$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-235340-82126/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-235340-82126/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 656228fe79cd7bb77baf436eac8df315feedcb23:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         656228fe79cd7bb77baf436eac8df315feedcb23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 656228f import thunderbird-140.8.0-1.tl3.ap.1