$ git clone -n https://gitee.com/gaohongmei/libunwind.git /var/lib/mock/dist-an8.6-build-193538-60809/root/chroot_tmpdir/scmroot/libunwind
Cloning into '/var/lib/mock/dist-an8.6-build-193538-60809/root/chroot_tmpdir/scmroot/libunwind'...
$ git reset --hard 07c55dd7b4dde9e2dda333821c4e92310be3cfe2
HEAD is now at 07c55dd add doc package