$ git clone -n https://src.fedoraproject.org/rpms/perl-UNIVERSAL-isa.git /var/lib/mock/f45-build-27258-622/root/chroot_tmpdir/scmroot/perl-UNIVERSAL-isa
Cloning into '/var/lib/mock/f45-build-27258-622/root/chroot_tmpdir/scmroot/perl-UNIVERSAL-isa'...
$ git fetch origin d1465fcb6a6cc370e3e508eba0eff55fc6df5134:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-UNIVERSAL-isa
 * [new ref]         d1465fcb6a6cc370e3e508eba0eff55fc6df5134 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1465fc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild