git-diff-script

   1 #!/bin/sh
   2 . git-sh-setup-script || die "Not a git archive"
   3
   4 rev=($(git-rev-parse --revs-only "$@"))
   5 flags=($(git-rev-parse --no-revs --flags "$@"))
   6 files=($(git-rev-parse --no-revs --no-flags "$@"))
   7 case "${#rev[*]}" in
   8 0)
   9         git-diff-files -M -p "$@";;
  10 1)
  11         git-diff-cache -M -p "$@";;
  12 2)
  13         begin=$(echo "${rev[1]}" | tr -d '^')
  14         end="${rev[0]}"
  15         git-diff-tree -M -p $flags $begin $end $files;;
  16 *)
  17         echo "I don't understand"
  18         exit 1;;
  19 esac