$ git clone -n https://src.fedoraproject.org/rpms/kwin-x11.git /var/lib/mock/f41-build-858129-168313/root/chroot_tmpdir/scmroot/kwin-x11
Cloning into '/var/lib/mock/f41-build-858129-168313/root/chroot_tmpdir/scmroot/kwin-x11'...
$ git fetch origin f3ddc1f1c976c65f68538fa150888dd006e3d426:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin-x11
 * [new ref]         f3ddc1f1c976c65f68538fa150888dd006e3d426 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3ddc1f Update to 6.2.1.1.