$ git clone -n https://src.fedoraproject.org/rpms/gst-editing-services.git /var/lib/mock/f41-build-850550-165462/root/chroot_tmpdir/scmroot/gst-editing-services
Cloning into '/var/lib/mock/f41-build-850550-165462/root/chroot_tmpdir/scmroot/gst-editing-services'...
$ git fetch origin a1c838b1c7207a15f7cb28da30bf7464043523eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gst-editing-services
 * [new ref]         a1c838b1c7207a15f7cb28da30bf7464043523eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1c838b Patch for namespace bug