$ git clone -n https://gitee.com/src-opencloudos-rpms/strace.git /var/lib/mock/dist-oc9-build-72076-47636/root/chroot_tmpdir/scmroot/strace
Cloning into '/var/lib/mock/dist-oc9-build-72076-47636/root/chroot_tmpdir/scmroot/strace'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/strace
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91a7ecd import strace-6.6-1.tl4