$ git clone -n https://gitee.com/opencloudos-stream/rust-dirs-sys-next.git /var/lib/mock/dist-oc9-epol-build-87330-57971/root/chroot_tmpdir/scmroot/rust-dirs-sys-next
Cloning into '/var/lib/mock/dist-oc9-epol-build-87330-57971/root/chroot_tmpdir/scmroot/rust-dirs-sys-next'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-dirs-sys-next
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ce7ed update