On Mon, Sep 28, 2026 at 06:27:42PM +0100, Pedro Falcato wrote: > On Sat, Sep 26, 2026 at 10:08:17AM +0900, Hajime Tazaki wrote: > > The kselftest runner currently uses `cd -` to restore its working > > directory after running a test. > > > > This is not supported by the minimal BusyBox hush shell used by some > > NOMMU targets. Store the original directory explicitly and restore it > > with a quoted path instead. > > > > This also avoids printing the directory change performed by `cd -` and > > handles paths containing whitespace correctly. > > > > Cc: Shuah Khan <[email protected]> > > Cc: Kees Cook <[email protected]> > > Cc: Andy Lutomirski <[email protected]> > > Cc: Will Drewry <[email protected]> > > Cc: Mark Brown <[email protected]> > > Cc: Brendan Jackman <[email protected]> > > Cc: Hangbin Liu <[email protected]> > > Cc: "Ricardo B. Marliere" <[email protected]> > > Cc: [email protected] > > Cc: [email protected] > > Cc: [email protected] > > Signed-off-by: Hajime Tazaki <[email protected]> > > NACK. > > https://pubs.opengroup.org/onlinepubs/009695099/utilities/cd.html > > - > When a hyphen is used as the operand, this shall be equivalent to the command: > cd "$OLDPWD" && pwd > > which changes to the previous working directory and then writes its name. > > > If you're running selftests on !POSIX compliant shells, that's a > you-issue. Fix the shell, or use something decent.
... I realize I was a bit too aggressive but seriously, lets not support broken software, please? -- Pedro
