From 700381cb2ff36694f39e6a982c92f30f53255609 Mon Sep 17 00:00:00 2001
From: John <jr180180@gmail.com>
Date: Sat, 1 Feb 2020 00:12:33 -0700
Subject: [PATCH] Add compatibility for Redmine v4.1

Fixes #22
---
 README.md              |  8 ++++++--
 init.rb                |  5 +++++
 lib/tasks/install.rake | 15 +++++++++++++++
 3 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 lib/tasks/install.rake

diff --git a/README.md b/README.md
index 9f4610e..49b8cac 100644
--- a/README.md
+++ b/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
diff --git a/init.rb b/init.rb
index 9138dff..8e0a0e6 100644
--- a/init.rb
+++ b/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'
diff --git a/lib/tasks/install.rake b/lib/tasks/install.rake
new file mode 100644
index 0000000..16725b0
--- /dev/null
+++ b/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