internal/homesick/cli/cli.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"git.hrafn.xyz/aether/gosick/internal/homesick/core"
@@ -21,8 +22,8 @@ func Run(args []string, stdout io.Writer, stderr io.Writer) int {
 
 	parser, err := kong.New(
 		&cliModel{},
-		kong.Name("homesick"),
+		kong.Name(programName()),
-		kong.Description("Go scaffold"),
+		kong.Description("Your home is your castle. Don't leave your precious dotfiles behind."),
 		kong.Writers(stdout, stderr),
 		kong.Exit(func(int) {}),
 		kong.ConfigureHelp(kong.HelpOptions{Compact: true}),
@@ -192,6 +193,16 @@ func defaultCastle(castle string) string {
 	return castle
 }
 
+func programName() string {
+	if len(os.Args) > 0 {
+		if name := strings.TrimSpace(filepath.Base(os.Args[0])); name != "" {
+			return name
+		}
+	}
+
+	return "gosick"
+}
+
 func normalizeArgs(args []string) []string {
 	if len(args) == 0 {
 		return []string{"--help"}

internal/homesick/cli/cli_test.go

@@ -59,4 +59,18 @@ func (s *CLISuite) TestRun_CloneSubcommandHelp() {
 	require.Contains(s.T(), s.stdout.String(), "clone")
 	require.Contains(s.T(), s.stdout.String(), "URI")
 	require.Empty(s.T(), s.stderr.String())
-}
+}
+
+func (s *CLISuite) TestRun_Help_UsesProgramNameAndDescription() {
+	originalArgs := os.Args
+	s.T().Cleanup(func() { os.Args = originalArgs })
+	os.Args = []string{"gosick"}
+
+	exitCode := cli.Run([]string{"--help"}, s.stdout, s.stderr)
+
+	require.Equal(s.T(), 0, exitCode)
+	require.Contains(s.T(), s.stdout.String(), "Usage: gosick")
+	require.NotContains(s.T(), s.stdout.String(), "Usage: homesick")
+	require.Contains(s.T(), s.stdout.String(), "precious dotfiles")
+	require.Empty(s.T(), s.stderr.String())
+}