$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-120218-71101/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-120218-71101/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin f9a67539abcc939f5329b0bad4f20ec6fde1da52:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         f9a67539abcc939f5329b0bad4f20ec6fde1da52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9a6753 import thunderbird-128.5.0-1.tl3.ap.1