rm: cannot remove ‘/var/www/discourse/public/plugins/emoji’: Operation not permitted
ln: failed to create symbolic link ‘/var/www/discourse/public/plugins/emoji/public’: File exists
Cloning into '/var/www/discourse/plugins/douban-login'...
remote: Counting objects: 27, done.
remote: Total 27 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (27/27), done.
Checking connectivity... done.
warning: unable to access '/root/.config/git/attributes': Permission denied
try to install, but error shown above.