$ git clone -n https://src.fedoraproject.org/rpms/lterm.git /var/lib/mock/f40-build-2242369-53669/root/chroot_tmpdir/scmroot/lterm
Cloning into '/var/lib/mock/f40-build-2242369-53669/root/chroot_tmpdir/scmroot/lterm'...
$ git fetch origin f939e0ace459f7c0c45cf44cced86fa08a69a02e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lterm
 * [new ref]         f939e0ace459f7c0c45cf44cced86fa08a69a02e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f939e0a Additional C compatibility fixes