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-rw-r--r--fetch-pack.c86
1 files changed, 62 insertions, 24 deletions
diff --git a/fetch-pack.c b/fetch-pack.c
index f12bfcdbb1..afb8b05024 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -35,6 +35,7 @@ static const char *alternate_shallow_file;
#define COMMON_REF (1U << 2)
#define SEEN (1U << 3)
#define POPPED (1U << 4)
+#define ALTERNATE (1U << 5)
static int marked;
@@ -67,6 +68,41 @@ static inline void print_verbose(const struct fetch_pack_args *args,
fputc('\n', stderr);
}
+struct alternate_object_cache {
+ struct object **items;
+ size_t nr, alloc;
+};
+
+static void cache_one_alternate(const char *refname,
+ const struct object_id *oid,
+ void *vcache)
+{
+ struct alternate_object_cache *cache = vcache;
+ struct object *obj = parse_object(oid->hash);
+
+ if (!obj || (obj->flags & ALTERNATE))
+ return;
+
+ obj->flags |= ALTERNATE;
+ ALLOC_GROW(cache->items, cache->nr + 1, cache->alloc);
+ cache->items[cache->nr++] = obj;
+}
+
+static void for_each_cached_alternate(void (*cb)(struct object *))
+{
+ static int initialized;
+ static struct alternate_object_cache cache;
+ size_t i;
+
+ if (!initialized) {
+ for_each_alternate_ref(cache_one_alternate, &cache);
+ initialized = 1;
+ }
+
+ for (i = 0; i < cache.nr; i++)
+ cb(cache.items[i]);
+}
+
static void rev_list_push(struct commit *commit, int mark)
{
if (!(commit->object.flags & mark)) {
@@ -240,6 +276,8 @@ static enum ack_type get_ack(int fd, unsigned char *result_sha1)
return ACK;
}
}
+ if (skip_prefix(line, "ERR ", &arg))
+ die(_("remote error: %s"), arg);
die(_("git fetch-pack: expected ACK/NAK, got '%s'"), line);
}
@@ -253,9 +291,9 @@ static void send_request(struct fetch_pack_args *args,
write_or_die(fd, buf->buf, buf->len);
}
-static void insert_one_alternate_ref(const struct ref *ref, void *unused)
+static void insert_one_alternate_object(struct object *obj)
{
- rev_list_insert_ref(NULL, ref->old_oid.hash);
+ rev_list_insert_ref(NULL, obj->oid.hash);
}
#define INITIAL_FLUSH 16
@@ -298,7 +336,7 @@ static int find_common(struct fetch_pack_args *args,
marked = 1;
for_each_ref(rev_list_insert_ref_oid, NULL);
- for_each_alternate_ref(insert_one_alternate_ref, NULL);
+ for_each_cached_alternate(insert_one_alternate_object);
fetching = 0;
for ( ; refs ; refs = refs->next) {
@@ -621,9 +659,9 @@ static void filter_refs(struct fetch_pack_args *args,
*refs = newlist;
}
-static void mark_alternate_complete(const struct ref *ref, void *unused)
+static void mark_alternate_complete(struct object *obj)
{
- mark_complete(ref->old_oid.hash);
+ mark_complete(obj->oid.hash);
}
static int everything_local(struct fetch_pack_args *args,
@@ -659,7 +697,7 @@ static int everything_local(struct fetch_pack_args *args,
if (!args->deepen) {
for_each_ref(mark_complete_oid, NULL);
- for_each_alternate_ref(mark_alternate_complete, NULL);
+ for_each_cached_alternate(mark_alternate_complete);
commit_list_sort_by_date(&complete);
if (cutoff)
mark_recent_complete_commits(args, cutoff);
@@ -766,8 +804,8 @@ static int get_pack(struct fetch_pack_args *args,
if (args->use_thin_pack)
