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Tighten refspec processing

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This changes the pattern matching code to not store the required final
/ before the *, and then to require each side to be a valid ref (or
empty). In particular, any refspec that looks like it should be a
pattern but doesn't quite meet the requirements will be found to be
invalid as a fallback non-pattern.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Daniel Barkalow 2008-03-17 22:05:23 -04:00 committed by Junio C Hamano
parent 971f229c50
commit ef00d150e4
1 changed files with 38 additions and 9 deletions
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47
remote.c
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@ -396,6 +396,7 @@ static void read_config(void)
struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
{
int i;
int st;
struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec);
for (i = 0; i < nr_refspec; i++) {
const char *sp, *ep, *gp;
@ -404,13 +405,15 @@ struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
rs[i].force = 1;
sp++;
}
gp = strchr(sp, '*');
gp = strstr(sp, "/*");
ep = strchr(sp, ':');
if (gp && ep && gp > ep)
gp = NULL;
if (ep) {
if (ep[1]) {
const char *glob = strchr(ep + 1, '*');
const char *glob = strstr(ep + 1, "/*");
if (glob && glob[2])
glob = NULL;
if (!glob)
gp = NULL;
if (gp)
@ -422,11 +425,24 @@ struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
} else {
ep = sp + strlen(sp);
}
if (gp && gp + 2 != ep)
gp = NULL;
if (gp) {
rs[i].pattern = 1;
ep = gp;
}
rs[i].src = xstrndup(sp, ep - sp);
if (*rs[i].src) {
st = check_ref_format(rs[i].src);
if (st && st != CHECK_REF_FORMAT_ONELEVEL)
die("Invalid refspec '%s'", refspec[i]);
}
if (rs[i].dst && *rs[i].dst) {
st = check_ref_format(rs[i].dst);
if (st && st != CHECK_REF_FORMAT_ONELEVEL)
die("Invalid refspec '%s'", refspec[i]);
}
}
return rs;
}
@ -543,7 +559,8 @@ int remote_find_tracking(struct remote *remote, struct refspec *refspec)
if (!fetch->dst)
continue;
if (fetch->pattern) {
if (!prefixcmp(needle, key)) {
if (!prefixcmp(needle, key) &&
needle[strlen(key)] == '/') {
*result = xmalloc(strlen(value) +
strlen(needle) -
strlen(key) + 1);
@ -790,7 +807,9 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
{
int i;
for (i = 0; i < rs_nr; i++) {
if (rs[i].pattern && !prefixcmp(src->name, rs[i].src))
if (rs[i].pattern &&
!prefixcmp(src->name, rs[i].src) &&
src->name[strlen(rs[i].src)] == '/')
return rs + i;
}
return NULL;
@ -989,7 +1008,7 @@ int get_fetch_map(const struct ref *remote_refs,
struct ref ***tail,
int missing_ok)
{
struct ref *ref_map, *rm;
struct ref *ref_map, **rmp;
if (refspec->pattern) {
ref_map = get_expanded_map(remote_refs, refspec);
@ -1006,10 +1025,20 @@ int get_fetch_map(const struct ref *remote_refs,
}
}
for (rm = ref_map; rm; rm = rm->next) {
if (rm->peer_ref && check_ref_format(rm->peer_ref->name + 5))
die("* refusing to create funny ref '%s' locally",
rm->peer_ref->name);
for (rmp = &ref_map; *rmp; ) {
if ((*rmp)->peer_ref) {
int st = check_ref_format((*rmp)->peer_ref->name + 5);
if (st && st != CHECK_REF_FORMAT_ONELEVEL) {
struct ref *ignore = *rmp;
error("* Ignoring funny ref '%s' locally",
(*rmp)->peer_ref->name);
*rmp = (*rmp)->next;
free(ignore->peer_ref);
free(ignore);
continue;
}
}
rmp = &((*rmp)->next);
}
if (ref_map)