$ git clone -n https://gitee.com/src-opencloudos-rpms/maven-wagon.git /var/lib/mock/dist-oc9-build-62107-16463/root/chroot_tmpdir/scmroot/maven-wagon
Cloning into '/var/lib/mock/dist-oc9-build-62107-16463/root/chroot_tmpdir/scmroot/maven-wagon'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/maven-wagon
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8d1359 import maven-wagon-3.5.1-4.tl4