$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-246151-83440/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-246151-83440/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin bb05a0a543eca0c0d68357212952c6d67fba0101:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         bb05a0a543eca0c0d68357212952c6d67fba0101 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb05a0a import thunderbird-140.13.0-1.tl3.ap.1