$ git clone -n https://src.fedoraproject.org/rpms/gwe.git /var/lib/mock/f40-build-2236788-53519/root/chroot_tmpdir/scmroot/gwe
Cloning into '/var/lib/mock/f40-build-2236788-53519/root/chroot_tmpdir/scmroot/gwe'...
$ git fetch origin 14c5654205bdf843200426bbfdafbe3b8995d745:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gwe
 * [new ref]         14c5654205bdf843200426bbfdafbe3b8995d745 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14c5654 build: Try to lower upstream req ver for modules