#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='git pack-object'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'setup' '
rm -f .git/index* &&
perl -e "print \"a\" x 4096;" >a &&
perl -e "print \"b\" x 4096;" >b &&
perl -e "print \"c\" x 4096;" >c &&
test-tool genrandom "seed a" 2097152 >a_big &&
test-tool genrandom "seed b" 2097152 >b_big &&
git update-index --add a a_big b b_big c &&
cat c >d && echo foo >>d && git update-index --add d &&
tree=$(git write-tree) &&
commit=$(git commit-tree $tree </dev/null) &&
{
echo $tree &&
echo $commit &&
git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
} >obj-list &&
{
git diff-tree --root -p $commit &&
while read object
do
t=$(git cat-file -t $object) &&
git cat-file $t $object || return 1
done <obj-list
} >expect
'
test_expect_success 'setup pack-object <stdin' '
git init pack-object-stdin &&
test_commit -C pack-object-stdin one &&
test_commit -C pack-object-stdin two
'
test_expect_success 'pack-object <stdin parsing: basic [|--revs]' '
cat >in <<-EOF &&
$(git -C pack-object-stdin rev-parse one)
EOF
git -C pack-object-stdin pack-objects basic-stdin <in &&
idx=$(echo pack-object-stdin/basic-stdin-*.idx) &&
git show-index <"$idx" >actual &&
test_line_count = 1 actual &&
git -C pack-object-stdin pack-objects --revs basic-stdin-revs <in &&
idx=$(echo pack-object-stdin/basic-stdin-revs-*.idx) &&
git show-index <"$idx" >actual &&
test_line_count = 3 actual
'
test_expect_success 'pack-object <stdin parsing: [|--revs] bad line' '
cat >in <<-EOF &&
$(git -C pack-object-stdin rev-parse one)
garbage
$(git -C pack-object-stdin rev-parse two)
EOF
sed "s/^> //g" >err.expect <<-EOF &&
fatal: expected object ID, got garbage:
> garbage
EOF
test_must_fail git -C pack-object-stdin pack-objects bad-line-stdin <in 2>err.actual &&
test_cmp err.expect err.actual &&
cat >err.expect <<-EOF &&
fatal: bad revision '"'"'garbage'"'"'
EOF
test_must_fail git -C pack-object-stdin pack-objects --revs bad-line-stdin-revs <in 2>err.actual &&
test_cmp err.expect err.actual
'
test_expect_success 'pack-object <stdin parsing: [|--revs] empty line' '
cat >in <<-EOF &&
$(git -C pack-object-stdin rev-parse one)
$(git -C pack-object-stdin rev-parse two)
EOF
sed -e "s/^> //g" -e "s/Z$//g" >err.expect <<-EOF &&
fatal: expected object ID, got garbage:
> Z
EOF
test_must_fail git -C pack-object-stdin pack-objects empty-line-stdin <in 2>err.actual &&
test_cmp err.expect err.actual &&
git -C pack-object-stdin pack-objects --revs empty-line-stdin-revs <in &&
idx=$(echo pack-object-stdin/empty-line-stdin-revs-*.idx) &&
git show-index <"$idx" >actual &&
test_line_count = 3 actual
'
test_expect_success 'pack-object <stdin parsing: [|--revs] with --stdin' '
cat >in <<-EOF &&
$(git -C pack-object-stdin rev-parse one)
$(git -C pack-object-stdin rev-parse two)
EOF
# There is the "--stdin-packs is incompatible with --revs"
# test below, but we should make sure that the revision.c
# --stdin is not picked up
cat >err.expect <<-EOF &&
fatal: disallowed abbreviated or ambiguous option '"'"'stdin'"'"'
EOF
test_must_fail git -C pack-object-stdin pack-objects stdin-with-stdin-option --stdin <in 2>err.actual &&
test_cmp err.expect err.actual &&
test_must_fail git -C pack-object-stdin pack-objects --stdin --revs stdin-with-stdin-option-revs 2>err.actual <in &&
test_cmp err.expect err.actual
'
test_expect_success 'pack-object <stdin parsing: --stdin-packs handles garbage' '
cat >in <<-EOF &&
$(git -C pack-object-stdin rev-parse one)
$(git -C pack-object-stdin rev-parse two)
EOF
# That we get "two" and not "one" has to do with OID
# ordering. It happens to be the same here under SHA-1 and
# SHA-256. See commentary in pack-objects.c
cat >err.expect <<-EOF &&
fatal: could not find pack '"'"'$(git -C pack-object-stdin rev-parse two)'"'"'
EOF
test_must_fail git \
-C pack-object-stdin \
