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git/t/t6003-rev-list-topo-order.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) 2005 Jon Seymour
#
test_description='Tests git rev-list --topo-order functionality'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-t6000.sh # t6xxx specific functions
list_duplicates()
{
"$@" | sort | uniq -d
}
date >path0
git update-index --add path0
save_tag tree git write-tree
on_dates "00:00" "00:00" hide_error save_tag root unique_commit root tree
on_dates "00:01" "00:01" save_tag l0 unique_commit l0 tree -p root
on_dates "00:02" "00:02" save_tag l1 unique_commit l1 tree -p l0
on_dates "00:03" "00:03" save_tag l2 unique_commit l2 tree -p l1
on_dates "00:04" "00:04" save_tag a0 unique_commit a0 tree -p l2
on_dates "00:05" "00:05" save_tag a1 unique_commit a1 tree -p a0
on_dates "00:06" "00:06" save_tag b1 unique_commit b1 tree -p a0
on_dates "00:07" "00:07" save_tag c1 unique_commit c1 tree -p b1
on_dates "00:08" "00:08" as_author foobar@example.com save_tag b2 unique_commit b2 tree -p b1
on_dates "00:09" "00:09" save_tag b3 unique_commit b3 tree -p b2
on_dates "00:10" "00:10" save_tag c2 unique_commit c2 tree -p c1 -p b2
on_dates "00:11" "00:11" save_tag c3 unique_commit c3 tree -p c2
on_dates "00:12" "00:00" save_tag a2 unique_commit a2 tree -p a1
on_dates "00:13" "00:01" save_tag a3 unique_commit a3 tree -p a2
on_dates "00:14" "00:14" save_tag b4 unique_commit b4 tree -p b3 -p a3
on_dates "00:15" "00:15" save_tag a4 unique_commit a4 tree -p a3 -p b4 -p c3
on_dates "00:16" "00:16" save_tag l3 unique_commit l3 tree -p a4
on_dates "00:17" "00:17" save_tag l4 unique_commit l4 tree -p l3
on_dates "00:18" "00:18" save_tag l5 unique_commit l5 tree -p l4
on_dates "00:19" "00:19" save_tag m1 unique_commit m1 tree -p a4 -p c3
on_dates "00:20" "00:20" save_tag m2 unique_commit m2 tree -p c3 -p a4
on_dates "00:21" "00:21" hide_error save_tag alt_root unique_commit alt_root tree
on_dates "00:22" "00:22" save_tag r0 unique_commit r0 tree -p alt_root
on_dates "00:23" "00:23" save_tag r1 unique_commit r1 tree -p r0
on_dates "00:24" "00:24" save_tag l5r1 unique_commit l5r1 tree -p l5 -p r1
on_dates "00:25" "00:25" save_tag r1l5 unique_commit r1l5 tree -p r1 -p l5
hide_error save_tag e1 as_author e@example.com unique_commit e1 tree
save_tag e2 as_author e@example.com unique_commit e2 tree -p e1
save_tag f1 as_author f@example.com unique_commit f1 tree -p e1
save_tag e3 as_author e@example.com unique_commit e3 tree -p e2
save_tag f2 as_author f@example.com unique_commit f2 tree -p f1
save_tag e4 as_author e@example.com unique_commit e4 tree -p e3 -p f2
save_tag e5 as_author e@example.com unique_commit e5 tree -p e4
save_tag f3 as_author f@example.com unique_commit f3 tree -p f2
save_tag f4 as_author f@example.com unique_commit f4 tree -p f3
save_tag e6 as_author e@example.com unique_commit e6 tree -p e5 -p f4
save_tag f5 as_author f@example.com unique_commit f5 tree -p f4
save_tag f6 as_author f@example.com unique_commit f6 tree -p f5 -p e6
save_tag e7 as_author e@example.com unique_commit e7 tree -p e6
save_tag e8 as_author e@example.com unique_commit e8 tree -p e7
save_tag e9 as_author e@example.com unique_commit e9 tree -p e8
save_tag f7 as_author f@example.com unique_commit f7 tree -p f6
save_tag f8 as_author f@example.com unique_commit f8 tree -p f7
save_tag f9 as_author f@example.com unique_commit f9 tree -p f8
save_tag e10 as_author e@example.com unique_commit e1 tree -p e9 -p f8
hide_error save_tag g0 unique_commit g0 tree
save_tag g1 unique_commit g1 tree -p g0
save_tag h1 unique_commit g2 tree -p g0
save_tag g2 unique_commit g3 tree -p g1 -p h1
save_tag h2 unique_commit g4 tree -p g2
save_tag g3 unique_commit g5 tree -p g2
save_tag g4 unique_commit g6 tree -p g3 -p h2
git update-ref HEAD $(tag l5)
test_output_expect_success 'rev-list has correct number of entries' 'git rev-list HEAD | wc -l | tr -d \" \"' <<EOF
19
EOF
test_output_expect_success 'simple topo order' 'git rev-list --topo-order HEAD' <<EOF
l5
l4
l3
a4
c3
c2
c1
b4
a3
a2
a1
b3
b2
b1
a0
l2
l1
l0
root
EOF
test_output_expect_success 'simple date order' 'git rev-list --date-order HEAD' <<EOF
l5
l4
l3
a4
b4
a3
a2
c3
c2
b3
b2
c1
b1
a1
a0
l2
l1
l0
root
EOF
test_output_expect_success 'simple author-date order' 'git rev-list --author-date-order HEAD' <<EOF
