tools/srepl

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