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-rw-r--r--builtin/fetch-pack.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 52707a80ad..65a8727453 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -1,4 +1,4 @@
-#include "cache.h"
+#include "builtin.h"
#include "refs.h"
#include "pkt-line.h"
#include "commit.h"
@@ -9,6 +9,7 @@
#include "fetch-pack.h"
#include "remote.h"
#include "run-command.h"
+#include "transport.h"
static int transfer_unpack_limit = -1;
static int fetch_unpack_limit = -1;
@@ -218,11 +219,35 @@ static void send_request(int fd, struct strbuf *buf)
safe_write(fd, buf->buf, buf->len);
}
+static void insert_one_alternate_ref(const struct ref *ref, void *unused)
+{
+ rev_list_insert_ref(NULL, ref->old_sha1, 0, NULL);
+}
+
+static void insert_alternate_refs(void)
+{
+ foreach_alt_odb(refs_from_alternate_cb, insert_one_alternate_ref);
+}
+
+#define INITIAL_FLUSH 16
+#define LARGE_FLUSH 1024
+
+static int next_flush(int count)
+{
+ if (count < INITIAL_FLUSH * 2)
+ count += INITIAL_FLUSH;
+ else if (count < LARGE_FLUSH)
+ count <<= 1;
+ else
+ count += LARGE_FLUSH;
+ return count;
+}
+
static int find_common(int fd[2], unsigned char *result_sha1,
struct ref *refs)
{
int fetching;
- int count = 0, flushes = 0, retval;
+ int count = 0, flushes = 0, flush_at = INITIAL_FLUSH, retval;
const unsigned char *sha1;
unsigned in_vain = 0;
int got_continue = 0;
@@ -237,6 +262,7 @@ static int find_common(int fd[2], unsigned char *result_sha1,
marked = 1;
for_each_ref(rev_list_insert_ref, NULL);
+ insert_alternate_refs();
fetching = 0;
for ( ; refs ; refs = refs->next) {
@@ -335,19 +361,20 @@ static int find_common(int fd[2], unsigned char *result_sha1,
if (args.verbose)
fprintf(stderr, "have %s\n", sha1_to_hex(sha1));
in_vain++;
- if (!(31 & ++count)) {
+ if (flush_at <= ++count) {
int ack;
packet_buf_flush(&req_buf);
send_request(fd[1], &req_buf);
strbuf_setlen(&req_buf, state_len);
flushes++;
+ flush_at = next_flush(count);
/*
* We keep one window "ahead" of the other side, and
* will wait for an ACK only on the next one
*/
- if (!args.stateless_rpc && count == 32)
+ if (!args.stateless_rpc && count == INITIAL_FLUSH)
continue;
consume_shallow_list(fd[0]);
@@ -819,6 +846,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
char **pack_lockfile_ptr = NULL;
struct child_process *conn;
+ packet_trace_identity("fetch-pack");
+
nr_heads = 0;
heads = NULL;
for (i = 1; i < argc; i++) {