$ git clone -n https://src.fedoraproject.org/rpms/weston.git /var/lib/mock/f41-build-side-1-2892696-34597/root/chroot_tmpdir/scmroot/weston
Cloning into '/var/lib/mock/f41-build-side-1-2892696-34597/root/chroot_tmpdir/scmroot/weston'...
$ git fetch origin 4d1eb4c4ed8a5351fab5161805416fbbc6ebb30e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/weston
 * [new ref]         4d1eb4c4ed8a5351fab5161805416fbbc6ebb30e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d1eb4c Update to 14.0.0 final