$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-254632-84439/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-254632-84439/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 8d2367891ace666816cfcecdce3dbd3320e08793:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         8d2367891ace666816cfcecdce3dbd3320e08793 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d23678 import thunderbird-140.17.0-1.tl3.ap.1