Report error, but don’t fatally stop if pygments has error. Return original string. (+1 squashed commit)

Squashed commits:
[849a7af] if highlighting doesn’t work, just return original string

helpers/pygments.go

@@ -14,32 +14,32 @@
 package helpers
 
 import (
-	"bytes"
-	"log"
-	"os/exec"
-	"strings"
+    "bytes"
+    "log"
+    "os/exec"
+    "strings"
 )
 
 func Highlight(code string, lexer string) string {
-	var pygmentsBin = "pygmentize"
+    var pygmentsBin = "pygmentize"
 
-	if _, err := exec.LookPath(pygmentsBin); err != nil {
-		log.Print("Highlighting requries Pygments to be installed and in the path")
-		return code
-	}
+    if _, err := exec.LookPath(pygmentsBin); err != nil {
+        log.Print("Highlighting requries Pygments to be installed and in the path")
+        return code
+    }
 
-	var out bytes.Buffer
-	var stderr bytes.Buffer
+    var out bytes.Buffer
+    var stderr bytes.Buffer
 
-	cmd := exec.Command(pygmentsBin, "-l"+lexer, "-fhtml", "-O style=monokai,noclasses=true,encoding=utf-8")
-	cmd.Stdin = strings.NewReader(code)
-	cmd.Stdout = &out
-	cmd.Stderr = &stderr
+    cmd := exec.Command(pygmentsBin, "-l"+lexer, "-fhtml", "-O style=monokai,noclasses=true,encoding=utf-8")
+    cmd.Stdin = strings.NewReader(code)
+    cmd.Stdout = &out
+    cmd.Stderr = &stderr
 
-	if err := cmd.Run(); err != nil {
-		log.Print(stderr.String())
-		log.Fatal(err)
-	}
+    if err := cmd.Run(); err != nil {
+        log.Print(stderr.String())
+        return code
+    }
 
-	return out.String()
+    return out.String()
 }