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-rwxr-xr-xt/t5300-pack-object.sh269
1 files changed, 269 insertions, 0 deletions
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
new file mode 100755
index 0000000000..ba7579c251
--- /dev/null
+++ b/t/t5300-pack-object.sh
@@ -0,0 +1,269 @@
+#!/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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 15:21:44 +0000