$ git clone -n https://gitee.com/src-anolis-os/thunderbird.git /var/lib/mock/dist-an8_2-build-60662-33684/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-an8_2-build-60662-33684/root/chroot_tmpdir/scmroot/thunderbird'...
$ git reset --hard origin/a8.2
HEAD is now at b77209a spec : remove system-bookmarks