$ git clone -n https://src.fedoraproject.org/rpms/libell.git /var/lib/mock/f40-build-2241962-53669/root/chroot_tmpdir/scmroot/libell
Cloning into '/var/lib/mock/f40-build-2241962-53669/root/chroot_tmpdir/scmroot/libell'...
$ git fetch origin 1d5853026fc9d6eee57b51207fc240dcea3940d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libell
 * [new ref]         1d5853026fc9d6eee57b51207fc240dcea3940d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d58530 change License: value in the specfile to use SPDX identifiers