$ git clone -n https://gitee.com/src-opencloudos-rpms/rust-zram-generator.git /var/lib/mock/dist-oc9-build-44986-14591/root/chroot_tmpdir/scmroot/rust-zram-generator
Cloning into '/var/lib/mock/dist-oc9-build-44986-14591/root/chroot_tmpdir/scmroot/rust-zram-generator'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rust-zram-generator
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f3fcb1 import rust-zram-generator-1.1.2-7.tl4