Andrew's git - gitweb.git/blob

   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: ${flags:="'-M' '-p'"}
  11
  12# I often say 'git diff --cached -p' and get scolded by git-diff-files, but
  13# obviously I mean 'git diff --cached -p HEAD' in that case.
  14case "$rev" in
  15'')
  16        case " $flags " in
  17        *" '--cached' "*)
  18                rev='HEAD '
  19                ;;
  20        esac
  21esac
  22
  23case "$rev" in
  24?*' '?*' '?*)
  25        echo >&2 "I don't understand"
  26        exit 1
  27        ;;
  28?*' '^?*)
  29        begin=$(expr "$rev" : '.*^.\([0-9a-f]*\).*') &&
  30        end=$(expr "$rev" : '.\([0-9a-f]*\). .*') || exit
  31        cmd="git-diff-tree $flags $begin $end -- $files"
  32        ;;
  33?*' '?*)
  34        cmd="git-diff-tree $flags $rev -- $files"
  35        ;;
  36?*' ')
  37        cmd="git-diff-index $flags $rev -- $files"
  38        ;;
  39'')
  40        cmd="git-diff-files $flags -- $files"
  41        ;;
  42*)
  43        die "I don't understand $*"
  44        ;;
  45esac
  46
  47eval "$cmd"