$ git clone -n https://src.fedoraproject.org/rpms/magpie.git /var/lib/mock/f45-build-17956-506/root/chroot_tmpdir/scmroot/magpie
Cloning into '/var/lib/mock/f45-build-17956-506/root/chroot_tmpdir/scmroot/magpie'...
$ git fetch origin f11f6c1d2d5a1c2ff263ded241281bd967c4e307:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magpie
 * [new ref]         f11f6c1d2d5a1c2ff263ded241281bd967c4e307 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f11f6c1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild