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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 &&
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 \
'corrupt a pack and see if verify catches' \
'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 &&
: PACK_SIGNATURE &&
cat test-1-${packname_1}.pack >test-3.pack &&
dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
if git verify-pack test-3.idx
then false
else :;
fi &&
: PACK_VERSION &&
cat test-1-${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 &&
: TYPE/SIZE byte of the first 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 &&
: 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
|
