$ git clone -n https://gitee.com/src-opencloudos-rpms/apache-commons-exec.git /var/lib/mock/dist-oc9-build-49662-14595/root/chroot_tmpdir/scmroot/apache-commons-exec
Cloning into '/var/lib/mock/dist-oc9-build-49662-14595/root/chroot_tmpdir/scmroot/apache-commons-exec'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/apache-commons-exec
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a33f461 import apache-commons-exec-1.3-2.tl4