git/t/perf/p5310-pack-bitmaps.sh

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#!/bin/sh
test_description='Tests pack performance using bitmaps'
. ./perf-lib.sh
. "${TEST_DIRECTORY}/perf/lib-bitmap.sh"
test_lookup_pack_bitmap () {
test_expect_success 'start the test from scratch' '
rm -rf * .git
'
test_perf_large_repo
# note that we do everything through config,
# since we want to be able to compare bitmap-aware
# git versus non-bitmap git
#
# We intentionally use the deprecated pack.writebitmaps
# config so that we can test against older versions of git.
test_expect_success 'setup bitmap config' '
git config pack.writebitmaps true
'
# we need to create the tag up front such that it is covered by the repack and
# thus by generated bitmaps.
test_expect_success 'create tags' '
git tag --message="tag pointing to HEAD" perf-tag HEAD
'
test_perf "enable lookup table: $1" '
git config pack.writeBitmapLookupTable '"$1"'
'
test_pack_bitmap
}
test_lookup_pack_bitmap false
test_lookup_pack_bitmap true
test_done