Move completion command out of root package

pkg/cmd/completion/completion.go

@@ -1,4 +1,4 @@
-package root
+package completion
 
 import (
 	"errors"
@@ -6,11 +6,11 @@ import (
 
 	"github.com/MakeNowJust/heredoc"
 	"github.com/cli/cli/pkg/cmdutil"
-	"github.com/cli/cli/pkg/iostreams"
 	"github.com/spf13/cobra"
 )
 
-func NewCmdCompletion(io *iostreams.IOStreams) *cobra.Command {
+func NewCmdCompletion(f *cmdutil.Factory) *cobra.Command {
+	io := f.IOStreams
 	var shellType string
 
 	cmd := &cobra.Command{

pkg/cmd/completion/completion_test.go

@@ -1,9 +1,10 @@
-package root
+package completion
 
 import (
 	"strings"
 	"testing"
 
+	"github.com/cli/cli/pkg/cmdutil"
 	"github.com/cli/cli/pkg/iostreams"
 	"github.com/google/shlex"
 	"github.com/spf13/cobra"
@@ -45,7 +46,10 @@ func TestNewCmdCompletion(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			io, _, stdout, stderr := iostreams.Test()
-			completeCmd := NewCmdCompletion(io)
+			f := &cmdutil.Factory{
+				IOStreams: io,
+			}
+			completeCmd := NewCmdCompletion(f)
 			rootCmd := &cobra.Command{Use: "gh"}
 			rootCmd.AddCommand(completeCmd)
 

pkg/cmd/root/root.go

@@ -13,6 +13,7 @@ import (
 	aliasCmd "github.com/cli/cli/pkg/cmd/alias"
 	apiCmd "github.com/cli/cli/pkg/cmd/api"
 	authCmd "github.com/cli/cli/pkg/cmd/auth"
+	completionCmd "github.com/cli/cli/pkg/cmd/completion"
 	configCmd "github.com/cli/cli/pkg/cmd/config"
 	"github.com/cli/cli/pkg/cmd/factory"
 	gistCmd "github.com/cli/cli/pkg/cmd/gist"
@@ -88,7 +89,7 @@ func NewCmdRoot(f *cmdutil.Factory, version, buildDate string) *cobra.Command {
 	cmd.AddCommand(configCmd.NewCmdConfig(f))
 	cmd.AddCommand(creditsCmd.NewCmdCredits(f, nil))
 	cmd.AddCommand(gistCmd.NewCmdGist(f))
-	cmd.AddCommand(NewCmdCompletion(f.IOStreams))
+	cmd.AddCommand(completionCmd.NewCmdCompletion(f))
 
 	// Help topics
 	cmd.AddCommand(NewHelpTopic("environment"))