lib/humidifier/cli.rb in humidifier-4.1.1 vs lib/humidifier/cli.rb in humidifier-4.2.0

@@ -2,17 +2,17 @@
 
 module Humidifier
   # A CLI for running commands to manipulate the stacks that Humidifier knows
   # about.
   class CLI < Thor
-    class_option :aws_profile, desc: 'The AWS profile to authenticate with',
-                               aliases: ['-p']
+    class_option :aws_profile, desc: "The AWS profile to authenticate with",
+                               aliases: ["-p"]
 
-    class_option :debug, desc: 'Sets up debug mode', aliases: ['-d']
+    class_option :debug, desc: "Sets up debug mode", aliases: ["-d"]
     class_around :safe_execute
 
-    desc 'change [?stack]', 'Create changesets for one or all stacks'
+    desc "change [?stack]", "Create changesets for one or all stacks"
     def change(name = nil)
       authorize
 
       stack_names_from(name).each do |stack_name|
         directory = Directory.new(stack_name)
@@ -20,14 +20,14 @@
         puts "🛠 Creating a changeset for #{directory.stack_name}"
         directory.create_change_set
       end
     end
 
-    desc 'deploy [?stack] [*parameters]', 'Update one or all stacks'
-    option :wait, desc: 'Wait for the stack to create/update',
+    desc "deploy [?stack] [*parameters]", "Update one or all stacks"
+    option :wait, desc: "Wait for the stack to create/update",
                   type: :boolean, default: false
-    option :prefix, desc: 'The prefix to use for the stack'
+    option :prefix, desc: "The prefix to use for the stack"
     def deploy(name = nil, *parameters)
       authorize
 
       stack_names_from(name).each do |stack_name|
         directory = Directory.new(stack_name, prefix: options[:prefix])
@@ -35,34 +35,34 @@
         puts "🚀 Deploying #{directory.stack_name}"
         directory.deploy(options[:wait], parameters_from(parameters))
       end
     end
 
-    desc 'display [stack] [?pattern]',
-         'Display the CloudFormation JSON for a given stack'
+    desc "display [stack] [?pattern]",
+         "Display the CloudFormation JSON for a given stack"
     def display(name, pattern = nil)
       directory = Directory.new(name, pattern: pattern && /#{pattern}/i)
 
       puts "📄 Displaying #{directory.stack_name}"
       puts directory.to_cf
     end
 
-    desc 'stacks', 'List the stacks known to Humidifier'
+    desc "stacks", "List the stacks known to Humidifier"
     def stacks
-      puts '🗒 Listing stacks'
+      puts "🗒 Listing stacks"
       puts Humidifier.config.stack_names.sort.map { |name| "- #{name}" }
     end
 
-    desc 'upgrade', 'Download the latest CloudFormation resource specification'
+    desc "upgrade", "Download the latest CloudFormation resource specification"
     def upgrade
-      print '💾 Downloading...'
+      print "💾 Downloading..."
 
       version = Upgrade.perform
       puts " upgraded to v#{version}"
     end
 
-    desc 'upload [?stack]', 'Upload one or all stacks to S3'
+    desc "upload [?stack]", "Upload one or all stacks to S3"
     def upload(name = nil)
       authorize
 
       stack_names_from(name).each do |stack_name|
         directory = Directory.new(stack_name)
@@ -70,43 +70,51 @@
         puts "📬 Uploading #{directory.stack_name}"
         directory.upload
       end
     end
 
-    desc 'validate [?stack]',
-         'Validate that one or all stacks are valid with CloudFormation'
+    desc "validate [?stack]",
+         "Validate that one or all stacks are valid with CloudFormation"
     def validate(name = nil)
       authorize
 
-      print '🔍 Validating... '
+      print "🔍 Validating... "
 
       valid =
         stack_names_from(name).all? do |stack_name|
           Directory.new(stack_name).valid?
         end
 
-      puts valid ? 'Valid.' : 'Invalid.'
+      puts valid ? "Valid." : "Invalid."
     end
 
-    no_commands do # rubocop:disable Metrics/BlockLength
+    desc "version", "Display the version of Humidifier"
+    def version
+      filepath = File.expand_path("../../#{SPECIFICATION}", __dir__)
+      version = JSON.parse(File.read(filepath))["ResourceSpecificationVersion"]
+
+      puts "📦 CloudFormation specification v#{version}"
+    end
+
+    no_commands do
       def authorize
         return unless options[:aws_profile]
 
         Aws.config[:credentials] =
           Aws::SharedCredentials.new(profile_name: options[:aws_profile])
       end
 
       def parameters_from(opts)
         opts.map do |opt|
-          key, value = opt.split('=')
+          key, value = opt.split("=")
           { parameter_key: key, parameter_value: value }
         end
       end
 
       def prelude
         command = @_invocations.values.dig(0, 0)
-        command = command ? "#{command} " : ''
+        command = command ? "#{command} " : ""
         puts "\033[1mhumidifier #{command}v#{VERSION}\033[0m"
       end
 
       def safe_execute
         prelude
@@ -116,10 +124,10 @@
         raise error if options[:debug]
 
         puts error.message
         exit 1
       else
-        puts '✨ Done in %.2fs.' % (Time.now.to_f - start)
+        puts "✨ Done in %.2fs." % (Time.now.to_f - start)
       end
 
       def stack_names_from(name)
         name ? [name] : Humidifier.config.stack_names
       end