Add compatibility for Redmine v4.1

Fixes paginagmbh#22

README.md

@@ -33,11 +33,15 @@ Installation
 
         $ rake emoji
 
- 4.  Run the plugin rake task to provide the assets (from the Redmine root directory):
+ 4. If your Redmine version 4.1, run the following rake install. Otherwise, skip to step 5.
+
+        $ rake emojibutton:install
+
+ 5.  Run the plugin rake task to provide the assets (from the Redmine root directory):
 
         $ rake redmine:plugins:migrate RAILS_ENV=production
 
- 5. Restart redmine
+ 6. Restart redmine
 
 
 Usage

init.rb

@@ -2,6 +2,11 @@
 require 'emojibutton_formatter_textile_patch'
 require 'emojibutton_formatter_markdown_patch'
 require 'emojibutton_helper_patch'
+require 'sprockets/railtie' unless defined?(Sprockets)
+
+unless File.exist?(Rails.root.join('app', 'assets', 'config', 'manifest.js'))
+  `mkdir -p app/assets/config && echo '{}' > app/assets/config/manifest.js`
+end
 
 Redmine::Plugin.register :redmine_emojibutton do
   name 'Redmine Emoji Button'

lib/tasks/install.rake

@@ -0,0 +1,15 @@
+desc 'Add requirements for Redmine v4.1+'
+namespace :emojibutton do
+  task :install do
+
+    # Uncomment the sprockets railtie requirement
+    path = "#{Rake.original_dir}/config/application.rb"
+    IO.write(path, File.open(path) { |f| f.read.gsub(/^# require 'sprockets\/railtie'$/, "require 'sprockets/railtie'") })
+
+    # Add a blank manifest file for sprockets
+    unless File.exist?(Rails.root.join('app', 'assets', 'config', 'manifest.js'))
+      `mkdir -p app/assets/config && echo '{}' > app/assets/config/manifest.js`
+    end
+
+  end
+end