$ git clone -n https://src.fedoraproject.org/rpms/vkeybd.git /var/lib/mock/f41-build-734071-13206/root/chroot_tmpdir/scmroot/vkeybd
Cloning into '/var/lib/mock/f41-build-734071-13206/root/chroot_tmpdir/scmroot/vkeybd'...
$ git fetch origin c31ae1a8670a4cf621ca0c1b59cd5a62bb8e0c40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vkeybd
 * [new ref]         c31ae1a8670a4cf621ca0c1b59cd5a62bb8e0c40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c31ae1a Eliminate use of obsolete %patchN syntax (#2283636)