| #!/bin/sh |
| |
| test_description='multi-pack-indexes' |
| . ./test-lib.sh |
| |
| GIT_TEST_MULTI_PACK_INDEX=0 |
| objdir=.git/objects |
| |
| HASH_LEN=$(test_oid rawsz) |
| |
| midx_read_expect () { |
| NUM_PACKS=$1 |
| NUM_OBJECTS=$2 |
| NUM_CHUNKS=$3 |
| OBJECT_DIR=$4 |
| EXTRA_CHUNKS="$5" |
| { |
| cat <<-EOF && |
| header: 4d494458 1 $HASH_LEN $NUM_CHUNKS $NUM_PACKS |
| chunks: pack-names oid-fanout oid-lookup object-offsets$EXTRA_CHUNKS |
| num_objects: $NUM_OBJECTS |
| packs: |
| EOF |
| if test $NUM_PACKS -ge 1 |
| then |
| ls $OBJECT_DIR/pack/ | grep idx | sort |
| fi && |
| printf "object-dir: $OBJECT_DIR\n" |
| } >expect && |
| test-tool read-midx $OBJECT_DIR >actual && |
| test_cmp expect actual |
| } |
| |
| test_expect_success 'setup' ' |
| test_oid_cache <<-EOF |
| idxoff sha1:2999 |
| idxoff sha256:3739 |
| |
| packnameoff sha1:652 |
| packnameoff sha256:940 |
| |
| fanoutoff sha1:1 |
| fanoutoff sha256:3 |
| EOF |
| ' |
| |
| test_expect_success "don't write midx with no packs" ' |
| test_must_fail git multi-pack-index --object-dir=. write && |
| test_path_is_missing pack/multi-pack-index |
| ' |
| |
| test_expect_success SHA1 'warn if a midx contains no oid' ' |
| cp "$TEST_DIRECTORY"/t5319/no-objects.midx $objdir/pack/multi-pack-index && |
| test_must_fail git multi-pack-index verify && |
| rm $objdir/pack/multi-pack-index |
| ' |
| |
| generate_objects () { |
| i=$1 |
| iii=$(printf '%03i' $i) |
| { |
| test-tool genrandom "bar" 200 && |
| test-tool genrandom "baz $iii" 50 |
| } >wide_delta_$iii && |
| { |
| test-tool genrandom "foo"$i 100 && |
| test-tool genrandom "foo"$(( $i + 1 )) 100 && |
| test-tool genrandom "foo"$(( $i + 2 )) 100 |
| } >deep_delta_$iii && |
| { |
| echo $iii && |
| test-tool genrandom "$iii" 8192 |
| } >file_$iii && |
| git update-index --add file_$iii deep_delta_$iii wide_delta_$iii |
| } |
| |
| commit_and_list_objects () { |
| { |
| echo 101 && |
| test-tool genrandom 100 8192; |
| } >file_101 && |
| git update-index --add file_101 && |
| tree=$(git write-tree) && |
| commit=$(git commit-tree $tree -p HEAD</dev/null) && |
| { |
| echo $tree && |
| git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/" |
| } >obj-list && |
| git reset --hard $commit |
| } |
| |
| test_expect_success 'create objects' ' |
| test_commit initial && |
| for i in $(test_seq 1 5) |
| do |
| generate_objects $i || return 1 |
| done && |
| commit_and_list_objects |
| ' |
| |
| test_expect_success 'write midx with one v1 pack' ' |
| pack=$(git pack-objects --index-version=1 $objdir/pack/test <obj-list) && |
| test_when_finished rm $objdir/pack/test-$pack.pack \ |
| $objdir/pack/test-$pack.idx $objdir/pack/multi-pack-index && |
| git multi-pack-index --object-dir=$objdir write && |
| midx_read_expect 1 18 4 $objdir |
| ' |
| |
| midx_git_two_modes () { |
| git -c core.multiPackIndex=false $1 >expect && |
| git -c core.multiPackIndex=true $1 >actual && |
| if [ "$2" = "sorted" ] |
| then |
| sort <expect >expect.sorted && |
| mv expect.sorted expect && |
| sort <actual >actual.sorted && |
| mv actual.sorted actual |
| fi && |
| test_cmp expect actual |
| } |
| |
| compare_results_with_midx () { |
| MSG=$1 |
| test_expect_success "check normal git operations: $MSG" ' |
| midx_git_two_modes "rev-list --objects --all" && |
| midx_git_two_modes "log --raw" && |
| midx_git_two_modes "count-objects --verbose" && |
| midx_git_two_modes "cat-file --batch-all-objects --batch-check" && |
| midx_git_two_modes "cat-file --batch-all-objects --batch-check --unordered" sorted |
| ' |
| } |
| |
| test_expect_success 'write midx with one v2 pack' ' |
| git pack-objects --index-version=2,0x40 $objdir/pack/test <obj-list && |
| git multi-pack-index --object-dir=$objdir write && |
