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pack-bitmap-write: learn pack.writeBitmapLookupTable and add tests

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Teach Git to provide a way for users to enable/disable bitmap lookup
table extension by providing a config option named 'writeBitmapLookupTable'.
Default is false.

Also add test to verify writting of lookup table.

Mentored-by: Taylor Blau <me@ttaylorr.com>
Co-Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Co-Authored-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Abhradeep Chakraborty <chakrabortyabhradeep79@gmail.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Abhradeep Chakraborty
2022-08-14 16:55:09 +00:00
committed by Junio C Hamano
parent 93eb41e240
commit 76f14b777c
9 changed files with 772 additions and 622 deletions
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7
builtin/multi-pack-index.c
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@ -87,6 +87,13 @@ static int git_multi_pack_index_write_config(const char *var, const char *value,
opts.flags &= ~MIDX_WRITE_BITMAP_HASH_CACHE;
}
if (!strcmp(var, "pack.writebitmaplookuptable")) {
if (git_config_bool(var, value))
opts.flags |= MIDX_WRITE_BITMAP_LOOKUP_TABLE;
else
opts.flags &= ~MIDX_WRITE_BITMAP_LOOKUP_TABLE;
}
/*
* We should never make a fall-back call to 'git_default_config', since
* this was already called in 'cmd_multi_pack_index()'.