mirror of
https://github.com/git/git.git
synced 2024-05-25 11:16:10 +02:00
953aa54e1a
A negative window size makes no sense, and the code in find_deltas() is not prepared to handle it. If you pass "-1", for example, we end up generate a 0-length array of "struct unpacked", but our loop assumes it has at least one entry in it (and we end up reading garbage memory). We could complain to the user about this, but it's more forgiving to just clamp it to 0, which means "do not find any deltas at all". The 0-case is already tested earlier in the script, so we'll make sure this does the same thing. Reported-by: Yiyuan guo <yguoaz@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
622 lines
17 KiB
Bash
Executable File
622 lines
17 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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test_expect_success 'setup' '
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rm -f .git/index* &&
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perl -e "print \"a\" x 4096;" >a &&
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perl -e "print \"b\" x 4096;" >b &&
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perl -e "print \"c\" x 4096;" >c &&
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test-tool genrandom "seed a" 2097152 >a_big &&
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test-tool genrandom "seed b" 2097152 >b_big &&
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git update-index --add a a_big b b_big c &&
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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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{
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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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{
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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 $object || return 1
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done <obj-list
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} >expect
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'
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# usage: check_deltas <stderr_from_pack_objects> <cmp_op> <nr_deltas>
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# e.g.: check_deltas stderr -gt 0
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check_deltas() {
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deltas=$(perl -lne '/delta (\d+)/ and print $1' "$1") &&
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shift &&
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if ! test "$deltas" "$@"
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then
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echo >&2 "unexpected number of deltas (compared $delta $*)"
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return 1
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fi
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}
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test_expect_success 'pack without delta' '
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packname_1=$(git pack-objects --progress --window=0 test-1 \
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<obj-list 2>stderr) &&
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check_deltas stderr = 0
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'
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test_expect_success 'pack-objects with bogus arguments' '
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test_must_fail git pack-objects --window=0 test-1 blah blah <obj-list
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'
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check_unpack () {
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test_when_finished "rm -rf git2" &&
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git init --bare git2 &&
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git -C git2 unpack-objects -n <"$1".pack &&
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git -C git2 unpack-objects <"$1".pack &&
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(cd .git && find objects -type f -print) |
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while read path
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do
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cmp git2/$path .git/$path || {
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echo $path differs.
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return 1
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}
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done
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}
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test_expect_success 'unpack without delta' '
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check_unpack test-1-${packname_1}
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'
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test_expect_success 'pack with REF_DELTA' '
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packname_2=$(git pack-objects --progress test-2 <obj-list 2>stderr) &&
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check_deltas stderr -gt 0
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'
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test_expect_success 'unpack with REF_DELTA' '
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check_unpack test-2-${packname_2}
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'
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test_expect_success 'pack with OFS_DELTA' '
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packname_3=$(git pack-objects --progress --delta-base-offset test-3 \
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<obj-list 2>stderr) &&
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check_deltas stderr -gt 0
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'
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test_expect_success 'unpack with OFS_DELTA' '
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check_unpack test-3-${packname_3}
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'
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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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check_use_objects () {
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test_when_finished "rm -rf git2" &&
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git init --bare git2 &&
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cp "$1".pack "$1".idx git2/objects/pack &&
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(
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cd git2 &&
