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-rw-r--r--fetch-pack.c109
1 files changed, 89 insertions, 20 deletions
diff --git a/fetch-pack.c b/fetch-pack.c
index 0130b44..1734a57 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -669,17 +669,20 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
save_commit_buffer = 0;
+ trace2_region_enter("fetch-pack", "parse_remote_refs_and_find_cutoff", NULL);
for (ref = *refs; ref; ref = ref->next) {
struct object *o;
if (!has_object_file_with_flags(&ref->old_oid,
- OBJECT_INFO_QUICK))
+ OBJECT_INFO_QUICK |
+ OBJECT_INFO_SKIP_FETCH_OBJECT))
continue;
o = parse_object(the_repository, &ref->old_oid);
if (!o)
continue;
- /* We already have it -- which may mean that we were
+ /*
+ * We already have it -- which may mean that we were
* in sync with the other side at some time after
* that (it is OK if we guess wrong here).
*/
@@ -689,7 +692,13 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
cutoff = commit->date;
}
}
+ trace2_region_leave("fetch-pack", "parse_remote_refs_and_find_cutoff", NULL);
+ /*
+ * This block marks all local refs as COMPLETE, and then recursively marks all
+ * parents of those refs as COMPLETE.
+ */
+ trace2_region_enter("fetch-pack", "mark_complete_local_refs", NULL);
if (!args->deepen) {
for_each_ref(mark_complete_oid, NULL);
for_each_cached_alternate(NULL, mark_alternate_complete);
@@ -697,11 +706,13 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
if (cutoff)
mark_recent_complete_commits(args, cutoff);
}
+ trace2_region_leave("fetch-pack", "mark_complete_local_refs", NULL);
/*
* Mark all complete remote refs as common refs.
* Don't mark them common yet; the server has to be told so first.
*/
+ trace2_region_enter("fetch-pack", "mark_common_remote_refs", NULL);
for (ref = *refs; ref; ref = ref->next) {
struct object *o = deref_tag(the_repository,
lookup_object(the_repository,
@@ -714,6 +725,7 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
negotiator->known_common(negotiator,
(struct commit *)o);
}
+ trace2_region_leave("fetch-pack", "mark_common_remote_refs", NULL);
save_commit_buffer = old_save_commit_buffer;
}
@@ -756,8 +768,33 @@ static int sideband_demux(int in, int out, void *data)
return ret;
}
+static void write_promisor_file(const char *keep_name,
+ struct ref **sought, int nr_sought)
+{
+ struct strbuf promisor_name = STRBUF_INIT;
+ int suffix_stripped;
+ FILE *output;
+ int i;
+
+ strbuf_addstr(&promisor_name, keep_name);
+ suffix_stripped = strbuf_strip_suffix(&promisor_name, ".keep");
+ if (!suffix_stripped)
+ BUG("name of pack lockfile should end with .keep (was '%s')",
+ keep_name);
+ strbuf_addstr(&promisor_name, ".promisor");
+
+ output = xfopen(promisor_name.buf, "w");
+ for (i = 0; i < nr_sought; i++)
+ fprintf(output, "%s %s\n", oid_to_hex(&sought[i]->old_oid),
+ sought[i]->name);
+ fclose(output);
+
+ strbuf_release(&promisor_name);
+}
+
static int get_pack(struct fetch_pack_args *args,
- int xd[2], char **pack_lockfile)
+ int xd[2], char **pack_lockfile,
+ struct ref **sought, int nr_sought)
{
struct async demux;
int do_keep = args->keep_pack;
@@ -819,7 +856,13 @@ static int get_pack(struct fetch_pack_args *args,
}
if (args->check_self_contained_and_connected)
argv_array_push(&cmd.args, "--check-self-contained-and-connected");
- if (args->from_promisor)
+ /*
+ * If we're obtaining the filename of a lockfile, we'll use
+ * that filename to write a .promisor file with more
+ * information below. If not, we need index-pack to do it for
+ * us.
