Kirill Smelkov <k...@nexedi.com> writes:
> diff --git a/Documentation/config.txt b/Documentation/config.txt
> index bc1c433..4ba0c4a 100644
> --- a/Documentation/config.txt
> +++ b/Documentation/config.txt
> @@ -2244,6 +2244,9 @@ pack.useBitmaps::
> to stdout (e.g., during the server side of a fetch). Defaults to
> true. You should not generally need to turn this off unless
> you are debugging pack bitmaps.
> +*NOTE*: when packing to file (e.g., on repack) the default is always not to
> + pack bitmaps.
This is a bit hard to read and understand.
The patched result starts with "When true, git will use bitmap when
packing to stdout", i.e. when packing to file, git will not. So
this *NOTE* is repeating the same thing. The reader is made to
wonder "Why does it need to repeat the same thing? Does this mean
when the variable is set, a pack sent to a disk uses the bitmap?"
I think what you actually do in the code is to make the variable
affect _only_ the standard-output case, and users need a command
line option if they want to use bitmap when writing to a file (the
code to do so looks correctly done).
> diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh
> index 3893afd..ffecc6a 100755
> --- a/t/t5310-pack-bitmaps.sh
> +++ b/t/t5310-pack-bitmaps.sh
> @@ -118,6 +118,18 @@ test_expect_success 'incremental repack can disable
> bitmaps' '
> git repack -d --no-write-bitmap-index
> +test_expect_success 'pack-objects to file can use bitmap' '
> + # make sure we still have 1 bitmap index from previous tests
> + ls .git/objects/pack/ | grep bitmap >output &&
> + test_line_count = 1 output &&
> + # verify equivalent packs are generated with/without using bitmap index
> + packasha1=$(git pack-objects --no-use-bitmap-index --all packa
> </dev/null) &&
> + packbsha1=$(git pack-objects --use-bitmap-index --all packb </dev/null)
> + git show-index <packa-$packasha1.idx | cut -d" " -f2 >packa.objects &&
> + git show-index <packb-$packbsha1.idx | cut -d" " -f2 >packb.objects &&
> + test_cmp packa.objects packb.objects
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