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Commit | Line | Data |
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940c1bb0 | 1 | #!/bin/sh |
0a5a9ea4 JH |
2 | # |
3 | # Copyright (c) 2005 Linus Torvalds | |
4 | # Copyright (c) 2005 Junio C Hamano | |
5 | ||
92811b57 FK |
6 | USAGE='[ --diff-options ] <ent>{0,2} [<path>...]' |
7 | SUBDIRECTORY_OK='Yes' | |
8 | . git-sh-setup | |
9 | ||
0a5a9ea4 JH |
10 | rev=$(git-rev-parse --revs-only --no-flags --sq "$@") || exit |
11 | flags=$(git-rev-parse --no-revs --flags --sq "$@") | |
12 | files=$(git-rev-parse --no-revs --no-flags --sq "$@") | |
13 | ||
9f92f15f JH |
14 | # I often say 'git diff --cached -p' and get scolded by git-diff-files, but |
15 | # obviously I mean 'git diff --cached -p HEAD' in that case. | |
16 | case "$rev" in | |
17 | '') | |
18 | case " $flags " in | |
19 | *" '--cached' "*) | |
20 | rev='HEAD ' | |
21 | ;; | |
22 | esac | |
23 | esac | |
24 | ||
56205180 JH |
25 | # If we do not have --name-status, --name-only nor -r, default to -p. |
26 | # If we do not have -B nor -C, default to -M. | |
27 | case " $flags " in | |
28 | *" '--name-status' "* | *" '--name-only' "* | *" '-r' "* ) | |
29 | ;; | |
30 | *) | |
31 | flags="$flags'-p' " ;; | |
32 | esac | |
33 | case " $flags " in | |
34 | *" '-"[BCM]* | *" '--find-copies-harder' "*) | |
35 | ;; # something like -M50. | |
36 | *) | |
37 | flags="$flags'-M' " ;; | |
38 | esac | |
39 | ||
0a5a9ea4 JH |
40 | case "$rev" in |
41 | ?*' '?*' '?*) | |
92811b57 | 42 | usage |
0a5a9ea4 JH |
43 | ;; |
44 | ?*' '^?*) | |
45 | begin=$(expr "$rev" : '.*^.\([0-9a-f]*\).*') && | |
46 | end=$(expr "$rev" : '.\([0-9a-f]*\). .*') || exit | |
ea51d416 | 47 | cmd="git-diff-tree $flags $begin $end -- $files" |
0a5a9ea4 JH |
48 | ;; |
49 | ?*' '?*) | |
ea51d416 | 50 | cmd="git-diff-tree $flags $rev -- $files" |
0a5a9ea4 JH |
51 | ;; |
52 | ?*' ') | |
ea51d416 | 53 | cmd="git-diff-index $flags $rev -- $files" |
0a5a9ea4 JH |
54 | ;; |
55 | '') | |
ea51d416 | 56 | cmd="git-diff-files $flags -- $files" |
0a5a9ea4 | 57 | ;; |
940c1bb0 | 58 | *) |
92811b57 | 59 | usage |
0a5a9ea4 | 60 | ;; |
940c1bb0 | 61 | esac |
0a5a9ea4 JH |
62 | |
63 | eval "$cmd" |