From: Junio C Hamano <gitster@pobox.com>
Date: Sat, 08 May 2021 10:19:18 GMT
Subject: Re: [PATCH v2 1/8] t7300: add testcase showing unnecessary traversal into ignored directory
Message-ID: <xmqq8s4pv87t.fsf@gitster.g>
In-Reply-To: <a3bd253fa8e8ae47d19beb35327d8283ffa49289.1620432500.git.gitgitgadget@gmail.com>

"Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com> writes:

> +		# alpine-linux-musl fails to "rm -rf" a directory with such
> +		# a deeply nested hierarchy.  Help it out by deleting the
> +		# leading directories ourselves.  Super slow, but, what else
> +		# can we do?  Without this, we will hit a
> +		#     error: Tests passed but test cleanup failed; aborting
> +		# so do this ugly manual cleanup...
> +		while test ! -f directory-random-file.txt; do
> +			name=$(ls -d directory*) &&
> +			mv $name/* . &&
> +			rmdir $name
> +		done

Another thing: this not being a test_when_finished handler means it
would not help after a test failure.

Perhaps wrap it in a helper

    clean_deep_hierarchy () {
	rm -fr directory* ||
	while test ! -f directory-random-file.txt
	do
		...
	done
    }

and call it from test_when_finished?