#include "utf8.h"
#include "packfile.h"
#include "list-objects-filter-options.h"
+#include "commit-reach.h"
static const char * const builtin_fetch_usage[] = {
N_("git fetch [<options>] [<repository> [<refspec>...]]"),
static struct refspec refmap = REFSPEC_INIT_FETCH;
static struct list_objects_filter_options filter_options;
static struct string_list server_options = STRING_LIST_INIT_DUP;
+static struct string_list negotiation_tip = STRING_LIST_INIT_NODUP;
static int git_fetch_config(const char *k, const char *v, void *cb)
{
TRANSPORT_FAMILY_IPV4),
OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
TRANSPORT_FAMILY_IPV6),
+ OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip, N_("revision"),
+ N_("report that we have only objects reachable from this object")),
OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
OPT_END()
};
{
struct ref *rm = *head;
while (rm) {
- if (!hashcmp(rm->old_oid.hash, sha1))
+ if (hasheq(rm->old_oid.hash, sha1))
return 1;
rm = rm->next;
}
int max, rlen, llen, len;
/* uptodate lines are only shown on high verbosity level */
- if (!verbosity && !oidcmp(&ref->peer_ref->old_oid, &ref->old_oid))
+ if (!verbosity && oideq(&ref->peer_ref->old_oid, &ref->old_oid))
return;
max = term_columns();
if (type < 0)
die(_("object %s not found"), oid_to_hex(&ref->new_oid));
- if (!oidcmp(&ref->old_oid, &ref->new_oid)) {
+ if (oideq(&ref->old_oid, &ref->new_oid)) {
if (verbosity > 0)
format_display(display, '=', _("[up to date]"), NULL,
remote, pretty_ref, summary_width);
if (!is_null_oid(&ref->old_oid) &&
starts_with(ref->name, "refs/tags/")) {
- int r;
- r = s_update_ref("updating tag", ref, 0);
- format_display(display, r ? '!' : 't', _("[tag update]"),
- r ? _("unable to update local ref") : NULL,
- remote, pretty_ref, summary_width);
- return r;
+ if (force || ref->force) {
+ int r;
+ r = s_update_ref("updating tag", ref, 0);
+ format_display(display, r ? '!' : 't', _("[tag update]"),
+ r ? _("unable to update local ref") : NULL,
+ remote, pretty_ref, summary_width);
+ return r;
+ } else {
+ format_display(display, '!', _("[rejected]"), _("would clobber existing tag"),
+ remote, pretty_ref, summary_width);
+ return 1;
+ }
}
- current = lookup_commit_reference_gently(&ref->old_oid, 1);
- updated = lookup_commit_reference_gently(&ref->new_oid, 1);
+ current = lookup_commit_reference_gently(the_repository,
+ &ref->old_oid, 1);
+ updated = lookup_commit_reference_gently(the_repository,
+ &ref->new_oid, 1);
if (!current || !updated) {
const char *msg;
const char *what;
continue;
}
- commit = lookup_commit_reference_gently(&rm->old_oid,
+ commit = lookup_commit_reference_gently(the_repository,
+ &rm->old_oid,
1);
if (!commit)
rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
* everything we are going to fetch already exists and is connected
* locally.
*/
-static int quickfetch(struct ref *ref_map)
+static int check_exist_and_connected(struct ref *ref_map)
{
struct ref *rm = ref_map;
struct check_connected_options opt = CHECK_CONNECTED_INIT;
+ struct ref *r;
/*
* If we are deepening a shallow clone we already have these
*/
if (deepen)
return -1;
+
+ /*
+ * check_connected() allows objects to merely be promised, but
+ * we need all direct targets to exist.
