| #!/bin/sh |
| # |
| # Copyright (c) 2007 Nicolas Pitre |
| # |
| |
| test_description='pack index with 64-bit offsets and object CRC' |
| . ./test-lib.sh |
| |
| test_expect_success 'setup' ' |
| rawsz=$(test_oid rawsz) && |
| rm -rf .git && |
| git init && |
| git config pack.threads 1 && |
| i=1 && |
| while test $i -le 100 |
| do |
| iii=$(printf "%03i" $i) |
| test-tool genrandom "bar" 200 > wide_delta_$iii && |
| test-tool genrandom "baz $iii" 50 >> wide_delta_$iii && |
| test-tool genrandom "foo"$i 100 > deep_delta_$iii && |
| test-tool genrandom "foo"$(expr $i + 1) 100 >> deep_delta_$iii && |
| test-tool genrandom "foo"$(expr $i + 2) 100 >> deep_delta_$iii && |
| echo $iii >file_$iii && |
| test-tool genrandom "$iii" 8192 >>file_$iii && |
| git update-index --add file_$iii deep_delta_$iii wide_delta_$iii && |
| i=$(expr $i + 1) || return 1 |
| done && |
| { echo 101 && test-tool genrandom 100 8192; } >file_101 && |
| git update-index --add file_101 && |
| tree=$(git write-tree) && |
| commit=$(git commit-tree $tree </dev/null) && { |
| echo $tree && |
| git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\) .*/\\1/" |
| } >obj-list && |
| git update-ref HEAD $commit |
| ' |
| |
| test_expect_success 'pack-objects with index version 1' ' |
| pack1=$(git pack-objects --index-version=1 test-1 <obj-list) && |
| git verify-pack -v "test-1-${pack1}.pack" |
| ' |
| |
| test_expect_success 'pack-objects with index version 2' ' |
| pack2=$(git pack-objects --index-version=2 test-2 <obj-list) && |
| git verify-pack -v "test-2-${pack2}.pack" |
| ' |
| |
| test_expect_success 'both packs should be identical' ' |
| cmp "test-1-${pack1}.pack" "test-2-${pack2}.pack" |
| ' |
| |
| test_expect_success 'index v1 and index v2 should be different' ' |
| ! cmp "test-1-${pack1}.idx" "test-2-${pack2}.idx" |
| ' |
| |
| test_expect_success 'index-pack with index version 1' ' |
| git index-pack --index-version=1 -o 1.idx "test-1-${pack1}.pack" |
| ' |
| |
| test_expect_success 'index-pack with index version 2' ' |
| git index-pack --index-version=2 -o 2.idx "test-1-${pack1}.pack" |
| ' |
| |
| test_expect_success 'index-pack results should match pack-objects ones' ' |
| cmp "test-1-${pack1}.idx" "1.idx" && |
| cmp "test-2-${pack2}.idx" "2.idx" |
| ' |
| |
| test_expect_success 'index-pack --verify on index version 1' ' |
| git index-pack --verify "test-1-${pack1}.pack" |
| ' |
| |
| test_expect_success 'index-pack --verify on index version 2' ' |
| git index-pack --verify "test-2-${pack2}.pack" |
| ' |
| |
| test_expect_success 'pack-objects --index-version=2, is not accepted' ' |
| test_must_fail git pack-objects --index-version=2, test-3 <obj-list |
| ' |
| |
| test_expect_success 'index v2: force some 64-bit offsets with pack-objects' ' |
| pack3=$(git pack-objects --index-version=2,0x40000 test-3 <obj-list) |
| ' |
| |
| if msg=$(git verify-pack -v "test-3-${pack3}.pack" 2>&1) || |
| ! (echo "$msg" | grep "pack too large .* off_t") |
| then |
| test_set_prereq OFF64_T |
| else |
| say "# skipping tests concerning 64-bit offsets" |
| fi |
| |
| test_expect_success OFF64_T 'index v2: verify a pack with some 64-bit offsets' ' |
| git verify-pack -v "test-3-${pack3}.pack" |
| ' |
| |
| test_expect_success OFF64_T '64-bit offsets: should be different from previous index v2 results' ' |
| ! cmp "test-2-${pack2}.idx" "test-3-${pack3}.idx" |
| ' |
| |
| test_expect_success OFF64_T 'index v2: force some 64-bit offsets with index-pack' ' |
