GIT_TEST_MULTI_PACK_INDEX=0
GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0
-objdir=.git/objects
-midx=$objdir/pack/multi-pack-index
+# 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
+# behavior here.
+sane_unset GIT_TEST_MIDX_WRITE_REV
+sane_unset GIT_TEST_MIDX_READ_RIDX
-# midx_pack_source <obj>
-midx_pack_source () {
- test-tool read-midx --show-objects .git/objects | grep "^$1 " | cut -f2
-}
-
-setup_bitmap_history
-
-test_expect_success 'enable core.multiPackIndex' '
- git config core.multiPackIndex true
-'
-
-test_expect_success 'create single-pack midx with bitmaps' '
- git repack -ad &&
- git multi-pack-index write --bitmap &&
- test_path_is_file $midx &&
- test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_file $midx-$(midx_checksum $objdir).rev
-'
-
-basic_bitmap_tests
-
-test_expect_success 'create new additional packs' '
- for i in $(test_seq 1 16)
- do
- test_commit "$i" &&
- git repack -d || return 1
- done &&
-
- git checkout -b other2 HEAD~8 &&
- for i in $(test_seq 1 8)
- do
- test_commit "side-$i" &&
- git repack -d || return 1
- done &&
- git checkout second
-'
-
-test_expect_success 'create multi-pack midx with bitmaps' '
- git multi-pack-index write --bitmap &&
-
- ls $objdir/pack/pack-*.pack >packs &&
- test_line_count = 25 packs &&
-
- test_path_is_file $midx &&
- test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_file $midx-$(midx_checksum $objdir).rev
-'
-
-basic_bitmap_tests
-
-test_expect_success '--no-bitmap is respected when bitmaps exist' '
- git multi-pack-index write --bitmap &&
-
- test_commit respect--no-bitmap &&
- git repack -d &&
-
- test_path_is_file $midx &&
- test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_file $midx-$(midx_checksum $objdir).rev &&
-
- git multi-pack-index write --no-bitmap &&
-
- test_path_is_file $midx &&
- test_path_is_missing $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_missing $midx-$(midx_checksum $objdir).rev
-'
-
-test_expect_success 'setup midx with base from later pack' '
- # Write a and b so that "a" is a delta on top of base "b", since Git
- # prefers to delete contents out of a base rather than add to a shorter
- # object.
- test_seq 1 128 >a &&
- test_seq 1 130 >b &&
-
- git add a b &&
- git commit -m "initial commit" &&
-
- a=$(git rev-parse HEAD:a) &&
- b=$(git rev-parse HEAD:b) &&
-
- # In the first pack, "a" is stored as a delta to "b".
- p1=$(git pack-objects .git/objects/pack/pack <<-EOF
- $a
- $b
- EOF
- ) &&
-
- # In the second pack, "a" is missing, and "b" is not a delta nor base to
- # any other object.
- p2=$(git pack-objects .git/objects/pack/pack <<-EOF
- $b
- $(git rev-parse HEAD)
- $(git rev-parse HEAD^{tree})
- EOF
- ) &&
-
- git prune-packed &&
- # Use the second pack as the preferred source, so that "b" occurs
- # earlier in the MIDX object order, rendering "a" unusable for pack
- # reuse.
- git multi-pack-index write --bitmap --preferred-pack=pack-$p2.idx &&
-
- have_delta $a $b &&
- test $(midx_pack_source $a) != $(midx_pack_source $b)
-'
-
-rev_list_tests 'full bitmap with backwards delta'
-
-test_expect_success 'clone with bitmaps enabled' '
- git clone --no-local --bare . clone-reverse-delta.git &&
- test_when_finished "rm -fr clone-reverse-delta.git" &&
-
- git rev-parse HEAD >expect &&
- git --git-dir=clone-reverse-delta.git rev-parse HEAD >actual &&
- test_cmp expect actual
-'
+midx_bitmap_core
bitmap_reuse_tests() {
from=$1
)
'
-test_expect_success 'setup partial bitmaps' '
- test_commit packed &&
- git repack &&
- test_commit loose &&
- git multi-pack-index write --bitmap 2>err &&
- test_path_is_file $midx &&
- test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_file $midx-$(midx_checksum $objdir).rev
-'
-
-basic_bitmap_tests HEAD~
+midx_bitmap_partial_tests
test_expect_success 'removing a MIDX clears stale bitmaps' '
rm -fr repo &&
# Write a MIDX and bitmap; remove the MIDX but leave the bitmap.
stale_bitmap=$midx-$(midx_checksum $objdir).bitmap &&
- stale_rev=$midx-$(midx_checksum $objdir).rev &&
rm $midx &&
# Then write a new MIDX.
test_path_is_file $midx &&
test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_file $midx-$(midx_checksum $objdir).rev &&
- test_path_is_missing $stale_bitmap &&
- test_path_is_missing $stale_rev
+ test_path_is_missing $stale_bitmap
)
'
git multi-pack-index write --bitmap &&
test_path_is_file $midx &&
test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
- test_path_is_file $midx-$(midx_checksum $objdir).rev &&
test-tool bitmap list-commits | sort >bitmaps &&
comm -13 bitmaps commits >before &&
<before | git update-ref --stdin &&
rm -fr $midx-$(midx_checksum $objdir).bitmap &&
- rm -fr $midx-$(midx_checksum $objdir).rev &&
rm -fr $midx &&
git -c pack.preferBitmapTips=refs/tags/include \
grep "$(git rev-parse two)" bitmaps &&
rm -fr $midx-$(midx_checksum $objdir).bitmap &&
- rm -fr $midx-$(midx_checksum $objdir).rev &&
rm -fr $midx &&
# Then again, but with a refs snapshot which only sees
) >snapshot &&
rm -fr $midx-$(midx_checksum $objdir).bitmap &&
- rm -fr $midx-$(midx_checksum $objdir).rev &&
rm -fr $midx &&
git multi-pack-index write --bitmap --refs-snapshot=snapshot &&
)
'
+test_expect_success 'graceful fallback when missing reverse index' '
+ rm -fr repo &&
+ git init repo &&
+ test_when_finished "rm -fr repo" &&
+ (
+ cd repo &&
+
+ test_commit base &&
+
+ # write a pack and MIDX bitmap containing base
+ git repack -adb &&
+ git multi-pack-index write --bitmap &&
+
+ GIT_TEST_MIDX_READ_RIDX=0 \
+ git rev-list --use-bitmap-index HEAD 2>err &&
+ ! grep "ignoring extra bitmap file" err
+ )
+'
+
test_done
projects / thirdparty / git.git / blobdiff