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fetch: improve the error messages emitted for conflicting refspecs

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If we find two refspecs that want to update the same local reference,
emit an error message that is more informative based on whether one of
the conflicting refspecs is an opportunistic update during a fetch
with explicit command-line refspecs.  And especially, do not die if an
opportunistic reference update conflicts with an express wish of the
user; rather, just emit a warning and skip the opportunistic reference
update.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2013-10-30 06:33:12 +01:00
committed by Junio C Hamano
parent 76ea6717fe
commit f096e6e826
2 changed files with 31 additions and 8 deletions
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25
remote.c
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@ -747,9 +747,28 @@ int for_each_remote(each_remote_fn fn, void *priv)
static void handle_duplicate(struct ref *ref1, struct ref *ref2)
{
if (strcmp(ref1->name, ref2->name))
die(_("%s tracks both %s and %s"),
ref2->peer_ref->name, ref1->name, ref2->name);
if (strcmp(ref1->name, ref2->name)) {
if (ref1->fetch_head_status != FETCH_HEAD_IGNORE &&
ref2->fetch_head_status != FETCH_HEAD_IGNORE) {
die(_("Cannot fetch both %s and %s to %s"),
ref1->name, ref2->name, ref2->peer_ref->name);
} else if (ref1->fetch_head_status != FETCH_HEAD_IGNORE &&
ref2->fetch_head_status == FETCH_HEAD_IGNORE) {
warning(_("%s usually tracks %s, not %s"),
ref2->peer_ref->name, ref2->name, ref1->name);
} else if (ref1->fetch_head_status == FETCH_HEAD_IGNORE &&
ref2->fetch_head_status == FETCH_HEAD_IGNORE) {
die(_("%s tracks both %s and %s"),
ref2->peer_ref->name, ref1->name, ref2->name);
} else {
/*
* This last possibility doesn't occur because
* FETCH_HEAD_IGNORE entries always appear at
* the end of the list.
*/
die(_("Internal error"));
}
}
free(ref2->peer_ref);
free(ref2);
}