feat: Adds generate-config as json file.

Sources/hpa/GenerateConfigCommand.swift

@@ -11,8 +11,14 @@ struct GenerateConfigurationCommand: AsyncParsableCommand {
     abstract: "\("Generate a local configuration file.".blue)",
     discussion: """
 
-    If a directory is not supplied then a configuration file will be created
-    at \("'~/.config/hpa-playbook/config'".yellow).
+    \("NOTE:".yellow) If a directory is not supplied then a configuration file will be created
+          at \("'~/.config/hpa-playbook/config'".yellow).
+
+    \("Example:".yellow)
+
+      \("Create a directory and generate the configuration file.".green)
+      $ mkdir -p ~/.config/hpa-playbook
+      $ hpa generate-config --path ~/.config/hpa-playbook
 
     """
   )
@@ -24,6 +30,12 @@ struct GenerateConfigurationCommand: AsyncParsableCommand {
   )
   var path: String?
 
+  @Flag(
+    name: .shortAndLong,
+    help: "Generate a json file, instead of default env style"
+  )
+  var json: Bool = false
+
   @OptionGroup var globals: BasicGlobalOptions
 
   mutating func run() async throws {
@@ -48,7 +60,7 @@ struct GenerateConfigurationCommand: AsyncParsableCommand {
         actualPath = "\(path)/config"
       }
 
-      try cliClient.createConfiguration(actualPath)
+      try cliClient.createConfiguration(actualPath, json)
     }
   }
 }

Sources/hpa/GlobalOptions.swift

@@ -22,6 +22,7 @@ struct BasicGlobalOptions: ParsableArguments {
 
 }
 
+@dynamicMemberLookup
 struct GlobalOptions: ParsableArguments {
 
   @Option(
@@ -44,4 +45,9 @@ struct GlobalOptions: ParsableArguments {
 
   @OptionGroup var basic: BasicGlobalOptions
 
+  subscript<T>(dynamicMember keyPath: WritableKeyPath<BasicGlobalOptions, T>) -> T {
+    get { basic[keyPath: keyPath] }
+    set { basic[keyPath: keyPath] = newValue }
+  }
+
 }