diff options
Diffstat (limited to 't/t5300-pack-object.sh')
| -rwxr-xr-x | t/t5300-pack-object.sh | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh new file mode 100755 index 0000000000..6e594bf1e2 --- /dev/null +++ b/t/t5300-pack-object.sh @@ -0,0 +1,271 @@ +#!/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 |