$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-68019-46727/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-68019-46727/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin eef3659b3d57529bb4cffe684b468c4baaa0edec:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         eef3659b3d57529bb4cffe684b468c4baaa0edec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eef3659 import thunderbird-115.8.0-1.tl3.1