chore: update cli & documentation

Signed-off-by: Yagiz Degirmenci <yagizcanilbey1903@gmail.com>

Author: ycd

.gitignore

@@ -1,2 +1,3 @@
 .idea
 dstp
+.DS_Store

README.md

@@ -31,13 +31,13 @@ thought a robust tool like that come in handy!
 
 ### Packages
 
-#### Arch Linux
-
-* [ ] For Arch Linux, install the [``]() package.
-
 #### Homebrew
 
-* [ ] For Homebrew on macOS, install the [``]() formula.
+For Homebrew on macOS, install the [`ycd/tap/dstp`](https://github.com/ycd/homebrew-tap#readme) formula.
+
+```zsh
+brew install ycd/tap/dstp
+```
 
 ### Downloads
 

cmd/main.go

@@ -18,10 +18,6 @@ func main() {
 		config.UsageAndExit(err)
 	}
 
-	if opts.ShowHelp {
-		config.HelpAndExit()
-	}
-
 	ctx := context.Background()
 
 	dstp.RunAllTests(ctx, *opts)

config/config.go

@@ -54,8 +54,12 @@ func ConfigureOptions(fs *flag.FlagSet, args []string) (*Config, error) {
 	}
 	values := fs.Args()
 
+	if opts.ShowHelp {
+		HelpAndExit()
+	}
+
 	if !opts.ShowHelp && len(values) < 1 {
-		return nil, fmt.Errorf("address is required")
+		HelpAndExit()
 	}
 
 	if len(values) > 1 {