summaryrefslogtreecommitdiff
path: root/fetch-pack.c
diff options
context:
space:
mode:
Diffstat (limited to 'fetch-pack.c')
-rw-r--r--fetch-pack.c64
1 files changed, 44 insertions, 20 deletions
diff --git a/fetch-pack.c b/fetch-pack.c
index 655ee64..820251a 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -43,7 +43,12 @@ static int marked;
#define MAX_IN_VAIN 256
static struct prio_queue rev_list = { compare_commits_by_commit_date };
-static int non_common_revs, multi_ack, use_sideband, allow_tip_sha1_in_want;
+static int non_common_revs, multi_ack, use_sideband;
+/* Allow specifying sha1 if it is a ref tip. */
+#define ALLOW_TIP_SHA1 01
+/* Allow request of a sha1 if it is reachable from a ref (possibly hidden ref). */
+#define ALLOW_REACHABLE_SHA1 02
+static unsigned int allow_unadvertised_object_request;
static void rev_list_push(struct commit *commit, int mark)
{
@@ -60,7 +65,7 @@ static void rev_list_push(struct commit *commit, int mark)
}
}
-static int rev_list_insert_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int rev_list_insert_ref(const char *refname, const unsigned char *sha1)
{
struct object *o = deref_tag(parse_object(sha1), refname, 0);
@@ -70,9 +75,16 @@ static int rev_list_insert_ref(const char *refname, const unsigned char *sha1, i
return 0;
}
-static int clear_marks(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int rev_list_insert_ref_oid(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
{
- struct object *o = deref_tag(parse_object(sha1), refname, 0);
+ return rev_list_insert_ref(refname, oid->hash);
+}
+
+static int clear_marks(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
+{
+ struct object *o = deref_tag(parse_object(oid->hash), refname, 0);
if (o && o->type == OBJ_COMMIT)
clear_commit_marks((struct commit *)o,
@@ -226,7 +238,7 @@ static void send_request(struct fetch_pack_args *args,
static void insert_one_alternate_ref(const struct ref *ref, void *unused)
{
- rev_list_insert_ref(NULL, ref->old_sha1, 0, NULL);
+ rev_list_insert_ref(NULL, ref->old_sha1);
}
#define INITIAL_FLUSH 16
@@ -263,7 +275,7 @@ static int find_common(struct fetch_pack_args *args,
for_each_ref(clear_marks, NULL);
marked = 1;
- for_each_ref(rev_list_insert_ref, NULL);
+ for_each_ref(rev_list_insert_ref_oid, NULL);
for_each_alternate_ref(insert_one_alternate_ref, NULL);
fetching = 0;
@@ -466,7 +478,7 @@ done:
static struct commit_list *complete;
-static int mark_complete(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+static int mark_complete(const unsigned char *sha1)
{
struct object *o = parse_object(sha1);
@@ -487,6 +499,12 @@ static int mark_complete(const char *refname, const unsigned char *sha1, int fla
return 0;
}
+static int mark_complete_oid(const char *refname, const struct object_id *oid,
+ int flag, void *cb_data)
+{
+ return mark_complete(oid->hash);
+}
+
static void mark_recent_complete_commits(struct fetch_pack_args *args,
unsigned long cutoff)
{
@@ -542,18 +560,22 @@ static void filter_refs(struct fetch_pack_args *args,
}
/* Append unmatched requests to the list */
- if (allow_tip_sha1_in_want) {
+ if ((allow_unadvertised_object_request &
+ (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1))) {
for (i = 0; i < nr_sought; i++) {
+ unsigned char sha1[20];
+
ref = sought[i];
if (ref->matched)
continue;
- if (get_sha1_hex(ref->name, ref->old_sha1))
+ if (get_sha1_hex(ref->name, sha1) ||
+ ref->name[40] != '\0' ||
+ hashcmp(sha1, ref->old_sha1))
continue;
ref->matched = 1;
- *newtail = ref;
- ref->next = NULL;
- newtail = &ref->next;
+ *newtail = copy_ref(ref);
+ newtail = &(*newtail)->next;
}
}
*refs = newlist;
@@ -561,7 +583,7 @@ static void filter_refs(struct fetch_pack_args *args,
static void mark_alternate_complete(const struct ref *ref, void *unused)
{
- mark_complete(NULL, ref->old_sha1, 0, NULL);
+ mark_complete(ref->old_sha1);
}
static int everything_local(struct fetch_pack_args *args,
@@ -596,7 +618,7 @@ static int everything_local(struct fetch_pack_args *args,
}
if (!args->depth) {
- for_each_ref(mark_complete, NULL);
+ for_each_ref(mark_complete_oid, NULL);
for_each_alternate_ref(mark_alternate_complete, NULL);
commit_list_sort_by_date(&complete);
if (cutoff)
@@ -625,7 +647,6 @@ static int everything_local(struct fetch_pack_args *args,
for (retval = 1, ref = *refs; ref ; ref = ref->next) {
const unsigned char *remote = ref->old_sha1;
- unsigned char local[20];
struct object *o;
o = lookup_object(remote);
@@ -638,8 +659,6 @@ static int everything_local(struct fetch_pack_args *args,
ref->name);
continue;
}
-
- hashcpy(ref->new_sha1, local);
if (!args->verbose)
continue;
fprintf(stderr,
@@ -790,7 +809,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
sort_ref_list(&ref, ref_compare_name);
qsort(sought, nr_sought, sizeof(*sought), cmp_ref_by_name);
- if (is_repository_shallow() && !server_supports("shallow"))
+ if ((args->depth > 0 || is_repository_shallow()) && !server_supports("shallow"))
die("Server does not support shallow clients");
if (server_supports("multi_ack_detailed")) {
if (args->verbose)
@@ -821,7 +840,12 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
if (server_supports("allow-tip-sha1-in-want")) {
if (args->verbose)
fprintf(stderr, "Server supports allow-tip-sha1-in-want\n");
- allow_tip_sha1_in_want = 1;
+ allow_unadvertised_object_request |= ALLOW_TIP_SHA1;
+ }
+ if (server_supports("allow-reachable-sha1-in-want")) {
+ if (args->verbose)
+ fprintf(stderr, "Server supports allow-reachable-sha1-in-want\n");
+ allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1;
}
if (!server_supports("thin-pack"))
args->use_thin_pack = 0;
@@ -924,7 +948,7 @@ static void update_shallow(struct fetch_pack_args *args,
if (args->depth > 0 && alternate_shallow_file) {
if (*alternate_shallow_file == '\0') { /* --unshallow */
- unlink_or_warn(git_path("shallow"));
+ unlink_or_warn(git_path_shallow());
rollback_lock_file(&shallow_lock);
} else
commit_lock_file(&shallow_lock);
generated by cgit v0.10.2-6-g49f6 at 2024-04-26 13:49:44 (GMT)