git-commit-vandalism/t/t9104-git-svn-follow-parent.sh
Ævar Arnfjörð Bjarmason 7a98d9ab00 revisions API: have release_revisions() release "cmdline"
Extend the the release_revisions() function so that it frees the
"cmdline" in the "struct rev_info". This in combination with a
preceding change to free "commits" and "mailmap" means that we can
whitelist another test under "TEST_PASSES_SANITIZE_LEAK=true".

There was a proposal in [1] to do away with xstrdup()-ing this
add_rev_cmdline(), perhaps that would be worthwhile, but for now let's
just free() it.

We could also make that a "char *" in "struct rev_cmdline_entry"
itself, but since we own it let's expose it as a constant to outside
callers. I proposed that in [2] but have since changed my mind. See
14d30cdfc0 (ref-filter: fix memory leak in `free_array_item()`,
2019-07-10), c514c62a4f (checkout: fix leak of non-existent branch
names, 2020-08-14) and other log history hits for "free((char *)" for
prior art.

This includes the tests we had false-positive passes on before my
6798b08e84 (perl Git.pm: don't ignore signalled failure in
_cmd_close(), 2022-02-01), now they pass for real.

Since there are 66 tests matching t/t[0-9]*git-svn*.sh it's easier to
list those that don't pass than to touch most of those 66. So let's
introduce a "TEST_FAILS_SANITIZE_LEAK=true", which if set in the tests
won't cause lib-git-svn.sh to set "TEST_PASSES_SANITIZE_LEAK=true.

This change also marks all the tests that we removed
"TEST_FAILS_SANITIZE_LEAK=true" from in an earlier commit due to
removing the UNLEAK() from cmd_format_patch(), we can now assert that
its API use doesn't leak any "struct rev_info" memory.

This change also made commit "t5503-tagfollow.sh" pass on current
master, but that would regress when combined with
ps/fetch-atomic-fixup's de004e848a (t5503: simplify setup of test
which exercises failure of backfill, 2022-03-03) (through no fault of
that topic, that change started using "git clone" in the test, which
has an outstanding leak). Let's leave that test out for now to avoid
in-flight semantic conflicts.

1. https://lore.kernel.org/git/YUj%2FgFRh6pwrZalY@carlos-mbp.lan/
2. https://lore.kernel.org/git/87o88obkb1.fsf@evledraar.gmail.com/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-04-13 23:56:09 -07:00

