From b74fce16fa51362d4a3875d46e488006c3ad5371 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Fri, 1 May 2009 16:56:47 -0400 Subject: allow OFS_DELTA objects during a push The fetching of OFS_DELTA objects has been negotiated between both peers since git version 1.4.4. However, this was missing from the push side where every OFS_DELTA objects were always converted to REF_DELTA objects causing an increase in transferred data. To fix this, both the client and the server processes have to be modified: the former to invoke pack-objects with --delta-base-offset when the server provides the ofs-delta capability, and the later to send that capability when OFS_DELTA objects are allowed as already indicated by the repack.usedeltabaseoffset config variable which is TRUE by default since git v1.6.0. Signed-off-by: Nicolas Pitre Signed-off-by: Junio C Hamano --- builtin-send-pack.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'builtin-send-pack.c') diff --git a/builtin-send-pack.c b/builtin-send-pack.c index d5a1c48d0e..473a3de40c 100644 --- a/builtin-send-pack.c +++ b/builtin-send-pack.c @@ -43,12 +43,16 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext "--stdout", NULL, NULL, + NULL, }; struct child_process po; int i; + i = 4; if (args->use_thin_pack) - argv[4] = "--thin"; + argv[i++] = "--thin"; + if (args->use_ofs_delta) + argv[i++] = "--delta-base-offset"; memset(&po, 0, sizeof(po)); po.argv = argv; po.in = -1; @@ -315,6 +319,8 @@ int send_pack(struct send_pack_args *args, ask_for_status_report = 1; if (server_supports("delete-refs")) allow_deleting_refs = 1; + if (server_supports("ofs-delta")) + args->use_ofs_delta = 1; if (!remote_refs) { fprintf(stderr, "No refs in common and none specified; doing nothing.\n" -- cgit v1.2.1