[BUG] range expressions in GIT_SKIP_TESTS are broken in master (was [BUG] question mark in GIT_SKIP_TESTS is broken in master)

[Andrei Rybak <rybak.a.v@gmail.com>]

On 15/06/2021 22:55, Andrei Rybak wrote:
> Hi,
> 
> I've taken an example of how to use GIT_SKIP_TESTS directly from
> t/README:
> 
>      $ GIT_SKIP_TESTS='t[0-4]??? t91?? t9200.8' make
> 
> and noticed that t0000 is still being run.  I've written a script to
> bisect the issue:
> 
> 
>      #/bin/sh
> 
>      (
>              cd t
>              GIT_SKIP_TESTS='t[0-4]??? t91?? t9200.8' make | \
>                      head | grep 'SKIP skip all tests in t0000'
>      )
> 
> 
> and it bisected to edc23840b0 (test-lib: bring $remove_trash out of
> retirement, 2021-05-10) which was merged to master in 2019256717 ("Merge
> branch 'ab/test-lib-updates'", 2021-06-14).
> 
> Note, that spelling out the tests number in full works, i.e.
> 
>      $ GIT_SKIP_TESTS=t0000 make
> 
> won't run t0000.

I sent this originally with incorrect subject. Question marks, e.g.

     $ GIT_SKIP_TESTS='t000?' make

work.  It is the range expressions, like [0-9] that are broken:

     $ GIT_SKIP_TESTS='t[0-9]000' make