зеркало из https://github.com/microsoft/git.git
Merge branch 'mh/war-on-extra-refs'
* mh/war-on-extra-refs: refs: remove the extra_refs API clone: do not add alternate references to extra_refs everything_local(): mark alternate refs as complete fetch-pack.c: inline insert_alternate_refs() fetch-pack.c: rename some parameters from "path" to "refname" clone.c: move more code into the "if (refs)" conditional t5700: document a failure of alternates to affect fetch
This commit is contained in:
Junio C Hamano
Коммит
d31f3785dc
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@ -232,9 +232,6 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
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{
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char *ref_git;
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struct strbuf alternate = STRBUF_INIT;
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struct remote *remote;
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struct transport *transport;
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const struct ref *extra;
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/* Beware: real_path() and mkpath() return static buffer */
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ref_git = xstrdup(real_path(item->string));
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@ -249,14 +246,6 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
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strbuf_addf(&alternate, "%s/objects", ref_git);
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add_to_alternates_file(alternate.buf);
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strbuf_release(&alternate);
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remote = remote_get(ref_git);
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transport = transport_get(remote, ref_git);
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for (extra = transport_get_remote_refs(transport); extra;
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extra = extra->next)
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add_extra_ref(extra->name, extra->old_sha1, 0);
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transport_disconnect(transport);
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free(ref_git);
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return 0;
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}
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@ -500,7 +489,6 @@ static void update_remote_refs(const struct ref *refs,
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const char *msg)
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{
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if (refs) {
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clear_extra_refs();
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write_remote_refs(mapped_refs);
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if (option_single_branch)
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write_followtags(refs, msg);
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@ -813,28 +801,28 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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}
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refs = transport_get_remote_refs(transport);
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mapped_refs = refs ? wanted_peer_refs(refs, refspec) : NULL;
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/*
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* transport_get_remote_refs() may return refs with null sha-1
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* in mapped_refs (see struct transport->get_refs_list
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* comment). In that case we need fetch it early because
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* remote_head code below relies on it.
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*
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* for normal clones, transport_get_remote_refs() should
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* return reliable ref set, we can delay cloning until after
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* remote HEAD check.
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*/
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for (ref = refs; ref; ref = ref->next)
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if (is_null_sha1(ref->old_sha1)) {
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complete_refs_before_fetch = 0;
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break;
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}
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if (!is_local && !complete_refs_before_fetch && refs)
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transport_fetch_refs(transport, mapped_refs);
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if (refs) {
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mapped_refs = wanted_peer_refs(refs, refspec);
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/*
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* transport_get_remote_refs() may return refs with null sha-1
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* in mapped_refs (see struct transport->get_refs_list
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* comment). In that case we need fetch it early because
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* remote_head code below relies on it.
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*
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* for normal clones, transport_get_remote_refs() should
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* return reliable ref set, we can delay cloning until after
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* remote HEAD check.
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*/
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for (ref = refs; ref; ref = ref->next)
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if (is_null_sha1(ref->old_sha1)) {
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complete_refs_before_fetch = 0;
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break;
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}
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if (!is_local && !complete_refs_before_fetch)
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transport_fetch_refs(transport, mapped_refs);
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remote_head = find_ref_by_name(refs, "HEAD");
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remote_head_points_at =
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guess_remote_head(remote_head, mapped_refs, 0);
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@ -852,6 +840,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
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}
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else {
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warning(_("You appear to have cloned an empty repository."));
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mapped_refs = NULL;
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our_head_points_at = NULL;
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remote_head_points_at = NULL;
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remote_head = NULL;
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@ -58,9 +58,9 @@ static void rev_list_push(struct commit *commit, int mark)
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}
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}
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static int rev_list_insert_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
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static int rev_list_insert_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
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{
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struct object *o = deref_tag(parse_object(sha1), path, 0);
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struct object *o = deref_tag(parse_object(sha1), refname, 0);
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if (o && o->type == OBJ_COMMIT)
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rev_list_push((struct commit *)o, SEEN);
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@ -68,9 +68,9 @@ static int rev_list_insert_ref(const char *path, const unsigned char *sha1, int
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return 0;
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}
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static int clear_marks(const char *path, const unsigned char *sha1, int flag, void *cb_data)
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static int clear_marks(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
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{
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struct object *o = deref_tag(parse_object(sha1), path, 0);
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struct object *o = deref_tag(parse_object(sha1), refname, 0);
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if (o && o->type == OBJ_COMMIT)
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clear_commit_marks((struct commit *)o,
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@ -256,11 +256,6 @@ static void insert_one_alternate_ref(const struct ref *ref, void *unused)
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rev_list_insert_ref(NULL, ref->old_sha1, 0, NULL);
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}
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static void insert_alternate_refs(void)
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{
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for_each_alternate_ref(insert_one_alternate_ref, NULL);
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}
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#define INITIAL_FLUSH 16
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#define PIPESAFE_FLUSH 32
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#define LARGE_FLUSH 1024
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@ -295,7 +290,7 @@ static int find_common(int fd[2], unsigned char *result_sha1,
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marked = 1;
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for_each_ref(rev_list_insert_ref, NULL);
