$ git clone -n https://gitee.com/opencloudos-stream/rust-sval_fmt.git /var/lib/mock/dist-oc9-epol-build-99068-60376/root/chroot_tmpdir/scmroot/rust-sval_fmt
Cloning into '/var/lib/mock/dist-oc9-epol-build-99068-60376/root/chroot_tmpdir/scmroot/rust-sval_fmt'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-sval_fmt
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc55efb update