$ git clone -n https://src.fedoraproject.org/rpms/perl-Ref-Util-XS.git /var/lib/mock/f33-build-285030-53035/root/chroot_tmpdir/scmroot/perl-Ref-Util-XS
Cloning into '/var/lib/mock/f33-build-285030-53035/root/chroot_tmpdir/scmroot/perl-Ref-Util-XS'...
$ git reset --hard b0870a1b6d067f95c61be10486952f72d265c03d
HEAD is now at b0870a1 Perl 5.32 rebuild