| #!/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 |