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-rw-r--r--upload-pack.c78
1 files changed, 58 insertions, 20 deletions
diff --git a/upload-pack.c b/upload-pack.c
index 0ea8516ebf..dc464d78b3 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -39,6 +39,8 @@ static unsigned int timeout;
*/
static int use_sideband;
static int debug_fd;
+static int advertise_refs;
+static int stateless_rpc;
static void reset_timeout(void)
{
@@ -103,12 +105,12 @@ static void show_edge(struct commit *commit)
fprintf(pack_pipe, "-%s\n", sha1_to_hex(commit->object.sha1));
}
-static int do_rev_list(int fd, void *create_full_pack)
+static int do_rev_list(int in, int out, void *create_full_pack)
{
int i;
struct rev_info revs;
- pack_pipe = xfdopen(fd, "w");
+ pack_pipe = xfdopen(out, "w");
init_revisions(&revs, NULL);
revs.tag_objects = 1;
revs.tree_objects = 1;
@@ -160,8 +162,9 @@ static void create_pack_file(void)
int arg = 0;
if (shallow_nr) {
+ memset(&rev_list, 0, sizeof(rev_list));
rev_list.proc = do_rev_list;
- rev_list.data = 0;
+ rev_list.out = -1;
if (start_async(&rev_list))
die("git upload-pack: unable to fork git-rev-list");
argv[arg++] = "pack-objects";
@@ -430,7 +433,7 @@ static int get_common_commits(void)
{
static char line[1000];
unsigned char sha1[20];
- char hex[41], last_hex[41];
+ char last_hex[41];
save_commit_buffer = 0;
@@ -441,25 +444,30 @@ static int get_common_commits(void)
if (!len) {
if (have_obj.nr == 0 || multi_ack)
packet_write(1, "NAK\n");
+ if (stateless_rpc)
+ exit(0);
continue;
}
strip(line, len);
if (!prefixcmp(line, "have ")) {
switch (got_sha1(line+5, sha1)) {
case -1: /* they have what we do not */
- if (multi_ack && ok_to_give_up())
- packet_write(1, "ACK %s continue\n",
- sha1_to_hex(sha1));
+ if (multi_ack && ok_to_give_up()) {
+ const char *hex = sha1_to_hex(sha1);
+ if (multi_ack == 2)
+ packet_write(1, "ACK %s ready\n", hex);
+ else
+ packet_write(1, "ACK %s continue\n", hex);
+ }
break;
default:
- memcpy(hex, sha1_to_hex(sha1), 41);
- if (multi_ack) {
- const char *msg = "ACK %s continue\n";
- packet_write(1, msg, hex);
- memcpy(last_hex, hex, 41);
- }
+ memcpy(last_hex, sha1_to_hex(sha1), 41);
+ if (multi_ack == 2)
+ packet_write(1, "ACK %s common\n", last_hex);
+ else if (multi_ack)
+ packet_write(1, "ACK %s continue\n", last_hex);
else if (have_obj.nr == 1)
- packet_write(1, "ACK %s\n", hex);
+ packet_write(1, "ACK %s\n", last_hex);
break;
}
continue;
@@ -519,7 +527,9 @@ static void receive_needs(void)
get_sha1_hex(line+5, sha1_buf))
die("git upload-pack: protocol error, "
"expected to get sha, not '%s'", line);
- if (strstr(line+45, "multi_ack"))
+ if (strstr(line+45, "multi_ack_detailed"))
+ multi_ack = 2;
+ else if (strstr(line+45, "multi_ack"))
multi_ack = 1;
if (strstr(line+45, "thin-pack"))
use_thin_pack = 1;
@@ -613,7 +623,7 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo
{
static const char *capabilities = "multi_ack thin-pack side-band"
" side-band-64k ofs-delta shallow no-progress"
- " include-tag";
+ " include-tag multi_ack_detailed";
struct object *o = parse_object(sha1);
if (!o)
@@ -637,12 +647,32 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo
return 0;
}
+static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+{
+ struct object *o = parse_object(sha1);
+ if (!o)
+ die("git upload-pack: cannot find object %s:", sha1_to_hex(sha1));
+ if (!(o->flags & OUR_REF)) {
+ o->flags |= OUR_REF;
+ nr_our_refs++;
+ }
+ return 0;
+}
+
static void upload_pack(void)
{
- reset_timeout();
- head_ref(send_ref, NULL);
- for_each_ref(send_ref, NULL);
- packet_flush(1);
+ if (advertise_refs || !stateless_rpc) {
+ reset_timeout();
+ head_ref(send_ref, NULL);
+ for_each_ref(send_ref, NULL);
+ packet_flush(1);
+ } else {
+ head_ref(mark_our_ref, NULL);
+ for_each_ref(mark_our_ref, NULL);
+ }
+ if (advertise_refs)
+ return;
+
receive_needs();
if (want_obj.nr) {
get_common_commits();
@@ -664,6 +694,14 @@ int main(int argc, char **argv)
if (arg[0] != '-')
break;
+ if (!strcmp(arg, "--advertise-refs")) {
+ advertise_refs = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--stateless-rpc")) {
+ stateless_rpc = 1;
+ continue;
+ }
if (!strcmp(arg, "--strict")) {
strict = 1;
continue;