| midx_read_expect 1 18 4 $objdir |
| ' |
| |
| compare_results_with_midx "one v2 pack" |
| |
| test_expect_success 'corrupt idx reports errors' ' |
| idx=$(test-tool read-midx $objdir | grep "\.idx\$") && |
| mv $objdir/pack/$idx backup-$idx && |
| test_when_finished "mv backup-\$idx \$objdir/pack/\$idx" && |
| |
| # This is the minimum size for a sha-1 based .idx; this lets |
| # us pass perfunctory tests, but anything that actually opens and reads |
| # the idx file will complain. |
| test_copy_bytes 1064 <backup-$idx >$objdir/pack/$idx && |
| |
| git -c core.multiPackIndex=true rev-list --objects --all 2>err && |
| grep "index unavailable" err |
| ' |
| |
| test_expect_success 'add more objects' ' |
| for i in $(test_seq 6 10) |
| do |
| generate_objects $i || return 1 |
| done && |
| commit_and_list_objects |
| ' |
| |
| test_expect_success 'write midx with two packs' ' |
| git pack-objects --index-version=1 $objdir/pack/test-2 <obj-list && |
| git multi-pack-index --object-dir=$objdir write && |
| midx_read_expect 2 34 4 $objdir |
| ' |
| |
| compare_results_with_midx "two packs" |
| |
| test_expect_success 'write midx with --stdin-packs' ' |
| rm -fr $objdir/pack/multi-pack-index && |
| |
| idx="$(find $objdir/pack -name "test-2-*.idx")" && |
| basename "$idx" >in && |
| |
| git multi-pack-index write --stdin-packs <in && |
| |
| test-tool read-midx $objdir | grep "\.idx$" >packs && |
| |
| test_cmp packs in |
| ' |
| |
| compare_results_with_midx "mixed mode (one pack + extra)" |
| |
| test_expect_success 'write progress off for redirected stderr' ' |
| git multi-pack-index --object-dir=$objdir write 2>err && |
| test_line_count = 0 err |
| ' |
| |
| test_expect_success 'write force progress on for stderr' ' |
| GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir write --progress 2>err && |
| test_file_not_empty err |
| ' |
| |
| test_expect_success 'write with the --no-progress option' ' |
| GIT_PROGRESS_DELAY=0 git multi-pack-index --object-dir=$objdir write --no-progress 2>err && |
| test_line_count = 0 err |
| ' |
| |
| test_expect_success 'add more packs' ' |
| for j in $(test_seq 11 20) |
| do |
| generate_objects $j && |
| commit_and_list_objects && |
| git pack-objects --index-version=2 $objdir/pack/test-pack <obj-list || return 1 |
| done |
| ' |
| |
| compare_results_with_midx "mixed mode (two packs + extra)" |
| |
| test_expect_success 'write midx with twelve packs' ' |
| git multi-pack-index --object-dir=$objdir write && |
| midx_read_expect 12 74 4 $objdir |
| ' |
| |
| compare_results_with_midx "twelve packs" |
| |
| test_expect_success 'multi-pack-index *.rev cleanup with --object-dir' ' |
| git init repo && |
| git clone -s repo alternate && |
| |
| test_when_finished "rm -rf repo alternate" && |
| |
| ( |
| cd repo && |
| test_commit base && |
| git repack -d |
| ) && |
| |
| ours="alternate/.git/objects/pack/multi-pack-index-123.rev" && |
| theirs="repo/.git/objects/pack/multi-pack-index-abc.rev" && |
| touch "$ours" "$theirs" && |
| |
| ( |
| cd alternate && |
| git multi-pack-index --object-dir ../repo/.git/objects write |
| ) && |
| |
| # writing a midx in "repo" should not remove the .rev file in the |
| # alternate |
| test_path_is_file repo/.git/objects/pack/multi-pack-index && |
| test_path_is_file $ours && |
| test_path_is_missing $theirs |
| ' |
| |
| test_expect_success 'warn on improper hash version' ' |
| git init --object-format=sha1 sha1 && |
| ( |
| cd sha1 && |
| git config core.multiPackIndex true && |
| test_commit 1 && |
| git repack -a && |
| git multi-pack-index write && |
| mv .git/objects/pack/multi-pack-index ../mpi-sha1 |
| ) && |
| git init --object-format=sha256 sha256 && |
| ( |
| cd sha256 && |
| git config core.multiPackIndex true && |
