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refs: loosen over-strict "format" check 

The add_extra_ref() interface is used to add an extra-ref that is _not_
our ref for the purpose of helping auto-following of tags and reducing
object transfer from remote repository, and they are typically formatted
as a tagname followed by ^{} to make sure no valid refs match that
pattern. In other words, these entries are deliberately formatted not to
pass check-refname-format test.

A recent series however added a test unconditionally to the add_ref()
function that is called from add_extra_ref(). The check may be sensible
for other two callsites of the add_ref() interface, but definitely is
a wrong thing to do in add_extra_ref(). Disable it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Michael Haggerty <mhagger@alum.mit.edu>
This commit is contained in:
Junio C Hamano 2011-11-16 16:54:32 -08:00
parent 5e1e6b93d0
commit 09116a1c31
2 changed files with 17 additions and 10 deletions
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20
refs.c
View File

@ -48,7 +48,7 @@ static const char *parse_ref_line(char *line, unsigned char *sha1)
}
static void add_ref(const char *name, const unsigned char *sha1,
int flag, struct ref_array *refs,
int flag, int check_name, struct ref_array *refs,
struct ref_entry **new_entry)
{
int len;
@ -59,7 +59,8 @@ static void add_ref(const char *name, const unsigned char *sha1,
entry = xmalloc(sizeof(struct ref_entry) + len);
hashcpy(entry->sha1, sha1);
hashclr(entry->peeled);
if (check_refname_format(name, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
if (check_name &&
check_refname_format(name, REFNAME_ALLOW_ONELEVEL|REFNAME_DOT_COMPONENT))
die("Reference has invalid format: '%s'", name);
memcpy(entry->name, name, len);
entry->flag = flag;
@ -234,7 +235,7 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
name = parse_ref_line(refline, sha1);
if (name) {
add_ref(name, sha1, flag, array, &last);
add_ref(name, sha1, flag, 1, array, &last);
continue;
}
if (last &&
@ -249,7 +250,7 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
void add_extra_ref(const char *name, const unsigned char *sha1, int flag)
{
add_ref(name, sha1, flag, &extra_refs, NULL);
add_ref(name, sha1, flag, 0, &extra_refs, NULL);
}
void clear_extra_refs(void)
@ -333,12 +334,11 @@ static void get_ref_dir(const char *submodule, const char *base,
hashclr(sha1);
flag |= REF_ISBROKEN;
}
} else
if (!resolve_ref(ref, sha1, 1, &flag)) {
hashclr(sha1);
flag |= REF_ISBROKEN;
}
add_ref(ref, sha1, flag, array, NULL);
} else if (!resolve_ref(ref, sha1, 1, &flag)) {
hashclr(sha1);
flag |= REF_ISBROKEN;
}
add_ref(ref, sha1, flag, 1, array, NULL);
}
free(ref);
closedir(dir);

7
t/t5700-clone-reference.sh
View File

@ -146,4 +146,11 @@ test_expect_success 'cloning with reference being subset of source (-l -s)' \
cd "$base_dir"
test_expect_success 'clone with reference from a tagged repository' '
(
cd A && git tag -a -m 'tagged' HEAD
) &&
git clone --reference=A A I
'
test_done