pack-objects stdin-with-stdin-option --stdin-packs \
<in 2>err.actual &&
test_cmp err.expect err.actual
'
# usage: check_deltas <stderr_from_pack_objects> <cmp_op> <nr_deltas>
# e.g.: check_deltas stderr -gt 0
check_deltas() {
deltas=$(perl -lne '/delta (\d+)/ and print $1' "$1") &&
shift &&
if ! test "$deltas" "$@"
then
echo >&2 "unexpected number of deltas (compared $delta $*)"
return 1
fi
}
test_expect_success 'pack without delta' '
packname_1=$(git pack-objects --progress --window=0 test-1 \
<obj-list 2>stderr) &&
check_deltas stderr = 0
'
test_expect_success 'pack-objects with bogus arguments' '
test_must_fail git pack-objects --window=0 test-1 blah blah <obj-list
'
check_unpack () {
local packname="$1" &&
local object_list="$2" &&
local git_config="$3" &&
test_when_finished "rm -rf git2" &&
git $git_config init --bare git2 &&
(
git $git_config -C git2 unpack-objects -n <"$packname".pack &&
git $git_config -C git2 unpack-objects <"$packname".pack &&
git $git_config -C git2 cat-file --batch-check="%(objectname)"
) <"$object_list" >current &&
cmp "$object_list" current
}
test_expect_success 'unpack without delta' '
check_unpack test-1-${packname_1} obj-list
'
BATCH_CONFIGURATION='-c core.fsync=loose-object -c core.fsyncmethod=batch'
test_expect_success 'unpack without delta (core.fsyncmethod=batch)' '
check_unpack test-1-${packname_1} obj-list "$BATCH_CONFIGURATION"
'
test_expect_success 'pack with REF_DELTA' '
packname_2=$(git pack-objects --progress test-2 <obj-list 2>stderr) &&
check_deltas stderr -gt 0
'
test_expect_success 'unpack with REF_DELTA' '
check_unpack test-2-${packname_2} obj-list
'
test_expect_success 'unpack with REF_DELTA (core.fsyncmethod=batch)' '
check_unpack test-2-${packname_2} obj-list "$BATCH_CONFIGURATION"
'
test_expect_success 'pack with OFS_DELTA' '
packname_3=$(git pack-objects --progress --delta-base-offset test-3 \
<obj-list 2>stderr) &&
check_deltas stderr -gt 0
'
test_expect_success 'unpack with OFS_DELTA' '
check_unpack test-3-${packname_3} obj-list
'
test_expect_success 'unpack with OFS_DELTA (core.fsyncmethod=batch)' '
check_unpack test-3-${packname_3} obj-list "$BATCH_CONFIGURATION"
'
test_expect_success 'compare delta flavors' '
perl -e '\''
defined($_ = -s $_) or die for @ARGV;
exit 1 if $ARGV[0] <= $ARGV[1];
'\'' test-2-$packname_2.pack test-3-$packname_3.pack
'
check_use_objects () {
test_when_finished "rm -rf git2" &&
git init --bare git2 &&
cp "$1".pack "$1".idx git2/objects/pack &&
(
cd git2 &&
git diff-tree --root -p $commit &&
while read object
do
t=$(git cat-file -t $object) &&
git cat-file $t $object || exit 1
done
) <obj-list >current &&
cmp expect current
}
test_expect_success 'use packed objects' '
check_use_objects test-1-${packname_1}
'
test_expect_success 'use packed deltified (REF_DELTA) objects' '
check_use_objects test-2-${packname_2}
'
test_expect_success 'use packed deltified (OFS_DELTA) objects' '
check_use_objects test-3-${packname_3}
'
test_expect_success 'survive missing objects/pack directory' '
(
rm -fr missing-pack &&
mkdir missing-pack &&
cd missing-pack &&
git init &&
GOP=.git/objects/pack &&
rm -fr $GOP &&
git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
test -f $GOP/pack-${packname_3}.pack &&
cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
test -f $GOP/pack-${packname_3}.idx &&
cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
test -f $GOP/pack-${packname_3}.keep
)
'
test_expect_success 'verify pack' '
git verify-pack test-1-${packname_1}.idx \
test-2-${packname_2}.idx \
test-3-${packname_3}.idx
'
test_expect_success 'verify pack -v' '
git verify-pack -v test-1-${packname_1}.idx \
test-2-${packname_2}.idx \
test-3-${packname_3}.idx
'
test_expect_success 'verify-pack catches mismatched .idx and .pack files' '
cat test-1-${packname_1}.idx >test-3.idx &&
cat test-2-${packname_2}.pack >test-3.pack &&
if git verify-pack test-3.idx
