$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-138419-79703/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-138419-79703/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 83bc2fed05a7931ee84b0302a51aad39f3e20d07:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         83bc2fed05a7931ee84b0302a51aad39f3e20d07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83bc2fe import thunderbird-128.11.0-1.tl3.ap.1