git-diff-script

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