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#!/bin/sh
#
# Copyright (c) 2006 Eric Wong
#
test_description='git svn fetching'
TEST_FAILS_SANITIZE_LEAK=true
. ./lib-git-svn.sh
test_expect_success 'initialize repo' '
mkdir import &&
(
cd import &&
mkdir -p trunk &&
echo hello >trunk/readme &&
svn_cmd import -m "initial" . "$svnrepo"
) &&
svn_cmd co "$svnrepo" wc &&
(
cd wc &&
echo world >>trunk/readme &&
poke trunk/readme &&
svn_cmd commit -m "another commit" &&
svn_cmd up &&
svn_cmd mv trunk thunk &&
echo goodbye >>thunk/readme &&
poke thunk/readme &&
svn_cmd commit -m "bye now"
)
'
test_expect_success 'init and fetch a moved directory' '
git svn init --minimize-url -i thunk "$svnrepo"/thunk &&
git svn fetch -i thunk &&
test "$(git rev-parse --verify refs/remotes/thunk@2)" \
= "$(git rev-parse --verify refs/remotes/thunk~1)" &&
git cat-file blob refs/remotes/thunk:readme >actual &&
test "$(sed -n -e "3p" actual)" = goodbye &&
test -z "$(git config --get svn-remote.svn.fetch \
"^trunk:refs/remotes/thunk@2$")"
'
test_expect_success 'init and fetch from one svn-remote' '
git config svn-remote.svn.url "$svnrepo" &&
git config --add svn-remote.svn.fetch \
trunk:refs/remotes/svn/trunk &&
git config --add svn-remote.svn.fetch \
thunk:refs/remotes/svn/thunk &&
git svn fetch -i svn/thunk &&
test "$(git rev-parse --verify refs/remotes/svn/trunk)" \
= "$(git rev-parse --verify refs/remotes/svn/thunk~1)" &&
git cat-file blob refs/remotes/svn/thunk:readme >actual &&
test "$(sed -n -e "3p" actual)" = goodbye
'
test_expect_success 'follow deleted parent' '
(svn_cmd cp -m "resurrecting trunk as junk" \
"$svnrepo"/trunk@2 "$svnrepo"/junk ||
svn cp -m "resurrecting trunk as junk" \
-r2 "$svnrepo"/trunk "$svnrepo"/junk) &&
git config --add svn-remote.svn.fetch \
junk:refs/remotes/svn/junk &&
git svn fetch -i svn/thunk &&
git svn fetch -i svn/junk &&
test -z "$(git diff svn/junk svn/trunk)" &&
test "$(git merge-base svn/junk svn/trunk)" \
= "$(git rev-parse svn/trunk)"
'
test_expect_success 'follow larger parent' '
mkdir -p import/trunk/thunk/bump/thud &&
echo hi > import/trunk/thunk/bump/thud/file &&
svn import -m "import a larger parent" import "$svnrepo"/larger-parent &&
svn cp -m "hi" "$svnrepo"/larger-parent "$svnrepo"/another-larger &&
git svn init --minimize-url -i larger \
"$svnrepo"/larger-parent/trunk/thunk/bump/thud &&
git svn fetch -i larger &&
git svn init --minimize-url -i larger-parent \
"$svnrepo"/another-larger/trunk/thunk/bump/thud &&
git svn fetch -i larger-parent &&
git rev-parse --verify refs/remotes/larger &&
git rev-parse --verify \
refs/remotes/larger-parent &&
test "$(git merge-base \
refs/remotes/larger-parent \
refs/remotes/larger)" = \
"$(git rev-parse refs/remotes/larger)"
'
test_expect_success 'follow higher-level parent' '
svn mkdir -m "follow higher-level parent" "$svnrepo"/blob &&
svn co "$svnrepo"/blob blob &&
(
cd blob &&
echo hi > hi &&
svn add hi &&
svn commit -m "hihi"
) &&
svn mkdir -m "new glob at top level" "$svnrepo"/glob &&
svn mv -m "move blob down a level" "$svnrepo"/blob "$svnrepo"/glob/blob &&
git svn init --minimize-url -i blob "$svnrepo"/glob/blob &&
git svn fetch -i blob
'
test_expect_success 'follow deleted directory' '
svn_cmd mv -m "bye!" "$svnrepo"/glob/blob/hi "$svnrepo"/glob/blob/bye &&
svn_cmd rm -m "remove glob" "$svnrepo"/glob &&
git svn init --minimize-url -i glob "$svnrepo"/glob &&
git svn fetch -i glob &&
test "$(git cat-file blob refs/remotes/glob:blob/bye)" = hi &&
git ls-tree refs/remotes/glob >actual &&
test_line_count = 1 actual
'
# ref: r9270 of the Subversion repository: (http://svn.collab.net/repos/svn)
# in trunk/subversion/bindings/swig/perl
test_expect_success 'follow-parent avoids deleting relevant info' '
mkdir -p import/trunk/subversion/bindings/swig/perl/t &&