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insert_alternate_refs();
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for_each_alternate_ref(insert_one_alternate_ref, NULL);
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fetching = 0;
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for ( ; refs ; refs = refs->next) {
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@ -493,7 +488,7 @@ done:
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static struct commit_list *complete;
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static int mark_complete(const char *path, const unsigned char *sha1, int flag, void *cb_data)
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static int mark_complete(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
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{
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struct object *o = parse_object(sha1);
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@ -586,6 +581,11 @@ static void filter_refs(struct ref **refs, int nr_match, char **match)
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*refs = newlist;
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}
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static void mark_alternate_complete(const struct ref *ref, void *unused)
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{
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mark_complete(NULL, ref->old_sha1, 0, NULL);
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}
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static int everything_local(struct ref **refs, int nr_match, char **match)
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{
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struct ref *ref;
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@ -614,6 +614,7 @@ static int everything_local(struct ref **refs, int nr_match, char **match)
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if (!args.depth) {
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for_each_ref(mark_complete, NULL);
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for_each_alternate_ref(mark_alternate_complete, NULL);
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if (cutoff)
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mark_recent_complete_commits(cutoff);
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}
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23
refs.c
23
refs.c
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@ -183,12 +183,6 @@ static struct ref_cache {
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static struct ref_entry *current_ref;
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/*
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* Never call sort_ref_array() on the extra_refs, because it is
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* allowed to contain entries with duplicate names.
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*/
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static struct ref_array extra_refs;
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static void clear_ref_array(struct ref_array *array)
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{
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int i;
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@ -289,16 +283,6 @@ static void read_packed_refs(FILE *f, struct ref_array *array)
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}
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}
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void add_extra_ref(const char *refname, const unsigned char *sha1, int flag)
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{
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add_ref(&extra_refs, create_ref_entry(refname, sha1, flag, 0));
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}
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void clear_extra_refs(void)
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{
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clear_ref_array(&extra_refs);
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}
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static struct ref_array *get_packed_refs(struct ref_cache *refs)
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{
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if (!refs->did_packed) {
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@ -733,16 +717,11 @@ fallback:
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static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn,
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int trim, int flags, void *cb_data)
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{
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int retval = 0, i, p = 0, l = 0;
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int retval = 0, p = 0, l = 0;
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struct ref_cache *refs = get_ref_cache(submodule);
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struct ref_array *packed = get_packed_refs(refs);
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struct ref_array *loose = get_loose_refs(refs);
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struct ref_array *extra = &extra_refs;
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for (i = 0; i < extra->nr; i++)
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retval = do_one_ref(base, fn, trim, flags, cb_data, extra->refs[i]);
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sort_ref_array(packed);
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sort_ref_array(loose);
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while (p < packed->nr && l < loose->nr) {
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8
refs.h
8
refs.h
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@ -56,14 +56,6 @@ extern void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refn
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*/
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extern void add_packed_ref(const char *refname, const unsigned char *sha1);
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/*
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* Extra refs will be listed by for_each_ref() before any actual refs
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* for the duration of this process or until clear_extra_refs() is
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* called. Only extra refs added before for_each_ref() is called will
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* be listed on a given call of for_each_ref().
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*/
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extern void add_extra_ref(const char *refname, const unsigned char *sha1, int flags);
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extern void clear_extra_refs(void);
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extern int ref_exists(const char *);
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extern int peel_ref(const char *refname, unsigned char *sha1);
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@ -52,13 +52,13 @@ test_cmp expected current'
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cd "$base_dir"
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rm -f "$U"
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rm -f "$U.D"
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test_expect_success 'cloning with reference (no -l -s)' \
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'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U"'
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'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U.D"'
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test_expect_success 'fetched no objects' \
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'! grep "^want" "$U"'
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'! grep "^want" "$U.D"'
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cd "$base_dir"
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@ -153,4 +153,32 @@ test_expect_success 'clone with reference from a tagged repository' '
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git clone --reference=A A I
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'
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test_expect_success 'prepare branched repository' '
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git clone A J &&
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(
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cd J &&
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git checkout -b other master^ &&
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echo other >otherfile &&
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git add otherfile &&
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git commit -m other &&
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git checkout master
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)
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'
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rm -f "$U.K"
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test_expect_success 'fetch with incomplete alternates' '
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git init K &&
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echo "$base_dir/A/.git/objects" >K/.git/objects/info/alternates &&
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(
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cd K &&
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git remote add J "file://$base_dir/J" &&
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GIT_DEBUG_SEND_PACK=3 git fetch J 3>"$U.K"
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) &&
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master_object=$(cd A && git for-each-ref --format="%(objectname)" refs/heads/master) &&
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! grep "^want $master_object" "$U.K" &&
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tag_object=$(cd A && git for-each-ref --format="%(objectname)" refs/tags/HEAD) &&
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! grep "^want $tag_object" "$U.K"
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'
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test_done
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