$ git clone -n https://src.fedoraproject.org/rpms/sway.git /var/lib/mock/f40-build-796305-140594/root/chroot_tmpdir/scmroot/sway
Cloning into '/var/lib/mock/f40-build-796305-140594/root/chroot_tmpdir/scmroot/sway'...
$ git fetch origin e57e6c3b03d80da0e532988fcf5e92915c6aff3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sway
 * [new ref]         e57e6c3b03d80da0e532988fcf5e92915c6aff3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e57e6c3 Update to 1.9