build: define new unified build interfaces.

pkg/prebuild/cfg/core.go

@@ -0,0 +1,47 @@
+// apparmor.d - Full set of apparmor profiles
+// Copyright (C) 2021-2024 Alexandre Pujol <alexandre@pujol.io>
+// SPDX-License-Identifier: GPL-2.0-only
+
+package cfg
+
+import "fmt"
+
+type BaseInterface interface {
+	Message() string
+	Name() string
+	Usage() string
+}
+
+type Base struct {
+	Msg     string
+	Keyword string
+	Help    string
+}
+
+func (b Base) Name() string {
+	return b.Keyword
+}
+
+func (b Base) Usage() string {
+	return b.Help
+}
+
+func (b Base) Message() string {
+	return b.Msg
+}
+
+func Help[T BaseInterface](name string, tasks map[string]T) string {
+	res := fmt.Sprintf("%s tasks:\n", name)
+	for _, t := range tasks {
+		res += fmt.Sprintf("    %s - %s\n", t.Name(), t.Message())
+	}
+	return res
+}
+
+func Usage[T BaseInterface](name string, tasks map[string]T) string {
+	res := fmt.Sprintf("%s\n", name)
+	for _, t := range tasks {
+		res += fmt.Sprintf("    %s\n", t.Usage())
+	}
+	return res
+}