Replace fmt.Println() + os.Exit(1) with log.Fatal() in error handler, error out if no useful paths are passed in

cmd/files.go

@@ -649,7 +649,7 @@ func normalizePath(path string) (string, error) {
 }
 
 func normalizePaths(args []string) ([]string, error) {
-	paths := make([]string, len(args))
+	var paths []string
 
 	var pathList strings.Builder
 	pathList.WriteString("Paths:\n")
@@ -683,7 +683,7 @@ func normalizePaths(args []string) ([]string, error) {
 		}
 
 		if addPath {
-			paths[i] = path
+			paths = append(paths, path)
 		}
 	}
 

cmd/root.go

@@ -5,8 +5,7 @@ Copyright © 2023 Seednode <seednode@seedno.de>
 package cmd
 
 import (
-	"fmt"
-	"os"
+	"log"
 
 	"github.com/spf13/cobra"
 )
@@ -48,8 +47,7 @@ var (
 func Execute() {
 	err := rootCmd.Execute()
 	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
+		log.Fatal(err)
 	}
 }
 
@@ -76,5 +74,5 @@ func init() {
 	})
 
 	rootCmd.SetVersionTemplate("roulette v{{.Version}}\n")
-	rootCmd.Version = "0.48.0"
+	rootCmd.Version = "0.49.0"
 }

cmd/web.go

@@ -943,8 +943,7 @@ func ServePage(args []string) error {
 
 	bindAddr := net.ParseIP(bindHost[0])
 	if bindAddr == nil {
-		fmt.Println("Invalid bind address provided. Please specify a hostname, or an IPv4 or IPv6 address in dotted decimal or IPv6 format.")
-		os.Exit(1)
+		return errors.New("invalid bind address provided")
 	}
 
 	paths, err := normalizePaths(args)
@@ -953,8 +952,7 @@ func ServePage(args []string) error {
 	}
 
 	if len(paths) == 0 {
-		fmt.Println("No supported files found in provided paths. Exiting.")
-		os.Exit(0)
+		return errors.New("no supported files found in provided paths")
 	}
 
 	Regexes := &Regexes{