$ git clone -n https://src.fedoraproject.org/rpms/perl-List-Compare.git /var/lib/mock/f45-build-24585-604/root/chroot_tmpdir/scmroot/perl-List-Compare
Cloning into '/var/lib/mock/f45-build-24585-604/root/chroot_tmpdir/scmroot/perl-List-Compare'...
$ git fetch origin 3201514744454a78d63a36c28ddc935222b9a7f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-List-Compare
 * [new ref]         3201514744454a78d63a36c28ddc935222b9a7f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3201514 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild