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>
Patrick Steinhardt committed
Apr 2, 2025 at 13:13 UTC
c9b94a7785b4de4e3e15d0e5b65c97337c206b81
2 files changed
+22
pack-bitmap.c
+15
index 6adb8aaa1c..edc8f42122 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -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;
pack-bitmap.h
+7
index 079bae3246..55df1b3af5 100644
--- a/pack-bitmap.h
+++ b/pack-bitmap.h
@@ -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 *,