$ git clone -n https://src.fedoraproject.org/rpms/newsboat.git /var/lib/mock/f40-build-2105049-50574/root/chroot_tmpdir/scmroot/newsboat
Cloning into '/var/lib/mock/f40-build-2105049-50574/root/chroot_tmpdir/scmroot/newsboat'...
$ git fetch origin 3daa0c7403395a2b6ebcf34681e6e23902331e27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/newsboat
 * [new ref]         3daa0c7403395a2b6ebcf34681e6e23902331e27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3daa0c7 Update to version 2.33