Homepage "/" respects PublishDir

It wasn't taking the value of PublishDir into consideration for the
special case of the homepage "/".

Fixes #75

hugolib/site_url_test.go

@@ -49,8 +49,6 @@ func TestPageCount(t *testing.T) {
 	s := &Site{Target: target}
 	s.prepTemplates()
 	must(s.addTemplate("indexes/blue.html", INDEX_TEMPLATE))
-	//s.Files = append(s.Files, "blue/doc1.md")
-	//s.Files = append(s.Files, "blue/doc2.md")
 	s.Pages = append(s.Pages, mustReturn(ReadFrom(strings.NewReader(SLUG_DOC_1), filepath.FromSlash("content/blue/doc1.md"))))
 	s.Pages = append(s.Pages, mustReturn(ReadFrom(strings.NewReader(SLUG_DOC_2), filepath.FromSlash("content/blue/doc2.md"))))
 

target/file.go

@@ -56,6 +56,9 @@ func (fs *Filesystem) Publish(path string, r io.Reader) (err error) {
 
 func (fs *Filesystem) Translate(src string) (dest string, err error) {
 	if src == "/" {
+		if fs.PublishDir != "" {
+			return path.Join(fs.PublishDir, "index.html"), nil
+		}
 		return "index.html", nil
 	}
 

target/file_test.go

@@ -32,6 +32,31 @@ func TestFileTranslator(t *testing.T) {
 	}
 }
 
+func TestFileTranslatorBase(t *testing.T) {
+	tests := []struct {
+		content string
+		expected string
+	}{
+		{"/", "a/base/index.html"},
+	}
+
+	for _, test := range tests {
+		f := &Filesystem{PublishDir: "a/base"}
+		fts := &Filesystem{PublishDir: "a/base/"}
+
+		for _, fs := range []*Filesystem{f, fts} {
+			dest, err := fs.Translate(test.content)
+			if err != nil {
+				t.Fatalf("Translated returned and err: %s", err)
+			}
+
+			if dest != test.expected {
+				t.Errorf("Translate expected: %s, got: %s", test.expected, dest)
+			}
+		}
+	}
+}
+
 func TestTranslateUglyUrls(t *testing.T) {
 	tests := []struct {
 		content  string