+ if !File.exist?(homedir)
+ STDERR.puts "Cannot set up user #{username} because their home directory #{homedir} does not exist. Skipping."
+ next
+ end
+
+ existing_groups = current_user_groups[username] || []
+ groups = l[:groups] || []
+ # Adding users to the FUSE group has long been hardcoded behavior.
+ groups << "fuse"
+ groups << username
+ groups.select! { |g| Etc.getgrnam(g) rescue false }
+
+ groups.each do |addgroup|
+ if existing_groups.index(addgroup).nil?
+ # User should be in group, but isn't, so add them.
+ STDERR.puts "Add user #{username} to #{addgroup} group"
+ out, st = Open3.capture2e("usermod", "-aG", addgroup, username)
+ if st.exitstatus != 0
+ STDERR.puts "Failed to add #{username} to #{addgroup} group:\n#{out}"
+ end
+ end
+ end
+
+ existing_groups.each do |removegroup|
+ if groups.index(removegroup).nil?
+ # User is in a group, but shouldn't be, so remove them.
+ STDERR.puts "Remove user #{username} from #{removegroup} group"
+ out, st = Open3.capture2e("gpasswd", "-d", username, removegroup)
+ if st.exitstatus != 0
+ STDERR.puts "Failed to remove user #{username} from #{removegroup} group:\n#{out}"
+ end
+ end
+ end
+