$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-build-33097-9956/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-build-33097-9956/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard 8a0002063cf236979420676619417b4fae82ad57
HEAD is now at 8a00020 Add OpenCloudOS Linux default preferences and debranding patches