$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-AIO.git /var/lib/mock/f31-build-46132-26493/root/thebuilddir/tmp/scmroot/perl-IO-AIO
Cloning into '/var/lib/mock/f31-build-46132-26493/root/thebuilddir/tmp/scmroot/perl-IO-AIO'...
$ git reset --hard f64f8151164a2fb51797941f6242ff023dcc28d4
HEAD is now at f64f815 Perl 5.30 rebuild