undef/git-commit-vandalism
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send-pack: handle partial pushes correctly.

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When pushing into multi-user repository, or when pushing to a
repository from a local repository that has rebased branches
that has been pruned, the destination repository can have head
commits that are missing from the local repository.

This should not matter as long as the local head of the branch
being pushed is a proper superset of the destination branch, but
we ended up trying to run rev-list telling it to exclude objects
reachable from those heads missing from the local repository,
causing it to barf.  Prune those heads from the rev-list
parameter list, and make sure we do not try to push a branch
whose remote head is something we lack.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2005-08-03 12:41:12 -07:00
parent 5825e5b25c
commit 40b64d47c3
1 changed files with 8 additions and 1 deletions
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9
send-pack.c
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@ -43,7 +43,8 @@ static void exec_rev_list(struct ref *refs)
char *buf = malloc(100);
if (i > 900)
die("git-rev-list environment overflow");
if (!is_zero_sha1(refs->old_sha1)) {
if (!is_zero_sha1(refs->old_sha1) &&
has_sha1_file(refs->old_sha1)) {
args[i++] = buf;
snprintf(buf, 50, "^%s", sha1_to_hex(refs->old_sha1));
buf += 50;
@ -203,6 +204,12 @@ static int send_pack(int in, int out, int nr_match, char **match)
continue;
}
if (!has_sha1_file(ref->old_sha1)) {
error("remote '%s' object %s does not exist on local",
name, sha1_to_hex(ref->old_sha1));
continue;
}
if (!ref_newer(new_sha1, ref->old_sha1)) {
error("remote '%s' isn't a strict parent of local", name);
continue;