git/t/t6415-merge-dir-to-symlink.sh
Ævar Arnfjörð Bjarmason e5e37517dd tests: mark tests as passing with SANITIZE=leak
This marks tests that have been leak-free since various recent
commits, but which were not marked us such when the memory leak was
fixed. These were mostly discovered with the "check" mode added in
faececa53f (test-lib: have the "check" mode for SANITIZE=leak
consider leak logs, 2022-07-28).

Commits that fixed the last memory leak in these tests. Per narrowing
down when they started to pass under SANITIZE=leak with "bisect":

- t1022-read-tree-partial-clone.sh:
  7e2619d8ff (list_objects_filter_options: plug leak of filter_spec
  strings, 2022-09-08)

- t4053-diff-no-index.sh: 07a6f94a6d (diff-no-index: release prefixed
  filenames, 2022-09-07)

- t6415-merge-dir-to-symlink.sh: bac92b1f39 (Merge branch
  'js/ort-clean-up-after-failed-merge', 2022-08-08).

- t5554-noop-fetch-negotiator.sh:
  66eede4a37 (prepare_repo_settings(): plug leak of config values,
  2022-09-08)

- t2012-checkout-last.sh, t7504-commit-msg-hook.sh,
  t91{15,46,60}-git-svn-*.sh: The in-flight "pw/rebase-no-reflog-action"
  series, upon which this is based:
  https://lore.kernel.org/git/pull.1405.git.1667575142.gitgitgadget@gmail.com/

Let's mark all of these as passing with
"TEST_PASSES_SANITIZE_LEAK=true", to have it regression tested,
including as part of the "linux-leaks" CI job.

Additionally, let's remove the "!SANITIZE_LEAK" prerequisite from
tests that now pass, these were marked as failing in:

- 77e56d55ba (diff.c: fix a double-free regression in a18d66cefb,
  2022-03-17)
- c4d1d52631 (tests: change some 'test $(git) = "x"' to test_cmp,
  2022-03-07)

These were not spotted with the new "check" mode, but manually, it
doesn't cover these sort of prerequisites. There's few enough that we
shouldn't bother to automate it. They'll be going away sooner than
later.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-11-21 12:32:48 +09:00

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#!/bin/sh
test_description='merging when a directory was replaced with a symlink'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'create a commit where dir a/b changed to symlink' '
mkdir -p a/b/c a/b-2/c &&
> a/b/c/d &&
> a/b-2/c/d &&
> a/x &&
git add -A &&
git commit -m base &&
git tag start &&
rm -rf a/b &&
git add -A &&
test_ln_s_add b-2 a/b &&
git commit -m "dir to symlink"
'
test_expect_success 'checkout does not clobber untracked symlink' '
git checkout HEAD^0 &&
git reset --hard main &&
git rm --cached a/b &&
git commit -m "untracked symlink remains" &&
test_must_fail git checkout start^0 &&
git clean -fd # Do not leave the untracked symlink in the way
'
test_expect_success 'a/b-2/c/d is kept when clobbering symlink b' '
git checkout HEAD^0 &&
git reset --hard main &&
git rm --cached a/b &&
git commit -m "untracked symlink remains" &&
git checkout -f start^0 &&
test_path_is_file a/b-2/c/d &&
git clean -fd # Do not leave the untracked symlink in the way
'
test_expect_success 'checkout should not have deleted a/b-2/c/d' '
git checkout HEAD^0 &&
git reset --hard main &&
git checkout start^0 &&
test_path_is_file a/b-2/c/d
'
test_expect_success 'setup for merge test' '
git reset --hard &&
test_path_is_file a/b-2/c/d &&
echo x > a/x &&
git add a/x &&
git commit -m x &&
git tag baseline
'
test_expect_success 'Handle D/F conflict, do not lose a/b-2/c/d in merge (resolve)' '
git reset --hard &&
git checkout baseline^0 &&
git merge -s resolve main &&
test_path_is_file a/b-2/c/d
'
test_expect_success SYMLINKS 'a/b was resolved as symlink' '
test -h a/b
'
test_expect_success 'Handle D/F conflict, do not lose a/b-2/c/d in merge (recursive)' '
git reset --hard &&
git checkout baseline^0 &&
git merge -s recursive main &&
test_path_is_file a/b-2/c/d
'
test_expect_success SYMLINKS 'a/b was resolved as symlink' '
test -h a/b
'
test_expect_success 'Handle F/D conflict, do not lose a/b-2/c/d in merge (resolve)' '
git reset --hard &&
git checkout main^0 &&
git merge -s resolve baseline^0 &&
test_path_is_file a/b-2/c/d
'
test_expect_success SYMLINKS 'a/b was resolved as symlink' '
test -h a/b
'
test_expect_success 'Handle F/D conflict, do not lose a/b-2/c/d in merge (recursive)' '
git reset --hard &&
git checkout main^0 &&
git merge -s recursive baseline^0 &&
test_path_is_file a/b-2/c/d
'
test_expect_success SYMLINKS 'a/b was resolved as symlink' '
test -h a/b
'
test_expect_failure 'do not lose untracked in merge (resolve)' '
git reset --hard &&
git checkout baseline^0 &&
>a/b/c/e &&
test_must_fail git merge -s resolve main &&
test_path_is_file a/b/c/e &&
test_path_is_file a/b-2/c/d
'
test_expect_success 'do not lose untracked in merge (recursive)' '
git reset --hard &&
git checkout baseline^0 &&
>a/b/c/e &&
test_must_fail git merge -s recursive main &&
test_path_is_file a/b/c/e &&
test_path_is_file a/b-2/c/d
'
test_expect_success 'do not lose modifications in merge (resolve)' '
git reset --hard &&
git checkout baseline^0 &&
echo more content >>a/b/c/d &&
test_must_fail git merge -s resolve main
'
test_expect_success 'do not lose modifications in merge (recursive)' '
git reset --hard &&
git checkout baseline^0 &&
echo more content >>a/b/c/d &&
test_must_fail git merge -s recursive main
'
test_expect_success 'setup a merge where dir a/b-2 changed to symlink' '
git reset --hard &&
git checkout start^0 &&
rm -rf a/b-2 &&
git add -A &&
test_ln_s_add b a/b-2 &&
git commit -m "dir a/b-2 to symlink" &&
git tag test2
'
test_expect_success 'merge should not have D/F conflicts (resolve)' '
git reset --hard &&
git checkout baseline^0 &&
git merge -s resolve test2 &&
test_path_is_file a/b/c/d
'
test_expect_success SYMLINKS 'a/b-2 was resolved as symlink' '
test -h a/b-2
'
test_expect_success 'merge should not have D/F conflicts (recursive)' '
git reset --hard &&
git checkout baseline^0 &&
git merge -s recursive test2 &&
test_path_is_file a/b/c/d
'
test_expect_success SYMLINKS 'a/b-2 was resolved as symlink' '
test -h a/b-2
'
test_expect_success 'merge should not have F/D conflicts (recursive)' '
git reset --hard &&
git checkout -b foo test2 &&
git merge -s recursive baseline^0 &&
test_path_is_file a/b/c/d
'
test_expect_success SYMLINKS 'a/b-2 was resolved as symlink' '
test -h a/b-2
'
test_done