # The rest are git-ls-files paths
  40                 shift
  41                 break
  42                 ;;
  43         -*)
  44                 flags=("${flags[@]}" "$1")
  45                 ;;
  46         *)
  47                 if [ -z "$no_more_patterns" ]
  48                 then
  49                         got_pattern "$1"
  50                         shift
  51                 fi
  52                 [ "$1" = -- ] && shift
  53                 break
  54                 ;;
  55         esac
  56         shift
  57 done
  58 [ "$pattern" ] || {
  59         usage
  60 }
  61 git-ls-files -z "${git_flags[@]}" -- "$@" |
  62         xargs -0 grep "${flags[@]}" -e "$pattern" --