$ git clone -n https://src.fedoraproject.org/rpms/rmlint.git /var/lib/mock/f45-build-34561-688/root/chroot_tmpdir/scmroot/rmlint
Cloning into '/var/lib/mock/f45-build-34561-688/root/chroot_tmpdir/scmroot/rmlint'...
$ git fetch origin 862777dbe5411d4ae853b343a9f9601ceee53b5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rmlint
 * [new ref]         862777dbe5411d4ae853b343a9f9601ceee53b5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 862777d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild