$ git clone -n https://gitee.com/src-opencloudos-rpms/libgudev.git /var/lib/mock/dist-oc9-build-48882-14595/root/chroot_tmpdir/scmroot/libgudev
Cloning into '/var/lib/mock/dist-oc9-build-48882-14595/root/chroot_tmpdir/scmroot/libgudev'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libgudev
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 111f3a3 import libgudev-237-3.tl4