Add logfile option

lib/crono/cli.rb

@@ -42,9 +42,13 @@ module Crono
       OptionParser.new do |opts|
         opts.banner = "Usage: crono [options]"
 
-        opts.on("-c", "--cronotab cronotab.rb", "Cronotab file (Default: #{Crono.config.cronotab})") do |cronotab|
+        opts.on("-C", "--cronotab PATH", "Path to cronotab file (Default: #{Crono.config.cronotab})") do |cronotab|
           Crono.config.cronotab = cronotab
         end
+
+        opts.on("-L", "--logfile PATH", "Path to writable logfile (Default: #{Crono.config.logfile})") do |logfile|
+          Crono.config.logfile = logfile
+        end
       end.parse!(argv)
     end
   end

lib/crono/config.rb

@@ -1,14 +1,17 @@
 module Crono
   class Config
-    CRONOTAB = "config/cronotab.rb"
     include Singleton
+    CRONOTAB  = "config/cronotab.rb"
+    LOGFILE   = "log/crono.rb"
 
     attr_accessor :schedule
     attr_accessor :cronotab
+    attr_accessor :logfile
 
     def initialize
       self.schedule = Schedule.new
       self.cronotab = CRONOTAB
+      self.logfile  = LOGFILE
     end
   end
 

lib/crono/logging.rb

@@ -0,0 +1,2 @@
+module Crono
+end

spec/cli_spec.rb

@@ -33,5 +33,10 @@ describe Crono::CLI do
       cli.send(:parse_options, ["--cronotab", "/tmp/cronotab.rb"])
       expect(Crono.config.cronotab).to be_eql "/tmp/cronotab.rb"
     end
+
+    it "should set logfile" do
+      cli.send(:parse_options, ["--logfile", "log/crono.log"])
+      expect(Crono.config.logfile).to be_eql "log/crono.log"
+    end
   end
 end