git-diff-scripton commit Replace unsetenv() and setenv() with older putenv(). (e72a7d4)
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Linus Torvalds
   4# Copyright (c) 2005 Junio C Hamano
   5
   6rev=$(git-rev-parse --revs-only --no-flags --sq "$@") || exit
   7flags=$(git-rev-parse --no-revs --flags --sq "$@")
   8files=$(git-rev-parse --no-revs --no-flags --sq "$@")
   9
  10: ${flags:="'-M' '-p'"}
  11
  12case "$rev" in
  13?*' '?*' '?*)
  14        die "I don't understand"
  15        ;;
  16?*' '^?*)
  17        begin=$(expr "$rev" : '.*^.\([0-9a-f]*\).*') &&
  18        end=$(expr "$rev" : '.\([0-9a-f]*\). .*') || exit
  19        cmd="git-diff-tree $flags $begin $end $files"
  20        ;;
  21?*' '?*)
  22        cmd="git-diff-tree $flags $rev $files"
  23        ;;
  24?*' ')
  25        cmd="git-diff-cache $flags $rev $files"
  26        ;;
  27'')
  28        cmd="git-diff-files $flags $files"
  29        ;;
  30*)
  31        die "I don't understand $*"
  32        ;;
  33esac
  34
  35eval "$cmd"