$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird /var/lib/mock/dist-oc8-build-20456-5048/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-build-20456-5048/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard a711158beb782f7d737a222c9d4d272949ee5d1c
HEAD is now at a711158 import thunderbird-91.10.0-1.oc8