shithub: hugo

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If no language is provided to Pygments, then try and guess it

Previously if no language was specified, then illegal args would be passed to pygments, for example `pygments -l -fhtml`, which would result in pygments printing an error.

--- a/helpers/pygments.go

+++ b/helpers/pygments.go

@@ -94,7 +94,14 @@

 	var out bytes.Buffer

 	var stderr bytes.Buffer

-	cmd := exec.Command(pygmentsBin, "-l"+lang, "-fhtml", "-O", options)

+	var langOpt string

+	if lang == "" {

+		langOpt = "-g" // Try guessing the language

+	} else {

+		langOpt = "-l"+lang

+	}

+

+	cmd := exec.Command(pygmentsBin, langOpt, "-fhtml", "-O", options)

 	cmd.Stdin = strings.NewReader(code)

 	cmd.Stdout = &out

 	cmd.Stderr = &stderr