$ git clone -n https://gitee.com/src-opencloudos-rpms/maven-enforcer.git /var/lib/mock/dist-oc9-build-70758-47466/root/chroot_tmpdir/scmroot/maven-enforcer
Cloning into '/var/lib/mock/dist-oc9-build-70758-47466/root/chroot_tmpdir/scmroot/maven-enforcer'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/maven-enforcer
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03ce062 import maven-enforcer-3.0.0-5.tl4