$ git clone -n https://src.fedoraproject.org/rpms/plasma-browser-integration.git /var/lib/mock/f42-bootstrap-3533984-46428/root/chroot_tmpdir/scmroot/plasma-browser-integration
Cloning into '/var/lib/mock/f42-bootstrap-3533984-46428/root/chroot_tmpdir/scmroot/plasma-browser-integration'...
$ git fetch origin d798b87ceba8e2f902f817ab7bf2c7d4e80d3813:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-browser-integration
 * [new ref]         d798b87ceba8e2f902f817ab7bf2c7d4e80d3813 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d798b87 6.3.5