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-rwxr-xr-xt/t7700-repack.sh138
1 files changed, 138 insertions, 0 deletions
diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
index 98eda3bfeb..0260ad6f0e 100755
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -3,6 +3,8 @@
test_description='git repack works correctly'
. ./test-lib.sh
+. "${TEST_DIRECTORY}/lib-bitmap.sh"
+. "${TEST_DIRECTORY}/lib-midx.sh"
commit_and_pack () {
test_commit "$@" 1>&2 &&
@@ -234,4 +236,140 @@ test_expect_success 'auto-bitmaps do not complain if unavailable' '
test_must_be_empty actual
'
+objdir=.git/objects
+midx=$objdir/pack/multi-pack-index
+
+test_expect_success 'setup for --write-midx tests' '
+ git init midx &&
+ (
+ cd midx &&
+ git config core.multiPackIndex true &&
+
+ test_commit base
+ )
+'
+
+test_expect_success '--write-midx unchanged' '
+ (
+ cd midx &&
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack &&
+ test_path_is_missing $midx &&
+ test_path_is_missing $midx-*.bitmap &&
+
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
+
+ test_path_is_file $midx &&
+ test_path_is_missing $midx-*.bitmap &&
+ test_midx_consistent $objdir
+ )
+'
+
+test_expect_success '--write-midx with a new pack' '
+ (
+ cd midx &&
+ test_commit loose &&
+
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
+
+ test_path_is_file $midx &&
+ test_path_is_missing $midx-*.bitmap &&
+ test_midx_consistent $objdir
+ )
+'
+
+test_expect_success '--write-midx with -b' '
+ (
+ cd midx &&
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack -mb &&
+
+ test_path_is_file $midx &&
+ test_path_is_file $midx-*.bitmap &&
+ test_midx_consistent $objdir
+ )
+'
+
+test_expect_success '--write-midx with -d' '
+ (
+ cd midx &&
+ test_commit repack &&
+
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ad --write-midx &&
+
+ test_path_is_file $midx &&
+ test_path_is_missing $midx-*.bitmap &&
+ test_midx_consistent $objdir
+ )
+'
+
+test_expect_success 'cleans up MIDX when appropriate' '
+ (
+ cd midx &&
+
+ test_commit repack-2 &&
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
+
+ checksum=$(midx_checksum $objdir) &&
+ test_path_is_file $midx &&
+ test_path_is_file $midx-$checksum.bitmap &&
+ test_path_is_file $midx-$checksum.rev &&
+
+ test_commit repack-3 &&
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
+
+ test_path_is_file $midx &&
+ test_path_is_missing $midx-$checksum.bitmap &&
+ test_path_is_missing $midx-$checksum.rev &&
+ test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
+ test_path_is_file $midx-$(midx_checksum $objdir).rev &&
+
+ test_commit repack-4 &&
+ GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb &&
+
+ find $objdir/pack -type f -name "multi-pack-index*" >files &&
+ test_must_be_empty files
+ )
+'
+
+test_expect_success '--write-midx with preferred bitmap tips' '
+ git init midx-preferred-tips &&
+ test_when_finished "rm -fr midx-preferred-tips" &&
+ (
+ cd midx-preferred-tips &&
+
+ test_commit_bulk --message="%s" 103 &&
+
+ git log --format="%H" >commits.raw &&
+ sort <commits.raw >commits &&
+
+ git log --format="create refs/tags/%s/%s %H" HEAD >refs &&
+ git update-ref --stdin <refs &&
+
+ git repack --write-midx --write-bitmap-index &&
+ test_path_is_file $midx &&
+ test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
+
+ test-tool bitmap list-commits | sort >bitmaps &&
+ comm -13 bitmaps commits >before &&
+ test_line_count = 1 before &&
+
+ rm -fr $midx-$(midx_checksum $objdir).bitmap &&
+ rm -fr $midx-$(midx_checksum $objdir).rev &&
+ rm -fr $midx &&
+
+ # instead of constructing the snapshot ourselves (c.f., the test
+ # "write a bitmap with --refs-snapshot (preferred tips)" in
+ # t5326), mark the missing commit as preferred by adding it to
+ # the pack.preferBitmapTips configuration.
+ git for-each-ref --format="%(refname:rstrip=1)" \
+ --points-at="$(cat before)" >missing &&
+ git config pack.preferBitmapTips "$(cat missing)" &&
+ git repack --write-midx --write-bitmap-index &&
+
+ test-tool bitmap list-commits | sort >bitmaps &&
+ comm -13 bitmaps commits >after &&
+
+ ! test_cmp before after
+ )
+'
+
test_done