$ git clone -n https://src.fedoraproject.org/rpms/perl-Sub-HandlesVia.git /var/lib/mock/f45-build-26425-617/root/chroot_tmpdir/scmroot/perl-Sub-HandlesVia
Cloning into '/var/lib/mock/f45-build-26425-617/root/chroot_tmpdir/scmroot/perl-Sub-HandlesVia'...
$ git fetch origin 1bb36bf6db873544df8bd1f739fd89f6fa20afd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sub-HandlesVia
 * [new ref]         1bb36bf6db873544df8bd1f739fd89f6fa20afd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bb36bf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild