simplify getting user input functionality

input.go

@@ -9,28 +9,18 @@ import (
 	"github.com/gookit/color"
 )
 
-type validator func(string) bool
-
-func getUserInput(reader *bufio.Reader, prompt string, fn validator) string {
+func getPathFromUser(reader *bufio.Reader) string {
 	for {
-		fmt.Print(prompt)
+		fmt.Print("enter the folder path to scan for Git repositories: ")
 		input, err := reader.ReadString('\n')
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "gitcs: error reading input: %s\n", err.Error())
 			os.Exit(1)
 		}
-		if fn(input) {
+		input = strings.TrimSpace(input)
+		if isValidFolderPath(input) {
 			return input
 		}
-		fmt.Println(color.Yellow.Sprint("invalid input. Please try again!"))
+		fmt.Println(color.Yellow.Sprintf("gitcs: path %q is not found, please enter a valid folder path", input))
 	}
 }
-
-func getPathFromUser(reader *bufio.Reader) string {
-	folder := getUserInput(reader, "Enter the folder path to scan for Git repositories: ", func(s string) bool {
-		return isValidFolderPath(strings.ToLower(strings.TrimSpace(s)))
-	})
-	folder = strings.ToLower(strings.TrimSpace(folder))
-
-	return folder
-}