#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 int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
{
+ BUG_ON_OPT_NEG(unset);
+
/*
* "git fetch --refmap='' origin foo"
* can be used to tell the command not to store anywhere
N_("append to .git/FETCH_HEAD instead of overwriting")),
OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
N_("path to upload pack on remote end")),
- OPT__FORCE(&force, N_("force overwrite of local branch"), 0),
+ OPT__FORCE(&force, N_("force overwrite of local reference"), 0),
OPT_BOOL('m', "multiple", &multiple,
N_("fetch from multiple remotes")),
OPT_SET_INT('t', "tags", &tags,
}
}
-static int add_existing(const char *refname, const struct object_id *oid,
- int flag, void *cbdata)
-{
- struct string_list *list = (struct string_list *)cbdata;
- struct string_list_item *item = string_list_insert(list, refname);
- struct object_id *old_oid = xmalloc(sizeof(*old_oid));
-
- oidcpy(old_oid, oid);
- item->util = old_oid;
- return 0;
-}
-
static int will_fetch(struct ref **head, const unsigned char *sha1)
{
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;
}
return 0;
}
+struct refname_hash_entry {
+ struct hashmap_entry ent; /* must be the first member */
+ struct object_id oid;
+ char refname[FLEX_ARRAY];
+};
+
+static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data,
+ const void *e1_,
+ const void *e2_,
+ const void *keydata)
+{
+ const struct refname_hash_entry *e1 = e1_;
+ const struct refname_hash_entry *e2 = e2_;
+
+ return strcmp(e1->refname, keydata ? keydata : e2->refname);
+}
+
+static struct refname_hash_entry *refname_hash_add(struct hashmap *map,
+ const char *refname,
+ const struct object_id *oid)
+{
+ struct refname_hash_entry *ent;
+ size_t len = strlen(refname);
+
+ FLEX_ALLOC_MEM(ent, refname, refname, len);
+ hashmap_entry_init(ent, strhash(refname));
+ oidcpy(&ent->oid, oid);
+ hashmap_add(map, ent);
+ return ent;
+}
+
+static int add_one_refname(const char *refname,
+ const struct object_id *oid,
+ int flag, void *cbdata)
+{
+ struct hashmap *refname_map = cbdata;
+
+ (void) refname_hash_add(refname_map, refname, oid);
+ return 0;
+}
+
+static void refname_hash_init(struct hashmap *map)
+{
+ hashmap_init(map, refname_hash_entry_cmp, NULL, 0);
+}
+
+static int refname_hash_exists(struct hashmap *map, const char *refname)
+{
+ return !!hashmap_get_from_hash(map, strhash(refname), refname);
+}
+
static void find_non_local_tags(const struct ref *refs,
struct ref **head,
struct ref ***tail)
{
- struct string_list existing_refs = STRING_LIST_INIT_DUP;
- struct string_list remote_refs = STRING_LIST_INIT_NODUP;
+ struct hashmap existing_refs;
+ struct hashmap remote_refs;
+ struct string_list remote_refs_list = STRING_LIST_INIT_NODUP;
+ struct string_list_item *remote_ref_item;
const struct ref *ref;
- struct string_list_item *item = NULL;
+ struct refname_hash_entry *item = NULL;
- for_each_ref(add_existing, &existing_refs);
+ refname_hash_init(&existing_refs);
+ refname_hash_init(&remote_refs);
+
+ for_each_ref(add_one_refname, &existing_refs);
for (ref = refs; ref; ref = ref->next) {
if (!starts_with(ref->name, "refs/tags/"))
continue;
!has_object_file_with_flags(&ref->old_oid,
OBJECT_INFO_QUICK) &&
!will_fetch(head, ref->old_oid.hash) &&
- !has_sha1_file_with_flags(item->util,
- OBJECT_INFO_QUICK) &&
- !will_fetch(head, item->util))
- item->util = NULL;
+ !has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) &&
+ !will_fetch(head, item->oid.hash))
+ oidclr(&item->oid);
item = NULL;
continue;
}
* fetch.
*/
if (item &&
- !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
- !will_fetch(head, item->util))
- item->util = NULL;
+ !has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) &&
+ !will_fetch(head, item->oid.hash))
+ oidclr(&item->oid);
item = NULL;
/* skip duplicates and refs that we already have */
- if (string_list_has_string(&remote_refs, ref->name) ||
- string_list_has_string(&existing_refs, ref->name))
+ if (refname_hash_exists(&remote_refs, ref->name) ||
+ refname_hash_exists(&existing_refs, ref->name))
continue;
- item = string_list_insert(&remote_refs, ref->name);
- item->util = (void *)&ref->old_oid;
+ item = refname_hash_add(&remote_refs, ref->name, &ref->old_oid);
+ string_list_insert(&remote_refs_list, ref->name);
}
- string_list_clear(&existing_refs, 1);
+ hashmap_free(&existing_refs, 1);
/*
* We may have a final lightweight tag that needs to be
* checked to see if it needs fetching.
