1210 lines
34 KiB
Bash
Executable File
1210 lines
34 KiB
Bash
Executable File
#!/bin/sh
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test_description='multi-pack-indexes'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-chunk.sh
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GIT_TEST_MULTI_PACK_INDEX=0
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objdir=.git/objects
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HASH_LEN=$(test_oid rawsz)
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midx_read_expect () {
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NUM_PACKS=$1
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NUM_OBJECTS=$2
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NUM_CHUNKS=$3
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OBJECT_DIR=$4
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EXTRA_CHUNKS="$5"
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{
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cat <<-EOF &&
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header: 4d494458 1 $HASH_LEN $NUM_CHUNKS $NUM_PACKS
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chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS
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num_objects: $NUM_OBJECTS
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packs:
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EOF
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if test $NUM_PACKS -ge 1
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then
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ls $OBJECT_DIR/pack/ | grep idx | sort
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fi &&
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printf "object-dir: $OBJECT_DIR\n"
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} >expect &&
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test-tool read-midx $OBJECT_DIR >actual &&
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test_cmp expect actual
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}
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test_expect_success 'setup' '
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test_oid_cache <<-EOF
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idxoff sha1:2999
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idxoff sha256:3739
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packnameoff sha1:652
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packnameoff sha256:940
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fanoutoff sha1:1
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fanoutoff sha256:3
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EOF
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'
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test_expect_success "don't write midx with no packs" '
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test_must_fail git multi-pack-index --object-dir=. write &&
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test_path_is_missing pack/multi-pack-index
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'
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test_expect_success SHA1 'warn if a midx contains no oid' '
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cp "$TEST_DIRECTORY"/t5319/no-objects.midx $objdir/pack/multi-pack-index &&
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test_must_fail git multi-pack-index verify &&
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rm $objdir/pack/multi-pack-index
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'
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generate_objects () {
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i=$1
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iii=$(printf '%03i' $i)
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{
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test-tool genrandom "bar" 200 &&
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test-tool genrandom "baz $iii" 50
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} >wide_delta_$iii &&
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{
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test-tool genrandom "foo"$i 100 &&
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test-tool genrandom "foo"$(( $i + 1 )) 100 &&
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test-tool genrandom "foo"$(( $i + 2 )) 100
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} >deep_delta_$iii &&
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{
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echo $iii &&
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test-tool genrandom "$iii" 8192
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} >file_$iii &&
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git update-index --add file_$iii deep_delta_$iii wide_delta_$iii
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}
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commit_and_list_objects () {
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{
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echo 101 &&
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test-tool genrandom 100 8192;
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} >file_101 &&
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git update-index --add file_101 &&
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tree=$(git write-tree) &&
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commit=$(git commit-tree $tree -p HEAD</dev/null) &&
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{
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echo $tree &&
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git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
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} >obj-list &&
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git reset --hard $commit
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}
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test_expect_success 'create objects' '
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test_commit initial &&
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for i in $(test_seq 1 5)
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do
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generate_objects $i || return 1
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done &&
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commit_and_list_objects
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'
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test_expect_success 'write midx with one v1 pack' '
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pack=$(git pack-objects --index-version=1 $objdir/pack/test <obj-list) &&
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test_when_finished rm $objdir/pack/test-$pack.pack \
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$objdir/pack/test-$pack.idx $objdir/pack/multi-pack-index &&
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git multi-pack-index --object-dir=$objdir write &&
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midx_read_expect 1 18 4 $objdir
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'
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midx_git_two_modes () {
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git -c core.multiPackIndex=false $1 >expect &&
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git -c core.multiPackIndex=true $1 >actual &&
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if [ "$2" = "sorted" ]
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then
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sort <expect >expect.sorted &&
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mv expect.sorted expect &&
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sort <actual >actual.sorted &&
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mv actual.sorted actual
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fi &&
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test_cmp expect actual
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}
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compare_results_with_midx () {
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MSG=$1
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test_expect_success "check normal git operations: $MSG" '
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midx_git_two_modes "rev-list --objects --all" &&
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midx_git_two_modes "log --raw" &&
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midx_git_two_modes "count-objects --verbose" &&
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midx_git_two_modes "cat-file --batch-all-objects --batch-check" &&
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midx_git_two_modes "cat-file --batch-all-objects --batch-check --unordered" sorted
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'
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}
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test_expect_success 'write midx with one v2 pack' '
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git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list &&
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git multi-pack-index --object-dir=$objdir write &&
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midx_read_expect 1 18 4 $objdir
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'
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compare_results_with_midx "one v2 pack"
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test_expect_success 'corrupt idx reports errors' '
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idx=$(test-tool read-midx $objdir | grep "\.idx\$") &&
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mv $objdir/pack/$idx backup-$idx &&
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test_when_finished "mv backup-\$idx \$objdir/pack/\$idx" &&
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# This is the minimum size for a sha-1 based .idx; this lets
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# us pass perfunctory tests, but anything that actually opens and reads
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# the idx file will complain.
