$ git clone -n https://gitee.com/src-opencloudos-rpms/fedmsg.git /var/lib/mock/dist-oc9-epol-build-54897-14778/root/chroot_tmpdir/scmroot/fedmsg
Cloning into '/var/lib/mock/dist-oc9-epol-build-54897-14778/root/chroot_tmpdir/scmroot/fedmsg'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/fedmsg
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38e270d import fedmsg-1.1.7-1.tl4