tools: Add listx helper

Signed-off-by: aeneasr <aeneas.rekkas@serlo.org>

tools/listx/main.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"github.com/ory/x/cmdx"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func main() {
+	args := os.Args
+	if len(args) != 2 {
+		cmdx.Fatalf("Expects exactly one input parameter")
+	}
+	err := filepath.Walk(args[1], func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if info.IsDir() {
+			return nil
+		}
+
+		if strings.Contains(path, "vendor") {
+			return nil
+		}
+
+		if filepath.Ext(path) == ".go" {
+			if p, err := filepath.Abs(filepath.Join(args[1], path)); err != nil {
+				return err
+			} else {
+				fmt.Println(p)
+			}
+		}
+
+		return nil
+	})
+
+	cmdx.Must(err, "%s", err)
+}