helpers: apply some Golint rules

helpers/general.go

@@ -31,6 +31,7 @@ import (
 // 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 {
@@ -100,6 +101,7 @@ func BytesToReader(in []byte) io.Reader {
 	return bytes.NewReader(in)
 }
 
+// ThemeSet checks whether a theme is in use or not.
 func ThemeSet() bool {
 	return viper.GetString("theme") != ""
 }
@@ -193,9 +195,8 @@ func DoArithmetic(a, b interface{}, op rune) (interface{}, error) {
 		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")
 	}

helpers/general_test.go

@@ -110,13 +110,13 @@ func TestSliceToLowerNonDestructive(t *testing.T) {
 	// 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] {
+		if e != inputCopy[i] {
-			t.Errorf("TestSliceToLowerNonDestructive failed. Expected element #%d of input slice to be %s. Found %s.", i, input_copy[i], input[i])
+			t.Errorf("TestSliceToLowerNonDestructive failed. Expected element #%d of input slice to be %s. Found %s.", i, inputCopy[i], input[i])
 		}
 	}
 }

helpers/path.go

@@ -28,7 +28,7 @@ import (
 	"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
@@ -149,9 +149,8 @@ func IsEmpty(path string, fs afero.Fs) (bool, error) {
 		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.
@@ -317,9 +316,8 @@ func GuessSection(in string) string {
 	if parts[0] == "content" {
 		if len(parts) > 2 {
 			return parts[1]
-		} else {
-			return ""
 		}
+		return ""
 	}
 
 	return parts[0]
@@ -328,9 +326,8 @@ func GuessSection(in string) string {
 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.
@@ -348,17 +345,15 @@ func PrettiyPath(in string, b FilepathPathBridge) string {
 			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)
 }
-	}
-}
 
 // FindCWD returns the current working directory from where the Hugo
 // executable is run.

helpers/url.go

@@ -172,7 +172,7 @@ func UrlPrep(ugly bool, in string) string {
 	if ugly {
 		x := Uglify(SanitizeUrl(in))
 		return x
-	} else {
+	}
 	x := PrettifyUrl(SanitizeUrl(in))
 	if path.Ext(x) == ".xml" {
 		return x
@@ -184,7 +184,6 @@ func UrlPrep(ugly bool, in string) string {
 	}
 	return url
 }
-}
 
 // PrettifyUrl takes a URL string and returns a semantic, clean URL.
 func PrettifyUrl(in string) string {
@@ -221,19 +220,17 @@ func Uglify(in string) string {
 		}
 		// /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)
 }
-	}
-}