$ git clone -n https://gitee.com/src-opencloudos-rpms/mythes.git /var/lib/mock/dist-oc9-build-70862-47480/root/chroot_tmpdir/scmroot/mythes
Cloning into '/var/lib/mock/dist-oc9-build-70862-47480/root/chroot_tmpdir/scmroot/mythes'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mythes
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b15681 import mythes-1.2.5-4.tl4