then false
else :;
fi
'
test_expect_success 'verify-pack catches a corrupted pack signature' '
cat test-1-${packname_1}.pack >test-3.pack &&
echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
if git verify-pack test-3.idx
then false
else :;
fi
'
test_expect_success 'verify-pack catches a corrupted pack version' '
cat test-1-${packname_1}.pack >test-3.pack &&
echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
if git verify-pack test-3.idx
then false
else :;
fi
'
test_expect_success 'verify-pack catches a corrupted type/size of the 1st packed object data' '
cat test-1-${packname_1}.pack >test-3.pack &&
echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
if git verify-pack test-3.idx
then false
else :;
fi
'
test_expect_success 'verify-pack catches a corrupted sum of the index file itself' '
l=$(wc -c <test-3.idx) &&
l=$(expr $l - 20) &&
cat test-1-${packname_1}.pack >test-3.pack &&
printf "%20s" "" | dd of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
if git verify-pack test-3.pack
then false
else :;
fi
'
test_expect_success 'build pack index for an existing pack' '
cat test-1-${packname_1}.pack >test-3.pack &&
git index-pack -o tmp.idx test-3.pack &&
cmp tmp.idx test-1-${packname_1}.idx &&
git index-pack --promisor=message test-3.pack &&
cmp test-3.idx test-1-${packname_1}.idx &&
echo message >expect &&
test_cmp expect test-3.promisor &&
cat test-2-${packname_2}.pack >test-3.pack &&
git index-pack -o tmp.idx test-2-${packname_2}.pack &&
cmp tmp.idx test-2-${packname_2}.idx &&
git index-pack test-3.pack &&
cmp test-3.idx test-2-${packname_2}.idx &&
cat test-3-${packname_3}.pack >test-3.pack &&
git index-pack -o tmp.idx test-3-${packname_3}.pack &&
cmp tmp.idx test-3-${packname_3}.idx &&
git index-pack test-3.pack &&
cmp test-3.idx test-3-${packname_3}.idx &&
cat test-1-${packname_1}.pack >test-4.pack &&
rm -f test-4.keep &&
git index-pack --keep=why test-4.pack &&
cmp test-1-${packname_1}.idx test-4.idx &&
test -f test-4.keep &&
:
'
test_expect_success 'unpacking with --strict' '
for j in a b c d e f g
do
for i in 0 1 2 3 4 5 6 7 8 9
do
o=$(echo $j$i | git hash-object -w --stdin) &&
echo "100644 $o 0 $j$i" || return 1
done
done >LIST &&
rm -f .git/index &&
git update-index --index-info <LIST &&
LIST=$(git write-tree) &&
rm -f .git/index &&
head -n 10 LIST | git update-index --index-info &&
LI=$(git write-tree) &&
rm -f .git/index &&
tail -n 10 LIST | git update-index --index-info &&
ST=$(git write-tree) &&
git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
PACK5=$( git pack-objects test-5 <actual ) &&
PACK6=$( test_write_lines "$LIST" "$LI" "$ST" | git pack-objects test-6 ) &&
test_create_repo test-5 &&
(
cd test-5 &&
git unpack-objects --strict <../test-5-$PACK5.pack &&
git ls-tree -r $LIST &&
git ls-tree -r $LI &&
git ls-tree -r $ST
) &&
test_create_repo test-6 &&
(
# tree-only into empty repo -- many unreachables
cd test-6 &&
test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
) &&
(
# already populated -- no unreachables
cd test-5 &&
git unpack-objects --strict <../test-6-$PACK6.pack
)
'
test_expect_success 'index-pack with --strict' '
for j in a b c d e f g
do
for i in 0 1 2 3 4 5 6 7 8 9
do
o=$(echo $j$i | git hash-object -w --stdin) &&
echo "100644 $o 0 $j$i" || return 1
done
done >LIST &&
rm -f .git/index &&
git update-index --index-info <LIST &&
LIST=$(git write-tree) &&
rm -f .git/index &&
head -n 10 LIST | git update-index --index-info &&
LI=$(git write-tree) &&
rm -f .git/index &&
tail -n 10 LIST | git update-index --index-info &&
ST=$(git write-tree) &&
git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
PACK5=$( git pack-objects test-5 <actual ) &&
PACK6=$( test_write_lines "$LIST" "$LI" "$ST" | git pack-objects test-6 ) &&
test_create_repo test-7 &&
(
cd test-7 &&
git index-pack --strict --stdin <../test-5-$PACK5.pack &&
git ls-tree -r $LIST &&