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test_copy_bytes 1064 <backup-$idx >$objdir/pack/$idx &&
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git -c core.multiPackIndex=true rev-list --objects --all 2>err &&
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grep "index unavailable" err
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'
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test_expect_success 'add more objects' '
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for i in $(test_seq 6 10)
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do
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generate_objects $i || return 1
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done &&
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commit_and_list_objects
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'
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test_expect_success 'write midx with two packs' '
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git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list &&
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git multi-pack-index --object-dir=$objdir write &&
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midx_read_expect 2 34 4 $objdir
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'
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compare_results_with_midx "two packs"
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test_expect_success 'write midx with --stdin-packs' '
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rm -fr $objdir/pack/multi-pack-index &&
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idx="$(find $objdir/pack -name "test-2-*.idx")" &&
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basename "$idx" >in &&
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git multi-pack-index write --stdin-packs <in &&
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test-tool read-midx $objdir | grep "\.idx$" >packs &&
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test_cmp packs in
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'
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compare_results_with_midx "mixed mode (one pack + extra)"
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test_expect_success 'write with no objects and preferred pack' '
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test_when_finished "rm -rf empty" &&
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git init empty &&
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test_must_fail git -C empty multi-pack-index write \
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--stdin-packs --preferred-pack=does-not-exist </dev/null 2>err &&
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cat >expect <<-EOF &&
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warning: unknown preferred pack: ${SQ}does-not-exist${SQ}
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error: no pack files to index.
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EOF
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test_cmp expect err
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'
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test_expect_success 'write progress off for redirected stderr' '
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git multi-pack-index --object-dir=$objdir write 2>err &&
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test_line_count = 0 err
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'
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test_expect_success 'write force progress on for stderr' '
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GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir write --progress 2>err &&
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test_file_not_empty err
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'
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test_expect_success 'write with the --no-progress option' '
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GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir write --no-progress 2>err &&
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test_line_count = 0 err
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'
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test_expect_success 'add more packs' '
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for j in $(test_seq 11 20)
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do
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generate_objects $j &&
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commit_and_list_objects &&
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git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list || return 1
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done
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'
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compare_results_with_midx "mixed mode (two packs + extra)"
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test_expect_success 'write midx with twelve packs' '
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git multi-pack-index --object-dir=$objdir write &&
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midx_read_expect 12 74 4 $objdir
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'
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compare_results_with_midx "twelve packs"
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test_expect_success 'multi-pack-index *.rev cleanup with --object-dir' '
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git init repo &&
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git clone -s repo alternate &&
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test_when_finished "rm -rf repo alternate" &&
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(
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cd repo &&
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test_commit base &&
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git repack -d
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) &&
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ours="alternate/.git/objects/pack/multi-pack-index-123.rev" &&
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theirs="repo/.git/objects/pack/multi-pack-index-abc.rev" &&
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touch "$ours" "$theirs" &&
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(
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cd alternate &&
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git multi-pack-index --object-dir ../repo/.git/objects write
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) &&
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# writing a midx in "repo" should not remove the .rev file in the
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# alternate
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test_path_is_file repo/.git/objects/pack/multi-pack-index &&
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test_path_is_file $ours &&
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test_path_is_missing $theirs
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'
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test_expect_success 'warn on improper hash version' '
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git init --object-format=sha1 sha1 &&
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(
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cd sha1 &&
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git config core.multiPackIndex true &&
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test_commit 1 &&
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git repack -a &&
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git multi-pack-index write &&
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mv .git/objects/pack/multi-pack-index ../mpi-sha1
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) &&
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git init --object-format=sha256 sha256 &&
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(
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cd sha256 &&
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git config core.multiPackIndex true &&
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test_commit 1 &&
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git repack -a &&
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git multi-pack-index write &&
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mv .git/objects/pack/multi-pack-index ../mpi-sha256
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) &&
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(
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cd sha1 &&
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mv ../mpi-sha256 .git/objects/pack/multi-pack-index &&
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git log -1 2>err &&
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test_grep "multi-pack-index hash version 2 does not match version 1" err
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) &&
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(
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cd sha256 &&
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mv ../mpi-sha1 .git/objects/pack/multi-pack-index &&
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git log -1 2>err &&
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test_grep "multi-pack-index hash version 1 does not match version 2" err
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)
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'
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test_expect_success 'midx picks objects from preferred pack' '
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test_when_finished rm -rf preferred.git &&
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git init --bare preferred.git &&
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(
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cd preferred.git &&
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a=$(echo "a" | git hash-object -w --stdin) &&
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b=$(echo "b" | git hash-object -w --stdin) &&
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c=$(echo "c" | git hash-object -w --stdin) &&
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# Set up two packs, duplicating the object "B" at different
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# offsets.
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#
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# Note that the "BC" pack (the one we choose as preferred) sorts
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# lexically after the "AB" pack, meaning that omitting the
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# --preferred-pack argument would cause this test to fail (since
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# the MIDX code would select the copy of "b" in the "AB" pack).