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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 $object || exit 1
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done
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) <obj-list >current &&
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cmp expect current
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}
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test_expect_success 'use packed objects' '
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check_use_objects test-1-${packname_1}
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'
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test_expect_success 'use packed deltified (REF_DELTA) objects' '
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check_use_objects test-2-${packname_2}
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'
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test_expect_success 'use packed deltified (OFS_DELTA) objects' '
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check_use_objects test-3-${packname_3}
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'
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test_expect_success 'survive missing objects/pack directory' '
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(
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rm -fr missing-pack &&
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mkdir missing-pack &&
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cd missing-pack &&
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git init &&
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GOP=.git/objects/pack &&
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rm -fr $GOP &&
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git index-pack --stdin --keep=test <../test-3-${packname_3}.pack &&
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test -f $GOP/pack-${packname_3}.pack &&
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cmp $GOP/pack-${packname_3}.pack ../test-3-${packname_3}.pack &&
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test -f $GOP/pack-${packname_3}.idx &&
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cmp $GOP/pack-${packname_3}.idx ../test-3-${packname_3}.idx &&
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test -f $GOP/pack-${packname_3}.keep
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)
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'
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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-${packname_1}.pack >test-3.pack &&
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echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=2 &&
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if git verify-pack test-3.idx
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then false
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else :;
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fi'
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test_expect_success \
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'verify-pack catches a corrupted pack version' \
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'cat test-1-${packname_1}.pack >test-3.pack &&
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echo | dd 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-${packname_1}.pack >test-3.pack &&
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echo | dd of=test-3.pack count=1 bs=1 conv=notrunc seek=12 &&
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if git verify-pack test-3.idx
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then false
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else :;
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fi'
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test_expect_success \
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'verify-pack catches a corrupted sum of the index file itself' \
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'l=$(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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printf "%20s" "" | dd 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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cat test-1-${packname_1}.pack >test-4.pack &&
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rm -f test-4.keep &&
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git index-pack --keep=why test-4.pack &&
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cmp test-1-${packname_1}.idx test-4.idx &&
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test -f test-4.keep &&
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:'
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test_expect_success 'unpacking 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=$(git write-tree) &&
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git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
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PACK5=$( git pack-objects test-5 <actual ) &&
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PACK6=$( (
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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=$(git write-tree) &&
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git rev-list --objects "$LIST" "$LI" "$ST" >actual &&
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PACK5=$( git pack-objects test-5 <actual ) &&
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PACK6=$( (
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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-$PACK6.pack
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)
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'
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test_expect_success 'honor pack.packSizeLimit' '
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git config pack.packSizeLimit 3m &&
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packname_10=$(git pack-objects test-10 <obj-list) &&
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test 2 = $(ls test-10-*.pack | wc -l)
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'
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test_expect_success 'verify resulting packs' '
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git verify-pack test-10-*.pack
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'
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test_expect_success 'tolerate packsizelimit smaller than biggest object' '
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git config pack.packSizeLimit 1 &&
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packname_11=$(git pack-objects test-11 <obj-list) &&
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test 5 = $(ls test-11-*.pack | wc -l)
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'
