// Filepath separator defined by os.Separator.
 const FilePathSeparator = string(filepath.Separator)
 
+// FindAvailablePort returns an available and valid TCP port.
 func FindAvailablePort() (*net.TCPAddr, error) {
        l, err := net.Listen("tcp", ":0")
        if err == nil {
        return bytes.NewReader(in)
 }
 
+// ThemeSet checks whether a theme is in use or not.
 func ThemeSet() bool {
        return viper.GetString("theme") != ""
 }
                if bv.Kind() == reflect.String && op == '+' {
                        bs := bv.String()
                        return as + bs, nil
-               } else {
-                       return nil, errors.New("Can't apply the operator to the values")
                }
+               return nil, errors.New("Can't apply the operator to the values")
        default:
                return nil, errors.New("Can't apply the operator to the values")
        }
 
        // This assignment actually copies the content
        // of input into a new object.
        // Otherwise, the test would not make sense...
-       input_copy := input
+       inputCopy := input
 
        SliceToLower(input)
 
        for i, e := range input {
-               if e != input_copy[i] {
-                       t.Errorf("TestSliceToLowerNonDestructive failed. Expected element #%d of input slice to be %s. Found %s.", i, input_copy[i], input[i])
+               if e != inputCopy[i] {
+                       t.Errorf("TestSliceToLowerNonDestructive failed. Expected element #%d of input slice to be %s. Found %s.", i, inputCopy[i], input[i])
                }
        }
 }
 
        "github.com/spf13/viper"
 )
 
-// Bridge for common functionality in filepath vs path
+// FilepathPathBridge is a bridge for common functionality in filepath vs path
 type FilepathPathBridge interface {
        Base(in string) string
        Clean(in string) string
                list, err := f.Readdir(-1)
                // f.Close() - see bug fix above
                return len(list) == 0, nil
-       } else {
-               return fi.Size() == 0, nil
        }
+       return fi.Size() == 0, nil
 }
 
 // Check if a file or directory exists.
        if parts[0] == "content" {
                if len(parts) > 2 {
                        return parts[1]
-               } else {
-                       return ""
                }
+               return ""
        }
 
        return parts[0]
 func PathPrep(ugly bool, in string) string {
        if ugly {
                return Uglify(in)
-       } else {
-               return PrettifyPath(in)
        }
+       return PrettifyPath(in)
 }
 
 // Same as PrettifyUrlPath() but for file paths.
                        return b.Separator()
                }
                return b.Join(b.Clean(in), "index.html")
-       } else {
-               name, ext := FileAndExt(in, b)
-               if name == "index" {
-                       // /section/name/index.html -> /section/name/index.html
-                       return b.Clean(in)
-               } else {
-                       // /section/name.html -> /section/name/index.html
-                       return b.Join(b.Dir(in), name, "index"+ext)
-               }
        }
+       name, ext := FileAndExt(in, b)
+       if name == "index" {
+               // /section/name/index.html -> /section/name/index.html
+               return b.Clean(in)
+       }
+       // /section/name.html -> /section/name/index.html
+       return b.Join(b.Dir(in), name, "index"+ext)
 }
 
 // FindCWD returns the current working directory from where the Hugo
 
        if ugly {
                x := Uglify(SanitizeUrl(in))
                return x
-       } else {
-               x := PrettifyUrl(SanitizeUrl(in))
-               if path.Ext(x) == ".xml" {
-                       return x
-               }
-               url, err := purell.NormalizeURLString(x, purell.FlagAddTrailingSlash)
-               if err != nil {
-                       fmt.Printf("ERROR returned by NormalizeURLString. Returning in = %q\n", in)
-                       return in
-               }
-               return url
        }
+       x := PrettifyUrl(SanitizeUrl(in))
+       if path.Ext(x) == ".xml" {
+               return x
+       }
+       url, err := purell.NormalizeURLString(x, purell.FlagAddTrailingSlash)
+       if err != nil {
+               fmt.Printf("ERROR returned by NormalizeURLString. Returning in = %q\n", in)
+               return in
+       }
+       return url
 }
 
 // PrettifyUrl takes a URL string and returns a semantic, clean URL.
                }
                // /section/name/  -> /section/name.html
                return path.Clean(in) + ".html"
-       } else {
-               name, ext := FileAndExt(in, pathBridge)
-               if name == "index" {
-                       // /section/name/index.html -> /section/name.html
-                       d := path.Dir(in)
-                       if len(d) > 1 {
-                               return d + ext
-                       } else {
-                               return in
-                       }
-               } else {
-                       // /section/name.html -> /section/name.html
-                       return path.Clean(in)
+       }
+
+       name, ext := FileAndExt(in, pathBridge)
+       if name == "index" {
+               // /section/name/index.html -> /section/name.html
+               d := path.Dir(in)
+               if len(d) > 1 {
+                       return d + ext
                }
+               return in
        }
+       // /section/name.html -> /section/name.html
+       return path.Clean(in)
 }