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pack-bitmap: introduce function to check whether a pack is bitmapped 

Introduce a function that allows us to verify whether a pack is
bitmapped or not. This functionality will be used in a subsequent
commit.

Helped-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Patrick Steinhardt 2025-04-02 13:13:44 +02:00 committed by Junio C Hamano
parent 5420901bde
commit c9b94a7785
2 changed files with 22 additions and 0 deletions
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15
pack-bitmap.c
View File

@ -745,6 +745,21 @@ struct bitmap_index *prepare_midx_bitmap_git(struct multi_pack_index *midx)
return NULL;
}

int bitmap_index_contains_pack(struct bitmap_index *bitmap, struct packed_git *pack)
{
for (; bitmap; bitmap = bitmap->base) {
if (bitmap_is_midx(bitmap)) {
for (size_t i = 0; i < bitmap->midx->num_packs; i++)
if (bitmap->midx->packs[i] == pack)
return 1;
} else if (bitmap->pack == pack) {
return 1;
}
}

return 0;
}

struct include_data {
struct bitmap_index *bitmap_git;
struct bitmap *base;

7
pack-bitmap.h
View File

@ -67,6 +67,13 @@ struct bitmapped_pack {

struct bitmap_index *prepare_bitmap_git(struct repository *r);
struct bitmap_index *prepare_midx_bitmap_git(struct multi_pack_index *midx);

/*
* Given a bitmap index, determine whether it contains the pack either directly
* or via the multi-pack-index.
*/
int bitmap_index_contains_pack(struct bitmap_index *bitmap, struct packed_git *pack);

void count_bitmap_commit_list(struct bitmap_index *, uint32_t *commits,
uint32_t *trees, uint32_t *blobs, uint32_t *tags);
void traverse_bitmap_commit_list(struct bitmap_index *,