Re: [PATCH 05/12] selftests/mm: fix invocation of tests that are run via shell scripts

From: Peter Xu
Date: Fri Jun 02 2023 - 11:40:09 EST


On Thu, Jun 01, 2023 at 06:33:51PM -0700, John Hubbard wrote:
> We cannot depend upon git to reliably retain the executable bit on shell
> scripts, or so I was told several years ago while working on this same
> run_vmtests.sh script. And sure enough, things such as test_hmm.sh are
> lately failing to run, due to lacking execute permissions.
>
> A nice clean way to fix this would have been to use TEST_PROGS instead
> of TEST_FILES for the .sh scripts here. That tells the selftest
> framework to run these (and emit a warning if the files are not
> executable, but still run them anyway).
>
> Unfortunately, run_vmtests.sh has its own run_test() routine, which does
> *not* do the right thing for shell scripts.
>
> Fix this by explicitly adding "bash" to each of the shell script
> invocations. Leave fixing the overall approach to another day.

Is it possible someone just doesn't have "bash" at all? I used to only use
"sh" without bash installed I think, but that was not on Linux, so I'm not
sure how much that applies..

Maybe use $(SHELL)? I saw a bunch of usage in the tree too.

--
Peter Xu