$ git clone -n https://gitee.com/opencloudos-stream/thunderbird /var/lib/mock/dist-oc9-donghua-build-123310-72834/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc9-donghua-build-123310-72834/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/thunderbird
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fa1e10 !19 Update to 128.5.0 Merge pull request !19 from jiaxinyyang/master