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git pack-objects objects/pack/test-AB <<-EOF &&
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$a
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$b
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EOF
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bc=$(git pack-objects objects/pack/test-BC <<-EOF
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$b
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$c
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EOF
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) &&
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git multi-pack-index --object-dir=objects \
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write --preferred-pack=test-BC-$bc.idx 2>err &&
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test_must_be_empty err &&
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test-tool read-midx --show-objects objects >out &&
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ofs=$(git show-index <objects/pack/test-BC-$bc.idx | grep $b |
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cut -d" " -f1) &&
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printf "%s %s\tobjects/pack/test-BC-%s.pack\n" \
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"$b" "$ofs" "$bc" >expect &&
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grep ^$b out >actual &&
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test_cmp expect actual
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)
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'
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test_expect_success 'preferred packs must be non-empty' '
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test_when_finished rm -rf preferred.git &&
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git init preferred.git &&
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(
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cd preferred.git &&
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test_commit base &&
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git repack -ad &&
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empty="$(git pack-objects $objdir/pack/pack </dev/null)" &&
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test_must_fail git multi-pack-index write \
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--preferred-pack=pack-$empty.pack 2>err &&
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grep "with no objects" err
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)
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'
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test_expect_success 'verify multi-pack-index success' '
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git multi-pack-index verify --object-dir=$objdir
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'
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test_expect_success 'verify progress off for redirected stderr' '
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git multi-pack-index verify --object-dir=$objdir 2>err &&
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test_line_count = 0 err
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'
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test_expect_success 'verify force progress on for stderr' '
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git multi-pack-index verify --object-dir=$objdir --progress 2>err &&
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test_file_not_empty err
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'
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test_expect_success 'verify with the --no-progress option' '
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git multi-pack-index verify --object-dir=$objdir --no-progress 2>err &&
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test_line_count = 0 err
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'
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# usage: corrupt_midx_and_verify <pos> <data> <objdir> <string>
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corrupt_midx_and_verify() {
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POS=$1 &&
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DATA="${2:-\0}" &&
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OBJDIR=$3 &&
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GREPSTR="$4" &&
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COMMAND="$5" &&
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if test -z "$COMMAND"
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then
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COMMAND="git multi-pack-index verify --object-dir=$OBJDIR"
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fi &&
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FILE=$OBJDIR/pack/multi-pack-index &&
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chmod a+w $FILE &&
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test_when_finished mv midx-backup $FILE &&
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cp $FILE midx-backup &&
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printf "$DATA" | dd of="$FILE" bs=1 seek="$POS" conv=notrunc &&
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test_must_fail $COMMAND 2>test_err &&
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grep -v "^+" test_err >err &&
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test_grep "$GREPSTR" err
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}
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test_expect_success 'verify bad signature' '
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corrupt_midx_and_verify 0 "\00" $objdir \
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"multi-pack-index signature"
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'
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NUM_OBJECTS=74
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MIDX_BYTE_VERSION=4
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MIDX_BYTE_OID_VERSION=5
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MIDX_BYTE_CHUNK_COUNT=6
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MIDX_HEADER_SIZE=12
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MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE
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MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4))
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MIDX_NUM_CHUNKS=5
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MIDX_CHUNK_LOOKUP_WIDTH=12
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MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \
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$MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH))
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MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2))
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MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + $(test_oid packnameoff)))
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MIDX_OID_FANOUT_WIDTH=4
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MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + $(test_oid fanoutoff)))
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MIDX_OFFSET_OID_LOOKUP=$(($MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH))
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MIDX_BYTE_OID_LOOKUP=$(($MIDX_OFFSET_OID_LOOKUP + 16 * $HASH_LEN))
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MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN))
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MIDX_OFFSET_WIDTH=8
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MIDX_BYTE_PACK_INT_ID=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 2))
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MIDX_BYTE_OFFSET=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 6))
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test_expect_success 'verify bad version' '
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corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \
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"multi-pack-index version"
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'
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test_expect_success 'verify bad OID version' '
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corrupt_midx_and_verify $MIDX_BYTE_OID_VERSION "\03" $objdir \
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"hash version"
