$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-73346-48838/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-73346-48838/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin c59eb19aa0eaaf8a474a4e115b255650edf6e753:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         c59eb19aa0eaaf8a474a4e115b255650edf6e753 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c59eb19 Add auto-patch changlog