l5
l4
l3
a4
b4
c3
c2
b3
b2
c1
b1
a3
a2
a1
a0
l2
l1
l0
root
EOF
test_output_expect_success 'two diamonds topo order (g6)' 'git rev-list --topo-order g4' <<EOF
g4
h2
g3
g2
h1
g1
g0
EOF
test_output_expect_success 'multiple heads' 'git rev-list --topo-order a3 b3 c3' <<EOF
a3
a2
a1
c3
c2
c1
b3
b2
b1
a0
l2
l1
l0
root
EOF
test_output_expect_success 'multiple heads, prune at a1' 'git rev-list --topo-order a3 b3 c3 ^a1' <<EOF
a3
a2
c3
c2
c1
b3
b2
b1
EOF
test_output_expect_success 'multiple heads, prune at l1' 'git rev-list --topo-order a3 b3 c3 ^l1' <<EOF
a3
a2
a1
c3
c2
c1
b3
b2
b1
a0
l2
EOF
test_output_expect_success 'cross-epoch, head at l5, prune at l1' 'git rev-list --topo-order l5 ^l1' <<EOF
l5
l4
l3
a4
c3
c2
c1
b4
a3
a2
a1
b3
b2
b1
a0
l2
EOF
test_output_expect_success 'duplicated head arguments' 'git rev-list --topo-order l5 l5 ^l1' <<EOF
l5
l4
l3
a4
c3
c2
c1
b4
a3
a2
a1
b3
b2
b1
a0
l2
EOF
test_output_expect_success 'prune near topo' 'git rev-list --topo-order a4 ^c3' <<EOF
a4
b4
a3
a2
a1
b3
EOF
test_output_expect_success "head has no parent" 'git rev-list --topo-order root' <<EOF
root
EOF
test_output_expect_success "two nodes - one head, one base" 'git rev-list --topo-order l0' <<EOF
l0
root
EOF
test_output_expect_success "three nodes one head, one internal, one base" 'git rev-list --topo-order l1' <<EOF
l1
l0
root
EOF
test_output_expect_success "linear prune l2 ^root" 'git rev-list --topo-order l2 ^root' <<EOF
l2
l1
l0
EOF
test_output_expect_success "linear prune l2 ^l0" 'git rev-list --topo-order l2 ^l0' <<EOF
l2
l1
EOF
test_output_expect_success "linear prune l2 ^l1" 'git rev-list --topo-order l2 ^l1' <<EOF
l2
EOF
test_output_expect_success "linear prune l5 ^a4" 'git rev-list --topo-order l5 ^a4' <<EOF
l5
l4
l3
EOF
test_output_expect_success "linear prune l5 ^l3" 'git rev-list --topo-order l5 ^l3' <<EOF
l5
l4
EOF
test_output_expect_success "linear prune l5 ^l4" 'git rev-list --topo-order l5 ^l4' <<EOF
l5
EOF
test_output_expect_success "max-count 10 - topo order" 'git rev-list --topo-order --max-count=10 l5' <<EOF
l5
l4
l3
a4
c3
c2
c1
b4
a3
a2
EOF
test_output_expect_success "max-count 10 - non topo order" 'git rev-list --max-count=10 l5' <<EOF
l5
l4
l3
a4
b4
a3
a2
c3
c2
b3
EOF
test_output_expect_success '--max-age=c3, no --topo-order' "git rev-list --max-age=$(commit_date c3) l5" <<EOF
l5
l4
l3
a4
b4
a3
a2
c3
EOF
#
# this test fails on --topo-order - a fix is required
#
#test_output_expect_success '--max-age=c3, --topo-order' "git rev-list --topo-order --max-age=$(commit_date c3) l5" <<EOF
#l5
#l4
#l3
#a4
#c3
#b4
#a3
#a2
#EOF
test_output_expect_success 'one specified head reachable from another a4, c3, --topo-order' "list_duplicates git rev-list --topo-order a4 c3" <<EOF
EOF
test_output_expect_success 'one specified head reachable from another c3, a4, --topo-order' "list_duplicates git rev-list --topo-order c3 a4" <<EOF
EOF
test_output_expect_success 'one specified head reachable from another a4, c3, no --topo-order' "list_duplicates git rev-list a4 c3" <<EOF
EOF
test_output_expect_success 'one specified head reachable from another c3, a4, no --topo-order' "list_duplicates git rev-list c3 a4" <<EOF
EOF
test_output_expect_success 'graph with c3 and a4 parents of head' "list_duplicates git rev-list m1" <<EOF
EOF
test_output_expect_success 'graph with a4 and c3 parents of head' "list_duplicates git rev-list m2" <<EOF
EOF
test_expect_success "head ^head --topo-order" 'git rev-list --topo-order a3 ^a3' <<EOF
EOF
test_expect_success "head ^head no --topo-order" 'git rev-list a3 ^a3' <<EOF
EOF
test_output_expect_success 'simple topo order (l5r1)' 'git rev-list --topo-order l5r1' <<EOF
l5r1
r1
r0
alt_root
l5
l4
l3
a4
c3
c2
c1
b4
a3
a2
a1
b3
b2
b1
a0
l2
l1
l0
root
EOF
test_output_expect_success 'simple topo order (r1l5)' 'git rev-list --topo-order r1l5' <<EOF
r1l5
l5
l4
l3
a4
c3
c2
c1
b4
a3
a2
a1
b3
b2
b1
a0
l2
l1
l0
root
r1
r0
alt_root
EOF
test_output_expect_success "don't print things unreachable from one branch" "git rev-list a3 ^b3 --topo-order" <<EOF
a3
a2
a1
EOF
test_output_expect_success "--topo-order a4 l3" "git rev-list --topo-order a4 l3" <<EOF
l3
a4
c3
c2
c1
b4
a3
a2
a1
b3
b2
b1
a0
l2
l1
l0
root
EOF
#
#
test_done
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