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test_expect_success 'verify resulting packs' '
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git verify-pack test-11-*.pack
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'
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test_expect_success 'set up pack for non-repo tests' '
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# make sure we have a pack with no matching index file
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cp test-1-*.pack foo.pack
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'
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test_expect_success 'index-pack --stdin complains of non-repo' '
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nongit test_must_fail git index-pack --object-format=$(test_oid algo) --stdin <foo.pack &&
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test_path_is_missing non-repo/.git
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'
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test_expect_success 'index-pack <pack> works in non-repo' '
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nongit git index-pack --object-format=$(test_oid algo) ../foo.pack &&
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test_path_is_file foo.idx
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'
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test_expect_success 'index-pack --strict <pack> works in non-repo' '
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rm -f foo.idx &&
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nongit git index-pack --strict --object-format=$(test_oid algo) ../foo.pack &&
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test_path_is_file foo.idx
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'
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test_expect_success !PTHREADS,!FAIL_PREREQS \
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'index-pack --threads=N or pack.threads=N warns when no pthreads' '
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test_must_fail git index-pack --threads=2 2>err &&
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grep ^warning: err >warnings &&
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test_line_count = 1 warnings &&
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grep -F "no threads support, ignoring --threads=2" err &&
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test_must_fail git -c pack.threads=2 index-pack 2>err &&
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grep ^warning: err >warnings &&
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test_line_count = 1 warnings &&
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grep -F "no threads support, ignoring pack.threads" err &&
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test_must_fail git -c pack.threads=2 index-pack --threads=4 2>err &&
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grep ^warning: err >warnings &&
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test_line_count = 2 warnings &&
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grep -F "no threads support, ignoring --threads=4" err &&
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grep -F "no threads support, ignoring pack.threads" err
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'
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test_expect_success !PTHREADS,!FAIL_PREREQS \
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'pack-objects --threads=N or pack.threads=N warns when no pthreads' '
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git pack-objects --threads=2 --stdout --all </dev/null >/dev/null 2>err &&
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grep ^warning: err >warnings &&
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test_line_count = 1 warnings &&
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grep -F "no threads support, ignoring --threads" err &&
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git -c pack.threads=2 pack-objects --stdout --all </dev/null >/dev/null 2>err &&
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grep ^warning: err >warnings &&
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test_line_count = 1 warnings &&
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grep -F "no threads support, ignoring pack.threads" err &&
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git -c pack.threads=2 pack-objects --threads=4 --stdout --all </dev/null >/dev/null 2>err &&
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grep ^warning: err >warnings &&
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test_line_count = 2 warnings &&
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grep -F "no threads support, ignoring --threads" err &&
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grep -F "no threads support, ignoring pack.threads" err
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'
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test_expect_success 'pack-objects in too-many-packs mode' '
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GIT_TEST_FULL_IN_PACK_ARRAY=1 git repack -ad &&
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git fsck
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'
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test_expect_success 'setup: fake a SHA1 hash collision' '
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git init corrupt &&
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(
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cd corrupt &&
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long_a=$(git hash-object -w ../a | sed -e "s!^..!&/!") &&
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long_b=$(git hash-object -w ../b | sed -e "s!^..!&/!") &&
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test -f .git/objects/$long_b &&
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cp -f .git/objects/$long_a \
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.git/objects/$long_b
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)
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'
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test_expect_success 'make sure index-pack detects the SHA1 collision' '
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(
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cd corrupt &&
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test_must_fail git index-pack -o ../bad.idx ../test-3.pack 2>msg &&
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test_i18ngrep "SHA1 COLLISION FOUND" msg
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)
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'
