tools/srepl

   1 #!/bin/sh
   2
   3 usage()
   4 {
   5         echo "Usage:"
   6         echo
   7         echo "  $0 search_pattern [-- <pathspec> ]"
   8         echo "  $0 search_pattern replacement [-- <pathspec> ]"
   9         echo
  10         echo "Pattern should be a basic regexp as accepted by grep and sed."
  11         echo "For information on pathspec syntax, see git documentation."
  12         echo
  13         exit 1
  14 }
  15
  16
  17 if [ "$1" = "--" ]; then
  18         usage
  19 elif [ "$#" -eq 1 ]  || [ "$2" = "--" ]; then
  20         pattern="$1"
  21         shift
  22         git grep -I -n "$pattern" "$@"
  23 elif [ "$#" -eq 2 ] || [ "$3" = "--" ]; then
  24
  25         if ( git status --porcelain | grep '^.[^ ]' ); then
  26                 echo "You have unstaged changes in your tree."
  27                 echo "Either stage them with 'git add', commit them,"
  28                 echo "or discard them with 'git checkout -- .'"
  29                 exit 1
  30         fi
  31
  32         pattern="$1"
  33         replacement="$2"
  34         shift
  35         shift
  36         git grep -I -l "$pattern" "$@" | xargs sed -i "s/$pattern/$replacement/g"
  37 else
  38         usage
  39 fi