+ */
+ for (r = rm; r; r = r->next) {
+ if (!has_object_file(&r->old_oid))
+ return -1;
+ }
+
opt.quiet = 1;
return check_connected(iterate_ref_map, &rm, &opt);
}
-static int fetch_refs(struct transport *transport, struct ref *ref_map,
- struct ref **updated_remote_refs)
+static int fetch_refs(struct transport *transport, struct ref *ref_map)
{
- int ret = quickfetch(ref_map);
+ int ret = check_exist_and_connected(ref_map);
if (ret)
- ret = transport_fetch_refs(transport, ref_map,
- updated_remote_refs);
+ ret = transport_fetch_refs(transport, ref_map);
if (!ret)
/*
* Keep the new pack's ".keep" file around to allow the caller
name, transport->url);
}
+
+static int add_oid(const char *refname, const struct object_id *oid, int flags,
+ void *cb_data)
+{
+ struct oid_array *oids = cb_data;
+
+ oid_array_append(oids, oid);
+ return 0;
+}
+
+static void add_negotiation_tips(struct git_transport_options *smart_options)
+{
+ struct oid_array *oids = xcalloc(1, sizeof(*oids));
+ int i;
+
+ for (i = 0; i < negotiation_tip.nr; i++) {
+ const char *s = negotiation_tip.items[i].string;
+ int old_nr;
+ if (!has_glob_specials(s)) {
+ struct object_id oid;
+ if (get_oid(s, &oid))
+ die("%s is not a valid object", s);
+ oid_array_append(oids, &oid);
+ continue;
+ }
+ old_nr = oids->nr;
+ for_each_glob_ref(add_oid, s, oids);
+ if (old_nr == oids->nr)
+ warning("Ignoring --negotiation-tip=%s because it does not match any refs",
+ s);
+ }
+ smart_options->negotiation_tips = oids;
+}
+
static struct transport *prepare_transport(struct remote *remote, int deepen)
{
struct transport *transport;
filter_options.filter_spec);
set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
}
+ if (negotiation_tip.nr) {
+ if (transport->smart_options)
+ add_negotiation_tips(transport->smart_options);
+ else
+ warning("Ignoring --negotiation-tip because the protocol does not support it.");
+ }
return transport;
}
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
transport_set_option(transport, TRANS_OPT_DEPTH, "0");
transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
- if (!fetch_refs(transport, ref_map, NULL))
+ if (!fetch_refs(transport, ref_map))
consume_refs(transport, ref_map);
if (gsecondary) {
int autotags = (transport->remote->fetch_tags == 1);
int retcode = 0;
const struct ref *remote_refs;
- struct ref *updated_remote_refs = NULL;
struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
+ int must_list_refs = 1;
if (tags == TAGS_DEFAULT) {
if (transport->remote->fetch_tags == 2)
goto cleanup;
}
- if (rs->nr)
+ if (rs->nr) {
+ int i;
+
refspec_ref_prefixes(rs, &ref_prefixes);
- else if (transport->remote && transport->remote->fetch.nr)
+
+ /*
+ * We can avoid listing refs if all of them are exact
+ * OIDs
+ */
+ must_list_refs = 0;
+ for (i = 0; i < rs->nr; i++) {
+ if (!rs->items[i].exact_sha1) {
+ must_list_refs = 1;
+ break;
+ }
+ }
+ } else if (transport->remote && transport->remote->fetch.nr)
refspec_ref_prefixes(&transport->remote->fetch, &ref_prefixes);
- if (ref_prefixes.argc &&
- (tags == TAGS_SET || (tags == TAGS_DEFAULT && !rs->nr))) {
- argv_array_push(&ref_prefixes, "refs/tags/");
+ if (tags == TAGS_SET || tags == TAGS_DEFAULT) {
+ must_list_refs = 1;
+ if (ref_prefixes.argc)
+ argv_array_push(&ref_prefixes, "refs/tags/");
}
- remote_refs = transport_get_remote_refs(transport, &ref_prefixes);
+ if (must_list_refs)
+ remote_refs = transport_get_remote_refs(transport, &ref_prefixes);
+ else
+ remote_refs = NULL;
+
argv_array_clear(&ref_prefixes);
ref_map = get_ref_map(transport->remote, remote_refs, rs,
transport->url);
}
}
-
- if (fetch_refs(transport, ref_map, &updated_remote_refs)) {
- free_refs(ref_map);
- retcode = 1;
- goto cleanup;
- }
- if (updated_remote_refs) {
- /*
- * Regenerate ref_map using the updated remote refs. This is
- * to account for additional information which may be provided
- * by the transport (e.g. shallow info).
- */
- free_refs(ref_map);
- ref_map = get_ref_map(transport->remote, updated_remote_refs, rs,
- tags, &autotags);
- free_refs(updated_remote_refs);
- }
- if (consume_refs(transport, ref_map)) {
+ if (fetch_refs(transport, ref_map) || consume_refs(transport, ref_map)) {
free_refs(ref_map);
retcode = 1;
goto cleanup;