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-rw-r--r--fetch-pack.c96
1 files changed, 77 insertions, 19 deletions
diff --git a/fetch-pack.c b/fetch-pack.c
index 26b614780a..1734a573b0 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -674,7 +674,8 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
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)
@@ -767,8 +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;
@@ -830,7 +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 {
@@ -884,6 +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;
}
@@ -906,8 +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);
@@ -994,7 +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]);
@@ -1003,7 +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.
@@ -1019,11 +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;
}
@@ -1241,7 +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;
}
@@ -1393,8 +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);
@@ -1418,15 +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);
@@ -1440,7 +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))
@@ -1450,7 +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;
@@ -1475,7 +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;
@@ -1485,7 +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;
}