$ git clone -n https://gitee.com/src-opencloudos-rpms/javaewah.git /var/lib/mock/dist-oc9-build-41778-14591/root/chroot_tmpdir/scmroot/javaewah
Cloning into '/var/lib/mock/dist-oc9-build-41778-14591/root/chroot_tmpdir/scmroot/javaewah'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/javaewah
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c6d773 import javaewah-1.1.13-2.tl4