$ git clone -n https://gitee.com/src-opencloudos-rpms/valgrind.git /var/lib/mock/dist-oc9-build-63787-16463/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/dist-oc9-build-63787-16463/root/chroot_tmpdir/scmroot/valgrind'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/valgrind
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9018fc6 import valgrind-3.21.0-2.tl4