git ls-tree -r $LI &&
git ls-tree -r $ST
) &&
test_create_repo test-8 &&
(
# tree-only into empty repo -- many unreachables
cd test-8 &&
test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
) &&
(
# already populated -- no unreachables
cd test-7 &&
git index-pack --strict --stdin <../test-6-$PACK6.pack
)
'
test_expect_success 'setup for --strict and --fsck-objects downgrading fsck msgs' '
git init strict &&
(
cd strict &&
test_commit first hello &&
cat >commit <<-EOF &&
tree $(git rev-parse HEAD^{tree})
parent $(git rev-parse HEAD)
author A U Thor
committer A U Thor
commit: this is a commit with bad emails
EOF
git hash-object --literally -t commit -w --stdin <commit >commit_list &&
git pack-objects test <commit_list >pack-name
)
'
test_with_bad_commit () {
must_fail_arg="$1" &&
must_pass_arg="$2" &&
(
cd strict &&
test_must_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack" &&
git index-pack "$must_pass_arg" "test-$(cat pack-name).pack"
)
}
test_expect_success 'index-pack with --strict downgrading fsck msgs' '
test_with_bad_commit --strict --strict="missingEmail=ignore"
'
test_expect_success 'index-pack with --fsck-objects downgrading fsck msgs' '
test_with_bad_commit --fsck-objects --fsck-objects="missingEmail=ignore"
'
test_expect_success 'cleanup for --strict and --fsck-objects downgrading fsck msgs' '
rm -rf strict
'
test_expect_success 'honor pack.packSizeLimit' '
git config pack.packSizeLimit 3m &&
packname_10=$(git pack-objects test-10 <obj-list) &&
test 2 = $(ls test-10-*.pack | wc -l)
'
test_expect_success 'verify resulting packs' '
git verify-pack test-10-*.pack
'
test_expect_success 'tolerate packsizelimit smaller than biggest object' '
git config pack.packSizeLimit 1 &&
packname_11=$(git pack-objects test-11 <obj-list) &&
test 5 = $(ls test-11-*.pack | wc -l)
'
test_expect_success 'verify resulting packs' '
git verify-pack test-11-*.pack
'
test_expect_success 'set up pack for non-repo tests' '
# make sure we have a pack with no matching index file
cp test-1-*.pack foo.pack
'
test_expect_success 'index-pack --stdin complains of non-repo' '
nongit test_must_fail git index-pack --object-format=$(test_oid algo) --stdin <foo.pack &&
test_path_is_missing non-repo/.git
'
test_expect_success 'index-pack <pack> works in non-repo' '
nongit git index-pack --object-format=$(test_oid algo) ../foo.pack &&
test_path_is_file foo.idx
'
test_expect_success 'index-pack --strict <pack> works in non-repo' '
rm -f foo.idx &&
nongit git index-pack --strict --object-format=$(test_oid algo) ../foo.pack &&
test_path_is_file foo.idx
'
test_expect_success !PTHREADS,!FAIL_PREREQS \
'index-pack --threads=N or pack.threads=N warns when no pthreads' '
test_must_fail git index-pack --threads=2 2>err &&
grep ^warning: err >warnings &&
test_line_count = 1 warnings &&
grep -F "no threads support, ignoring --threads=2" err &&
test_must_fail git -c pack.threads=2 index-pack 2>err &&
grep ^warning: err >warnings &&
test_line_count = 1 warnings &&
grep -F "no threads support, ignoring pack.threads" err &&
test_must_fail git -c pack.threads=2 index-pack --threads=4 2>err &&
grep ^warning: err >warnings &&
test_line_count = 2 warnings &&
grep -F "no threads support, ignoring --threads=4" err &&
grep -F "no threads support, ignoring pack.threads" err
'
test_expect_success !PTHREADS,!FAIL_PREREQS \
'pack-objects --threads=N or pack.threads=N warns when no pthreads' '
git pack-objects --threads=2 --stdout --all </dev/null >/dev/null 2>err &&
grep ^warning: err >warnings &&
test_line_count = 1 warnings &&
grep -F "no threads support, ignoring --threads" err &&
git -c pack.threads=2 pack-objects --stdout --all </dev/null >/dev/null 2>err &&
grep ^warning: err >warnings &&
test_line_count = 1 warnings &&
grep -F "no threads support, ignoring pack.threads" err &&
git -c pack.threads=2 pack-objects --threads=4 --stdout --all </dev/null >/dev/null 2>err &&
