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-rwxr-xr-xt/t5326-multi-pack-bitmaps.sh73
1 files changed, 71 insertions, 2 deletions
diff --git a/t/t5326-multi-pack-bitmaps.sh b/t/t5326-multi-pack-bitmaps.sh
index 70d1b58709..d27557b9b0 100755
--- a/t/t5326-multi-pack-bitmaps.sh
+++ b/t/t5326-multi-pack-bitmaps.sh
@@ -1,13 +1,14 @@
#!/bin/sh
test_description='exercise basic multi-pack bitmap functionality'
+
. ./test-lib.sh
. "${TEST_DIRECTORY}/lib-bitmap.sh"
-# We'll be writing our own midx and bitmaps, so avoid getting confused by the
+# We'll be writing our own MIDX, so avoid getting confused by the
# automatic ones.
GIT_TEST_MULTI_PACK_INDEX=0
-GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0
+GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL=0
# This test exercise multi-pack bitmap functionality where the object order is
# stored and read from a special chunk within the MIDX, so use the default
@@ -434,6 +435,27 @@ test_expect_success 'tagged commits are selected for bitmapping' '
)
'
+test_expect_success 'do not follow replace objects for MIDX bitmap' '
+ rm -fr repo &&
+ git init repo &&
+ test_when_finished "rm -fr repo" &&
+ (
+ cd repo &&
+
+ test_commit A &&
+ test_commit B &&
+ git checkout --orphan=orphan A &&
+ test_commit orphan &&
+
+ git replace A HEAD &&
+ git repack -ad --write-midx --write-bitmap-index &&
+
+ # generating reachability bitmaps with replace refs
+ # enabled will result in broken clones
+ git clone --no-local --bare . clone.git
+ )
+'
+
corrupt_file () {
chmod a+w "$1" &&
printf "bogus" | dd of="$1" bs=1 seek="12" conv=notrunc
@@ -513,4 +535,51 @@ test_expect_success 'corrupt MIDX with bitmap causes fallback' '
)
'
+for allow_pack_reuse in single multi
+do
+ test_expect_success "reading MIDX without BTMP chunk does not complain with $allow_pack_reuse pack reuse" '
+ test_when_finished "rm -rf midx-without-btmp" &&
+ git init midx-without-btmp &&
+ (
+ cd midx-without-btmp &&
+ test_commit initial &&
+
+ git repack -Adbl --write-bitmap-index --write-midx &&
+ GIT_TEST_MIDX_READ_BTMP=false git -c pack.allowPackReuse=$allow_pack_reuse \
+ pack-objects --all --use-bitmap-index --stdout </dev/null >/dev/null 2>err &&
+ test_must_be_empty err
+ )
+ '
+done
+
+test_expect_success 'remove one packfile between MIDX bitmap writes' '
+ git init remove-pack-between-writes &&
+ (
+ cd remove-pack-between-writes &&
+
+ test_commit A &&
+ test_commit B &&
+ test_commit C &&
+
+ # Create packs with the prefix "pack-A", "pack-B",
+ # "pack-C" to impose a lexicographic order on these
+ # packs so the pack being removed is always from the
+ # middle.
+ packdir=.git/objects/pack &&
+ A="$(echo A | git pack-objects $packdir/pack-A --revs)" &&
+ B="$(echo B | git pack-objects $packdir/pack-B --revs)" &&
+ C="$(echo C | git pack-objects $packdir/pack-C --revs)" &&
+
+ git multi-pack-index write --bitmap &&
+
+ cat >in <<-EOF &&
+ pack-A-$A.idx
+ pack-C-$C.idx
+ EOF
+ git multi-pack-index write --bitmap --stdin-packs <in &&
+
+ git rev-list --test-bitmap HEAD
+ )
+'
+
test_done