$ git clone -n https://gitee.com/src-opencloudos-rpms/guile /var/lib/mock/dist-oc9-build-67433-40772/root/chroot_tmpdir/scmroot/guile
Cloning into '/var/lib/mock/dist-oc9-build-67433-40772/root/chroot_tmpdir/scmroot/guile'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/guile
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0413382 Rebuild