$ git clone -n https://gitee.com/src-opencloudos-rpms/libjcat.git /var/lib/mock/dist-oc9-build-70377-47426/root/chroot_tmpdir/scmroot/libjcat
Cloning into '/var/lib/mock/dist-oc9-build-70377-47426/root/chroot_tmpdir/scmroot/libjcat'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libjcat
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39d5ee9 import libjcat-0.1.12-5.tl4