}
ret = xcalloc(1, sizeof(struct remote));
+ ret->prune = -1; /* unspecified */
ALLOC_GROW(remotes, remotes_nr + 1, remotes_alloc);
remotes[remotes_nr++] = ret;
if (len)
remote->skip_default_update = git_config_bool(key, value);
else if (!strcmp(subkey, ".skipfetchall"))
remote->skip_default_update = git_config_bool(key, value);
+ else if (!strcmp(subkey, ".prune"))
+ remote->prune = git_config_bool(key, value);
else if (!strcmp(subkey, ".url")) {
const char *v;
if (git_config_string(&v, key, value))
return NULL;
}
+static void prepare_ref_index(struct string_list *ref_index, struct ref *ref)
+{
+ for ( ; ref; ref = ref->next)
+ string_list_append_nodup(ref_index, ref->name)->util = ref;
+
+ sort_string_list(ref_index);
+}
+
/*
* Given the set of refs the local repository has, the set of refs the
* remote repository has, and the refspec used for push, determine
int errs;
static const char *default_refspec[] = { ":", NULL };
struct ref *ref, **dst_tail = tail_ref(dst);
+ struct string_list dst_ref_index = STRING_LIST_INIT_NODUP;
if (!nr_refspec) {
nr_refspec = 1;
/* pick the remainder */
for (ref = src; ref; ref = ref->next) {
+ struct string_list_item *dst_item;
struct ref *dst_peer;
const struct refspec *pat = NULL;
char *dst_name;
if (!dst_name)
continue;
- dst_peer = find_ref_by_name(*dst, dst_name);
+ if (!dst_ref_index.nr)
+ prepare_ref_index(&dst_ref_index, *dst);
+
+ dst_item = string_list_lookup(&dst_ref_index, dst_name);
+ dst_peer = dst_item ? dst_item->util : NULL;
if (dst_peer) {
if (dst_peer->peer_ref)
/* We're already sending something to this ref. */
/* Create a new one and link it */
dst_peer = make_linked_ref(dst_name, &dst_tail);
hashcpy(dst_peer->new_sha1, ref->new_sha1);
+ string_list_insert(&dst_ref_index,
+ dst_peer->name)->util = dst_peer;
}
dst_peer->peer_ref = copy_ref(ref);
dst_peer->force = pat->force;
free(dst_name);
}
+ string_list_clear(&dst_ref_index, 0);
+
if (flags & MATCH_REFS_FOLLOW_TAGS)
add_missing_tags(src, dst, &dst_tail);
if (send_prune) {
+ struct string_list src_ref_index = STRING_LIST_INIT_NODUP;
/* check for missing refs on the remote */
for (ref = *dst; ref; ref = ref->next) {
char *src_name;
src_name = get_ref_match(rs, nr_refspec, ref, send_mirror, FROM_DST, NULL);
if (src_name) {
- if (!find_ref_by_name(src, src_name))
+ if (!src_ref_index.nr)
+ prepare_ref_index(&src_ref_index, src);
+ if (!string_list_has_string(&src_ref_index,
+ src_name))
ref->peer_ref = alloc_delete_ref();
free(src_name);
}
}
+ string_list_clear(&src_ref_index, 0);
}
if (errs)
return -1;
}
void set_ref_status_for_push(struct ref *remote_refs, int send_mirror,
- int force_update)
+ int force_update)
{
struct ref *ref;
for (ref = remote_refs; ref; ref = ref->next) {
int force_ref_update = ref->force || force_update;
+ int reject_reason = 0;
if (ref->peer_ref)
hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
}
/*
+ * Bypass the usual "must fast-forward" check but
+ * replace it with a weaker "the old value must be
+ * this value we observed". If the remote ref has
+ * moved and is now different from what we expect,
+ * reject any push.
+ *
+ * It also is an error if the user told us to check
+ * with the remote-tracking branch to find the value
+ * to expect, but we did not have such a tracking
+ * branch.
