[teamai] Push 87 resource(s) from XingfenD

.teamai/skills/common/golang-cli/assets/examples/exit_codes.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"errors"
+	"os"
+
+	"github.com/you/myapp/cmd"
+)
+
+// Pattern for mapping errors to exit codes.
+func mainWithExitCodes() {
+	if err := cmd.Execute(); err != nil {
+		// Cobra already printed the error via RunE
+		var exitErr *ExitError
+		if errors.As(err, &exitErr) {
+			os.Exit(exitErr.Code)
+		}
+		os.Exit(1)
+	}
+}
+
+type ExitError struct {
+	Code int
+	Err  error
+}
+
+func (e *ExitError) Error() string { return e.Err.Error() }
+func (e *ExitError) Unwrap() error { return e.Err }