add options parser

3 files changed, 31 insertions, 2 deletions

diff --git a/Rakefile b/Rakefile
index 1a7ea43..f41f084 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,7 +1,9 @@
 require_relative 'rcm/rcm'
 
-task :default do |t|
+desc 'Set up wireguard mesh'
+task :wireguard do |t|
   rcm do
+    p option :verbose
     conditions do
       hostname is :earth
     end
diff --git a/rcm/options.rb b/rcm/options.rb
new file mode 100644
index 0000000..ab3e25d
--- /dev/null
+++ b/rcm/options.rb
@@ -0,0 +1,24 @@
+require 'optparse'
+
+module RCM
+  # Command line options
+  module Options
+    @@options = {
+      verbose: false
+    }
+
+    parser = OptionParser.new do |opts|
+      opts.banner = 'Usage: rake [target] -- [options]'
+      opts.on('-v', '--[no-]verbose', 'run verbosely') { |v| @@options[:verbose] = v }
+    end
+
+    parser.order!(ARGV) {}
+    parser.parse!
+
+    def option(key)
+      raise "No such option: #{key}" unless @@options.key?(key)
+
+      @@options[key]
+    end
+  end
+end
diff --git a/rcm/rcm.rb b/rcm/rcm.rb
index 6c69d7b..5c2e71e 100644
--- a/rcm/rcm.rb
+++ b/rcm/rcm.rb
@@ -1,10 +1,13 @@
+require_relative 'options'
 require_relative 'conditions'
 require_relative 'file'
- 
+
 # Ruby Configiration Management system
 module RCM
   # Here all starts
   class RCM
+    include Options
+
     def initialize
       @objs = []
       @conds_met = true