$ git clone -n https://gitee.com/src-anolis-os/m4 /var/lib/mock/dist-an8.7-build-138251-51644/root/chroot_tmpdir/scmroot/m4
Cloning into '/var/lib/mock/dist-an8.7-build-138251-51644/root/chroot_tmpdir/scmroot/m4'...
$ git reset --hard origin/a8
HEAD is now at 3d5a6d6 spec: add doc sub package