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pack-bitmap: tag bitmapped packs with their corresponding MIDX

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The next commit will need to use the bitmap's MIDX (if one exists) to
translate bit positions into pack-relative positions in the source pack.

Ordinarily, we'd use the "midx" field of the bitmap_index struct. But
since that struct is defined within pack-bitmap.c, and our caller is in
a separate compilation unit, we do not have access to the MIDX field.

Instead, add a "from_midx" field to the bitmapped_pack structure so that
we can use that piece of data from outside of pack-bitmap.c. The caller
that uses this new piece of information will be added in the following
commit.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau
2024-08-27 17:13:30 -04:00
committed by Junio C Hamano
parent bbc393a9f3
commit 41cd4b478f
3 changed files with 3 additions and 0 deletions
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pack-bitmap.c
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@ -2322,6 +2322,7 @@ void reuse_partial_packfile_from_bitmap(struct bitmap_index *bitmap_git,
packs[packs_nr].pack_int_id = pack_int_id;
packs[packs_nr].bitmap_nr = pack->num_objects;
packs[packs_nr].bitmap_pos = 0;
packs[packs_nr].from_midx = bitmap_git->midx;
objects_nr = packs[packs_nr++].bitmap_nr;
}