$ git clone -n https://gitee.com/src-opencloudos-rpms/mozjs.git /var/lib/mock/dist-oc9-build-180894-80139/root/chroot_tmpdir/scmroot/mozjs
Cloning into '/var/lib/mock/dist-oc9-build-180894-80139/root/chroot_tmpdir/scmroot/mozjs'...
$ git fetch origin c4da1933d10c2b01726343f703d7fa3052ca38d9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mozjs
 * [new ref]         c4da1933d10c2b01726343f703d7fa3052ca38d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4da193 import mozjs-128.13.0-1.tl4