$ git clone -n https://gitee.com/opencloudos-stream/rust-peg0.5.git /var/lib/mock/dist-oc9-epol-build-88518-58214/root/chroot_tmpdir/scmroot/rust-peg0.5
Cloning into '/var/lib/mock/dist-oc9-epol-build-88518-58214/root/chroot_tmpdir/scmroot/rust-peg0.5'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-peg0.5
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5ba999 update