feat: gitea client

vendor/github.com/alecthomas/kong/exit.go

@@ -0,0 +1,32 @@
+package kong
+
+import "errors"
+
+const (
+	exitOk    = 0
+	exitNotOk = 1
+
+	// Semantic exit codes from https://github.com/square/exit?tab=readme-ov-file#about
+	exitUsageError = 80
+)
+
+// ExitCoder is an interface that may be implemented by an error value to
+// provide an integer exit code. The method ExitCode should return an integer
+// that is intended to be used as the exit code for the application.
+type ExitCoder interface {
+	ExitCode() int
+}
+
+// exitCodeFromError returns the exit code for the given error.
+// If err implements the exitCoder interface, the ExitCode method is called.
+// Otherwise, exitCodeFromError returns 0 if err is nil, and 1 if it is not.
+func exitCodeFromError(err error) int {
+	var e ExitCoder
+	if errors.As(err, &e) {
+		return e.ExitCode()
+	} else if err == nil {
+		return exitOk
+	}
+
+	return exitNotOk
+}