$ git clone -n https://gitee.com/src-anolis-os/firefox.git /var/lib/mock/dist-an8_2-build-60641-33684/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-an8_2-build-60641-33684/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard origin/a8.2
HEAD is now at 6c47f85 !5 firefox  8_2  cherry-pick  rebrand Merge pull request !5 from a8.2