#!/bin/sh
test_description='multi-pack-indexes'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-chunk.sh
. "$TEST_DIRECTORY"/lib-midx.sh
GIT_TEST_MULTI_PACK_INDEX=0
GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0
GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL=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
'
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 with no objects and preferred pack' '
test_when_finished "rm -rf empty" &&
git init empty &&
test_must_fail git -C empty multi-pack-index write \
--stdin-packs --preferred-pack=does-not-exist </dev/null 2>err &&
cat >expect <<-EOF &&
warning: unknown preferred pack: ${SQ}does-not-exist${SQ}
error: no pack files to index.
EOF
test_cmp expect err
'
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 $theirs
'
test_expect_success 'warn on improper hash version' '
git init --object-format=sha1 sha1 &&
(
cd sha1 &&
git config core.multiPackIndex true &&
test_commit 1 &&
git repack -a &&
git multi-pack-index write &&
mv .git/objects/pack/multi-pack-index ../mpi-sha1
) &&
git init --object-format=sha256 sha256 &&
(
cd sha256 &&
git config core.multiPackIndex true &&
test_commit 1 &&
git repack -a &&
git multi-pack-index write &&
mv .git/objects/pack/multi-pack-index ../mpi-sha256
) &&
(
cd sha1 &&
mv ../mpi-sha256 .git/objects/pack/multi-pack-index &&
git log -1 2>err &&
test_grep "multi-pack-index hash version 2 does not match version 1" err
) &&
(
cd sha256 &&
mv ../mpi-sha1 .git/objects/pack/multi-pack-index &&
git log -1 2>err &&
test_grep "multi-pack-index hash version 1 does not match version 2" err
)
'
test_expect_success 'midx picks objects from preferred pack' '
test_when_finished rm -rf preferred.git &&
git init --bare preferred.git &&
(
cd preferred.git &&
a=$(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 'preferred pack from existing MIDX without bitmaps' '
git init preferred-without-bitmaps &&
(
cd preferred-without-bitmaps &&
test_commit one &&
pack="$(git pack-objects --all $objdir/pack/pack </dev/null)" &&
git multi-pack-index write &&
# make another pack so that the subsequent MIDX write
# has something to do
test_commit two &&
git repack -d &&
# write a new MIDX without bitmaps reusing the singular
# pack from the existing MIDX as the preferred pack in
# the new MIDX
git multi-pack-index write --preferred-pack=pack-$pack.pack
)
'
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 $COMMAND 2>test_err &&
grep -v "^+" test_err >err &&
test_grep "$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 \
"required pack-name chunk missing"
'
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 '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 -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 'repack/expire loop' '
git init repack-expire &&
test_when_finished "rm -fr repack-expire" &&
(
cd repack-expire &&
test_commit_bulk 5 &&
# Create three overlapping pack-files
git rev-list --objects HEAD~3 >in-1 &&
git rev-list --objects HEAD~4..HEAD~2 >in-2 &&
git rev-list --objects HEAD~3..HEAD >in-3 &&
# Create disconnected blobs
obj1=$(git hash-object -w in-1) &&
obj2=$(git hash-object -w in-2) &&
obj3=$(git hash-object -w in-3) &&
echo $obj2 >>in-2 &&
echo $obj3 >>in-3 &&
for i in $(test_seq 3)
do
git pack-objects .git/objects/pack/test-$i <in-$i \
|| return 1
done &&
rm -fr .git/objects/pack/pack-* &&
git multi-pack-index write &&
for i in $(test_seq 3)
do
for file in $(ls .git/objects/pack/test-$i*)
do
test-tool chmtime =+$((3600*$i-25000)) $file || return 1
done || return 1
done &&
pack1=$(ls .git/objects/pack/test-1-*.pack) &&
pack2=$(ls .git/objects/pack/test-2-*.pack) &&
pack3=$(ls .git/objects/pack/test-3-*.pack) &&
# Prevent test-1 from being rewritten.
touch "${pack1%.pack}.keep" &&
# This repack-expire loop should repack all non-kept packs
# into a new pack and then delete the old packs.
git multi-pack-index repack &&
git multi-pack-index expire &&
test_path_is_missing $pack3 &&
test_path_is_missing $pack2
)
'
test_expect_success 'load reverse index when missing .idx, .pack' '
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
git config core.multiPackIndex true &&
test_commit base &&
git repack -ad &&
git multi-pack-index write &&
git rev-parse HEAD >tip &&
pack=$(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
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