git/t/t5600-clone-fail-cleanup.sh
Ævar Arnfjörð Bjarmason e75d2f7f73 revisions API: have release_revisions() release "filter"
Extend the the release_revisions() function so that it frees the
"filter" in the "struct rev_info". This in combination with a
preceding change to free "cmdline" means that we can mark another set
of tests as passing under "TEST_PASSES_SANITIZE_LEAK=true".

The "filter" member was added recently in ffaa137f64 (revision: put
object filter into struct rev_info, 2022-03-09), and this fixes leaks
intruded in the subsequent leak 7940941de1 (pack-objects: use
rev.filter when possible, 2022-03-09) and 105c6f14ad (bundle: parse
filter capability, 2022-03-09).

The "builtin/pack-objects.c" leak in 7940941de1 was effectively with
us already, but the variable was referred to by a "static" file-scoped
variable. The "bundle.c " leak in 105c6f14ad was newly introduced
with the new "filter" feature for bundles.

The "t5600-clone-fail-cleanup.sh" change here to add
"TEST_PASSES_SANITIZE_LEAK=true" is one of the cases where
run-command.c in not carrying the abort() exit code upwards would have
had that test passing before, but now it *actually* passes[1]. We
should fix the lack of 1=1 mapping of SANITIZE=leak testing to actual
leaks some other time, but it's an existing edge case, let's just mark
the really-passing test as passing for now.

1. https://lore.kernel.org/git/220303.86fsnz5o9w.gmgdl@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 Carl D. Worth <cworth@cworth.org>
#
test_description='test git clone to cleanup after failure
This test covers the fact that if git clone fails, it should remove
the directory it created, to avoid the user having to manually
remove the directory before attempting a clone again.
Unless the directory already exists, in which case we clean up only what we
wrote.
'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
corrupt_repo () {
test_when_finished "rmdir foo/.git/objects.bak" &&
mkdir foo/.git/objects.bak/ &&
test_when_finished "mv foo/.git/objects.bak/* foo/.git/objects/" &&
mv foo/.git/objects/* foo/.git/objects.bak/
}
test_expect_success 'clone of non-existent source should fail' '
test_must_fail git clone foo bar
'
test_expect_success 'failed clone should not leave a directory' '
test_path_is_missing bar
'
test_expect_success 'create a repo to clone' '
test_create_repo foo
'
test_expect_success 'create objects in repo for later corruption' '
test_commit -C foo file &&
git -C foo checkout --detach &&
test_commit -C foo detached
'
# source repository given to git clone should be relative to the
# current path not to the target dir
test_expect_success 'clone of non-existent (relative to $PWD) source should fail' '
test_must_fail git clone ../foo baz
'
test_expect_success 'clone should work now that source exists' '
git clone foo bar
'
test_expect_success 'successful clone must leave the directory' '
test_path_is_dir bar
'
test_expect_success 'failed clone --separate-git-dir should not leave any directories' '
corrupt_repo &&
test_must_fail git clone --separate-git-dir gitdir foo worktree &&
test_path_is_missing gitdir &&
test_path_is_missing worktree
'
test_expect_success 'failed clone into empty leaves directory (vanilla)' '
mkdir -p empty &&
corrupt_repo &&
test_must_fail git clone foo empty &&
test_dir_is_empty empty
'
test_expect_success 'failed clone into empty leaves directory (bare)' '
mkdir -p empty &&
corrupt_repo &&
test_must_fail git clone --bare foo empty &&
test_dir_is_empty empty
'
test_expect_success 'failed clone into empty leaves directory (separate)' '
mkdir -p empty-git empty-wt &&
corrupt_repo &&
test_must_fail git clone --separate-git-dir empty-git foo empty-wt &&
test_dir_is_empty empty-git &&
test_dir_is_empty empty-wt
'
test_expect_success 'failed clone into empty leaves directory (separate, git)' '
mkdir -p empty-git &&
corrupt_repo &&
test_must_fail git clone --separate-git-dir empty-git foo no-wt &&
test_dir_is_empty empty-git &&
test_path_is_missing no-wt
'
test_expect_success 'failed clone into empty leaves directory (separate, wt)' '
mkdir -p empty-wt &&
corrupt_repo &&
test_must_fail git clone --separate-git-dir no-git foo empty-wt &&
test_path_is_missing no-git &&
test_dir_is_empty empty-wt
'
test_expect_success 'transport failure cleans up directory' '
test_must_fail git clone --no-local \
-u "f() { git-upload-pack \"\$@\"; return 1; }; f" \
foo broken-clone &&
test_path_is_missing broken-clone
'
test_done