$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird /var/lib/mock/dist-oc8-build-20455-5048/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-build-20455-5048/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard acbcea68fdae9c4afbbba2e6ed7f9b0cb5686d7b
HEAD is now at acbcea6 import thunderbird-91.11.0-2.oc8_6