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Remove duplicate ref matches in fetch

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If multiple refspecs matched the same ref, the update would be
processed multiple times. Now having the same destination for the same
source has no additional effect, and having the same destination for
different sources is an error.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Daniel Barkalow
2007-10-08 00:25:07 -04:00
committed by Shawn O. Pearce
parent 2b5a06edca
commit 2467a4fa03
3 changed files with 33 additions and 0 deletions
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27
remote.c
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@ -380,6 +380,33 @@ int for_each_remote(each_remote_fn fn, void *priv)
return result;
}
void ref_remove_duplicates(struct ref *ref_map)
{
struct ref **posn;
struct ref *next;
for (; ref_map; ref_map = ref_map->next) {
if (!ref_map->peer_ref)
continue;
posn = &ref_map->next;
while (*posn) {
if ((*posn)->peer_ref &&
!strcmp((*posn)->peer_ref->name,
ref_map->peer_ref->name)) {
if (strcmp((*posn)->name, ref_map->name))
die("%s tracks both %s and %s",
ref_map->peer_ref->name,
(*posn)->name, ref_map->name);
next = (*posn)->next;
free((*posn)->peer_ref);
free(*posn);
*posn = next;
} else {
posn = &(*posn)->next;
}
}
}
}
int remote_has_url(struct remote *remote, const char *url)
{
int i;