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pack-bitmap: add 'test_bitmap_commits()' helper

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The next patch will add a 'bitmap' test-tool which prints the list of
commits that have bitmaps computed.

The test helper could implement this itself, but it would need access to
the 'bitmaps' field of the 'pack_bitmap' struct. To avoid exposing this
private detail, implement the entirety of the helper behind a
test_bitmap_commits() function in pack-bitmap.c.

There is some precedence for this with test_bitmap_walk() which is used
to implement the '--test-bitmap' flag in 'git rev-list' (and is also
implemented in pack-bitmap.c).

A caller will be added in the next patch.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau
2021-03-31 21:32:07 -04:00
committed by Junio C Hamano
parent a65ce7f831
commit dff5e49e51
2 changed files with 19 additions and 0 deletions
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pack-bitmap.h
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@@ -49,6 +49,7 @@ void traverse_bitmap_commit_list(struct bitmap_index *,
struct rev_info *revs,
show_reachable_fn show_reachable);
void test_bitmap_walk(struct rev_info *revs);
int test_bitmap_commits(struct repository *r);
struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs,
struct list_objects_filter_options *filter);
int reuse_partial_packfile_from_bitmap(struct bitmap_index *,