mirror of
https://github.com/git/git.git
synced 2024-11-17 22:44:49 +01:00
a1e4760fcf
If the limit was sufficiently low, having a single object written could bust the limit (by design), but caused the remaining allowed size to go negative for subsequent objects, which for an unsigned variable is a rather huge limit. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
384 lines
9.9 KiB
Bash
Executable file
384 lines
9.9 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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test_description='git pack-object
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'
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. ./test-lib.sh
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TRASH=`pwd`
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test_expect_success \
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'setup' \
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'rm -f .git/index*
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for i in a b c
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do
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dd if=/dev/zero bs=4k count=1 | perl -pe "y/\\000/$i/" >$i &&
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git update-index --add $i || return 1
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done &&
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cat c >d && echo foo >>d && git update-index --add d &&
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tree=`git write-tree` &&
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commit=`git commit-tree $tree </dev/null` && {
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echo $tree &&
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echo $commit &&
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git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/"
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} >obj-list && {
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git diff-tree --root -p $commit &&
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while read object
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do
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t=`git cat-file -t $object` &&
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git cat-file $t $object || return 1
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done <obj-list
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} >expect'
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test_expect_success \
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'pack without delta' \
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'packname_1=$(git pack-objects --window=0 test-1 <obj-list)'
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rm -fr .git2
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mkdir .git2
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test_expect_success \
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'unpack without delta' \
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"GIT_OBJECT_DIRECTORY=.git2/objects &&
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export GIT_OBJECT_DIRECTORY &&
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git init &&
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git unpack-objects -n <test-1-${packname_1}.pack &&
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git unpack-objects <test-1-${packname_1}.pack"
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unset GIT_OBJECT_DIRECTORY
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cd "$TRASH/.git2"
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test_expect_success \
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'check unpack without delta' \
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'(cd ../.git && find objects -type f -print) |
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while read path
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do
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cmp $path ../.git/$path || {
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echo $path differs.
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return 1
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}
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done'
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cd "$TRASH"
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test_expect_success \
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'pack with REF_DELTA' \
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'pwd &&
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packname_2=$(git pack-objects test-2 <obj-list)'
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rm -fr .git2
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mkdir .git2
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test_expect_success \
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'unpack with REF_DELTA' \
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'GIT_OBJECT_DIRECTORY=.git2/objects &&
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export GIT_OBJECT_DIRECTORY &&
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git init &&
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git unpack-objects -n <test-2-${packname_2}.pack &&
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git unpack-objects <test-2-${packname_2}.pack'
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unset GIT_OBJECT_DIRECTORY
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cd "$TRASH/.git2"
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test_expect_success \
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'check unpack with REF_DELTA' \
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'(cd ../.git && find objects -type f -print) |
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while read path
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do
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cmp $path ../.git/$path || {
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echo $path differs.
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return 1
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}
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done'
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cd "$TRASH"
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test_expect_success \
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'pack with OFS_DELTA' \
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'pwd &&
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packname_3=$(git pack-objects --delta-base-offset test-3 <obj-list)'
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rm -fr .git2
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mkdir .git2
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test_expect_success \
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'unpack with OFS_DELTA' \
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'GIT_OBJECT_DIRECTORY=.git2/objects &&
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export GIT_OBJECT_DIRECTORY &&
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git init &&
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git unpack-objects -n <test-3-${packname_3}.pack &&
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git unpack-objects <test-3-${packname_3}.pack'
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unset GIT_OBJECT_DIRECTORY
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cd "$TRASH/.git2"
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test_expect_success \
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'check unpack with OFS_DELTA' \
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'(cd ../.git && find objects -type f -print) |
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while read path
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do
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cmp $path ../.git/$path || {
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echo $path differs.
