$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-237365-82388/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-237365-82388/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 0c5038db0013545de43e1587744d51490ecd3c3d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         0c5038db0013545de43e1587744d51490ecd3c3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c5038d import thunderbird-140.9.0-1.tl3.ap.1