Fix migration script when using page-file-dir (#1542)

bin/gollum-migrate-tags

@@ -81,6 +81,7 @@ begin
     const = setting.to_s.upcase
     Object.const_set(const, value) unless Object.const_defined?(const)
   end
+  wiki_options[:page_file_dir] = setting(:page_file_dir) ? setting(:page_file_dir) : wiki_options[:page_file_dir] # Allow settings :page_file_dir through PAGE_FILE_DIR constant.
 rescue OptionParser::InvalidOption
   puts "gollum-migrate-tags: #{$!.message}"
   puts "gollum-migrate-tags: try 'gollum-migrate-tags --help' for more information"
@@ -261,7 +262,7 @@ wiki.pages.each do |page|
   log(:info,"Page #{page.path}")
   new_data = page.formatted_data
   if setting(:no_dry_run)
-    path = ::File.join([wiki.path, wiki.page_file_dir, page.path].compact)
+    path = ::File.join(wiki.path, page.path)
     f = File.new(path, 'w')
     f.write(new_data)
     f.close

test/test_migrate.rb

@@ -23,7 +23,26 @@ waa
 [[Subsub/Zaa.md]]
 EOF
 
-script_path = File.expand_path(File.join(File.dirname(__FILE__), '../', 'bin', 'gollum-migrate-tags'))
+def load_script(**args)
+  settings = {
+    :run_silent => true,
+    :no_dry_run => true,
+    :prefer_relative => true,
+    :hyphenate => false,
+    :page_file_dir => nil,
+  }.merge(args)
+  
+  settings.each do |const, val|
+    const_name = const.to_s.upcase
+    Object.const_set(const_name, val) unless Object.const_defined?(const_name) && Object.const_get(const_name) == val
+  end
+  
+  script_path = File.expand_path(File.join(File.dirname(__FILE__), '../', 'bin', 'gollum-migrate-tags'))
+  
+  Dir.chdir(@path) do
+    load script_path
+  end  
+end
 
 unless ENV['TRAVIS']
 
@@ -35,33 +54,29 @@ unless ENV['TRAVIS']
     end
     
     test 'repair broken links' do
-      PREFER_RELATIVE = true
-      RUN_SILENT = true
-      NO_DRY_RUN = true
-      HYPHENATE = false
-      
-      Dir.chdir(@path) do
-        load script_path
-      end
+      load_script
+    
       f = ::File.new(::File.join(@path, 'Subdir/Foo.md'), 'r')
       assert_equal result, f.read
     end
     
-    test 'change spaced filenames to hyphenated filenames' do
-      RUN_SILENT = true
-      NO_DRY_RUN = true
-      PREFER_RELATIVE = true
-      HYPHENATE = true
-    
-      Dir.chdir(@path) do
-        load script_path
-      end
+    test 'change spaced filenames to hyphenated filenames' do    
+      load_script(hyphenate: true)
     
       f = ::File.new(::File.join(@path, 'Home.textile'), 'r')
       output = f.read
       assert_equal true, output.include?('[[Bilbo-Baggins.md]]')
       assert_equal true, output.include?('[[evil|Mordor/Eye-Of-Sauron.md]]')
     end
+    
+    test 'migration with page file dir' do      
+      load_script(page_file_dir: 'Subdir')
+      
+      f = ::File.new(::File.join(@path, 'Subdir/Foo.md'), 'r')
+      output = f.read
+      assert_equal true, output.include?('[[Subsub/Zaa.md]]')
+      assert_equal true, output.include?('[[Samwi]]')
+    end
 
     teardown do
       FileUtils.rm_rf(@path)