Added support for config file to specify target and app and only have to

pass the chorizo command an environment. Updated readme and version.

README.md

@@ -38,6 +38,11 @@ Since 0.1.3, chorizo supports decrypting values encoded with hiera-eyaml,
 provided you have the necessary keys. It does this by searching for the
 beginning of an encrypted value in each value string.
 
+## Config
+
+Since 0.1.7, chorizo supports a config file that should be placed in
+`config/chorizo.yml`. An example of this file can be found [here](examples/chorizo.yml).
+
 ## Usage
 
 ```ruby

bin/chorizo

@@ -24,13 +24,4 @@ if opts[:target] == 'heroku' && !opts[:app]
   exit 1
 end
 
-case opts[:target]
-when 'cloud66'
-  Chorizo.new.cloud66 opts[:environment]
-when 'heroku'
-  Chorizo.new.heroku(opts[:environment], opts[:app])
-else
-  STDERR.puts "please specify a valid target".red
-  puts opts
-  exit 1
-end
+Chorizo.new.run(opts[:environment], target: opts[:target], app: opts[:app])

chorizo.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = 'chorizo'
-  s.version     = '0.1.6'
+  s.version     = '0.1.7'
   s.date        = '2018-02-16'
   s.summary     = 'Parse and set environment variables on hosting providers'
   s.description = 'Parse and set environment variables on hosting providers'

examples/chorizo.yml

@@ -0,0 +1,7 @@
+staging:
+  target: heroku
+  app: staging-app-name
+
+production:
+  target: heroku
+  app: app-name

lib/chorizo.rb

@@ -5,6 +5,7 @@ class Chorizo
 
   def initialize
     @host_names = %w(cloud66 heroku)
+    @config = YAML.load_file('./config/chorizo.yml')
   end
 
   def load_config
@@ -16,7 +17,7 @@ def load_config
     @host_names.each do |host|
       hosts[host] = hashes.delete(host) if hashes[host]
     end
-    { base: base, hosts: hosts, envs: hashes } 
+    { base: base, hosts: hosts, envs: hashes }
   end
 
   def build_output(env, host)
@@ -47,6 +48,33 @@ def build_output(env, host)
     output
   end
 
+  def run(env, target: nil, app: nil)
+    target ||= @config[env]['target']
+
+    unless target
+      STDERR.puts 'please specify a valid target'.red
+      return
+    end
+
+    case target
+    when 'cloud66'
+      cloud66(env)
+    when 'heroku'
+      if app && app != @config[env]['app']
+        STDERR.puts 'WARNING: App specified in configuration is different'.red
+      end
+
+      app ||= @config[env]['app']
+
+      unless app
+        STDERR.puts 'please specify an app for heroku'.red
+        return
+      end
+
+      heroku(env, app)
+    end
+  end
+
   def cloud66(env)
     output = build_output(env, 'cloud66')
     output.each do |k,v|