git/t/t2082-parallel-checkout-attributes.sh
Patrick Steinhardt 1f08999781 entry: fix leaking pathnames during delayed checkout
When filtering files during delayed checkout, we pass a string list to
`async_query_available_blobs()`. This list is initialized with NODUP,
and thus inserted strings will not be owned by the list. In the latter
function we then try to hand over ownership by passing an `xstrup()`'d
value to `string_list_insert()`. But this is not how this works: a NODUP
list does not take ownership of allocated strings and will never free
them for the caller.

Fix this issue by initializing the list as `DUP` instead and dropping
the explicit call to `xstrdup()`. This is okay to do given that this is
the single callsite of `async_query_available_blobs()`.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2024-08-01 08:47:37 -07:00

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#!/bin/sh
test_description='parallel-checkout: attributes
Verify that parallel-checkout correctly creates files that require
conversions, as specified in .gitattributes. The main point here is
to check that the conv_attr data is correctly sent to the workers
and that it contains sufficient information to smudge files
properly (without access to the index or attribute stack).
'
TEST_NO_CREATE_REPO=1
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY/lib-parallel-checkout.sh"
. "$TEST_DIRECTORY/lib-encoding.sh"
test_expect_success 'parallel-checkout with ident' '
set_checkout_config 2 0 &&
git init ident &&
(
cd ident &&
echo "A ident" >.gitattributes &&
echo "\$Id\$" >A &&
echo "\$Id\$" >B &&
git add -A &&
git commit -m id &&
rm A B &&
test_checkout_workers 2 git reset --hard &&
hexsz=$(test_oid hexsz) &&
grep -E "\\\$Id: [0-9a-f]{$hexsz} \\\$" A &&
grep "\\\$Id\\\$" B
)
'
test_expect_success 'parallel-checkout with re-encoding' '
set_checkout_config 2 0 &&
git init encoding &&
(
cd encoding &&
echo text >utf8-text &&
write_utf16 <utf8-text >utf16-text &&
echo "A working-tree-encoding=UTF-16" >.gitattributes &&
cp utf16-text A &&
cp utf8-text B &&
git add A B .gitattributes &&
git commit -m encoding &&
# Check that A is stored in UTF-8
git cat-file -p :A >A.internal &&
test_cmp_bin utf8-text A.internal &&
rm A B &&
test_checkout_workers 2 git checkout A B &&
# Check that A (and only A) is re-encoded during checkout
test_cmp_bin utf16-text A &&
test_cmp_bin utf8-text B
)
'
test_expect_success 'parallel-checkout with eol conversions' '
set_checkout_config 2 0 &&
git init eol &&
(
cd eol &&
printf "multi\r\nline\r\ntext" >crlf-text &&
printf "multi\nline\ntext" >lf-text &&
git config core.autocrlf false &&
echo "A eol=crlf" >.gitattributes &&
cp crlf-text A &&
cp lf-text B &&
git add A B .gitattributes &&
git commit -m eol &&
# Check that A is stored with LF format
git cat-file -p :A >A.internal &&
test_cmp_bin lf-text A.internal &&
rm A B &&
test_checkout_workers 2 git checkout A B &&
# Check that A (and only A) is converted to CRLF during checkout
test_cmp_bin crlf-text A &&
test_cmp_bin lf-text B
)
'
# Entries that require an external filter are not eligible for parallel
# checkout. Check that both the parallel-eligible and non-eligible entries are
# properly writen in a single checkout operation.
#
test_expect_success 'parallel-checkout and external filter' '
set_checkout_config 2 0 &&
git init filter &&
(
cd filter &&
write_script <<-\EOF rot13.sh &&
tr \
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" \
"nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM"
EOF
git config filter.rot13.clean "\"$(pwd)/rot13.sh\"" &&
git config filter.rot13.smudge "\"$(pwd)/rot13.sh\"" &&
git config filter.rot13.required true &&
echo abcd >original &&
echo nopq >rot13 &&
echo "A filter=rot13" >.gitattributes &&
cp original A &&
cp original B &&
cp original C &&
git add A B C .gitattributes &&
git commit -m filter &&
# Check that A (and only A) was cleaned
git cat-file -p :A >A.internal &&
test_cmp rot13 A.internal &&
git cat-file -p :B >B.internal &&
test_cmp original B.internal &&
git cat-file -p :C >C.internal &&
test_cmp original C.internal &&
rm A B C *.internal &&
test_checkout_workers 2 git checkout A B C &&
# Check that A (and only A) was smudged during checkout
test_cmp original A &&
test_cmp original B &&
test_cmp original C
)
'
# The delayed queue is independent from the parallel queue, and they should be
# able to work together in the same checkout process.
#
test_expect_success 'parallel-checkout and delayed checkout' '
test_config_global filter.delay.process \
"test-tool rot13-filter --always-delay --log=\"$(pwd)/delayed.log\" clean smudge delay" &&
test_config_global filter.delay.required true &&
echo "abcd" >original &&
echo "nopq" >rot13 &&
git init delayed &&
(
cd delayed &&
echo "*.d filter=delay" >.gitattributes &&
cp ../original W.d &&
cp ../original X.d &&
cp ../original Y &&
cp ../original Z &&
git add -A &&
git commit -m delayed &&
# Check that *.d files were cleaned
git cat-file -p :W.d >W.d.internal &&
test_cmp W.d.internal ../rot13 &&
git cat-file -p :X.d >X.d.internal &&
test_cmp X.d.internal ../rot13 &&
git cat-file -p :Y >Y.internal &&
test_cmp Y.internal ../original &&
git cat-file -p :Z >Z.internal &&
test_cmp Z.internal ../original &&
rm *
) &&
set_checkout_config 2 0 &&
test_checkout_workers 2 git -C delayed checkout -f &&
verify_checkout delayed &&
# Check that the *.d files got to the delay queue and were filtered
grep "smudge W.d .* \[DELAYED\]" delayed.log &&
grep "smudge X.d .* \[DELAYED\]" delayed.log &&
test_cmp delayed/W.d original &&
test_cmp delayed/X.d original &&
# Check that the parallel-eligible entries went to the right queue and
# were not filtered
! grep "smudge Y .* \[DELAYED\]" delayed.log &&
! grep "smudge Z .* \[DELAYED\]" delayed.log &&
test_cmp delayed/Y original &&
test_cmp delayed/Z original
'
test_done