$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-118545-69438/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-118545-69438/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 481dbd1e8f6cec2a047d33f7d8cde608bd6f776b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         481dbd1e8f6cec2a047d33f7d8cde608bd6f776b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 481dbd1 import thunderbird-128.3.1-1.tl3.ap.1