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diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c
index 615f54974e0b19354d88a40ecba53f586944a96b..8ed4a6feaac2868523e6516e02865132dedbc9f5 100644 (file)
--- a/builtin-fetch-pack.c
+++ b/builtin-fetch-pack.c
ACK_ready
};
+static void consume_shallow_list(int fd)
+{
+ if (args.stateless_rpc && args.depth > 0) {
+ /* If we sent a depth we will get back "duplicate"
+ * shallow and unshallow commands every time there
+ * is a block of have lines exchanged.
+ */
+ char line[1000];
+ while (packet_read_line(fd, line, sizeof(line))) {
+ if (!prefixcmp(line, "shallow "))
+ continue;
+ if (!prefixcmp(line, "unshallow "))
+ continue;
+ die("git fetch-pack: expected shallow list");
+ }
+ }
+}
+
static enum ack_type get_ack(int fd, unsigned char *result_sha1)
{
static char line[1000];
die("git fetch_pack: expected ACK/NAK, got '%s'", line);
}
+static void send_request(int fd, struct strbuf *buf)
+{
+ if (args.stateless_rpc) {
+ send_sideband(fd, -1, buf->buf, buf->len, LARGE_PACKET_MAX);
+ packet_flush(fd);
+ } else
+ safe_write(fd, buf->buf, buf->len);
+}
+
static int find_common(int fd[2], unsigned char *result_sha1,
struct ref *refs)
{
unsigned in_vain = 0;
int got_continue = 0;
struct strbuf req_buf = STRBUF_INIT;
+ size_t state_len = 0;
+ if (args.stateless_rpc && multi_ack == 1)
+ die("--stateless-rpc requires multi_ack_detailed");
if (marked)
for_each_ref(clear_marks, NULL);
marked = 1;
if (args.depth > 0)
packet_buf_write(&req_buf, "deepen %d", args.depth);
packet_buf_flush(&req_buf);
-
- safe_write(fd[1], req_buf.buf, req_buf.len);
+ state_len = req_buf.len;
if (args.depth > 0) {
char line[1024];
unsigned char sha1[20];
+ send_request(fd[1], &req_buf);
while (packet_read_line(fd[0], line, sizeof(line))) {
if (!prefixcmp(line, "shallow ")) {
if (get_sha1_hex(line + 8, sha1))
}
die("expected shallow/unshallow, got %s", line);
}
+ } else if (!args.stateless_rpc)
+ send_request(fd[1], &req_buf);
+
+ if (!args.stateless_rpc) {
+ /* If we aren't using the stateless-rpc interface
+ * we don't need to retain the headers.
+ */
+ strbuf_setlen(&req_buf, 0);
+ state_len = 0;
}
flushes = 0;
retval = -1;
while ((sha1 = get_rev())) {
- packet_write(fd[1], "have %s\n", sha1_to_hex(sha1));
+ packet_buf_write(&req_buf, "have %s\n", sha1_to_hex(sha1));
if (args.verbose)
fprintf(stderr, "have %s\n", sha1_to_hex(sha1));
in_vain++;
if (!(31 & ++count)) {
int ack;
- packet_flush(fd[1]);
+ packet_buf_flush(&req_buf);
+ send_request(fd[1], &req_buf);
+ strbuf_setlen(&req_buf, state_len);
flushes++;
/*
* We keep one window "ahead" of the other side, and
* will wait for an ACK only on the next one
*/
- if (count == 32)
+ if (!args.stateless_rpc && count == 32)
continue;
+ consume_shallow_list(fd[0]);
do {
ack = get_ack(fd[0], result_sha1);
if (args.verbose && ack)
case ACK_continue: {
struct commit *commit =
lookup_commit(result_sha1);
+ if (args.stateless_rpc
+ && ack == ACK_common
+ && !(commit->object.flags & COMMON)) {
+ /* We need to replay the have for this object
+ * on the next RPC request so the peer knows
+ * it is in common with us.
+ */
+ const char *hex = sha1_to_hex(result_sha1);
+ packet_buf_write(&req_buf, "have %s\n", hex);
+ state_len = req_buf.len;
+ }
mark_common(commit, 0, 1);
retval = 0;
in_vain = 0;
}
}
done:
- packet_write(fd[1], "done\n");
+ packet_buf_write(&req_buf, "done\n");
+ send_request(fd[1], &req_buf);
if (args.verbose)
fprintf(stderr, "done\n");
if (retval != 0) {
}
strbuf_release(&req_buf);
+ consume_shallow_list(fd[0]);
while (flushes || multi_ack) {
int ack = get_ack(fd[0], result_sha1);
if (ack) {
*/
warning("no common commits");
+ if (args.stateless_rpc)
+ packet_flush(fd[1]);
if (get_pack(fd, pack_lockfile))
die("git fetch-pack: fetch failed.");
struct ref *ref = NULL;
char *dest = NULL, **heads;
int fd[2];
+ char *pack_lockfile = NULL;
+ char **pack_lockfile_ptr = NULL;
struct child_process *conn;
nr_heads = 0;
args.no_progress = 1;
continue;
}
+ if (!strcmp("--stateless-rpc", arg)) {
+ args.stateless_rpc = 1;
+ continue;
+ }
+ if (!strcmp("--lock-pack", arg)) {
+ args.lock_pack = 1;
+ pack_lockfile_ptr = &pack_lockfile;
+ continue;
+ }
usage(fetch_pack_usage);
}
dest = (char *)arg;
if (!dest)
usage(fetch_pack_usage);
- conn = git_connect(fd, (char *)dest, args.uploadpack,
- args.verbose ? CONNECT_VERBOSE : 0);
- if (conn) {
- get_remote_heads(fd[0], &ref, 0, NULL, 0, NULL);
-
- ref = fetch_pack(&args, fd, conn, ref, dest, nr_heads, heads, NULL);
- close(fd[0]);
- close(fd[1]);
- if (finish_connect(conn))
- ref = NULL;
+ if (args.stateless_rpc) {
+ conn = NULL;
+ fd[0] = 0;
+ fd[1] = 1;
} else {
- ref = NULL;
+ conn = git_connect(fd, (char *)dest, args.uploadpack,
+ args.verbose ? CONNECT_VERBOSE : 0);
+ }
+
+ get_remote_heads(fd[0], &ref, 0, NULL, 0, NULL);
+
+ ref = fetch_pack(&args, fd, conn, ref, dest,
+ nr_heads, heads, pack_lockfile_ptr);
+ if (pack_lockfile) {
+ printf("lock %s\n", pack_lockfile);
+ fflush(stdout);
}
+ close(fd[0]);
+ close(fd[1]);
+ if (finish_connect(conn))
+ ref = NULL;
ret = !ref;
if (!ret && nr_heads) {