grep ^warning: err >warnings &&
test_line_count = 2 warnings &&
grep -F "no threads support, ignoring --threads" err &&
grep -F "no threads support, ignoring pack.threads" err
'
test_expect_success 'pack-objects in too-many-packs mode' '
GIT_TEST_FULL_IN_PACK_ARRAY=1 git repack -ad &&
git fsck
'
test_expect_success 'setup: fake a SHA1 hash collision' '
git init corrupt &&
(
cd corrupt &&
long_a=$(git hash-object -w ../a | sed -e "s!^..!&/!") &&
long_b=$(git hash-object -w ../b | sed -e "s!^..!&/!") &&
test -f .git/objects/$long_b &&
cp -f .git/objects/$long_a \
.git/objects/$long_b
)
'
test_expect_success 'make sure index-pack detects the SHA1 collision' '
(
cd corrupt &&
test_must_fail git index-pack -o ../bad.idx ../test-3.pack 2>msg &&
test_grep "SHA1 COLLISION FOUND" msg
)
'
test_expect_success 'make sure index-pack detects the SHA1 collision (large blobs)' '
(
cd corrupt &&
test_must_fail git -c core.bigfilethreshold=1 index-pack -o ../bad.idx ../test-3.pack 2>msg &&
test_grep "SHA1 COLLISION FOUND" msg
)
'
test_expect_success 'prefetch objects' '
rm -rf server client &&
git init server &&
test_config -C server uploadpack.allowanysha1inwant 1 &&
test_config -C server uploadpack.allowfilter 1 &&
test_config -C server protocol.version 2 &&
echo one >server/one &&
git -C server add one &&
git -C server commit -m one &&
git -C server branch one_branch &&
echo two_a >server/two_a &&
echo two_b >server/two_b &&
git -C server add two_a two_b &&
git -C server commit -m two &&
echo three >server/three &&
git -C server add three &&
git -C server commit -m three &&
git -C server branch three_branch &&
# Clone, fetch "two" with blobs excluded, and re-push it. This requires
# the client to have the blobs of "two" - verify that these are
# prefetched in one batch.
git clone --filter=blob:none --single-branch -b one_branch \
"file://$(pwd)/server" client &&
test_config -C client protocol.version 2 &&
TWO=$(git -C server rev-parse three_branch^) &&
git -C client fetch --filter=blob:none origin "$TWO" &&
GIT_TRACE_PACKET=$(pwd)/trace git -C client push origin "$TWO":refs/heads/two_branch &&
grep "fetch> done" trace >donelines &&
test_line_count = 1 donelines
'
test_expect_success 'negative window clamps to 0' '
git pack-objects --progress --window=-1 neg-window <obj-list 2>stderr &&
check_deltas stderr = 0
'
for hash in sha1 sha256
do
test_expect_success "verify-pack with $hash packfile" '
test_when_finished "rm -rf repo" &&
git init --object-format=$hash repo &&
test_commit -C repo initial &&
git -C repo repack -ad &&
git -C repo verify-pack "$(pwd)"/repo/.git/objects/pack/*.idx &&
if test $hash = sha1
then
nongit git verify-pack "$(pwd)"/repo/.git/objects/pack/*.idx
else
# We have no way to identify the hash used by packfiles
# or indices, so we always fall back to SHA1.
nongit test_must_fail git verify-pack "$(pwd)"/repo/.git/objects/pack/*.idx &&
# But with an explicit object format we should succeed.
nongit git verify-pack --object-format=$hash "$(pwd)"/repo/.git/objects/pack/*.idx
fi
'
test_expect_success "index-pack outside of a $hash repository" '
test_when_finished "rm -rf repo" &&
git init --object-format=$hash repo &&
test_commit -C repo initial &&
git -C repo repack -ad &&
git -C repo index-pack --verify "$(pwd)"/repo/.git/objects/pack/*.pack &&
if test $hash = sha1
then
nongit git index-pack --verify "$(pwd)"/repo/.git/objects/pack/*.pack
else
# We have no way to identify the hash used by packfiles
# or indices, so we always fall back to SHA1.
nongit test_must_fail git index-pack --verify "$(pwd)"/repo/.git/objects/pack/*.pack 2>err &&
# But with an explicit object format we should succeed.
nongit git index-pack --object-format=$hash --verify "$(pwd)"/repo/.git/objects/pack/*.pack
fi
'
done
test_done
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