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return 1
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}
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done'
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cd "$TRASH"
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test_expect_success 'compare delta flavors' '
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perl -e '\''
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defined($_ = -s $_) or die for @ARGV;
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exit 1 if $ARGV[0] <= $ARGV[1];
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'\'' test-2-$packname_2.pack test-3-$packname_3.pack
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'
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rm -fr .git2
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mkdir .git2
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test_expect_success \
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'use packed objects' \
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'GIT_OBJECT_DIRECTORY=.git2/objects &&
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export GIT_OBJECT_DIRECTORY &&
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git init &&
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cp test-1-${packname_1}.pack test-1-${packname_1}.idx .git2/objects/pack && {
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git diff-tree --root -p $commit &&
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while read object
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do
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t=`git cat-file -t $object` &&
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git cat-file $t $object || return 1
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done <obj-list
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} >current &&
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diff expect current'
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test_expect_success \
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'use packed deltified (REF_DELTA) objects' \
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'GIT_OBJECT_DIRECTORY=.git2/objects &&
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export GIT_OBJECT_DIRECTORY &&
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rm -f .git2/objects/pack/test-* &&
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cp test-2-${packname_2}.pack test-2-${packname_2}.idx .git2/objects/pack && {
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git diff-tree --root -p $commit &&
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while read object
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do
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t=`git cat-file -t $object` &&
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git cat-file $t $object || return 1
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done <obj-list
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} >current &&
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diff expect current'
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test_expect_success \
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'use packed deltified (OFS_DELTA) objects' \
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'GIT_OBJECT_DIRECTORY=.git2/objects &&
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export GIT_OBJECT_DIRECTORY &&
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rm -f .git2/objects/pack/test-* &&
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cp test-3-${packname_3}.pack test-3-${packname_3}.idx .git2/objects/pack && {
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git diff-tree --root -p $commit &&
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while read object
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do
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t=`git cat-file -t $object` &&
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git cat-file $t $object || return 1
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done <obj-list
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} >current &&
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diff expect current'
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unset GIT_OBJECT_DIRECTORY
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test_expect_success \
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'verify pack' \
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'git verify-pack test-1-${packname_1}.idx \
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test-2-${packname_2}.idx \
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test-3-${packname_3}.idx'
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test_expect_success \
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'verify pack -v' \
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'git verify-pack -v test-1-${packname_1}.idx \
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test-2-${packname_2}.idx \
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test-3-${packname_3}.idx'
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test_expect_success \
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'verify-pack catches mismatched .idx and .pack files' \
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'cat test-1-${packname_1}.idx >test-3.idx &&
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cat test-2-${packname_2}.pack >test-3.pack &&
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if git verify-pack test-3.idx
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then false
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else :;
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fi'
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test_expect_success \
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'verify-pack catches a corrupted pack signature' \
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'cat test-1-${packname_1}.pack >test-3.pack &&
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dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
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if git verify-pack test-3.idx
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then false
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else :;
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fi'
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test_expect_success \
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'verify-pack catches a corrupted pack version' \
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'cat test-1-${packname_1}.pack >test-3.pack &&
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dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=7 &&
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if git verify-pack test-3.idx
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then false
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else :;
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fi'
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test_expect_success \
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'verify-pack catches a corrupted type/size of the 1st packed object data' \
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'cat test-1-${packname_1}.pack >test-3.pack &&
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dd if=/dev/zero of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
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if git verify-pack test-3.idx
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then false
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else :;
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fi'
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test_expect_success \
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'verify-pack catches a corrupted sum of the index file itself' \
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'l=`wc -c <test-3.idx` &&
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l=`expr $l - 20` &&
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cat test-1-${packname_1}.pack >test-3.pack &&
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dd if=/dev/zero of=test-3.idx count=20 bs=1 conv=notrunc seek=$l &&
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if git verify-pack test-3.pack
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then false
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else :;
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fi'
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test_expect_success \
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'build pack index for an existing pack' \
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'cat test-1-${packname_1}.pack >test-3.pack &&
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git index-pack -o tmp.idx test-3.pack &&
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cmp tmp.idx test-1-${packname_1}.idx &&
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git index-pack test-3.pack &&
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cmp test-3.idx test-1-${packname_1}.idx &&
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cat test-2-${packname_2}.pack >test-3.pack &&
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git index-pack -o tmp.idx test-2-${packname_2}.pack &&
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cmp tmp.idx test-2-${packname_2}.idx &&