*/
if (item &&
- !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
- !will_fetch(head, item->util))
- item->util = NULL;
+ !has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) &&
+ !will_fetch(head, item->oid.hash))
+ oidclr(&item->oid);
/*
- * For all the tags in the remote_refs string list,
+ * For all the tags in the remote_refs_list,
* add them to the list of refs to be fetched
*/
- for_each_string_list_item(item, &remote_refs) {
+ for_each_string_list_item(remote_ref_item, &remote_refs_list) {
+ const char *refname = remote_ref_item->string;
+
+ item = hashmap_get_from_hash(&remote_refs, strhash(refname), refname);
+ if (!item)
+ BUG("unseen remote ref?");
+
/* Unless we have already decided to ignore this item... */
- if (item->util)
- {
- struct ref *rm = alloc_ref(item->string);
- rm->peer_ref = alloc_ref(item->string);
- oidcpy(&rm->old_oid, item->util);
+ if (!is_null_oid(&item->oid)) {
+ struct ref *rm = alloc_ref(item->refname);
+ rm->peer_ref = alloc_ref(item->refname);
+ oidcpy(&rm->old_oid, &item->oid);
**tail = rm;
*tail = &rm->next;
}
}
-
- string_list_clear(&remote_refs, 0);
+ hashmap_free(&remote_refs, 1);
+ string_list_clear(&remote_refs_list, 0);
}
static struct ref *get_ref_map(struct remote *remote,
/* opportunistically-updated references: */
struct ref *orefs = NULL, **oref_tail = &orefs;
- struct string_list existing_refs = STRING_LIST_INIT_DUP;
+ struct hashmap existing_refs;
if (rs->nr) {
struct refspec *fetch_refspec;
ref_map = ref_remove_duplicates(ref_map);
- for_each_ref(add_existing, &existing_refs);
+ refname_hash_init(&existing_refs);
+ for_each_ref(add_one_refname, &existing_refs);
+
for (rm = ref_map; rm; rm = rm->next) {
if (rm->peer_ref) {
- struct string_list_item *peer_item =
- string_list_lookup(&existing_refs,
- rm->peer_ref->name);
+ const char *refname = rm->peer_ref->name;
+ struct refname_hash_entry *peer_item;
+
+ peer_item = hashmap_get_from_hash(&existing_refs,
+ strhash(refname),
+ refname);
if (peer_item) {
- struct object_id *old_oid = peer_item->util;
+ struct object_id *old_oid = &peer_item->oid;
oidcpy(&rm->peer_ref->old_oid, old_oid);
}
}
}
- string_list_clear(&existing_refs, 1);
+ hashmap_free(&existing_refs, 1);
return ref_map;
}
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();
const char *needle,
const char *placeholder)
{
- const char *p = strstr(haystack->buf, needle);
+ const char *p = NULL;
int plen, nlen;
+ nlen = strlen(needle);
+ if (ends_with(haystack->buf, needle))
+ p = haystack->buf + haystack->len - nlen;
+ else
+ p = strstr(haystack->buf, needle);
if (!p)
return 0;
return 0;
plen = strlen(p);
- nlen = strlen(needle);
if (plen > nlen && p[nlen] != '/')
return 0;
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(the_repository,
what = _("[new ref]");
}
- if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
- (recurse_submodules != RECURSE_SUBMODULES_ON))
- check_for_new_submodule_commits(&ref->new_oid);
r = s_update_ref(msg, ref, 0);
format_display(display, r ? '!' : '*', what,
r ? _("unable to update local ref") : NULL,
strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "..");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
- if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
- (recurse_submodules != RECURSE_SUBMODULES_ON))
- check_for_new_submodule_commits(&ref->new_oid);
r = s_update_ref("fast-forward", ref, 1);
format_display(display, r ? '!' : ' ', quickref.buf,
r ? _("unable to update local ref") : NULL,
strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "...");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
- if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
- (recurse_submodules != RECURSE_SUBMODULES_ON))
- check_for_new_submodule_commits(&ref->new_oid);
r = s_update_ref("forced-update", ref, 1);
format_display(display, r ? '!' : '+', quickref.buf,
r ? _("unable to update local ref") : _("forced update"),
ref->force = rm->peer_ref->force;
}
+ if (recurse_submodules != RECURSE_SUBMODULES_OFF)
+ check_for_new_submodule_commits(&rm->old_oid);
if (!strcmp(rm->name, "HEAD")) {
kind = "";
* 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)
{
- int ret = quickfetch(ref_map);
+ int ret = check_exist_and_connected(ref_map);
if (ret)
ret = transport_fetch_refs(transport, ref_map);
if (!ret)
static struct transport *prepare_transport(struct remote *remote, int deepen)
{
struct transport *transport;
+
transport = transport_get(remote, NULL);
transport_set_verbosity(transport, verbosity, progress);
transport->family = family;
if (update_shallow)
set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
if (filter_options.choice) {
+ struct strbuf expanded_filter_spec = STRBUF_INIT;
+ expand_list_objects_filter_spec(&filter_options,
+ &expanded_filter_spec);
set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
- filter_options.filter_spec);
+ expanded_filter_spec.buf);
set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
+ strbuf_release(&expanded_filter_spec);
}
if (negotiation_tip.nr) {
if (transport->smart_options)
int retcode = 0;
const struct ref *remote_refs;
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))) {
- 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,
*/
if (strcmp(remote->name, repository_format_partial_clone)) {
if (filter_options.choice)
- die(_("--filter can only be used with the remote configured in core.partialClone"));
+ die(_("--filter can only be used with the remote "
+ "configured in extensions.partialClone"));
return;
}
sigchain_push_common(unlock_pack_on_signal);
atexit(unlock_pack);
+ sigchain_push(SIGPIPE, SIG_IGN);
exit_code = do_fetch(gtransport, &rs);
+ sigchain_pop(SIGPIPE);
refspec_clear(&rs);
transport_disconnect(gtransport);
gtransport = NULL;
result = fetch_one(remote, argc, argv, prune_tags_ok);
} else {
if (filter_options.choice)
- die(_("--filter can only be used with the remote configured in core.partialClone"));
+ die(_("--filter can only be used with the remote "
+ "configured in extensions.partialclone"));
/* TODO should this also die if we have a previous partial-clone? */
result = fetch_multiple(&list);
}