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'
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test_expect_success 'verify truncated chunk count' '
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corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\01" $objdir \
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"final chunk has non-zero id"
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'
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test_expect_success 'verify extended chunk count' '
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corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\07" $objdir \
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"terminating chunk id appears earlier than expected"
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'
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test_expect_success 'verify missing required chunk' '
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corrupt_midx_and_verify $MIDX_BYTE_CHUNK_ID "\01" $objdir \
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"required pack-name chunk missing"
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'
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test_expect_success 'verify invalid chunk offset' '
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corrupt_midx_and_verify $MIDX_BYTE_CHUNK_OFFSET "\01" $objdir \
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"improper chunk offset(s)"
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'
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test_expect_success 'verify packnames out of order' '
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corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \
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"pack names out of order"
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'
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test_expect_success 'verify packnames out of order' '
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corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \
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"failed to load pack"
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'
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test_expect_success 'verify oid fanout out of order' '
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corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \
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"oid fanout out of order"
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'
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test_expect_success 'verify oid lookup out of order' '
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corrupt_midx_and_verify $MIDX_BYTE_OID_LOOKUP "\00" $objdir \
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"oid lookup out of order"
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'
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test_expect_success 'verify incorrect pack-int-id' '
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corrupt_midx_and_verify $MIDX_BYTE_PACK_INT_ID "\07" $objdir \
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"bad pack-int-id"
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'
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test_expect_success 'verify incorrect offset' '
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corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \
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"incorrect object offset"
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'
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test_expect_success 'git-fsck incorrect offset' '
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corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \
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"incorrect object offset" \
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"git -c core.multiPackIndex=true fsck" &&
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test_unconfig core.multiPackIndex &&
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test_must_fail git fsck &&
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git -c core.multiPackIndex=false fsck
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'
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|
|
|
test_expect_success 'git fsck shows MIDX output with --progress' '
|
|
git fsck --progress 2>err &&
|
|
grep "Verifying OID order in multi-pack-index" err &&
|
|
grep "Verifying object offsets" err
|
|
'
|
|
|
|
test_expect_success 'git fsck suppresses MIDX output with --no-progress' '
|
|
git fsck --no-progress 2>err &&
|
|
! grep "Verifying OID order in multi-pack-index" err &&
|
|
! grep "Verifying object offsets" err
|
|
'
|
|
|
|
test_expect_success 'corrupt MIDX is not reused' '
|
|
corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \
|
|
"incorrect object offset" &&
|
|
git multi-pack-index write 2>err &&
|
|
test_grep checksum.mismatch err &&
|
|
git multi-pack-index verify
|
|
'
|
|
|
|
test_expect_success 'verify incorrect checksum' '
|
|
pos=$(($(wc -c <$objdir/pack/multi-pack-index) - 10)) &&
|
|
corrupt_midx_and_verify $pos \
|
|
"\377\377\377\377\377\377\377\377\377\377" \
|
|
$objdir "incorrect checksum"
|
|
'
|
|
|
|
test_expect_success 'repack progress off for redirected stderr' '
|
|
GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir repack 2>err &&
|
|
test_line_count = 0 err
|
|
'
|
|
|
|
test_expect_success 'repack force progress on for stderr' '
|
|
GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir repack --progress 2>err &&
|
|
test_file_not_empty err
|
|
'
|
|
|
|
test_expect_success 'repack with the --no-progress option' '
|
|
GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir repack --no-progress 2>err &&
|
|
test_line_count = 0 err
|
|
'
|
|
|
|
test_expect_success 'repack removes multi-pack-index when deleting packs' '
|
|
test_path_is_file $objdir/pack/multi-pack-index &&
|
|
# Set GIT_TEST_MULTI_PACK_INDEX to 0 to avoid writing a new
|
|
# multi-pack-index after repacking, but set "core.multiPackIndex" to
|
|
# true so that "git repack" can read the existing MIDX.
|
|
GIT_TEST_MULTI_PACK_INDEX=0 git -c core.multiPackIndex repack -adf &&
|
|
test_path_is_missing $objdir/pack/multi-pack-index
|
|
'
|
|
|
|
test_expect_success 'repack preserves multi-pack-index when creating packs' '
|
|
git init preserve &&
|
|
test_when_finished "rm -fr preserve" &&
|
|
(
|
|
cd preserve &&
|
|
packdir=.git/objects/pack &&
|
|
midx=$packdir/multi-pack-index &&
|
|
|
|
test_commit 1 &&
|
|
pack1=$(git pack-objects --all $packdir/pack) &&
|
|
touch $packdir/pack-$pack1.keep &&
|
|
test_commit 2 &&
|
|
pack2=$(git pack-objects --revs $packdir/pack) &&
|
|
touch $packdir/pack-$pack2.keep &&
|
|
|
|
git multi-pack-index write &&
|
|
cp $midx $midx.bak &&
|
|
|
|
cat >pack-input <<-EOF &&
|
|
HEAD
|
|
^HEAD~1
|
|
EOF
|
|
test_commit 3 &&
|
|
pack3=$(git pack-objects --revs $packdir/pack <pack-input) &&
|
|
test_commit 4 &&
|
|
pack4=$(git pack-objects --revs $packdir/pack <pack-input) &&
|
|
|
|
GIT_TEST_MULTI_PACK_INDEX=0 git -c core.multiPackIndex repack -ad &&
|
|
ls -la $packdir &&
|
|
test_path_is_file $packdir/pack-$pack1.pack &&
|
|
test_path_is_file $packdir/pack-$pack2.pack &&
|
|
test_path_is_missing $packdir/pack-$pack3.pack &&
|
|
test_path_is_missing $packdir/pack-$pack4.pack &&
|
|
test_cmp_bin $midx.bak $midx
|
|
)
|
|
'
|
|
|
|
compare_results_with_midx "after repack"
|
|
|
|
test_expect_success 'multi-pack-index and pack-bitmap' '
|
|
GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
|
|
git -c repack.writeBitmaps=true repack -ad &&
|
|
git multi-pack-index write &&
|
|
git rev-list --test-bitmap HEAD
|
|
'
|
|
|
|
test_expect_success 'multi-pack-index and alternates' '
|
|
git init --bare alt.git &&
|
|
echo $(pwd)/alt.git/objects >.git/objects/info/alternates &&
|
|
echo content1 >file1 &&
|
|
altblob=$(GIT_DIR=alt.git git hash-object -w file1) &&
|
|
git cat-file blob $altblob &&
|
|
git rev-list --all
|
|
'
|
|
|
|
compare_results_with_midx "with alternate (local midx)"
|
|
|
|
test_expect_success 'multi-pack-index in an alternate' '
|
|
mv .git/objects/pack/* alt.git/objects/pack &&
|
|
test_commit add_local_objects &&
|
|
git repack --local &&
|
|
git multi-pack-index write &&
|
|
midx_read_expect 1 3 4 $objdir &&
|
|
git reset --hard HEAD~1 &&
|
|
rm -f .git/objects/pack/*
|
|
'
|
|
|
|
compare_results_with_midx "with alternate (remote midx)"
|
|
|
|
# usage: corrupt_data <file> <pos> [<data>]
|
|
corrupt_data () {
|
|
file=$1
|
|
pos=$2
|
|
data="${3:-\0}"
