$ git clone -n https://src.fedoraproject.org/rpms/plasma-browser-integration.git /var/lib/mock/f42-build-side-1-3554984-46650/root/chroot_tmpdir/scmroot/plasma-browser-integration
Cloning into '/var/lib/mock/f42-build-side-1-3554984-46650/root/chroot_tmpdir/scmroot/plasma-browser-integration'...
$ git fetch origin 929ab6c8e95b80dc241dcb4ba460e259cfa3c28c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-browser-integration
 * [new ref]         929ab6c8e95b80dc241dcb4ba460e259cfa3c28c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 929ab6c 6.4.0