fix: replace appname in CLI help

main.go

@@ -6,6 +6,7 @@ import (
  "log/slog"
  "os"
  "os/signal"
+ "strings"
  "time"
 
  "github.com/briandowns/spinner"
@@ -36,13 +37,16 @@ func initLogging(app string) *slog.LevelVar {
 }
 
 func main() {
- runCmd(newCmd(os.Args[1:], initLogging(appname))) //nolint:forbidigo
+ runCmd(newCmd(appname, os.Args[1:], initLogging(appname))) //nolint:forbidigo
 }
 
-func newCmd(args []string, levelVar *slog.LevelVar) *cobra.Command {
+func newCmd(appname string, args []string, levelVar *slog.LevelVar) *cobra.Command {
  cmd := cmd.New(levelVar)
  cmd.Version = version
 
+ cmd.Use = strings.ReplaceAll(cmd.Use, "k6exec", appname)
+ cmd.Long = strings.ReplaceAll(cmd.Long, "k6exec", appname)
+
  if len(args) == 1 && (args[0] == "-h" || args[0] == "--help") {
  args[0] = "help"
  }