|
|
printf "$data" | dd of="$file" bs=1 seek="$pos" conv=notrunc
|
|
}
|
|
|
|
# Force 64-bit offsets by manipulating the idx file.
|
|
# This makes the IDX file _incorrect_ so be careful to clean up after!
|
|
test_expect_success 'force some 64-bit offsets with pack-objects' '
|
|
mkdir objects64 &&
|
|
mkdir objects64/pack &&
|
|
for i in $(test_seq 1 11)
|
|
do
|
|
generate_objects 11 || return 1
|
|
done &&
|
|
commit_and_list_objects &&
|
|
pack64=$(git pack-objects --index-version=2,0x40 objects64/pack/test-64 <obj-list) &&
|
|
idx64=objects64/pack/test-64-$pack64.idx &&
|
|
chmod u+w $idx64 &&
|
|
corrupt_data $idx64 $(test_oid idxoff) "\02" &&
|
|
# objects64 is not a real repository, but can serve as an alternate
|
|
# anyway so we can write a MIDX into it
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
( cd ../objects64 && pwd ) >.git/objects/info/alternates &&
|
|
midx64=$(git multi-pack-index --object-dir=../objects64 write)
|
|
) &&
|
|
midx_read_expect 1 63 5 objects64 " large-offsets"
|
|
'
|
|
|
|
test_expect_success 'verify multi-pack-index with 64-bit offsets' '
|
|
git multi-pack-index verify --object-dir=objects64
|
|
'
|
|
|
|
NUM_OBJECTS=63
|
|
MIDX_OFFSET_OID_FANOUT=$((MIDX_OFFSET_PACKNAMES + 54))
|
|
MIDX_OFFSET_OID_LOOKUP=$((MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH))
|
|
MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN))
|
|
MIDX_OFFSET_LARGE_OFFSETS=$(($MIDX_OFFSET_OBJECT_OFFSETS + $NUM_OBJECTS * $MIDX_OFFSET_WIDTH))
|
|
MIDX_BYTE_LARGE_OFFSET=$(($MIDX_OFFSET_LARGE_OFFSETS + 3))
|
|
|
|
test_expect_success 'verify incorrect 64-bit offset' '
|
|
corrupt_midx_and_verify $MIDX_BYTE_LARGE_OFFSET "\07" objects64 \
|
|
"incorrect object offset"
|
|
'
|
|
|
|
test_expect_success 'setup expire tests' '
|
|
mkdir dup &&
|
|
(
|
|
cd dup &&
|
|
git init &&
|
|
test-tool genrandom "data" 4096 >large_file.txt &&
|
|
git update-index --add large_file.txt &&
|
|
for i in $(test_seq 1 20)
|
|
do
|
|
test_commit $i || exit 1
|
|
done &&
|
|
git branch A HEAD &&
|
|
git branch B HEAD~8 &&
|
|
git branch C HEAD~13 &&
|
|
git branch D HEAD~16 &&
|
|
git branch E HEAD~18 &&
|
|
git pack-objects --revs .git/objects/pack/pack-A <<-EOF &&
|
|
refs/heads/A
|
|
^refs/heads/B
|
|
EOF
|
|
git pack-objects --revs .git/objects/pack/pack-B <<-EOF &&
|
|
refs/heads/B
|
|
^refs/heads/C
|
|
EOF
|
|
git pack-objects --revs .git/objects/pack/pack-C <<-EOF &&
|
|
refs/heads/C
|
|
^refs/heads/D
|
|
EOF
|
|
git pack-objects --revs .git/objects/pack/pack-D <<-EOF &&
|
|
refs/heads/D
|
|
^refs/heads/E
|
|
EOF
|
|
git pack-objects --revs .git/objects/pack/pack-E <<-EOF &&
|
|
refs/heads/E
|
|
EOF
|
|
git multi-pack-index write &&
|
|
cp -r .git/objects/pack .git/objects/pack-backup
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire does not remove any packs' '
|
|
(
|
|
cd dup &&
|
|
ls .git/objects/pack >expect &&
|
|
git multi-pack-index expire &&
|
|
ls .git/objects/pack >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire progress off for redirected stderr' '
|
|
(
|
|
cd dup &&
|
|
git multi-pack-index expire 2>err &&
|
|
test_line_count = 0 err
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire force progress on for stderr' '
|
|
(
|
|
cd dup &&
|
|
GIT_PROGRESS_DELAY=0 git multi-pack-index expire --progress 2>err &&
|
|
test_file_not_empty err
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire with the --no-progress option' '
|
|
(
|
|
cd dup &&
|
|
GIT_PROGRESS_DELAY=0 git multi-pack-index expire --no-progress 2>err &&
|
|
test_line_count = 0 err
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire removes unreferenced packs' '
|
|
(
|
|
cd dup &&
|
|
git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
|
|
refs/heads/A
|
|
^refs/heads/C
|
|
EOF
|
|
git multi-pack-index write &&
|
|
ls .git/objects/pack | grep -v -e pack-[AB] >expect &&
|
|
git multi-pack-index expire &&
|
|
ls .git/objects/pack >actual &&
|
|
test_cmp expect actual &&
|
|
ls .git/objects/pack/ | grep idx >expect-idx &&
|
|
test-tool read-midx .git/objects | grep idx >actual-midx &&
|
|
test_cmp expect-idx actual-midx &&
|
|
git multi-pack-index verify &&
|
|
git fsck
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack with minimum size does not alter existing packs' '
|
|
(
|
|
cd dup &&
|
|
rm -rf .git/objects/pack &&
|
|
mv .git/objects/pack-backup .git/objects/pack &&
|
|
test-tool chmtime =-5 .git/objects/pack/pack-D* &&
|
|
test-tool chmtime =-4 .git/objects/pack/pack-C* &&
|
|
test-tool chmtime =-3 .git/objects/pack/pack-B* &&
|
|
test-tool chmtime =-2 .git/objects/pack/pack-A* &&
|
|
ls .git/objects/pack >expect &&
|
|
MINSIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | head -n 1) &&
|
|
git multi-pack-index repack --batch-size=$MINSIZE &&
|
|
ls .git/objects/pack >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack respects repack.packKeptObjects=false' '
