inspec detect learns human-readable output

[chris-rock]

This fixes #300

$ inspec detect 
Operating System Details
------------------------
Name: mac_os_x
Family: darwin
Release: 10.10.5
Arch: 

$ inspec detect --format json
{"name":"mac_os_x","family":"darwin","release":"10.10.5","arch":null}

[arlimus]

Nice!! What do you think about:

diff --git a/lib/inspec/cli.rb b/lib/inspec/cli.rb
index 6ec254a..80ea5e1 100644
--- a/lib/inspec/cli.rb
+++ b/lib/inspec/cli.rb
@@ -115,9 +115,9 @@ class Inspec::InspecCLI < Inspec::BaseCLI # rubocop:disable Metrics/ClassLength
   target_options
   option :format, type: :string
   def detect
-    options_json[:command] = 'os.params'
     o = opts.dup
-    res = runner_command(opts, o[:command])
+    o[:command] = 'os.params'
+    res = run_command(o)
     if opts['format'] == 'json'
       puts res.to_json
     else
@@ -141,7 +141,7 @@ class Inspec::InspecCLI < Inspec::BaseCLI # rubocop:disable Metrics/ClassLength
       runner = Inspec::Runner.new(o)
       return Inspec::Shell.new(runner).start
     else
-      res = runner_command(opts, o[:command])
+      res = run_command(o)
       jres = res.respond_to?(:to_json) ? res.to_json : JSON.dump(res)
       puts jres
     end
@@ -156,10 +156,10 @@ class Inspec::InspecCLI < Inspec::BaseCLI # rubocop:disable Metrics/ClassLength

   private

-  def runner_command(opts, cmd)
+  def run_command(opts)
     opts[:test_collector] = 'mock'
     runner = Inspec::Runner.new(opts)
-    runner.create_context.load(cmd)
+    runner.create_context.load(opts[:command])
   end
 end

[chris-rock]

Would you like to commit it or should I?

[arlimus]

Pushed the update, thank you for the quick review!