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| author | Nicolas Pitre <nico@cam.org> | 2006-09-26 11:27:39 -0400 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-09-27 00:12:00 -0700 |
| commit | e4fe4b8ef7cdde842a9e5e2594d0fba1367d9dd3 (patch) | |
| tree | 4a5d5a74da17b42637095fa451f3d11c739fe665 | |
| parent | 780e6e735be189097dad4b223d8edeb18cce1928 (diff) | |
| download | git-e4fe4b8ef7cdde842a9e5e2594d0fba1367d9dd3.tar.gz git-e4fe4b8ef7cdde842a9e5e2594d0fba1367d9dd3.tar.xz | |
let the GIT native protocol use offsets to delta base when possible
There is no reason not to always do this when both ends agree.
Therefore a client that can accept offsets to delta base always sends
the "ofs-delta" flag. The server will stream a pack with or without
offset to delta base depending on whether that flag is provided or not
with no additional cost.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
| -rw-r--r-- | fetch-pack.c | 5 | ||||
| -rw-r--r-- | upload-pack.c | 10 |
2 files changed, 10 insertions, 5 deletions
diff --git a/fetch-pack.c b/fetch-pack.c index e8708aa80..474d54520 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -166,12 +166,13 @@ static int find_common(int fd[2], unsigned char *result_sha1, } if (!fetching) - packet_write(fd[1], "want %s%s%s%s%s\n", + packet_write(fd[1], "want %s%s%s%s%s%s\n", sha1_to_hex(remote), (multi_ack ? " multi_ack" : ""), (use_sideband == 2 ? " side-band-64k" : ""), (use_sideband == 1 ? " side-band" : ""), - (use_thin_pack ? " thin-pack" : "")); + (use_thin_pack ? " thin-pack" : ""), + " ofs-delta"); else packet_write(fd[1], "want %s\n", sha1_to_hex(remote)); fetching++; diff --git a/upload-pack.c b/upload-pack.c index 189b239cc..9ec377504 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -16,7 +16,7 @@ static const char upload_pack_usage[] = "git-upload-pack [--strict] [--timeout=n #define OUR_REF (1U << 1) #define WANTED (1U << 2) static int multi_ack, nr_our_refs; -static int use_thin_pack; +static int use_thin_pack, use_ofs_delta; static struct object_array have_obj; static struct object_array want_obj; static unsigned int timeout; @@ -137,7 +137,9 @@ static void create_pack_file(void) close(pu_pipe[1]); close(pe_pipe[0]); close(pe_pipe[1]); - execl_git_cmd("pack-objects", "--stdout", "--progress", NULL); + execl_git_cmd("pack-objects", "--stdout", "--progress", + use_ofs_delta ? "--delta-base-offset" : NULL, + NULL); kill(pid_rev_list, SIGKILL); die("git-upload-pack: unable to exec git-pack-objects"); } @@ -393,6 +395,8 @@ static void receive_needs(void) multi_ack = 1; if (strstr(line+45, "thin-pack")) use_thin_pack = 1; + if (strstr(line+45, "ofs-delta")) + use_ofs_delta = 1; if (strstr(line+45, "side-band-64k")) use_sideband = LARGE_PACKET_MAX; else if (strstr(line+45, "side-band")) @@ -418,7 +422,7 @@ static void receive_needs(void) static int send_ref(const char *refname, const unsigned char *sha1) { - static const char *capabilities = "multi_ack thin-pack side-band side-band-64k"; + static const char *capabilities = "multi_ack thin-pack side-band side-band-64k ofs-delta"; struct object *o = parse_object(sha1); if (!o) |