blob: dc0dd312bfb83921e1c52849a23ece84a05b5ecd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#!/bin/sh
#
# Copyright (c) 2005 Linus Torvalds
# Copyright (c) 2005 Junio C Hamano
USAGE='[ --diff-options ] <ent>{0,2} [<path>...]'
SUBDIRECTORY_OK='Yes'
. git-sh-setup
rev=$(git-rev-parse --revs-only --no-flags --sq "$@") || exit
flags=$(git-rev-parse --no-revs --flags --sq "$@")
files=$(git-rev-parse --no-revs --no-flags --sq "$@")
# 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
# If we have -[123] --ours --theirs --base, don't do --cc by default.
case " $flags " in
*" '-"[123]"' "* | *" '--ours' "* | *" '--base' "* | *" '--theirs' "*)
cc_or_p=-p ;;
*)
cc_or_p=--cc ;;
esac
# If we do not have --name-status, --name-only, -r, or -c default to --cc.
case " $flags " in
*" '--name-status' "* | *" '--name-only' "* | *" '-r' "* | *" '-c' "* )
;;
*)
flags="$flags'$cc_or_p' " ;;
esac
# If we do not have -B, -C, -r, nor -p, default to -M.
case " $flags " in
*" '-"[BCMrp]* | *" '--find-copies-harder' "*)
;; # something like -M50.
*)
flags="$flags'-M' " ;;
esac
case "$rev" in
?*' '?*' '?*)
usage
;;
?*' '^?*)
begin=$(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 -- $files"
;;
*)
usage
;;
esac
eval "$cmd"
|