+ */
+ if (ref->expect_old_sha1) {
+ if (ref->expect_old_no_trackback ||
+ hashcmp(ref->old_sha1, ref->old_sha1_expect))
+ reject_reason = REF_STATUS_REJECT_STALE;
+ }
+
+ /*
+ * The usual "must fast-forward" rules.
+ *
* Decide whether an individual refspec A:B can be
* pushed. The push will succeed if any of the
* following are true:
* passing the --force argument
*/
- if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
- int why = 0; /* why would this push require --force? */
-
+ else if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
if (!prefixcmp(ref->name, "refs/tags/"))
- why = REF_STATUS_REJECT_ALREADY_EXISTS;
+ reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS;
else if (!has_sha1_file(ref->old_sha1))
- why = REF_STATUS_REJECT_FETCH_FIRST;
+ reject_reason = REF_STATUS_REJECT_FETCH_FIRST;
else if (!lookup_commit_reference_gently(ref->old_sha1, 1) ||
!lookup_commit_reference_gently(ref->new_sha1, 1))
- why = REF_STATUS_REJECT_NEEDS_FORCE;
+ reject_reason = REF_STATUS_REJECT_NEEDS_FORCE;
else if (!ref_newer(ref->new_sha1, ref->old_sha1))
- why = REF_STATUS_REJECT_NONFASTFORWARD;
-
- if (!force_ref_update)
- ref->status = why;
- else if (why)
- ref->forced_update = 1;
+ reject_reason = REF_STATUS_REJECT_NONFASTFORWARD;
}
+
+ /*
+ * "--force" will defeat any rejection implemented
+ * by the rules above.
+ */
+ if (!force_ref_update)
+ ref->status = reject_reason;
+ else if (reject_reason)
+ ref->forced_update = 1;
}
}
{
return parse_push_cas_option(opt->value, arg, unset);
}
+
+int is_empty_cas(const struct push_cas_option *cas)
+{
+ return !cas->use_tracking_for_rest && !cas->nr;
+}
+
+/*
+ * Look at remote.fetch refspec and see if we have a remote
+ * tracking branch for the refname there. Fill its current
+ * value in sha1[].
+ * If we cannot do so, return negative to signal an error.
+ */
+static int remote_tracking(struct remote *remote, const char *refname,
+ unsigned char sha1[20])
+{
+ char *dst;
+
+ dst = apply_refspecs(remote->fetch, remote->fetch_refspec_nr, refname);
+ if (!dst)
+ return -1; /* no tracking ref for refname at remote */
+ if (read_ref(dst, sha1))
+ return -1; /* we know what the tracking ref is but we cannot read it */
+ return 0;
+}
+
+static void apply_cas(struct push_cas_option *cas,
+ struct remote *remote,
+ struct ref *ref)
+{
+ int i;
+
+ /* Find an explicit --<option>=<name>[:<value>] entry */
+ for (i = 0; i < cas->nr; i++) {
+ struct push_cas *entry = &cas->entry[i];
+ if (!refname_match(entry->refname, ref->name, ref_rev_parse_rules))
+ continue;
+ ref->expect_old_sha1 = 1;
+ if (!entry->use_tracking)
+ hashcpy(ref->old_sha1_expect, cas->entry[i].expect);
+ else if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+ ref->expect_old_no_trackback = 1;
+ return;
+ }
+
+ /* Are we using "--<option>" to cover all? */
+ if (!cas->use_tracking_for_rest)
+ return;
+
+ ref->expect_old_sha1 = 1;
+ if (remote_tracking(remote, ref->name, ref->old_sha1_expect))
+ ref->expect_old_no_trackback = 1;
+}
+
+void apply_push_cas(struct push_cas_option *cas,
+ struct remote *remote,
+ struct ref *remote_refs)
+{
+ struct ref *ref;
+ for (ref = remote_refs; ref; ref = ref->next)
+ apply_cas(cas, remote, ref);
+}