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-rwxr-xr-xt/t5300-pack-object.sh426
1 files changed, 426 insertions, 0 deletions
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
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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* &&
+ perl -e "print \"a\" x 4096;" > a &&
+ perl -e "print \"b\" x 4096;" > b &&
+ perl -e "print \"c\" x 4096;" > c &&
+ test-genrandom "seed a" 2097152 > a_big &&
+ test-genrandom "seed b" 2097152 > b_big &&
+ git update-index --add a a_big b b_big c &&
+ 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)'
+
+test_expect_success \
+ 'pack-objects with bogus arguments' \
+ 'test_must_fail git pack-objects --window=0 test-1 blah blah <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 $object || return 1
+ done <obj-list
+ } >current &&
+ cmp expect current'
+
+test_expect_success \
+ 'use packed deltified (REF_DELTA) objects' \
+ 'GIT_OBJECT_DIRECTORY=.git2/objects &&
+ export GIT_OBJECT_DIRECTORY &&
+ rm -f .git2/objects/pack/test-* &&
+ cp test-2-${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 $object || return 1
+ done <obj-list
+ } >current &&
+ cmp expect current'
+
+test_expect_success \
+ 'use packed deltified (OFS_DELTA) objects' \
+ 'GIT_OBJECT_DIRECTORY=.git2/objects &&
+ export GIT_OBJECT_DIRECTORY &&
+ rm -f .git2/objects/pack/test-* &&
+ cp test-3-${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 &&
+ cmp expect current'
+
+unset GIT_OBJECT_DIRECTORY
+
+test_expect_success 'survive missing objects/pack directory' '
+ (
+ rm -fr missing-pack &&
+ mkdir missing-pack &&
+ cd missing-pack &&
+ git init &&
+ GOP=.git/objects/pack
+ rm -fr $GOP &&
+ git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
+ test -f $GOP/pack-${packname_3}.pack &&
+ cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
+ test -f $GOP/pack-${packname_3}.idx &&
+ cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
+ test -f $GOP/pack-${packname_3}.keep
+ )
+'
+
+test_expect_success \
+ 'verify pack' \
+ 'git verify-pack test-1-${packname_1}.idx \
+ test-2-${packname_2}.idx \
+ test-3-${packname_3}.idx'
+
+test_expect_success \
+ 'verify pack -v' \
+ 'git verify-pack -v test-1-${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-${packname_1}.pack >test-3.pack &&
+ echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
+ if git verify-pack test-3.idx
+ then false
+ else :;
+ fi'
+
+test_expect_success \
+ 'verify-pack catches a corrupted pack version' \
+ 'cat test-1-${packname_1}.pack >test-3.pack &&
+ echo | dd 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 &&
+ echo | dd 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 &&
+ printf "%20s" "" | dd 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 'unpacking with --strict' '
+
+ for j in a b c d e f g
+ do
+ for i in 0 1 2 3 4 5 6 7 8 9
+ do
+ o=$(echo $j$i | git hash-object -w --stdin) &&
+ echo "100644 $o 0 $j$i"
+ done
+ done >LIST &&
+ rm -f .git/index &&
+ git update-index --index-info <LIST &&
+ LIST=$(git write-tree) &&
+ rm -f .git/index &&
+ head -n 10 LIST | git update-index --index-info &&
+ LI=$(git write-tree) &&
+ rm -f .git/index &&
+ tail -n 10 LIST | git update-index --index-info &&
+ ST=$(git write-tree) &&
+ PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
+ git pack-objects test-5 ) &&
+ PACK6=$( (
+ echo "$LIST"
+ echo "$LI"
+ echo "$ST"
+ ) | git pack-objects test-6 ) &&
+ test_create_repo test-5 &&
+ (
+ cd test-5 &&
+ git unpack-objects --strict <../test-5-$PACK5.pack &&
+ git ls-tree -r $LIST &&
+ git ls-tree -r $LI &&
+ git ls-tree -r $ST
+ ) &&
+ test_create_repo test-6 &&
+ (
+ # tree-only into empty repo -- many unreachables
+ cd test-6 &&
+ test_must_fail git unpack-objects --strict <../test-6-$PACK6.pack
+ ) &&
+ (
+ # already populated -- no unreachables
+ cd test-5 &&
+ git unpack-objects --strict <../test-6-$PACK6.pack
+ )
+'
+
+test_expect_success 'index-pack with --strict' '
+
+ for j in a b c d e f g
+ do
+ for i in 0 1 2 3 4 5 6 7 8 9
+ do
+ o=$(echo $j$i | git hash-object -w --stdin) &&
+ echo "100644 $o 0 $j$i"
+ done
+ done >LIST &&
+ rm -f .git/index &&
+ git update-index --index-info <LIST &&
+ LIST=$(git write-tree) &&
+ rm -f .git/index &&
+ head -n 10 LIST | git update-index --index-info &&
+ LI=$(git write-tree) &&
+ rm -f .git/index &&
+ tail -n 10 LIST | git update-index --index-info &&
+ ST=$(git write-tree) &&
+ PACK5=$( git rev-list --objects "$LIST" "$LI" "$ST" | \
+ git pack-objects test-5 ) &&
+ PACK6=$( (
+ echo "$LIST"
+ echo "$LI"
+ echo "$ST"
+ ) | git pack-objects test-6 ) &&
+ test_create_repo test-7 &&
+ (
+ cd test-7 &&
+ git index-pack --strict --stdin <../test-5-$PACK5.pack &&
+ git ls-tree -r $LIST &&
+ git ls-tree -r $LI &&
+ git ls-tree -r $ST
+ ) &&
+ test_create_repo test-8 &&
+ (
+ # tree-only into empty repo -- many unreachables
+ cd test-8 &&
+ test_must_fail git index-pack --strict --stdin <../test-6-$PACK6.pack
+ ) &&
+ (
+ # already populated -- no unreachables
+ cd test-7 &&
+ git index-pack --strict --stdin <../test-6-$PACK6.pack
+ )
+'
+
+test_expect_success 'honor pack.packSizeLimit' '
+ git config pack.packSizeLimit 3m &&
+ packname_10=$(git pack-objects test-10 <obj-list) &&
+ test 2 = $(ls test-10-*.pack | wc -l)
+'
+
+test_expect_success 'verify resulting packs' '
+ git verify-pack test-10-*.pack
+'
+
+test_expect_success 'tolerate packsizelimit smaller than biggest object' '
+ git config pack.packSizeLimit 1 &&
+ packname_11=$(git pack-objects test-11 <obj-list) &&
+ test 5 = $(ls test-11-*.pack | wc -l)
+'
+
+test_expect_success 'verify resulting packs' '
+ git verify-pack test-11-*.pack
+'
+
+#
+# WARNING!
+#
+# The following test is destructive. Please keep the next
+# two tests at the end of this file.
+#
+
+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_success \
+ 'make sure index-pack detects the SHA1 collision' \
+ 'test_must_fail git index-pack -o bad.idx test-3.pack 2>msg &&
+ test_i18ngrep "SHA1 COLLISION FOUND" msg'
+
+test_expect_success \
+ 'make sure index-pack detects the SHA1 collision (large blobs)' \
+ 'test_must_fail git -c core.bigfilethreshold=1 index-pack -o bad.idx test-3.pack 2>msg &&
+ test_i18ngrep "SHA1 COLLISION FOUND" msg'
+
+test_done
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