Add buffers to "modules info" command output (#332)

CHANGELOG.md

@@ -7,7 +7,7 @@ All notable changes to this project will be documented in this file. The format
 ### Added
 
 - New command-line command `module` outputs information about modules. Currently includes two subcommands:
-  - `info [name]` outputs detailed info about a module - name, version, description, and any parameters. `name` can be a space-separated list of modules or `all`.
+  - `info [name]` outputs detailed info about a module - name, version, description, any buffers, and any parameters. `name` can be a space-separated list of modules or `all`.
   - `list` outputs the list of modules - name, version, and description
 
 ### Changed

actr/modules/modules.go

@@ -28,6 +28,7 @@ type ModuleInterface interface {
 	ModuleVersion() string
 	ModuleDescription() string
 
+	HasBuffers() bool
 	Buffers() buffer.List
 
 	HasParameters() bool
@@ -50,6 +51,10 @@ func (m Module) ModuleDescription() string {
 	return m.Description
 }
 
+func (m Module) HasBuffers() bool {
+	return len(m.BufferList) > 0
+}
+
 func (m Module) Buffers() buffer.List {
 	return m.BufferList
 }

cmd/module.go

@@ -70,6 +70,18 @@ func info(args []string) {
 		fmt.Println(chalk.Header(" Description"))
 		fmt.Printf("  %s\n", mod.ModuleDescription())
 
+		if mod.HasBuffers() {
+			fmt.Println(chalk.Header(" Buffers"))
+
+			writer := tabwriter.NewWriter(os.Stdout, 1, 1, 3, ' ', 0)
+			for _, buffer := range mod.Buffers() {
+				fmt.Fprintf(writer, "\t%s", chalk.Italic(buffer.Name))
+			}
+			writer.Flush()
+
+			fmt.Println("")
+		}
+
 		if mod.HasParameters() {
 			fmt.Println(chalk.Header(" Parameters"))
 			params := mod.Parameters()