t/perf/p5310-pack-bitmaps.sh

   1 #!/bin/sh
   2
   3 test_description='Tests pack performance using bitmaps'
   4 . ./perf-lib.sh
   5 . "${TEST_DIRECTORY}/perf/lib-bitmap.sh"
   6
   7 test_lookup_pack_bitmap () {
   8         test_expect_success 'start the test from scratch' '
   9                 rm -rf * .git
  10         '
  11
  12         test_perf_large_repo
  13
  14         # note that we do everything through config,
  15         # since we want to be able to compare bitmap-aware
  16         # git versus non-bitmap git
  17         #
  18         # We intentionally use the deprecated pack.writebitmaps
  19         # config so that we can test against older versions of git.
  20         test_expect_success 'setup bitmap config' '
  21                 git config pack.writebitmaps true
  22         '
  23
  24         # we need to create the tag up front such that it is covered by the repack and
  25         # thus by generated bitmaps.
  26         test_expect_success 'create tags' '
  27                 git tag --message="tag pointing to HEAD" perf-tag HEAD
  28         '
  29
  30         test_perf "enable lookup table: $1" '
  31                 git config pack.writeBitmapLookupTable '"$1"'
  32         '
  33
  34         test_pack_bitmap
  35 }
  36
  37 test_lookup_pack_bitmap false
  38 test_lookup_pack_bitmap true
  39
  40 test_done