$ git clone -n https://gitee.com/fundawang/rust.git /var/lib/mock/dist-an23-build-184086-60302/root/chroot_tmpdir/scmroot/rust
Cloning into '/var/lib/mock/dist-an23-build-184086-60302/root/chroot_tmpdir/scmroot/rust'...
$ git fetch origin 3ef9f69ad17c71902d43385f9f4cea3c80834b8a:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/rust
 * [new ref]         3ef9f69ad17c71902d43385f9f4cea3c80834b8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ef9f69 build bootstrap at first