Do a cross-project merge of Paul Mackerras' gitk visualizer
[git/git.git] / 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