Move workflow to its own package

This causes the workflow command to have the same capabilities and
restrictions as any other plugin.

cmd/plugins.go

@@ -3,18 +3,15 @@ package cmd
 import (
 	"io"
 
-	// "github.com/ian-howell/exampleplugin"
 	"github.com/spf13/cobra"
+
+	"github.com/ian-howell/airshipctl/cmd/workflow"
+
+	// "github.com/ian-howell/exampleplugin"
 )
 
-// builtinPlugins are the plugins that are built and maintained by the
-// airshipctl team. They may be disabled if desired
-var builtinPlugins = []func(io.Writer, []string) *cobra.Command{
-	NewWorkflowCommand,
-}
-
-// externalPlugins are external. The function to create a command should be
-// placed here
-var externalPlugins = []func(io.Writer, []string) *cobra.Command{
+// pluginCommands are the functions that create the entrypoint command for a plugin
+var pluginCommands = []func(io.Writer, []string) *cobra.Command{
 	// exampleplugin.NewExampleCommand, // This is an example and shouldn't be enabled in production builds
+	workflow.NewWorkflowCommand,
 }

cmd/root.go

@@ -47,14 +47,9 @@ func Execute(out io.Writer) {
 	}
 }
 
-// loadPluginCommands finds all of the plugins in the builtinPlugins and
-// externalPlugins datastructures, and loads them as subcommands to cmd
+// loadPluginCommands loads all of the plugins as subcommands to cmd
 func loadPluginCommands(cmd *cobra.Command, out io.Writer, args []string) {
-	for _, subcmd := range builtinPlugins {
-		cmd.AddCommand(subcmd(out, args))
-	}
-
-	for _, subcmd := range externalPlugins {
+	for _, subcmd := range pluginCommands {
 		cmd.AddCommand(subcmd(out, args))
 	}
 }

cmd/workflow/workflow.go

@@ -1,4 +1,4 @@
-package cmd
+package workflow
 
 import (
 	"io"

cmd/workflow/workflow_init.go

@@ -1,4 +1,4 @@
-package cmd
+package workflow
 
 import (
 	"fmt"

cmd/workflow/workflow_list.go

@@ -1,4 +1,4 @@
-package cmd
+package workflow
 
 import (
 	"fmt"