Add source and config options to page command

Update the page command to use the correct Jekyll source from config or command line option.

Author: Matthew Loberg

lib/jekyll/commands/page.rb

@@ -16,7 +16,9 @@ def self.options
         [
           ['extension', '-x EXTENSION', '--extension EXTENSION', 'Specify the file extension'],
           ['layout', '-l LAYOUT', '--layout LAYOUT', "Specify the page layout"],
-          ['force', '-f', '--force', 'Overwrite a page if it already exists']
+          ['force', '-f', '--force', 'Overwrite a page if it already exists'],
+          ['config', '--config CONFIG_FILE[,CONFIG_FILE2,...]', Array, 'Custom configuration file'],
+          ['source', '-s', '--source SOURCE', 'Custom source directory'],
         ]
       end
 
@@ -26,7 +28,7 @@ def self.process(args = [], options = {})
 
         page = PageFileInfo.new params
 
-        Compose::FileCreator.new(page, params.force?).create!
+        Compose::FileCreator.new(page, params.force?, params.source).create!
       end
 
       class PageArgParser < Compose::ArgParser

spec/page_spec.rb

@@ -63,4 +63,37 @@
       expect(File.read(path)).to match(/layout: page/)
     end
   end
+
+  context 'when a configuration file exists' do
+    let(:config) { source_dir('_config.yml') }
+    let(:path) { Pathname.new(source_dir).join('site', filename) }
+
+    before(:each) do
+      File.open(config, 'w') do |f|
+        f.write(%{
+source: site
+})
+      end
+    end
+
+    after(:each) do
+      FileUtils.rm(config)
+    end
+
+    it 'should use source directory set by config' do
+      expect(path).not_to exist
+      capture_stdout { described_class.process(args) }
+      expect(path).to exist
+    end
+  end
+
+  context 'when source option is set' do
+    let(:path) { Pathname.new(source_dir).join('site', filename) }
+
+    it 'should use source directory set by command line option' do
+      expect(path).not_to exist
+      capture_stdout { described_class.process(args, 'source' => 'site') }
+      expect(path).to exist
+    end
+  end
 end