config: Add config:explain, config:print commands.

config/commands.go

@@ -0,0 +1,27 @@
+package config
+
+import (
+	"fmt"
+
+	"github.com/octavore/naga/service"
+)
+
+func (m *Module) registerCommands(c *service.Config) {
+	c.AddCommand(&service.Command{
+		Keyword: "config:explain",
+		Run: func(ctx *service.CommandContext) {
+			m.PrintConsolidatedConfig()
+		},
+		ShortUsage: "Explain config.json options",
+		Usage:      "",
+	})
+
+	c.AddCommand(&service.Command{
+		Keyword: "config:print",
+		Run: func(ctx *service.CommandContext) {
+			fmt.Println(string(m.Byte))
+		},
+		ShortUsage: "Print current config.json",
+		Usage:      "",
+	})
+}

config/module.go

@@ -36,6 +36,8 @@ type Module struct {
 
 // Init implements the module interface method
 func (m *Module) Init(c *service.Config) {
+	m.registerCommands(c)
+
 	c.Setup = func() error {
 		m.configDefs = []reflect.Type{}
 		switch {