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pack-objects: support filters with bitmaps

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Just as rev-list recently learned to combine filters and bitmaps, let's
do the same for pack-objects. The infrastructure is all there; we just
need to pass along our filter options, and the pack-bitmap code will
decide to use bitmaps or not.

This unsurprisingly makes things faster for partial clones of large
repositories (here we're cloning linux.git):

  Test                               HEAD^               HEAD
  ------------------------------------------------------------------------------
  5310.11: simulated partial clone   38.94(37.28+5.87)   11.06(11.27+4.07) -71.6%

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2020-02-14 13:22:41 -05:00
committed by Junio C Hamano
parent 84243da129
commit 3ab3185f99
3 changed files with 19 additions and 2 deletions
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3
builtin/pack-objects.c
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@ -3040,7 +3040,7 @@ static int pack_options_allow_reuse(void)
static int get_object_list_from_bitmap(struct rev_info *revs)
{
if (!(bitmap_git = prepare_bitmap_walk(revs, NULL)))
if (!(bitmap_git = prepare_bitmap_walk(revs, &filter_options)))
return -1;
if (pack_options_allow_reuse() &&
@ -3419,7 +3419,6 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (filter_options.choice) {
if (!pack_to_stdout)
die(_("cannot use --filter without --stdout"));
use_bitmap_index = 0;
}
/*