$ git clone -n https://gitee.com/src-opencloudos-rpms/libexttextcat.git /var/lib/mock/dist-oc9-build-46740-14592/root/chroot_tmpdir/scmroot/libexttextcat
Cloning into '/var/lib/mock/dist-oc9-build-46740-14592/root/chroot_tmpdir/scmroot/libexttextcat'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libexttextcat
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96d68ad import libexttextcat-3.4.6-5.tl4