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git index-pack test-3.pack &&
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cmp test-3.idx test-2-${packname_2}.idx &&
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cat test-3-${packname_3}.pack >test-3.pack &&
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git index-pack -o tmp.idx test-3-${packname_3}.pack &&
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cmp tmp.idx test-3-${packname_3}.idx &&
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git index-pack test-3.pack &&
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cmp test-3.idx test-3-${packname_3}.idx &&
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:'
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test_expect_success \
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'fake a SHA1 hash collision' \
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'test -f .git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67 &&
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cp -f .git/objects/9d/235ed07cd19811a6ceb342de82f190e49c9f68 \
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.git/objects/c8/2de19312b6c3695c0c18f70709a6c535682a67'
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test_expect_success \
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'make sure index-pack detects the SHA1 collision' \
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'test_must_fail git index-pack -o bad.idx test-3.pack'
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test_expect_success \
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'honor pack.packSizeLimit' \
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'git config pack.packSizeLimit 200 &&
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packname_4=$(git pack-objects test-4 <obj-list) &&
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test 3 = $(ls test-4-*.pack | wc -l)'
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test_expect_success 'unpacking with --strict' '
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git config --unset pack.packsizelimit &&
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for j in a b c d e f g
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do
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for i in 0 1 2 3 4 5 6 7 8 9
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do
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o=$(echo $j$i | git hash-object -w --stdin) &&
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echo "100644 $o 0 $j$i"
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done
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done >LIST &&
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rm -f .git/index &&
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git update-index --index-info <LIST &&
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LIST=$(git write-tree) &&
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rm -f .git/index &&
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head -n 10 LIST | git update-index --index-info &&
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LI=$(git write-tree) &&
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rm -f .git/index &&
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tail -n 10 LIST | git update-index --index-info &&
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ST=$(git write-tree) &&
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PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
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git pack-objects test-5 ) &&
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PACK6=$( (
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echo "$LIST"
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echo "$LI"
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echo "$ST"
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) | git pack-objects test-6 ) &&
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test_create_repo test-5 &&
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(
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cd test-5 &&
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git unpack-objects --strict <../test-5-$PACK5.pack &&
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git ls-tree -r $LIST &&
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git ls-tree -r $LI &&
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git ls-tree -r $ST
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) &&
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test_create_repo test-6 &&
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(
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# tree-only into empty repo -- many unreachables
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cd test-6 &&
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test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
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) &&
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(
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# already populated -- no unreachables
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cd test-5 &&
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git unpack-objects --strict <../test-6-$PACK6.pack
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)
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'
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test_expect_success 'index-pack with --strict' '
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for j in a b c d e f g
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do
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for i in 0 1 2 3 4 5 6 7 8 9
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do
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o=$(echo $j$i | git hash-object -w --stdin) &&
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echo "100644 $o 0 $j$i"
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done
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done >LIST &&
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rm -f .git/index &&
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git update-index --index-info <LIST &&
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LIST=$(git write-tree) &&
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rm -f .git/index &&
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head -n 10 LIST | git update-index --index-info &&
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LI=$(git write-tree) &&
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rm -f .git/index &&
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tail -n 10 LIST | git update-index --index-info &&
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ST=$(git write-tree) &&
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PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
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git pack-objects test-5 ) &&
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PACK6=$( (
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echo "$LIST"
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echo "$LI"
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echo "$ST"
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) | git pack-objects test-6 ) &&
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test_create_repo test-7 &&
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(
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cd test-7 &&
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git index-pack --strict --stdin <../test-5-$PACK5.pack &&
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git ls-tree -r $LIST &&
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git ls-tree -r $LI &&
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git ls-tree -r $ST
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) &&
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test_create_repo test-8 &&
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(
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# tree-only into empty repo -- many unreachables
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cd test-8 &&
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test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
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) &&
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(
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# already populated -- no unreachables
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cd test-7 &&
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git index-pack --strict --stdin <../test-6-$PACK6.pack
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)
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'
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test_expect_success 'tolerate absurdly small packsizelimit' '
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git config pack.packSizeLimit 2 &&
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packname_9=$(git pack-objects test-9 <obj-list) &&
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test $(wc -l <obj-list) = $(ls test-9-*.pack | wc -l)
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'
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test_done
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