|
|
test_when_finished rm -f dup/.git/objects/pack/*keep &&
|
|
(
|
|
cd dup &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 5 idx-list &&
|
|
ls .git/objects/pack/*.pack | sed "s/\.pack/.keep/" >keep-list &&
|
|
test_line_count = 5 keep-list &&
|
|
for keep in $(cat keep-list)
|
|
do
|
|
touch $keep || return 1
|
|
done &&
|
|
git multi-pack-index repack --batch-size=0 &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 5 idx-list &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 5 midx-list &&
|
|
THIRD_SMALLEST_SIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | sed -n 3p) &&
|
|
BATCH_SIZE=$((THIRD_SMALLEST_SIZE + 1)) &&
|
|
git multi-pack-index repack --batch-size=$BATCH_SIZE &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 5 idx-list &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 5 midx-list
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack creates a new pack' '
|
|
(
|
|
cd dup &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 5 idx-list &&
|
|
THIRD_SMALLEST_SIZE=$(test-tool path-utils file-size .git/objects/pack/*pack | sort -n | head -n 3 | tail -n 1) &&
|
|
BATCH_SIZE=$(($THIRD_SMALLEST_SIZE + 1)) &&
|
|
git multi-pack-index repack --batch-size=$BATCH_SIZE &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 6 idx-list &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 6 midx-list
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack (all) ignores cruft pack' '
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
|
|
test_commit base &&
|
|
test_commit --no-tag unreachable &&
|
|
|
|
git reset --hard base &&
|
|
git reflog expire --all --expire=all &&
|
|
git repack --cruft -d &&
|
|
|
|
git multi-pack-index write &&
|
|
|
|
find $objdir/pack | sort >before &&
|
|
git multi-pack-index repack --batch-size=0 &&
|
|
find $objdir/pack | sort >after &&
|
|
|
|
test_cmp before after
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack (--batch-size) ignores cruft pack' '
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
|
|
test_commit_bulk 5 &&
|
|
test_commit --no-tag unreachable &&
|
|
|
|
git reset --hard HEAD^ &&
|
|
git reflog expire --all --expire=all &&
|
|
git repack --cruft -d &&
|
|
|
|
test_commit four &&
|
|
|
|
find $objdir/pack -type f -name "*.pack" | sort >before &&
|
|
git repack -d &&
|
|
find $objdir/pack -type f -name "*.pack" | sort >after &&
|
|
|
|
pack="$(comm -13 before after)" &&
|
|
test_file_size "$pack" >sz &&
|
|
# Set --batch-size to twice the size of the pack created
|
|
# in the previous step, since this is enough to
|
|
# accommodate it and the cruft pack.
|
|
#
|
|
# This means that the MIDX machinery *could* combine the
|
|
# new and cruft packs together.
|
|
#
|
|
# We ensure that it does not below.
|
|
batch="$((($(cat sz) * 2)))" &&
|
|
|
|
git multi-pack-index write &&
|
|
|
|
find $objdir/pack | sort >before &&
|
|
git multi-pack-index repack --batch-size=$batch &&
|
|
find $objdir/pack | sort >after &&
|
|
|
|
test_cmp before after
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire removes repacked packs' '
|
|
(
|
|
cd dup &&
|
|
ls -al .git/objects/pack/*pack &&
|
|
ls -S .git/objects/pack/*pack | head -n 4 >expect &&
|
|
git multi-pack-index expire &&
|
|
ls -S .git/objects/pack/*pack >actual &&
|
|
test_cmp expect actual &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 4 midx-list
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire works when adding new packs' '
|
|
(
|
|
cd dup &&
|
|
git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
|
|
refs/heads/A
|
|
^refs/heads/B
|
|
EOF
|
|
git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
|
|
refs/heads/B
|
|
^refs/heads/C
|
|
EOF
|
|
git pack-objects --revs .git/objects/pack/pack-combined <<-EOF &&
|
|
refs/heads/C
|
|
^refs/heads/D
|
|
EOF
|
|
git multi-pack-index write &&
|
|
git pack-objects --revs .git/objects/pack/a-pack <<-EOF &&
|
|
refs/heads/D
|
|
^refs/heads/E
|
|
EOF
|
|
git multi-pack-index write &&
|
|
git pack-objects --revs .git/objects/pack/z-pack <<-EOF &&
|
|
refs/heads/E
|
|
EOF
|
|
git multi-pack-index expire &&
|
|
ls .git/objects/pack/ | grep idx >expect &&
|
|
test-tool read-midx .git/objects | grep idx >actual &&
|
|
test_cmp expect actual &&
|
|
git multi-pack-index verify
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expire respects .keep files' '
|
|
(
|
|
cd dup &&
|
|
git pack-objects --revs .git/objects/pack/pack-all <<-EOF &&
|
|
refs/heads/A
|
|
EOF
|
|
git multi-pack-index write &&
|
|
PACKA=$(ls .git/objects/pack/a-pack*\.pack | sed s/\.pack\$//) &&
|
|
touch $PACKA.keep &&
|
|
git multi-pack-index expire &&
|
|
test_path_is_file $PACKA.idx &&
|
|
test_path_is_file $PACKA.keep &&
|
|
test_path_is_file $PACKA.pack &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 2 midx-list
|
|
)
|
|
'
|
|
|
|
test_expect_success 'expiring unreferenced cruft pack retains pack' '