+ */
+ if (!(do_keep && pack_lockfile) && args->from_promisor)
argv_array_push(&cmd.args, "--promisor");
}
else {
@@ -873,6 +916,14 @@ static int get_pack(struct fetch_pack_args *args,
die(_("%s failed"), cmd_name);
if (use_sideband && finish_async(&demux))
die(_("error in sideband demultiplexer"));
+
+ /*
+ * Now that index-pack has succeeded, write the promisor file using the
+ * obtained .keep filename if necessary
+ */
+ if (do_keep && pack_lockfile && args->from_promisor)
+ write_promisor_file(*pack_lockfile, sought, nr_sought);
+
return 0;
}
@@ -895,8 +946,15 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
struct object_id oid;
const char *agent_feature;
int agent_len;
- struct fetch_negotiator negotiator;
- fetch_negotiator_init(r, &negotiator);
+ struct fetch_negotiator negotiator_alloc;
+ struct fetch_negotiator *negotiator;
+
+ if (args->no_dependents) {
+ negotiator = NULL;
+ } else {
+ negotiator = &negotiator_alloc;
+ fetch_negotiator_init(r, negotiator);
+ }
sort_ref_list(&ref, ref_compare_name);
QSORT(sought, nr_sought, cmp_ref_by_name);
@@ -983,7 +1041,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
die(_("Server does not support --deepen"));
if (!args->no_dependents) {
- mark_complete_and_common_ref(&negotiator, args, &ref);
+ mark_complete_and_common_ref(negotiator, args, &ref);
filter_refs(args, &ref, sought, nr_sought);
if (everything_local(args, &ref)) {
packet_flush(fd[1]);
@@ -992,7 +1050,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
} else {
filter_refs(args, &ref, sought, nr_sought);
}
- if (find_common(&negotiator, args, fd, &oid, ref) < 0)
+ if (find_common(negotiator, args, fd, &oid, ref) < 0)
if (!args->keep_pack)
/* When cloning, it is not unusual to have
* no common commit.
@@ -1008,11 +1066,12 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
alternate_shallow_file = setup_temporary_shallow(si->shallow);
else
alternate_shallow_file = NULL;
- if (get_pack(args, fd, pack_lockfile))
+ if (get_pack(args, fd, pack_lockfile, sought, nr_sought))
die(_("git fetch-pack: fetch failed."));
all_done:
- negotiator.release(&negotiator);
+ if (negotiator)
+ negotiator->release(negotiator);
return ref;
}
@@ -1230,7 +1289,8 @@ static int process_acks(struct fetch_negotiator *negotiator,
struct commit *commit;
oidset_insert(common, &oid);
commit = lookup_commit(the_repository, &oid);
- negotiator->ack(negotiator, commit);
+ if (negotiator)
+ negotiator->ack(negotiator, commit);
}
continue;
}
@@ -1382,8 +1442,16 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
struct packet_reader reader;
int in_vain = 0, negotiation_started = 0;
int haves_to_send = INITIAL_FLUSH;
- struct fetch_negotiator negotiator;
- fetch_negotiator_init(r, &negotiator);
+ struct fetch_negotiator negotiator_alloc;
+ struct fetch_negotiator *negotiator;
+
+ if (args->no_dependents) {
+ negotiator = NULL;
+ } else {
+ negotiator = &negotiator_alloc;
+ fetch_negotiator_init(r, negotiator);
+ }
+
packet_reader_init(&reader, fd[0], NULL, 0,
PACKET_READ_CHOMP_NEWLINE |
PACKET_READ_DIE_ON_ERR_PACKET);
@@ -1407,15 +1475,15 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
/* Filter 'ref' by 'sought' and those that aren't local */
if (!args->no_dependents) {
- mark_complete_and_common_ref(&negotiator, args, &ref);
+ mark_complete_and_common_ref(negotiator, args, &ref);
filter_refs(args, &ref, sought, nr_sought);
if (everything_local(args, &ref))
state = FETCH_DONE;
else
state = FETCH_SEND_REQUEST;
- mark_tips(&negotiator, args->negotiation_tips);
- for_each_cached_alternate(&negotiator,
+ mark_tips(negotiator, args->negotiation_tips);
+ for_each_cached_alternate(negotiator,
insert_one_alternate_object);
} else {
filter_refs(args, &ref, sought, nr_sought);
@@ -1429,7 +1497,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
"negotiation_v2",
the_repository);
}
- if (send_fetch_request(&negotiator, fd[1], args, ref,
+ if (send_fetch_request(negotiator, fd[1], args, ref,
&common,
&haves_to_send, &in_vain,
reader.use_sideband))
@@ -1439,7 +1507,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
break;
case FETCH_PROCESS_ACKS:
/* Process ACKs/NAKs */
- switch (process_acks(&negotiator, &reader, &common)) {
+ switch (process_acks(negotiator, &reader, &common)) {
case 2:
state = FETCH_GET_PACK;
break;
@@ -1464,7 +1532,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
/* get the pack */
process_section_header(&reader, "packfile", 0);
- if (get_pack(args, fd, pack_lockfile))
+ if (get_pack(args, fd, pack_lockfile, sought, nr_sought))
die(_("git fetch-pack: fetch failed."));
state = FETCH_DONE;
@@ -1474,7 +1542,8 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
}
}
- negotiator.release(&negotiator);
+ if (negotiator)
+ negotiator->release(negotiator);
oidset_clear(&common);
return ref;
}
generated by cgit v0.10.2-6-g49f6 at 2024-04-16 13:26:35 (GMT)