Add install task

Author: excid3

README.md

@@ -196,7 +196,7 @@ end
 
 1. Add the `kredis` gem to your Gemfile: `gem 'kredis'`
 2. Run `./bin/bundle install`
-3. Add a default configuration under `config/redis/shared.yml`
+3. Run `./bin/rails kredis:install` to add a default configuration under `config/redis/shared.yml`
 
 A default configuration can look like this for `config/redis/shared.yml`:
 

lib/install/install.rb

@@ -0,0 +1,6 @@
+yaml_path = Rails.root.join("config/redis/shared.yml")
+unless yaml_path.exist?
+  say "Adding `config/redis/shared.yml`"
+  empty_directory yaml_path.parent.to_s
+  copy_file "#{__dir__}/shared.yml", yaml_path
+end

lib/install/shared.yml

@@ -0,0 +1,12 @@
+production: &production
+  host: <%= ENV.fetch("REDIS_SHARED_HOST", "127.0.0.1") %>
+  port: <%= ENV.fetch("REDIS_SHARED_PORT", "6379") %>
+  timeout: 1
+
+development: &development
+  host: <%= ENV.fetch("REDIS_SHARED_HOST", "127.0.0.1") %>
+  port: <%= ENV.fetch("REDIS_SHARED_PORT", "6379") %>
+  timeout: 1
+
+test:
+  <<: *development

lib/kredis/railtie.rb

@@ -30,4 +30,9 @@ class Kredis::Railtie < ::Rails::Railtie
       include Kredis::Attributes
     end
   end
+
+  rake_tasks do
+    path = File.expand_path("..", __dir__)
+    Dir.glob("#{path}/tasks/**/*.rake").each { |f| load f }
+  end
 end

lib/tasks/kredis/install.rake

@@ -0,0 +1,6 @@
+namespace :kredis do
+  desc "Install kredis"
+  task :install do
+    system "#{RbConfig.ruby} ./bin/rails app:template LOCATION=#{File.expand_path("../../install/install.rb",  __dir__)}"
+  end
+end