git-diff-script

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