$ git clone -n https://gitee.com/src-opencloudos-rpms/libexttextcat.git /var/lib/mock/dist-oc9-build-61514-16463/root/chroot_tmpdir/scmroot/libexttextcat
Cloning into '/var/lib/mock/dist-oc9-build-61514-16463/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 c28fb63 import libexttextcat-3.4.6-6.tl4