#!/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* for i in a b c do dd if=/dev/zero bs=4k count=1 | tr "\\000" $i >$i && git update-index --add $i || return 1 done && 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 $object || return 1 done <obj-list } >current && diff expect current' test_expect_success \ 'use packed deltified (REF_DELTA) objects' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && rm -f .git2/objects/pack/test-* && cp test-2-${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 $object || return 1 done <obj-list } >current && diff expect current' test_expect_success \ 'use packed deltified (OFS_DELTA) objects' \ 'GIT_OBJECT_DIRECTORY=.git2/objects && export GIT_OBJECT_DIRECTORY && rm -f .git2/objects/pack/test-* && cp test-3-${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 $object || return 1 done <obj-list } >current && diff expect current' unset GIT_OBJECT_DIRECTORY test_expect_success \ 'verify pack' \ 'git verify-pack test-1-${packname_1}.idx \ test-2-${packname_2}.idx \ test-3-${packname_3}.idx' test_expect_success \ 'verify-pack 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-${packname_1}.pack >test-3.pack && dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=2 && if git verify-pack test-3.idx then false else :; fi' test_expect_success \ 'verify-pack catches a corrupted pack version' \ 'cat test-1-${packname_1}.pack >test-3.pack && dd if=/dev/zero 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 && dd if=/dev/zero 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 && dd if=/dev/zero 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 \ 'fake a SHA1 hash collision' \ 'test -f .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67 && cp -f .git/objects/9d/235ed07cd19811a6ceb342de82f190e49c9f68 \ .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67' test_expect_failure \ 'make sure index-pack detects the SHA1 collision' \ 'git-index-pack -o bad.idx test-3.pack' test_done