diff options
Diffstat (limited to 'git-diff.sh')
| -rwxr-xr-x | git-diff.sh | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/git-diff.sh b/git-diff.sh new file mode 100755 index 0000000000..b3ec84be69 --- /dev/null +++ b/git-diff.sh @@ -0,0 +1,47 @@ +#!/bin/sh +# +# Copyright (c) 2005 Linus Torvalds +# Copyright (c) 2005 Junio C Hamano + +rev=$(git-rev-parse --revs-only --no-flags --sq "$@") || exit +flags=$(git-rev-parse --no-revs --flags --sq "$@") +files=$(git-rev-parse --no-revs --no-flags --sq "$@") + +: ${flags:="'-M' '-p'"} + +# I often say 'git diff --cached -p' and get scolded by git-diff-files, but +# obviously I mean 'git diff --cached -p HEAD' in that case. +case "$rev" in +'') + case " $flags " in + *" '--cached' "*) + rev='HEAD ' + ;; + esac +esac + +case "$rev" in +?*' '?*' '?*) + echo >&2 "I don't understand" + exit 1 + ;; +?*' '^?*) + begin=$(expr "$rev" : '.*^.\([0-9a-f]*\).*') && + end=$(expr "$rev" : '.\([0-9a-f]*\). .*') || exit + cmd="git-diff-tree $flags $begin $end -- $files" + ;; +?*' '?*) + cmd="git-diff-tree $flags $rev -- $files" + ;; +?*' ') + cmd="git-diff-index $flags $rev -- $files" + ;; +'') + cmd="git-diff-files $flags -- $files" + ;; +*) + die "I don't understand $*" + ;; +esac + +eval "$cmd" |