| test_commit 1 && |
| git repack -a && |
| git multi-pack-index write && |
| mv .git/objects/pack/multi-pack-index ../mpi-sha256 |
| ) && |
| ( |
| cd sha1 && |
| mv ../mpi-sha256 .git/objects/pack/multi-pack-index && |
| git log -1 2>err && |
| test_i18ngrep "multi-pack-index hash version 2 does not match version 1" err |
| ) && |
| ( |
| cd sha256 && |
| mv ../mpi-sha1 .git/objects/pack/multi-pack-index && |
| git log -1 2>err && |
| test_i18ngrep "multi-pack-index hash version 1 does not match version 2" err |
| ) |
| ' |
| |
| test_expect_success 'midx picks objects from preferred pack' ' |
| test_when_finished rm -rf preferred.git && |
| git init --bare preferred.git && |
| ( |
| cd preferred.git && |
| |
| a=$(echo "a" | git hash-object -w --stdin) && |
| b=$(echo "b" | git hash-object -w --stdin) && |
| c=$(echo "c" | git hash-object -w --stdin) && |
| |
| # Set up two packs, duplicating the object "B" at different |
| # offsets. |
| # |
| # Note that the "BC" pack (the one we choose as preferred) sorts |
| # lexically after the "AB" pack, meaning that omitting the |
| # --preferred-pack argument would cause this test to fail (since |
| # the MIDX code would select the copy of "b" in the "AB" pack). |
| git pack-objects objects/pack/test-AB <<-EOF && |
| $a |
| $b |
| EOF |
| bc=$(git pack-objects objects/pack/test-BC <<-EOF |
| $b |
| $c |
| EOF |
| ) && |
| |
| git multi-pack-index --object-dir=objects \ |
| write --preferred-pack=test-BC-$bc.idx 2>err && |
| test_must_be_empty err && |
| |
| test-tool read-midx --show-objects objects >out && |
| |
| ofs=$(git show-index <objects/pack/test-BC-$bc.idx | grep $b | |
| cut -d" " -f1) && |
| printf "%s %s\tobjects/pack/test-BC-%s.pack\n" \ |
| "$b" "$ofs" "$bc" >expect && |
| grep ^$b out >actual && |
| |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'preferred packs must be non-empty' ' |
| test_when_finished rm -rf preferred.git && |
| git init preferred.git && |
| ( |
| cd preferred.git && |
| |
| test_commit base && |
| git repack -ad && |
| |
| empty="$(git pack-objects $objdir/pack/pack </dev/null)" && |
| |
| test_must_fail git multi-pack-index write \ |
| --preferred-pack=pack-$empty.pack 2>err && |
| grep "with no objects" err |
| ) |
| ' |
| |
| test_expect_success 'verify multi-pack-index success' ' |
| git multi-pack-index verify --object-dir=$objdir |
| ' |
| |
| test_expect_success 'verify progress off for redirected stderr' ' |
| git multi-pack-index verify --object-dir=$objdir 2>err && |
| test_line_count = 0 err |
| ' |
| |
| test_expect_success 'verify force progress on for stderr' ' |
| git multi-pack-index verify --object-dir=$objdir --progress 2>err && |
| test_file_not_empty err |
| ' |
| |
| test_expect_success 'verify with the --no-progress option' ' |
| git multi-pack-index verify --object-dir=$objdir --no-progress 2>err && |
| test_line_count = 0 err |
| ' |
| |
| # usage: corrupt_midx_and_verify <pos> <data> <objdir> <string> |
| corrupt_midx_and_verify() { |
| POS=$1 && |
| DATA="${2:-\0}" && |
| OBJDIR=$3 && |
| GREPSTR="$4" && |
| COMMAND="$5" && |
| if test -z "$COMMAND" |
| then |
| COMMAND="git multi-pack-index verify --object-dir=$OBJDIR" |
| fi && |
| FILE=$OBJDIR/pack/multi-pack-index && |
| chmod a+w $FILE && |
| test_when_finished mv midx-backup $FILE && |
| cp $FILE midx-backup && |
| printf "$DATA" | dd of="$FILE" bs=1 seek="$POS" conv=notrunc && |
| test_must_fail $COMMAND 2>test_err && |
| grep -v "^+" test_err >err && |
| test_i18ngrep "$GREPSTR" err |
| } |
| |
| test_expect_success 'verify bad signature' ' |
| corrupt_midx_and_verify 0 "\00" $objdir \ |
| "multi-pack-index signature" |
| ' |
| |
| NUM_OBJECTS=74 |
| MIDX_BYTE_VERSION=4 |
| MIDX_BYTE_OID_VERSION=5 |
