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-rwxr-xr-xt/t5310-pack-bitmaps.sh38
1 files changed, 38 insertions, 0 deletions
diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh
index 40b9f63..f53efc8 100755
--- a/t/t5310-pack-bitmaps.sh
+++ b/t/t5310-pack-bitmaps.sh
@@ -554,4 +554,42 @@ test_expect_success 'fetch with bitmaps can reuse old base' '
)
'
+test_expect_success 'pack.preferBitmapTips' '
+ git init repo &&
+ test_when_finished "rm -fr repo" &&
+ (
+ cd repo &&
+
+ # create enough commits that not all are receive bitmap
+ # coverage even if they are all at the tip of some reference.
+ test_commit_bulk --message="%s" 103 &&
+
+ git rev-list HEAD >commits.raw &&
+ sort <commits.raw >commits &&
+
+ git log --format="create refs/tags/%s %H" HEAD >refs &&
+ git update-ref --stdin <refs &&
+
+ git repack -adb &&
+ test-tool bitmap list-commits | sort >bitmaps &&
+
+ # remember which commits did not receive bitmaps
+ comm -13 bitmaps commits >before &&
+ test_file_not_empty before &&
+
+ # mark the commits which did not receive bitmaps as preferred,
+ # and generate the bitmap again
+ perl -pe "s{^}{create refs/tags/include/$. }" <before |
+ git update-ref --stdin &&
+ git -c pack.preferBitmapTips=refs/tags/include repack -adb &&
+
+ # finally, check that the commit(s) without bitmap coverage
+ # are not the same ones as before
+ test-tool bitmap list-commits | sort >bitmaps &&
+ comm -13 bitmaps commits >after &&
+
+ ! test_cmp before after
+ )
+'
+
test_done