| git index-pack --index-version=2,0x40000 -o 3.idx "test-1-${pack1}.pack" |
| ' |
| |
| test_expect_success OFF64_T '64-bit offsets: index-pack result should match pack-objects one' ' |
| cmp "test-3-${pack3}.idx" "3.idx" |
| ' |
| |
| test_expect_success OFF64_T 'index-pack --verify on 64-bit offset v2 (cheat)' ' |
| # This cheats by knowing which lower offset should still be encoded |
| # in 64-bit representation. |
| git index-pack --verify --index-version=2,0x40000 "test-3-${pack3}.pack" |
| ' |
| |
| test_expect_success OFF64_T 'index-pack --verify on 64-bit offset v2' ' |
| git index-pack --verify "test-3-${pack3}.pack" |
| ' |
| |
| # returns the object number for given object in given pack index |
| index_obj_nr() |
| { |
| idx_file=$1 |
| object_sha1=$2 |
| nr=0 |
| git show-index < $idx_file | |
| while read offs sha1 extra |
| do |
| nr=$(($nr + 1)) |
| test "$sha1" = "$object_sha1" || continue |
| echo "$(($nr - 1))" |
| break |
| done |
| } |
| |
| # returns the pack offset for given object as found in given pack index |
| index_obj_offset() |
| { |
| idx_file=$1 |
| object_sha1=$2 |
| git show-index < $idx_file | grep $object_sha1 | |
| ( read offs extra && echo "$offs" ) |
| } |
| |
| test_expect_success '[index v1] 1) stream pack to repository' ' |
| git index-pack --index-version=1 --stdin < "test-1-${pack1}.pack" && |
| git prune-packed && |
| git count-objects | ( read nr rest && test "$nr" -eq 1 ) && |
| cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" && |
| cmp "test-1-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx" |
| ' |
| |
| test_expect_success \ |
| '[index v1] 2) create a stealth corruption in a delta base reference' ' |
| # This test assumes file_101 is a delta smaller than 16 bytes. |
| # It should be against file_100 but we substitute its base for file_099 |
| sha1_101=$(git hash-object file_101) && |
| sha1_099=$(git hash-object file_099) && |
| offs_101=$(index_obj_offset 1.idx $sha1_101) && |
| nr_099=$(index_obj_nr 1.idx $sha1_099) && |
| chmod +w ".git/objects/pack/pack-${pack1}.pack" && |
| recordsz=$((rawsz + 4)) && |
| dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \ |
| if=".git/objects/pack/pack-${pack1}.idx" \ |
| skip=$((4 + 256 * 4 + $nr_099 * recordsz)) \ |
| bs=1 count=$rawsz conv=notrunc && |
| git cat-file blob $sha1_101 > file_101_foo1 |
| ' |
| |
| test_expect_success \ |
| '[index v1] 3) corrupted delta happily returned wrong data' ' |
| test -f file_101_foo1 && ! cmp file_101 file_101_foo1 |
| ' |
| |
| test_expect_success \ |
| '[index v1] 4) confirm that the pack is actually corrupted' ' |
| test_must_fail git fsck --full $commit |
| ' |
| |
| test_expect_success \ |
| '[index v1] 5) pack-objects happily reuses corrupted data' ' |
| pack4=$(git pack-objects test-4 <obj-list) && |
| test -f "test-4-${pack4}.pack" |
| ' |
| |
| test_expect_success '[index v1] 6) newly created pack is BAD !' ' |
| test_must_fail git verify-pack -v "test-4-${pack4}.pack" |
| ' |
| |
| test_expect_success '[index v2] 1) stream pack to repository' ' |
| rm -f .git/objects/pack/* && |
| git index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" && |
| git prune-packed && |
| git count-objects | ( read nr rest && test "$nr" -eq 1 ) && |
| cmp "test-1-${pack1}.pack" ".git/objects/pack/pack-${pack1}.pack" && |
| cmp "test-2-${pack1}.idx" ".git/objects/pack/pack-${pack1}.idx" |
| ' |
| |
| test_expect_success \ |
| '[index v2] 2) create a stealth corruption in a delta base reference' ' |
| # This test assumes file_101 is a delta smaller than 16 bytes. |
| # It should be against file_100 but we substitute its base for file_099 |
| sha1_101=$(git hash-object file_101) && |
| sha1_099=$(git hash-object file_099) && |
| offs_101=$(index_obj_offset 1.idx $sha1_101) && |
| nr_099=$(index_obj_nr 1.idx $sha1_099) && |
| chmod +w ".git/objects/pack/pack-${pack1}.pack" && |
| dd of=".git/objects/pack/pack-${pack1}.pack" seek=$(($offs_101 + 1)) \ |
| if=".git/objects/pack/pack-${pack1}.idx" \ |
| skip=$((8 + 256 * 4 + $nr_099 * rawsz)) \ |
| bs=1 count=$rawsz conv=notrunc && |
| git cat-file blob $sha1_101 > file_101_foo2 |
| ' |
| |
| test_expect_success \ |
| '[index v2] 3) corrupted delta happily returned wrong data' ' |
| test -f file_101_foo2 && ! cmp file_101 file_101_foo2 |
| ' |
| |
| test_expect_success \ |
| '[index v2] 4) confirm that the pack is actually corrupted' ' |
| test_must_fail git fsck --full $commit |
| ' |
| |
| test_expect_success \ |
| '[index v2] 5) pack-objects refuses to reuse corrupted data' ' |
| test_must_fail git pack-objects test-5 <obj-list && |
| test_must_fail git pack-objects --no-reuse-object test-6 <obj-list |
| ' |
| |
| test_expect_success \ |
| '[index v2] 6) verify-pack detects CRC mismatch' ' |
| rm -f .git/objects/pack/* && |
| git index-pack --index-version=2 --stdin < "test-1-${pack1}.pack" && |
| git verify-pack ".git/objects/pack/pack-${pack1}.pack" && |
| obj=$(git hash-object file_001) && |
| nr=$(index_obj_nr ".git/objects/pack/pack-${pack1}.idx" $obj) && |
| chmod +w ".git/objects/pack/pack-${pack1}.idx" && |
| printf xxxx | dd of=".git/objects/pack/pack-${pack1}.idx" conv=notrunc \ |
| bs=1 count=4 seek=$((8 + 256 * 4 + $(wc -l <obj-list) * rawsz + $nr * 4)) && |
| ( while read obj |
| do git cat-file -p $obj >/dev/null || exit 1 |
| done <obj-list ) && |
| test_must_fail git verify-pack ".git/objects/pack/pack-${pack1}.pack" |
| ' |
| |
| test_expect_success 'running index-pack in the object store' ' |
| rm -f .git/objects/pack/* && |
| cp test-1-${pack1}.pack .git/objects/pack/pack-${pack1}.pack && |
| ( |
| cd .git/objects/pack && |
| git index-pack pack-${pack1}.pack |
| ) && |
| test -f .git/objects/pack/pack-${pack1}.idx |
| ' |
| |
| test_expect_success 'index-pack --strict warns upon missing tagger in tag' ' |
| sha=$(git rev-parse HEAD) && |
| cat >wrong-tag <<EOF && |
| object $sha |
| type commit |
| tag guten tag |
| |
| This is an invalid tag. |
| EOF |
| |
| tag=$(git hash-object -t tag -w --stdin <wrong-tag) && |
| pack1=$(echo $tag $sha | git pack-objects tag-test) && |
| echo remove tag object && |
| thirtyeight=${tag#??} && |
| rm -f .git/objects/${tag%$thirtyeight}/$thirtyeight && |
| git index-pack --strict tag-test-${pack1}.pack 2>err && |
| grep "^warning:.* expected .tagger. line" err |
| ' |
| |
| test_expect_success 'index-pack --fsck-objects also warns upon missing tagger in tag' ' |
| git index-pack --fsck-objects tag-test-${pack1}.pack 2>err && |
| grep "^warning:.* expected .tagger. line" err |
| ' |
| |
| test_expect_success 'index-pack -v --stdin produces progress for both phases' ' |
| pack=$(git pack-objects --all pack </dev/null) && |
| GIT_PROGRESS_DELAY=0 git index-pack -v --stdin <pack-$pack.pack 2>err && |
| test_i18ngrep "Receiving objects" err && |
| test_i18ngrep "Resolving deltas" err |
| ' |
| |
| test_done |