$ git clone -n https://src.fedoraproject.org/rpms/perl-UNIVERSAL-can.git /var/lib/mock/f45-build-27289-622/root/chroot_tmpdir/scmroot/perl-UNIVERSAL-can
Cloning into '/var/lib/mock/f45-build-27289-622/root/chroot_tmpdir/scmroot/perl-UNIVERSAL-can'...
$ git fetch origin ffb2f5563adf600dda2adfd664dd6af4cdaa6099:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-UNIVERSAL-can
 * [new ref]         ffb2f5563adf600dda2adfd664dd6af4cdaa6099 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffb2f55 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild