From: Johannes Schindelin via GitGitGadget Date: Tue, 16 Dec 2025 11:46:16 GMT Subject: [PATCH v3 09/10] t6423: introduce Windows-specific handling for symlinking to /dev/null Message-ID: <4ab6aaf2cf20d2508ae5a816ec7932c8e9c4e639.1765885577.git.gitgitgadget@gmail.com> In-Reply-To: From: Johannes Schindelin The device `/dev/null` does not exist on Windows, it's called `NUL` there. Calling `ln -s /dev/null my-symlink` in a symlink-enabled MSYS2 Bash will therefore literally link to a file or directory called `null` that is supposed to be in the current drive's top-level `dev` directory. Which typically does not exist. The test, however, really wants the created symbolic link to point to the NUL device. Let's instead use the `mklink` utility on Windows to perform that job, and keep using `ln -s /dev/null ` on non-Windows platforms. While at it, add the missing `SYMLINKS` prereq because this test _still_ would not pass on Windows before support for symbolic links is upstreamed from Git for Windows. Signed-off-by: Johannes Schindelin --- t/t6423-merge-rename-directories.sh | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/t/t6423-merge-rename-directories.sh b/t/t6423-merge-rename-directories.sh index 533ac85dc8..53535a8ebf 100755 --- a/t/t6423-merge-rename-directories.sh +++ b/t/t6423-merge-rename-directories.sh @@ -5158,13 +5158,18 @@ test_setup_12m () { git switch B && git rm dir/subdir/file && mkdir dir && - ln -s /dev/null dir/subdir && + if test_have_prereq MINGW + then + cmd //c 'mklink dir\subdir NUL' + else + ln -s /dev/null dir/subdir + fi && git add . && git commit -m "B" ) } -test_expect_success '12m: Change parent of renamed-dir to symlink on other side' ' +test_expect_success SYMLINKS '12m: Change parent of renamed-dir to symlink on other side' ' test_setup_12m && ( cd 12m && -- gitgitgadget