#!/bin/sh # # Copyright (c) 2005 Junio C Hamano # test_description='git pack-object ' . ./test-lib.sh TRASH=`pwd` 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-genrandom "seed a" 2097152 > a_big && test-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 $object || return 1 done <obj-list } >expect' test_expect_success \ 'pack without delta' \ 'packname_1=$(git pack-objects --window=0 test-1 <obj-list)' rm -fr .git2 mkdir .git2 test_expect_success \ 'unpack without delta' \ "GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && git init && git unpack-objects -n <test-1-${packname_1}.pack && git unpack-objects <test-1-${packname_1}.pack" unset GIT_OBJECT_DIRECTORY cd "$TRASH/.git2" test_expect_success \ 'check unpack without delta' \ '(cd ../.git && find objects -type f -print) | while read path do cmp $path ../.git/$path || { echo $path differs. return 1 } done' cd "$TRASH" test_expect_success \ 'pack with REF_DELTA' \ 'pwd && packname_2=$(git pack-objects test-2 <obj-list)' rm -fr .git2 mkdir .git2 test_expect_success \ 'unpack with REF_DELTA' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && git init && git unpack-objects -n <test-2-${packname_2}.pack && git unpack-objects <test-2-${packname_2}.pack' unset GIT_OBJECT_DIRECTORY cd "$TRASH/.git2" test_expect_success \ 'check unpack with REF_DELTA' \ '(cd ../.git && find objects -type f -print) | while read path do cmp $path ../.git/$path || { echo $path differs. return 1 } done' cd "$TRASH" test_expect_success \ 'pack with OFS_DELTA' \ 'pwd && packname_3=$(git pack-objects --delta-base-offset test-3 <obj-list)' rm -fr .git2 mkdir .git2 test_expect_success \ 'unpack with OFS_DELTA' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && git init && git unpack-objects -n <test-3-${packname_3}.pack && git unpack-objects <test-3-${packname_3}.pack' unset GIT_OBJECT_DIRECTORY cd "$TRASH/.git2" test_expect_success \ 'check unpack with OFS_DELTA' \ '(cd ../.git && find objects -type f -print) | while read path do cmp $path ../.git/$path || { echo $path differs. return 1 } done' cd "$TRASH" 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-$packname_3.pack ' rm -fr .git2 mkdir .git2 test_expect_success \ 'use packed objects' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && git init && cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && { git diff-tree --root -p $commit && while read object do t=`git cat-file -t $object` && git cat-file $t $object || return 1 done <obj-list } >current && test_cmp expect current' test_expect_success \ 'use packed deltified (REF_DELTA) objects' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && rm -f .git2/objects/pack/test-* && cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && { git diff-tree --root -p $commit && while read object do t=`git cat-file -t $object` && git cat-file $t $object || return 1 done <obj-list } >current && test_cmp expect current' test_expect_success \ 'use packed deltified (OFS_DELTA) objects' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && rm -f .git2/objects/pack/test-* && cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && { 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 } >current && test_cmp expect current' unset GIT_OBJECT_DIRECTORY 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 && test_cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack && test -f $GOP/pack-${packname_3}.idx && test_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-${packname_1}.idx && git index-pack test-3.pack && cmp test-3.idx test-1-${packname_1}.idx && 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 && :' 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" 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=$(git write-tree) && PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \ git pack-objects test-5 ) && PACK6=$( ( echo "$LIST" echo "$LI" echo "$ST" ) | git pack-objects test-6 ) && test_create_repo test-5 && ( cd test-5 && git unpack-objects --strict <../test-5-$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" 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=$(git write-tree) && PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \ git pack-objects test-5 ) && PACK6=$( ( echo "$LIST" echo "$LI" echo "$ST" ) | git pack-objects test-6 ) && test_create_repo test-7 && ( cd test-7 && git index-pack --strict --stdin <../test-5-$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 ' # # WARNING! # # The following test is destructive. Please keep the next # two tests at the end of this file. # test_expect_success \ 'fake a SHA1 hash collision' \ 'test -f .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67 && cp -f .git/objects/9d/235ed07cd19811a6ceb342de82f190e49c9f68 \ .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67' test_expect_success \ 'make sure index-pack detects the SHA1 collision' \ 'test_must_fail git index-pack -o bad.idx test-3.pack 2>msg && grep "SHA1 COLLISION FOUND" msg' test_done