fix(cli): search-dir and html flag behaviour

Signed-off-by: Swarit Pandey <swarit.pandey@gmail.com>

Author: swarit-pandey

internal/cli/cli.go

@@ -59,7 +59,7 @@ func Parse(args []string) (*Config, error) {
 			cfg.OutputFormat = "html"
 			cfg.OutputFormatSet = true
 			i++
-			if i >= len(args) {
+			if i >= len(args) || looksLikeFlag(args[i]) {
 				return nil, fmt.Errorf("--html requires a file path argument")
 			}
 			cfg.HTMLOutputFile = args[i]
@@ -77,15 +77,14 @@ func Parse(args []string) (*Config, error) {
 			cfg.ColorMode = mode
 		case arg == "--search-dirs":
 			i++
-			if i >= len(args) || strings.HasPrefix(args[i], "--") {
+			if i >= len(args) || looksLikeFlag(args[i]) || isCommand(args[i]) {
 				return nil, fmt.Errorf("--search-dirs requires at least one directory path argument")
 			}
 			if !searchDirsSet {
 				cfg.SearchDirs = nil
 				searchDirsSet = true
 			}
-			// Greedily consume non-flag arguments
-			for i < len(args) && !strings.HasPrefix(args[i], "--") {
+			for i < len(args) && !looksLikeFlag(args[i]) && !isCommand(args[i]) {
 				cfg.SearchDirs = append(cfg.SearchDirs, args[i])
 				i++
 			}
@@ -156,3 +155,16 @@ Configuration:
 		name, name, name,
 		buildinfo.AgentURL)
 }
+
+func looksLikeFlag(s string) bool {
+	return strings.HasPrefix(s, "-")
+}
+
+var commands = map[string]bool{
+	"install": true, "uninstall": true, "send-telemetry": true,
+	"configure": true, "version": true, "help": true,
+}
+
+func isCommand(s string) bool {
+	return commands[s]
+}

internal/cli/cli_test.go

@@ -181,3 +181,75 @@ func TestParse_FlagCombinations(t *testing.T) {
 		t.Errorf("unexpected config: %+v", cfg)
 	}
 }
+
+// Bug 1: --search-dirs greedily consumes single-dash flags and commands
+
+func TestParse_SearchDirsStopsAtCommand_Install(t *testing.T) {
+	cfg, err := Parse([]string{"--search-dirs", "/tmp", "install"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Command != "install" {
+		t.Errorf("expected command=install, got %q (search-dirs consumed it: %v)", cfg.Command, cfg.SearchDirs)
+	}
+	if len(cfg.SearchDirs) != 1 || cfg.SearchDirs[0] != "/tmp" {
+		t.Errorf("expected SearchDirs=[/tmp], got %v", cfg.SearchDirs)
+	}
+}
+
+func TestParse_SearchDirsRejectsSingleDashFlag(t *testing.T) {
+	// --search-dirs -v should error, not silently consume -v as a directory
+	_, err := Parse([]string{"--search-dirs", "-v"})
+	if err == nil {
+		t.Error("expected error when --search-dirs is followed by a flag")
+	}
+}
+
+func TestParse_SearchDirsStopsAtCommand_Uninstall(t *testing.T) {
+	cfg, err := Parse([]string{"--search-dirs", "/opt", "uninstall"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Command != "uninstall" {
+		t.Errorf("expected command=uninstall, got %q (search-dirs consumed it: %v)", cfg.Command, cfg.SearchDirs)
+	}
+	if len(cfg.SearchDirs) != 1 || cfg.SearchDirs[0] != "/opt" {
+		t.Errorf("expected SearchDirs=[/opt], got %v", cfg.SearchDirs)
+	}
+}
+
+func TestParse_SearchDirsStopsAtCommand_SendTelemetry(t *testing.T) {
+	cfg, err := Parse([]string{"--search-dirs", "/data", "send-telemetry"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Command != "send-telemetry" {
+		t.Errorf("expected command=send-telemetry, got %q (search-dirs consumed it: %v)", cfg.Command, cfg.SearchDirs)
+	}
+}
+
+func TestParse_SearchDirsStopsAtCommand_Configure(t *testing.T) {
+	cfg, err := Parse([]string{"--search-dirs", "/data", "configure"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Command != "configure" {
+		t.Errorf("expected command=configure, got %q (search-dirs consumed it: %v)", cfg.Command, cfg.SearchDirs)
+	}
+}
+
+// Bug 2: --html accepts flags as its filename argument
+
+func TestParse_HTMLRejectsFlag(t *testing.T) {
+	_, err := Parse([]string{"--html", "--verbose"})
+	if err == nil {
+		t.Error("expected error when --html argument looks like a flag, got nil")
+	}
+}
+
+func TestParse_HTMLRejectsDashFlag(t *testing.T) {
+	_, err := Parse([]string{"--html", "-v"})
+	if err == nil {
+		t.Error("expected error when --html argument is -v, got nil")
+	}
+}