$ git clone -n https://gitee.com/src-opencloudos-rpms/mozilla-filesystem.git /var/lib/mock/dist-oc9-build-70834-47477/root/chroot_tmpdir/scmroot/mozilla-filesystem
Cloning into '/var/lib/mock/dist-oc9-build-70834-47477/root/chroot_tmpdir/scmroot/mozilla-filesystem'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mozilla-filesystem
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8352b2 import mozilla-filesystem-1.9-4.tl4