| MIDX_BYTE_CHUNK_COUNT=6 |
| MIDX_HEADER_SIZE=12 |
| MIDX_BYTE_CHUNK_ID=$MIDX_HEADER_SIZE |
| MIDX_BYTE_CHUNK_OFFSET=$(($MIDX_HEADER_SIZE + 4)) |
| MIDX_NUM_CHUNKS=5 |
| MIDX_CHUNK_LOOKUP_WIDTH=12 |
| MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \ |
| $MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH)) |
| MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2)) |
| MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + $(test_oid packnameoff))) |
| MIDX_OID_FANOUT_WIDTH=4 |
| MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + $(test_oid fanoutoff))) |
| MIDX_OFFSET_OID_LOOKUP=$(($MIDX_OFFSET_OID_FANOUT + 256 * $MIDX_OID_FANOUT_WIDTH)) |
| MIDX_BYTE_OID_LOOKUP=$(($MIDX_OFFSET_OID_LOOKUP + 16 * $HASH_LEN)) |
| MIDX_OFFSET_OBJECT_OFFSETS=$(($MIDX_OFFSET_OID_LOOKUP + $NUM_OBJECTS * $HASH_LEN)) |
| MIDX_OFFSET_WIDTH=8 |
| MIDX_BYTE_PACK_INT_ID=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 2)) |
| MIDX_BYTE_OFFSET=$(($MIDX_OFFSET_OBJECT_OFFSETS + 16 * $MIDX_OFFSET_WIDTH + 6)) |
| |
| test_expect_success 'verify bad version' ' |
| corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \ |
| "multi-pack-index version" |
| ' |
| |
| test_expect_success 'verify bad OID version' ' |
| corrupt_midx_and_verify $MIDX_BYTE_OID_VERSION "\03" $objdir \ |
| "hash version" |
| ' |
| |
| test_expect_success 'verify truncated chunk count' ' |
| corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\01" $objdir \ |
| "final chunk has non-zero id" |
| ' |
| |
| test_expect_success 'verify extended chunk count' ' |
| corrupt_midx_and_verify $MIDX_BYTE_CHUNK_COUNT "\07" $objdir \ |
| "terminating chunk id appears earlier than expected" |
| ' |
| |
| test_expect_success 'verify missing required chunk' ' |
| corrupt_midx_and_verify $MIDX_BYTE_CHUNK_ID "\01" $objdir \ |
| "missing required" |
| ' |
| |
| test_expect_success 'verify invalid chunk offset' ' |
| corrupt_midx_and_verify $MIDX_BYTE_CHUNK_OFFSET "\01" $objdir \ |
| "improper chunk offset(s)" |
| ' |
| |
| test_expect_success 'verify packnames out of order' ' |
| corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "z" $objdir \ |
| "pack names out of order" |
| ' |
| |
| test_expect_success 'verify packnames out of order' ' |
| corrupt_midx_and_verify $MIDX_BYTE_PACKNAME_ORDER "a" $objdir \ |
| "failed to load pack" |
| ' |
| |
| test_expect_success 'verify oid fanout out of order' ' |
| corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \ |
| "oid fanout out of order" |
| ' |
| |
| test_expect_success 'verify oid lookup out of order' ' |
| corrupt_midx_and_verify $MIDX_BYTE_OID_LOOKUP "\00" $objdir \ |
| "oid lookup out of order" |
| ' |
| |
| test_expect_success 'verify incorrect pack-int-id' ' |
| corrupt_midx_and_verify $MIDX_BYTE_PACK_INT_ID "\07" $objdir \ |
| "bad pack-int-id" |
| ' |
| |
| test_expect_success 'verify incorrect offset' ' |
| corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \ |
| "incorrect object offset" |
| ' |
| |
| test_expect_success 'git-fsck incorrect offset' ' |
| corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \ |
| "incorrect object offset" \ |
| "git -c core.multiPackIndex=true fsck" && |
| test_unconfig core.multiPackIndex && |
| test_must_fail git fsck && |
| git -c core.multiPackIndex=false fsck |
| ' |
| |
| test_expect_success 'corrupt MIDX is not reused' ' |
| corrupt_midx_and_verify $MIDX_BYTE_OFFSET "\377" $objdir \ |
| "incorrect object offset" && |
| git multi-pack-index write 2>err && |
| test_i18ngrep checksum.mismatch err && |
| git multi-pack-index verify |
| ' |
| |
| test_expect_success 'verify incorrect checksum' ' |
| pos=$(($(wc -c <$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_i18ngrep "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_done |