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git/t/t5300-pack-object.sh
Junio C Hamano 797bd6f490 check_packed_git_idx(): check integrity of the idx file itself.
Although pack-check.c had routine to verify the checksum for the
pack index file itself, the core did not check it before using
it.

This is stolen from the patch to tighten packname requirements.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-12-22 22:57:20 -08:00

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#!/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 "\\0" $i >$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-db &&
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 delta' \
'pwd &&
packname_2=$(git-pack-objects test-2 <obj-list)'
rm -fr .git2
mkdir .git2
test_expect_success \
'unpack with delta' \
'GIT_OBJECT_DIRECTORY=.git2/objects &&
export GIT_OBJECT_DIRECTORY &&
git-init-db &&
git-unpack-objects -n <test-2-${packname_2}.pack &&
git-unpack-objects <test-2-${packname_2}.pack'
unset GIT_OBJECT_DIRECTORY
cd "$TRASH/.git2"
test_expect_success \
'check unpack with delta' \
'(cd ../.git && find objects -type f -print) |
while read path
do
cmp $path ../.git/$path || {
echo $path differs.
return 1
}
done'
cd "$TRASH"
rm -fr .git2
mkdir .git2
test_expect_success \
'use packed objects' \
'GIT_OBJECT_DIRECTORY=.git2/objects &&
export GIT_OBJECT_DIRECTORY &&
git-init-db &&
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 $object || return 1
done <obj-list
} >current &&
diff expect current'
test_expect_success \
'use packed deltified objects' \
'GIT_OBJECT_DIRECTORY=.git2/objects &&
export GIT_OBJECT_DIRECTORY &&
rm -f .git2/objects/pack/test-?.idx &&
cp test-2-${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 $object || return 1
done <obj-list
} >current &&
diff expect current'
unset GIT_OBJECT_DIRECTORY
test_expect_success \
'verify pack' \
'git-verify-pack test-1-${packname_1}.idx test-2-${packname_2}.idx'
test_expect_success \
'corrupt a pack and see if verify catches' \
'cp test-1-${packname_1}.idx test-3.idx &&
cp test-2-${packname_2}.pack test-3.pack &&
if git-verify-pack test-3.idx
then false
else :;
fi &&
cp test-1-${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 &&
cp test-1-${packname_1}.pack test-3.pack &&
dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
if git-verify-pack test-3.idx
then false
else :;
fi &&
cp test-1-${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 &&
cp test-1-${packname_1}.pack test-3.pack &&
dd if=/dev/zero of=test-3.idx count=1 bs=1 conv=notrunc seek=1200 &&
if git-verify-pack test-3.pack
then false
else :;
fi &&
:'
test_expect_success \
'build pack index for an existing pack' \
'cp test-1-${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 &&
cp 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 &&
:'
test_done