argv_array_push(&cmd.args, "--fix-thin");
if (args->lock_pack || unpack_limit) {
- char hostname[256];
- if (gethostname(hostname, sizeof(hostname)))
+ char hostname[HOST_NAME_MAX + 1];
+ if (xgethostname(hostname, sizeof(hostname)))
xsnprintf(hostname, sizeof(hostname), "localhost");
argv_array_pushf(&cmd.args,
"--keep=fetch-pack %"PRIuMAX " on %s",
@@ -979,7 +1017,7 @@ static void update_shallow(struct fetch_pack_args *args,
struct ref **sought, int nr_sought,
struct shallow_info *si)
{
- struct sha1_array ref = SHA1_ARRAY_INIT;
+ struct oid_array ref = OID_ARRAY_INIT;
int *status;
int i;
@@ -1002,18 +1040,18 @@ static void update_shallow(struct fetch_pack_args *args,
* shallow points that exist in the pack (iow in repo
* after get_pack() and reprepare_packed_git())
*/
- struct sha1_array extra = SHA1_ARRAY_INIT;
- unsigned char (*sha1)[20] = si->shallow->sha1;
+ struct oid_array extra = OID_ARRAY_INIT;
+ struct object_id *oid = si->shallow->oid;
for (i = 0; i < si->shallow->nr; i++)
- if (has_sha1_file(sha1[i]))
- sha1_array_append(&extra, sha1[i]);
+ if (has_object_file(&oid[i]))
+ oid_array_append(&extra, &oid[i]);
if (extra.nr) {
setup_alternate_shallow(&shallow_lock,
&alternate_shallow_file,
&extra);
commit_lock_file(&shallow_lock);
}
- sha1_array_clear(&extra);
+ oid_array_clear(&extra);
return;
}
@@ -1024,7 +1062,7 @@ static void update_shallow(struct fetch_pack_args *args,
if (!si->nr_ours && !si->nr_theirs)
return;
for (i = 0; i < nr_sought; i++)
- sha1_array_append(&ref, sought[i]->old_oid.hash);
+ oid_array_append(&ref, &sought[i]->old_oid);
si->ref = &ref;
if (args->update_shallow) {
@@ -1034,23 +1072,23 @@ static void update_shallow(struct fetch_pack_args *args,
* shallow roots that are actually reachable from new
* refs.
*/
- struct sha1_array extra = SHA1_ARRAY_INIT;
- unsigned char (*sha1)[20] = si->shallow->sha1;
+ struct oid_array extra = OID_ARRAY_INIT;
+ struct object_id *oid = si->shallow->oid;
assign_shallow_commits_to_refs(si, NULL, NULL);
if (!si->nr_ours && !si->nr_theirs) {
- sha1_array_clear(&ref);
+ oid_array_clear(&ref);
return;
}
for (i = 0; i < si->nr_ours; i++)
- sha1_array_append(&extra, sha1[si->ours[i]]);
+ oid_array_append(&extra, &oid[si->ours[i]]);
for (i = 0; i < si->nr_theirs; i++)
- sha1_array_append(&extra, sha1[si->theirs[i]]);
+ oid_array_append(&extra, &oid[si->theirs[i]]);
setup_alternate_shallow(&shallow_lock,
&alternate_shallow_file,
&extra);
commit_lock_file(&shallow_lock);
- sha1_array_clear(&extra);
- sha1_array_clear(&ref);
+ oid_array_clear(&extra);
+ oid_array_clear(&ref);
return;
}
@@ -1066,7 +1104,7 @@ static void update_shallow(struct fetch_pack_args *args,
sought[i]->status = REF_STATUS_REJECT_SHALLOW;
}
free(status);
- sha1_array_clear(&ref);
+ oid_array_clear(&ref);
}
struct ref *fetch_pack(struct fetch_pack_args *args,
@@ -1074,7 +1112,7 @@ struct ref *fetch_pack(struct fetch_pack_args *args,
const struct ref *ref,
const char *dest,
struct ref **sought, int nr_sought,
- struct sha1_array *shallow,
+ struct oid_array *shallow,
char **pack_lockfile)
{
struct ref *ref_cpy;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 06:50:40 +0000