Add global option to set the planet.yml configuration file.

bin/planet

@@ -10,6 +10,8 @@ include GLI::App
 
 program_desc 'Planet.rb is an awesome feed-aggregator gem that consumes RSS/Atom feeds and outputs them in a format suitable to use with Octopress or Jekyll'
 
+flag [:c,:config], :default_value => 'planet.yml', :desc => "Planet configuration file"
+
 desc 'Parses planet.yml file for blogs and generates their posts in Jekyll compliant format under the _posts directory'
 command :generate do |c|
 
@@ -21,7 +23,7 @@ due to spacing issues possible with markdown.
 }
   c.action do |global_options,options,args|
 
-    Planet::Importer.import('planet.yml') do |planet|
+    Planet::Importer.import(global_options[:config]) do |planet|
 
       post_extension = options[:extension] || 'markdown'
       post_extension = '.' + post_extension unless post_extension[0] == '.'
@@ -43,18 +45,17 @@ end
 desc 'Creates basic planet.yml config file'
 command :init do |c|
   c.action do |global_options,options,args|
-    abort 'There is already a planet.yml file present' if File.exist? 'planet.yml'
-
-    File.open('planet.yml', 'w') { |f| f.write(Box::FILES['planet']) }
-
-    puts '=> Created default planet.yml'
+    abort 'There is already a planet.yml file present' if File.exist?(global_options[:config])
+    File.open(global_options[:config], 'w') { |f| f.write(Box::FILES['planet']) }
+    puts "=> Created default #{global_options[:config]}"
   end
 end
 
-desc 'Creates basic templates on the templates_directory specified in planet.yml'
+desc "Creates basic templates on the templates_directory specified in configuration file"
 command :create_templates do |c|
   c.action do |global_options,options,args|
-    conf = YAML.load_file('planet.yml')
+    STDERR.puts "DEBUG: #{caller.first} global_options[:config]=#{global_options[:config].inspect}"
+    conf = YAML.load_file(global_options[:config])
 
     templates_dir = conf.fetch('planet').fetch('templates_directory', 'source/_layouts/')
 
@@ -86,25 +87,24 @@ end
 desc 'Delete existing templates and recreate them'
 command :update_templates do |c|
   c.action do |global_options,options,args|
-    conf = YAML.load_file('planet.yml')
+    conf = YAML.load_file(global_options[:config])
 
     templates_dir = conf.fetch('planet').fetch('templates_directory', 'source/_layouts/')
 
     author = templates_dir + 'author.html'
     header = templates_dir + 'header.md'
 
-
     File.delete(author) if File.exists?(author)
     File.delete(header) if File.exists?(header)
 
-    response = `#{ $0 } create_templates`
+    response = `#{$0} -d #{global_options[:config]} create_templates`
     puts response
   end
 end
 
 pre do |global,command,options,args|
   if command.name == :generate
-    conf = YAML.load_file('planet.yml')
+    conf = YAML.load_file(global[:config])
 
     templates_dir = conf.fetch('planet').fetch('templates_directory', 'source/_layouts')
     FileUtils.mkdir_p(templates_dir)
@@ -114,7 +114,9 @@ pre do |global,command,options,args|
     files.each do |name, path|
       if !File.exists?(path)
         puts "=> You are missing some files in your templates directory, planet.rb will create them for you - make sure to review them on #{ templates_dir }!"
-        response = `#{$0} create_templates`
+
+        response = `#{$0} -c #{global[:config]} create_templates`
+
         puts response
       elsif Box::FILES[name] != File.read(path)
         puts "!! WARNING: your planet.rb template files are different from the default, if you haven't made specific changes to them yourself then planet.rb default templates might have changed.Run 'planet update_templates' to override your current files with the newest default file available."
@@ -130,6 +132,8 @@ post do |global,command,options,args|
 end
 
 on_error do |exception|
+  STDERR.puts "Error: #{exception} (#{exception.class})"
+  STDERR.puts exception.backtrace.join("\n")
   true
 end