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test_expect_success 'make sure index-pack detects the SHA1 collision (large blobs)' '
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(
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cd corrupt &&
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test_must_fail git -c core.bigfilethreshold=1 index-pack -o ../bad.idx ../test-3.pack 2>msg &&
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test_i18ngrep "SHA1 COLLISION FOUND" msg
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)
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'
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test_expect_success 'prefetch objects' '
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rm -rf server client &&
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git init server &&
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test_config -C server uploadpack.allowanysha1inwant 1 &&
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test_config -C server uploadpack.allowfilter 1 &&
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test_config -C server protocol.version 2 &&
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echo one >server/one &&
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git -C server add one &&
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git -C server commit -m one &&
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git -C server branch one_branch &&
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echo two_a >server/two_a &&
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echo two_b >server/two_b &&
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git -C server add two_a two_b &&
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git -C server commit -m two &&
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echo three >server/three &&
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git -C server add three &&
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git -C server commit -m three &&
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git -C server branch three_branch &&
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# Clone, fetch "two" with blobs excluded, and re-push it. This requires
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# the client to have the blobs of "two" - verify that these are
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# prefetched in one batch.
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git clone --filter=blob:none --single-branch -b one_branch \
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"file://$(pwd)/server" client &&
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test_config -C client protocol.version 2 &&
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TWO=$(git -C server rev-parse three_branch^) &&
|
|
git -C client fetch --filter=blob:none origin "$TWO" &&
|
|
GIT_TRACE_PACKET=$(pwd)/trace git -C client push origin "$TWO":refs/heads/two_branch &&
|
|
grep "fetch> done" trace >donelines &&
|
|
test_line_count = 1 donelines
|
|
'
|
|
|
|
test_expect_success 'setup for --stdin-packs tests' '
|
|
git init stdin-packs &&
|
|
(
|
|
cd stdin-packs &&
|
|
|
|
test_commit A &&
|
|
test_commit B &&
|
|
test_commit C &&
|
|
|
|
for id in A B C
|
|
do
|
|
git pack-objects .git/objects/pack/pack-$id \
|
|
--incremental --revs <<-EOF
|
|
refs/tags/$id
|
|
EOF
|
|
done &&
|
|
|
|
ls -la .git/objects/pack
|
|
)
|
|
'
|
|
|
|
test_expect_success '--stdin-packs with excluded packs' '
|
|
(
|
|
cd stdin-packs &&
|
|
|
|
PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
|
|
PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
|
|
PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
|
|
|
|
git pack-objects test --stdin-packs <<-EOF &&
|
|
$PACK_A
|
|
^$PACK_B
|
|
$PACK_C
|
|
EOF
|
|
|
|
(
|
|
git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
|
|
git show-index <$(ls .git/objects/pack/pack-C-*.idx)
|
|
) >expect.raw &&
|
|
git show-index <$(ls test-*.idx) >actual.raw &&
|
|
|
|
cut -d" " -f2 <expect.raw | sort >expect &&
|
|
cut -d" " -f2 <actual.raw | sort >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success '--stdin-packs is incompatible with --filter' '
|
|
(
|
|
cd stdin-packs &&
|
|
test_must_fail git pack-objects --stdin-packs --stdout \
|
|
--filter=blob:none </dev/null 2>err &&
|
|
test_i18ngrep "cannot use --filter with --stdin-packs" err
|
|
)
|
|
'
|
|
|
|
test_expect_success '--stdin-packs is incompatible with --revs' '
|
|
(
|
|
cd stdin-packs &&
|
|
test_must_fail git pack-objects --stdin-packs --revs out \
|
|
</dev/null 2>err &&
|
|
test_i18ngrep "cannot use internal rev list with --stdin-packs" err
|
|
)
|
|
'
|
|
|
|
test_expect_success '--stdin-packs with loose objects' '
|
|
(
|
|
cd stdin-packs &&
|
|
|
|
PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
|
|
PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
|
|
PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
|
|
|
|
test_commit D && # loose
|
|
|
|
git pack-objects test2 --stdin-packs --unpacked <<-EOF &&
|
|
$PACK_A
|
|
^$PACK_B
|
|
$PACK_C
|
|
EOF
|
|
|
|
(
|
|
git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
|
|
git show-index <$(ls .git/objects/pack/pack-C-*.idx) &&
|
|
git rev-list --objects --no-object-names \
|
|
refs/tags/C..refs/tags/D
|
|
|
|
) >expect.raw &&
|
|
ls -la . &&
|
|
git show-index <$(ls test2-*.idx) >actual.raw &&
|
|
|
|
cut -d" " -f2 <expect.raw | sort >expect &&
|
|
cut -d" " -f2 <actual.raw | sort >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success '--stdin-packs with broken links' '
|
|
(
|
|
cd stdin-packs &&
|
|
|
|
# make an unreachable object with a bogus parent
|
|
git cat-file -p HEAD >commit &&
|
|
sed "s/$(git rev-parse HEAD^)/$(test_oid zero)/" <commit |
|
|
git hash-object -w -t commit --stdin >in &&
|
|
|
|
git pack-objects .git/objects/pack/pack-D <in &&
|
|
|
|
PACK_A="$(basename .git/objects/pack/pack-A-*.pack)" &&
|
|
PACK_B="$(basename .git/objects/pack/pack-B-*.pack)" &&
|
|
PACK_C="$(basename .git/objects/pack/pack-C-*.pack)" &&
|
|
PACK_D="$(basename .git/objects/pack/pack-D-*.pack)" &&
|
|
|
|
git pack-objects test3 --stdin-packs --unpacked <<-EOF &&
|
|
$PACK_A
|
|
^$PACK_B
|
|
$PACK_C
|
|
$PACK_D
|
|
EOF
|
|
|
|
(
|
|
git show-index <$(ls .git/objects/pack/pack-A-*.idx) &&
|
|
git show-index <$(ls .git/objects/pack/pack-C-*.idx) &&
|
|
git show-index <$(ls .git/objects/pack/pack-D-*.idx) &&
|
|
git rev-list --objects --no-object-names \
|
|
refs/tags/C..refs/tags/D
|
|
) >expect.raw &&
|
|
git show-index <$(ls test3-*.idx) >actual.raw &&
|
|
|
|
cut -d" " -f2 <expect.raw | sort >expect &&
|
|
cut -d" " -f2 <actual.raw | sort >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'negative window clamps to 0' '
|
|
git pack-objects --progress --window=-1 neg-window <obj-list 2>stderr &&
|
|
check_deltas stderr = 0
|
|
'
|
|
|
|
test_done
|