$ git clone -n https://gitee.com/opencloudos-stream/mozjs102.git /var/lib/mock/dist-ocs23-build-7701-37/root/chroot_tmpdir/scmroot/mozjs102
Cloning into '/var/lib/mock/dist-ocs23-build-7701-37/root/chroot_tmpdir/scmroot/mozjs102'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mozjs102
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd467be update