$ git clone -n https://src.fedoraproject.org/rpms/perl-Ref-Util-XS.git /var/lib/mock/f33-build-298435-56156/root/chroot_tmpdir/scmroot/perl-Ref-Util-XS
Cloning into '/var/lib/mock/f33-build-298435-56156/root/chroot_tmpdir/scmroot/perl-Ref-Util-XS'...
$ git reset --hard bf6c47ee66a5ef060842ca8230a5eab07f38c585
HEAD is now at bf6c47e - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild