$ git clone -n https://src.fedoraproject.org/rpms/perl-X11-GUITest.git /var/lib/mock/f31-build-44509-26235/root/thebuilddir/tmp/scmroot/perl-X11-GUITest
Cloning into '/var/lib/mock/f31-build-44509-26235/root/thebuilddir/tmp/scmroot/perl-X11-GUITest'...
$ git reset --hard 3945f7e57a8e9b49b65bcef5590a644fde3ae8ca
HEAD is now at 3945f7e Perl 5.30 rebuild