diff options
Diffstat (limited to 't/t5300-pack-object.sh')
| -rwxr-xr-x | t/t5300-pack-object.sh | 732 |
1 files changed, 732 insertions, 0 deletions
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh new file mode 100755 index 0000000..f8a0f30 --- /dev/null +++ b/t/t5300-pack-object.sh @@ -0,0 +1,732 @@ +#!/bin/sh +# +# Copyright (c) 2005 Junio C Hamano +# + +test_description='git pack-object + +' +. ./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-$PACK6.pack + ) +' + +test_expect_success 'honor pack.packSizeLimit' ' + git config pack.packSizeLimit 3m && + packname_10=$(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/$long_b + ) +' + +test_expect_success 'make sure index-pack detects the SHA1 collision' ' + ( + cd corrupt && + test_must_fail git index-pack -o ../bad.idx ../test-3.pack 2>msg && + test_i18ngrep "SHA1 COLLISION FOUND" msg + ) +' + +test_expect_success 'make sure index-pack detects the SHA1 collision (large blobs)' ' + ( + cd corrupt && + test_must_fail git -c core.bigfilethreshold=1 index-pack -o ../bad.idx ../test-3.pack 2>msg && + test_i18ngrep "SHA1 COLLISION FOUND" msg + ) +' + +test_expect_success 'prefetch objects' ' + rm -rf server client && + + git init server && + test_config -C server uploadpack.allowanysha1inwant 1 && + test_config -C server uploadpack.allowfilter 1 && + test_config -C server protocol.version 2 && + + echo one >server/one && + git -C server add one && + git -C server commit -m one && + git -C server branch one_branch && + + echo two_a >server/two_a && + echo two_b >server/two_b && + git -C server add two_a two_b && + git -C server commit -m two && + + echo three >server/three && + git -C server add three && + git -C server commit -m three && + git -C server branch three_branch && + + # Clone, fetch "two" with blobs excluded, and re-push it. This requires + # the client to have the blobs of "two" - verify that these are + # prefetched in one batch. + git clone --filter=blob:none --single-branch -b one_branch \ + "file://$(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 'setup for --stdin-packs tests' ' + git init stdin-packs && + ( + cd stdin-packs && + + test_commit A && + test_commit B && + test_commit C && + + for id in A B C + do + git pack-objects .git/objects/pack/pack-$id \ + --incremental --revs <<-EOF || exit 1 + refs/tags/$id + EOF + done && + + ls -la .git/objects/pack + ) +' + +test_expect_success '--stdin-packs with excluded packs' ' + ( + cd stdin-packs && + + PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" && + PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" && + PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" && + + git pack-objects test --stdin-packs <<-EOF && + $PACK_A + ^$PACK_B + $PACK_C + EOF + + ( + git show-index <$(ls .git/objects/pack/pack-A-*.idx) && + git show-index <$(ls .git/objects/pack/pack-C-*.idx) + ) >expect.raw && + git show-index <$(ls test-*.idx) >actual.raw && + + cut -d" " -f2 <expect.raw | sort >expect && + cut -d" " -f2 <actual.raw | sort >actual && + test_cmp expect actual + ) +' + +test_expect_success '--stdin-packs is incompatible with --filter' ' + ( + cd stdin-packs && + test_must_fail git pack-objects --stdin-packs --stdout \ + --filter=blob:none </dev/null 2>err && + test_i18ngrep "cannot use --filter with --stdin-packs" err + ) +' + +test_expect_success '--stdin-packs is incompatible with --revs' ' + ( + cd stdin-packs && + test_must_fail git pack-objects --stdin-packs --revs out \ + </dev/null 2>err && + test_i18ngrep "cannot use internal rev list with --stdin-packs" err + ) +' + +test_expect_success '--stdin-packs with loose objects' ' + ( + cd stdin-packs && + + PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" && + PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" && + PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" && + + test_commit D && # loose + + git pack-objects test2 --stdin-packs --unpacked <<-EOF && + $PACK_A + ^$PACK_B + $PACK_C + EOF + + ( + git show-index <$(ls .git/objects/pack/pack-A-*.idx) && + git show-index <$(ls .git/objects/pack/pack-C-*.idx) && + git rev-list --objects --no-object-names \ + refs/tags/C..refs/tags/D + + ) >expect.raw && + ls -la . && + git show-index <$(ls test2-*.idx) >actual.raw && + + cut -d" " -f2 <expect.raw | sort >expect && + cut -d" " -f2 <actual.raw | sort >actual && + test_cmp expect actual + ) +' + +test_expect_success '--stdin-packs with broken links' ' + ( + cd stdin-packs && + + # make an unreachable object with a bogus parent + git cat-file -p HEAD >commit && + sed "s/$(git rev-parse HEAD^)/$(test_oid zero)/" <commit | + git hash-object -w -t commit --stdin >in && + + git pack-objects .git/objects/pack/pack-D <in && + + PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" && + PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" && + PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" && + PACK_D="$(basename .git/objects/pack/pack-D-*.pack)" && + + git pack-objects test3 --stdin-packs --unpacked <<-EOF && + $PACK_A + ^$PACK_B + $PACK_C + $PACK_D + EOF + + ( + git show-index <$(ls .git/objects/pack/pack-A-*.idx) && + git show-index <$(ls .git/objects/pack/pack-C-*.idx) && + git show-index <$(ls .git/objects/pack/pack-D-*.idx) && + git rev-list --objects --no-object-names \ + refs/tags/C..refs/tags/D + ) >expect.raw && + git show-index <$(ls test3-*.idx) >actual.raw && + + cut -d" " -f2 <expect.raw | sort >expect && + cut -d" " -f2 <actual.raw | sort >actual && + test_cmp expect actual + ) +' + +test_expect_success 'negative window clamps to 0' ' + git pack-objects --progress --window=-1 neg-window <obj-list 2>stderr && + check_deltas stderr = 0 +' + +test_done |