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diff: restrict pathspec limitations to diff b/f case only

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builtin_diff_b_f() needs a path, not pathspec. Other modes in diff
can deal with pathspec just fine. But because of the current
GUARD_PATHSPEC() location, other modes also reject :(glob) and
:(icase).

Move GUARD_PATHSPEC(), and the "path" assignment statement, which is
the reason of this GUARD_PATHSPEC(), inside builtin_diff_b_f().

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2013-11-20 08:26:41 +07:00 committed by Junio C Hamano
parent c8556c6213
commit 887c6c18ba
2 changed files with 13 additions and 10 deletions
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17
builtin/diff.c
View File

@ -64,15 +64,18 @@ static void stuff_change(struct diff_options *opt,
static int builtin_diff_b_f(struct rev_info *revs,
int argc, const char **argv,
struct blobinfo *blob,
const char *path)
struct blobinfo *blob)
{
/* Blob vs file in the working tree*/
struct stat st;
const char *path;
if (argc > 1)
usage(builtin_diff_usage);
GUARD_PATHSPEC(&revs->prune_data, PATHSPEC_FROMTOP | PATHSPEC_LITERAL);
path = revs->prune_data.items[0].match;
if (lstat(path, &st))
die_errno(_("failed to stat '%s'"), path);
if (!(S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)))
@ -255,7 +258,6 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
struct rev_info rev;
struct object_array ent = OBJECT_ARRAY_INIT;
int blobs = 0, paths = 0;
const char *path = NULL;
struct blobinfo blob[2];
int nongit;
int result = 0;
@ -366,13 +368,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
die(_("unhandled object '%s' given."), name);
}
}
if (rev.prune_data.nr) {
/* builtin_diff_b_f() */
GUARD_PATHSPEC(&rev.prune_data, PATHSPEC_FROMTOP | PATHSPEC_LITERAL);
if (!path)
path = rev.prune_data.items[0].match;
if (rev.prune_data.nr)
paths += rev.prune_data.nr;
}
/*
* Now, do the arguments look reasonable?
@ -385,7 +382,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
case 1:
if (paths != 1)
usage(builtin_diff_usage);
result = builtin_diff_b_f(&rev, argc, argv, blob, path);
result = builtin_diff_b_f(&rev, argc, argv, blob);
break;
case 2:
if (paths)

6
t/t6131-pathspec-icase.sh
View File

@ -100,4 +100,10 @@ test_expect_success 'match_pathspec_depth matches :(icase)bar with empty prefix'
test_cmp expect actual
'
test_expect_success '"git diff" can take magic :(icase) pathspec' '
echo FOO/BAR >expect &&
git diff --name-only HEAD^ HEAD -- ":(icase)foo/bar" >actual &&
test_cmp expect actual
'
test_done