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
|
|
test_commit base &&
|
|
test_commit --no-tag unreachable &&
|
|
unreachable=$(git rev-parse HEAD) &&
|
|
|
|
git reset --hard base &&
|
|
git reflog expire --all --expire=all &&
|
|
git repack --cruft -d &&
|
|
mtimes="$(ls $objdir/pack/pack-*.mtimes)" &&
|
|
|
|
echo "base..$unreachable" >in &&
|
|
pack="$(git pack-objects --revs --delta-base-offset \
|
|
$objdir/pack/pack <in)" &&
|
|
|
|
# Preferring the contents of "$pack" will leave the
|
|
# cruft pack unreferenced (ie., none of the objects
|
|
# contained in the cruft pack will have their MIDX copy
|
|
# selected from the cruft pack).
|
|
git multi-pack-index write --preferred-pack="pack-$pack.pack" &&
|
|
git multi-pack-index expire &&
|
|
|
|
test_path_is_file "$mtimes"
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack --batch-size=0 repacks everything' '
|
|
cp -r dup dup2 &&
|
|
(
|
|
cd dup &&
|
|
rm .git/objects/pack/*.keep &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 2 idx-list &&
|
|
git multi-pack-index repack --batch-size=0 &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 3 idx-list &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 3 midx-list &&
|
|
git multi-pack-index expire &&
|
|
ls -al .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 1 idx-list &&
|
|
git multi-pack-index repack --batch-size=0 &&
|
|
ls -al .git/objects/pack/*idx >new-idx-list &&
|
|
test_cmp idx-list new-idx-list
|
|
)
|
|
'
|
|
|
|
test_expect_success 'repack --batch-size=<large> repacks everything' '
|
|
(
|
|
cd dup2 &&
|
|
rm .git/objects/pack/*.keep &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 2 idx-list &&
|
|
git multi-pack-index repack --batch-size=2000000 &&
|
|
ls .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 3 idx-list &&
|
|
test-tool read-midx .git/objects | grep idx >midx-list &&
|
|
test_line_count = 3 midx-list &&
|
|
git multi-pack-index expire &&
|
|
ls -al .git/objects/pack/*idx >idx-list &&
|
|
test_line_count = 1 idx-list
|
|
)
|
|
'
|
|
|
|
test_expect_success 'load reverse index when missing .idx, .pack' '
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
|
|
git config core.multiPackIndex true &&
|
|
|
|
test_commit base &&
|
|
git repack -ad &&
|
|
git multi-pack-index write &&
|
|
|
|
git rev-parse HEAD >tip &&
|
|
pack=$(ls .git/objects/pack/pack-*.pack) &&
|
|
idx=$(ls .git/objects/pack/pack-*.idx) &&
|
|
|
|
mv $idx $idx.bak &&
|
|
git cat-file --batch-check="%(objectsize:disk)" <tip &&
|
|
|
|
mv $idx.bak $idx &&
|
|
|
|
mv $pack $pack.bak &&
|
|
git cat-file --batch-check="%(objectsize:disk)" <tip
|
|
)
|
|
'
|
|
|
|
test_expect_success 'usage shown without sub-command' '
|
|
test_expect_code 129 git multi-pack-index 2>err &&
|
|
! test_grep "unrecognized subcommand" err
|
|
'
|
|
|
|
test_expect_success 'complains when run outside of a repository' '
|
|
nongit test_must_fail git multi-pack-index write 2>err &&
|
|
grep "not a git repository" err
|
|
'
|
|
|
|
test_expect_success 'repack with delta islands' '
|
|
git init repo &&
|
|
test_when_finished "rm -fr repo" &&
|
|
(
|
|
cd repo &&
|
|
|
|
test_commit first &&
|
|
git repack &&
|
|
test_commit second &&
|
|
git repack &&
|
|
|
|
git multi-pack-index write &&
|
|
git -c repack.useDeltaIslands=true multi-pack-index repack
|
|
)
|
|
'
|
|
|
|
corrupt_chunk () {
|
|
midx=.git/objects/pack/multi-pack-index &&
|
|
test_when_finished "rm -rf $midx" &&
|
|
git repack -ad --write-midx &&
|
|
corrupt_chunk_file $midx "$@"
|
|
}
|
|
|
|
test_expect_success 'reader notices too-small oid fanout chunk' '
|
|
corrupt_chunk OIDF clear 00000000 &&
|
|
test_must_fail git log 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
error: multi-pack-index OID fanout is of the wrong size
|
|
fatal: multi-pack-index required OID fanout chunk missing or corrupted
|
|
EOF
|
|
test_cmp expect err
|
|
'
|
|
|
|
test_expect_success 'reader notices too-small oid lookup chunk' '
|
|
corrupt_chunk OIDL clear 00000000 &&
|
|
test_must_fail git log 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
error: multi-pack-index OID lookup chunk is the wrong size
|
|
fatal: multi-pack-index required OID lookup chunk missing or corrupted
|
|
EOF
|
|
test_cmp expect err
|
|
'
|
|
|
|
test_expect_success 'reader notices too-small pack names chunk' '
