Add rake task for making someone into an admin

docs/Running-Mastodon/Administration-guide.md

@@ -1,8 +1,16 @@
 Administration guide
-=================
+====================
 
 So, you have a working Mastodon instance... now what?
 
+## Turning into an admin
+
+The following rake task:
+
+    rails mastodon:make_admin USERNAME=alice
+
+Would turn the local user "alice" into an admin.
+
 ## Administration web interface
 
 A user that is designated as `admin = TRUE` in the database is able to access a suite of administration tools:
@@ -20,6 +28,7 @@ Your site settings are stored in the `settings` database table, and editable thr
 
 You are able to set the following settings:
 
+- Site title
 - Contact username
 - Contact email
 - Site description

lib/tasks/mastodon.rake

@@ -1,6 +1,15 @@
 # frozen_string_literal: true
 
 namespace :mastodon do
+  task make_admin: :environment do
+    include RoutingHelper
+
+    user = Account.find_local(ENV.fetch('USERNAME')).user
+    user.update(admin: true)
+
+    puts "Congrats! #{user.account.username} is now an admin. \\o/\nNavigate to #{admin_settings_url} to get started"
+  end
+
   namespace :media do
     desc 'Removes media attachments that have not been assigned to any status for longer than a day'
     task clear: :environment do