for i in a b c ; do \
echo $i > import/trunk/subversion/bindings/swig/perl/$i.pm &&
echo _$i > import/trunk/subversion/bindings/swig/perl/t/$i.t || return 1
done &&
echo "bad delete test" > \
import/trunk/subversion/bindings/swig/perl/t/larger-parent &&
echo "bad delete test 2" > \
import/trunk/subversion/bindings/swig/perl/another-larger &&
(
cd import &&
svn import -m "r9270 test" . "$svnrepo"/r9270
) &&
svn_cmd co "$svnrepo"/r9270/trunk/subversion/bindings/swig/perl r9270 &&
(
cd r9270 &&
svn mkdir native &&
svn mv t native/t &&
for i in a b c
do
svn mv $i.pm native/$i.pm || return 1
done &&
echo z >>native/t/c.t &&
poke native/t/c.t &&
svn commit -m "reorg test"
) &&
git svn init --minimize-url -i r9270-t \
"$svnrepo"/r9270/trunk/subversion/bindings/swig/perl/native/t &&
git svn fetch -i r9270-t &&
test $(git rev-list r9270-t | wc -l) -eq 2 &&
test "$(git ls-tree --name-only r9270-t~1)" = \
"$(git ls-tree --name-only r9270-t)"
'
test_expect_success "track initial change if it was only made to parent" '
svn_cmd cp -m "wheee!" "$svnrepo"/r9270/trunk "$svnrepo"/r9270/drunk &&
git svn init --minimize-url -i r9270-d \
"$svnrepo"/r9270/drunk/subversion/bindings/swig/perl/native/t &&
git svn fetch -i r9270-d &&
test $(git rev-list r9270-d | wc -l) -eq 3 &&
test "$(git ls-tree --name-only r9270-t)" = \
"$(git ls-tree --name-only r9270-d)" &&
test "$(git rev-parse r9270-t)" = \
"$(git rev-parse r9270-d~1)"
'
test_expect_success "follow-parent is atomic" '
record_size=$(($(test_oid rawsz) + 4)) &&
(
cd wc &&
svn_cmd up &&
svn_cmd mkdir stunk &&
echo "trunk stunk" > stunk/readme &&
svn_cmd add stunk/readme &&
svn_cmd ci -m "trunk stunk" &&
echo "stunk like junk" >> stunk/readme &&
svn_cmd ci -m "really stunk" &&
echo "stink stank stunk" >> stunk/readme &&
svn_cmd ci -m "even the grinch agrees"
) &&
svn_cmd copy -m "stunk flunked" "$svnrepo"/stunk "$svnrepo"/flunk &&
{ svn cp -m "early stunk flunked too" \
"$svnrepo"/stunk@17 "$svnrepo"/flunked ||
svn_cmd cp -m "early stunk flunked too" \
-r17 "$svnrepo"/stunk "$svnrepo"/flunked; } &&
git svn init --minimize-url -i stunk "$svnrepo"/stunk &&
git svn fetch -i stunk &&
git update-ref refs/remotes/flunk@18 refs/remotes/stunk~2 &&
git update-ref -d refs/remotes/stunk &&
git config --unset svn-remote.svn.fetch stunk &&
mkdir -p "$GIT_DIR"/svn/refs/remotes/flunk@18 &&
rev_map=$(cd "$GIT_DIR"/svn/refs/remotes/stunk && ls .rev_map*) &&
dd if="$GIT_DIR"/svn/refs/remotes/stunk/$rev_map \
of="$GIT_DIR"/svn/refs/remotes/flunk@18/$rev_map bs=$record_size count=1 &&
rm -rf "$GIT_DIR"/svn/refs/remotes/stunk &&
git svn init --minimize-url -i flunk "$svnrepo"/flunk &&
git svn fetch -i flunk &&
git svn init --minimize-url -i stunk "$svnrepo"/stunk &&
git svn fetch -i stunk &&
git svn init --minimize-url -i flunked "$svnrepo"/flunked &&
git svn fetch -i flunked &&
test "$(git rev-parse --verify refs/remotes/flunk@18)" \
= "$(git rev-parse --verify refs/remotes/stunk)" &&
test "$(git rev-parse --verify refs/remotes/flunk~1)" \
= "$(git rev-parse --verify refs/remotes/stunk)" &&
test "$(git rev-parse --verify refs/remotes/flunked~1)" \
= "$(git rev-parse --verify refs/remotes/stunk~1)"
'
test_expect_success "track multi-parent paths" '
svn_cmd cp -m "resurrect /glob" "$svnrepo"/r9270 "$svnrepo"/glob &&
git svn multi-fetch &&
git cat-file commit refs/remotes/glob >actual &&
grep "^parent " actual >actual2 &&
test_line_count = 2 actual2
'
test_expect_success "multi-fetch continues to work" "
git svn multi-fetch
"
test_expect_success "multi-fetch works off a 'clean' repository" '
rm -rf "$GIT_DIR/svn" &&
git for-each-ref --format="option no-deref%0adelete %(refname)" refs/remotes |
git update-ref --stdin &&
git reflog expire --all --expire=all &&
mkdir "$GIT_DIR/svn" &&
git svn multi-fetch
'
test_debug 'gitk --all &'
test_done