$ git clone -n https://src.fedoraproject.org/rpms/mingw-dlfcn.git /var/lib/mock/f45-build-18414-515/root/chroot_tmpdir/scmroot/mingw-dlfcn
Cloning into '/var/lib/mock/f45-build-18414-515/root/chroot_tmpdir/scmroot/mingw-dlfcn'...
$ git fetch origin ae44505db60c522ae083821146227aae33f47f17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-dlfcn
 * [new ref]         ae44505db60c522ae083821146227aae33f47f17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae44505 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild