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