|
|
# There is no NUL to terminate the name here, so the
|
|
# chunk is too short.
|
|
corrupt_chunk PNAM clear 70656666 &&
|
|
test_must_fail git log 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
fatal: multi-pack-index pack-name chunk is too short
|
|
EOF
|
|
test_cmp expect err
|
|
'
|
|
|
|
test_expect_success 'reader handles unaligned chunks' '
|
|
# A 9-byte PNAM means all of the subsequent chunks
|
|
# will no longer be 4-byte aligned, but it is still
|
|
# a valid one-pack chunk on its own (it is "foo.pack\0").
|
|
corrupt_chunk PNAM clear 666f6f2e7061636b00 &&
|
|
git -c core.multipackindex=false log >expect.out &&
|
|
git -c core.multipackindex=true log >out 2>err &&
|
|
test_cmp expect.out out &&
|
|
cat >expect.err <<-\EOF &&
|
|
error: chunk id 4f494446 not 4-byte aligned
|
|
EOF
|
|
test_cmp expect.err err
|
|
'
|
|
|
|
test_expect_success 'reader notices too-small object offset chunk' '
|
|
corrupt_chunk OOFF clear 00000000 &&
|
|
test_must_fail git log 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
error: multi-pack-index object offset chunk is the wrong size
|
|
fatal: multi-pack-index required object offsets chunk missing or corrupted
|
|
EOF
|
|
test_cmp expect err
|
|
'
|
|
|
|
test_expect_success 'reader bounds-checks large offset table' '
|
|
# re-use the objects64 dir here to cheaply get access to a midx
|
|
# with large offsets.
|
|
git init repo &&
|
|
test_when_finished "rm -rf repo" &&
|
|
(
|
|
cd repo &&
|
|
(cd ../objects64 && pwd) >.git/objects/info/alternates &&
|
|
git multi-pack-index --object-dir=../objects64 write &&
|
|
midx=../objects64/pack/multi-pack-index &&
|
|
corrupt_chunk_file $midx LOFF clear &&
|
|
# using only %(objectsize) is important here; see the commit
|
|
# message for more details
|
|
test_must_fail git cat-file --batch-all-objects \
|
|
--batch-check="%(objectsize)" 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
fatal: multi-pack-index large offset out of bounds
|
|
EOF
|
|
test_cmp expect err
|
|
)
|
|
'
|
|
|
|
test_expect_success 'reader notices too-small revindex chunk' '
|
|
# We only get a revindex with bitmaps (and likewise only
|
|
# load it when they are asked for).
|
|
test_config repack.writeBitmaps true &&
|
|
corrupt_chunk RIDX clear 00000000 &&
|
|
git -c core.multipackIndex=false rev-list \
|
|
--all --use-bitmap-index >expect.out &&
|
|
git -c core.multipackIndex=true rev-list \
|
|
--all --use-bitmap-index >out 2>err &&
|
|
test_cmp expect.out out &&
|
|
cat >expect.err <<-\EOF &&
|
|
error: multi-pack-index reverse-index chunk is the wrong size
|
|
warning: multi-pack bitmap is missing required reverse index
|
|
EOF
|
|
test_cmp expect.err err
|
|
'
|
|
|
|
test_expect_success 'reader notices out-of-bounds fanout' '
|
|
# This is similar to the out-of-bounds fanout test in t5318. The values
|
|
# in adjacent entries should be large but not identical (they
|
|
# are used as hi/lo starts for a binary search, which would then abort
|
|
# immediately).
|
|
corrupt_chunk OIDF 0 $(printf "%02x000000" $(test_seq 0 254)) &&
|
|
test_must_fail git log 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
error: oid fanout out of order: fanout[254] = fe000000 > 5c = fanout[255]
|
|
fatal: multi-pack-index required OID fanout chunk missing or corrupted
|
|
EOF
|
|
test_cmp expect err
|
|
'
|
|
|
|
test_expect_success 'bitmapped packs are stored via the BTMP chunk' '
|
|
test_when_finished "rm -fr repo" &&
|
|
git init repo &&
|
|
(
|
|
cd repo &&
|
|
|
|
for i in 1 2 3 4 5
|
|
do
|
|
test_commit "$i" &&
|
|
git repack -d || return 1
|
|
done &&
|
|
|
|
find $objdir/pack -type f -name "*.idx" | xargs -n 1 basename |
|
|
sort >packs &&
|
|
|
|
git multi-pack-index write --stdin-packs <packs &&
|
|
test_must_fail test-tool read-midx --bitmap $objdir 2>err &&
|
|
cat >expect <<-\EOF &&
|
|
error: MIDX does not contain the BTMP chunk
|
|
EOF
|
|
test_cmp expect err &&
|
|
|
|
git multi-pack-index write --stdin-packs --bitmap \
|
|
--preferred-pack="$(head -n1 <packs)" <packs &&
|
|
test-tool read-midx --bitmap $objdir >actual &&
|
|
for i in $(test_seq $(wc -l <packs))
|
|
do
|
|
sed -ne "${i}s/\.idx$/\.pack/p" packs &&
|
|
echo " bitmap_pos: $((($i - 1) * 3))" &&
|
|
echo " bitmap_nr: 3" || return 1
|
|
done >expect &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_done
|