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remote: create tags if we have them

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Together with include-tag, this make us behave more like git. After a
fetch, try to create any tags the remote told us about for which we
have objects locally.
This commit is contained in:
Carlos Martín Nieto 2012-09-16 03:36:03 +02:00
parent 24f2f94e7d
commit a37ddf7ef8
1 changed files with 48 additions and 7 deletions
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55
src/remote.c
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@ -473,25 +473,36 @@ int git_remote_download(git_remote *remote, git_off_t *bytes, git_indexer_stats
int git_remote_update_tips(git_remote *remote) int git_remote_update_tips(git_remote *remote)
{ {
int error = 0; int error = 0, autotag;
unsigned int i = 0; unsigned int i = 0;
git_buf refname = GIT_BUF_INIT; git_buf refname = GIT_BUF_INIT;
git_oid old; git_oid old;
git_pkt *pkt;
git_odb *odb;
git_vector *refs; git_vector *refs;
git_remote_head *head; git_remote_head *head;
git_reference *ref; git_reference *ref;
struct git_refspec *spec; struct git_refspec *spec;
char *tagstr = "refs/tags/*:refs/tags/*";
git_refspec tagspec;
assert(remote); assert(remote);
refs = &remote->refs; refs = &remote->transport->refs;
spec = &remote->fetch; spec = &remote->fetch;
if (refs->length == 0) if (refs->length == 0)
return 0; return 0;
if (git_repository_odb(&odb, remote->repo) < 0)
return -1;
if (git_refspec__parse(&tagspec, tagstr, true) < 0)
return -1;
/* HEAD is only allowed to be the first in the list */ /* HEAD is only allowed to be the first in the list */
head = refs->contents[0]; pkt = refs->contents[0];
head = &((git_pkt_ref *)pkt)->head;
if (!strcmp(head->name, GIT_HEAD_FILE)) { if (!strcmp(head->name, GIT_HEAD_FILE)) {
if (git_reference_create_oid(&ref, remote->repo, GIT_FETCH_HEAD_FILE, &head->oid, 1) < 0) if (git_reference_create_oid(&ref, remote->repo, GIT_FETCH_HEAD_FILE, &head->oid, 1) < 0)
return -1; return -1;
@ -501,10 +512,36 @@ int git_remote_update_tips(git_remote *remote)
} }
for (; i < refs->length; ++i) { for (; i < refs->length; ++i) {
head = refs->contents[i]; autotag = 0;
git_pkt *pkt = refs->contents[i];
if (git_refspec_transform_r(&refname, spec, head->name) < 0) if (pkt->type == GIT_PKT_REF)
goto on_error; head = &((git_pkt_ref *)pkt)->head;
else
continue;
/* Ignore malformed ref names (which also saves us from tag^{} */
if (!git_reference_is_valid_name(head->name))
continue;
if (git_refspec_src_matches(spec, head->name)) {
if (git_refspec_transform_r(&refname, spec, head->name) < 0)
goto on_error;
} else if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_NONE) {
autotag = 1;
if (!git_refspec_src_matches(&tagspec, head->name))
continue;
git_buf_clear(&refname);
if (git_buf_puts(&refname, head->name) < 0)
goto on_error;
} else {
continue;
}
if (autotag && !git_odb_exists(odb, &head->oid))
continue;
error = git_reference_name_to_oid(&old, remote->repo, refname.ptr); error = git_reference_name_to_oid(&old, remote->repo, refname.ptr);
if (error < 0 && error != GIT_ENOTFOUND) if (error < 0 && error != GIT_ENOTFOUND)
@ -516,7 +553,9 @@ int git_remote_update_tips(git_remote *remote)
if (!git_oid_cmp(&old, &head->oid)) if (!git_oid_cmp(&old, &head->oid))
continue; continue;
if (git_reference_create_oid(&ref, remote->repo, refname.ptr, &head->oid, 1) < 0) /* In autotag mode, don't overwrite any locally-existing tags */
error = git_reference_create_oid(&ref, remote->repo, refname.ptr, &head->oid, !autotag);
if (error < 0 && error != GIT_EEXISTS)
goto on_error; goto on_error;
git_reference_free(ref); git_reference_free(ref);
@ -527,10 +566,12 @@ int git_remote_update_tips(git_remote *remote)
} }
} }
git_refspec__free(&tagspec);
git_buf_free(&refname); git_buf_free(&refname);
return 0; return 0;
on_error: on_error:
git_refspec__free(&tagspec);
git_buf_free(&refname); git_buf_free(&refname);
return -1; return -1;