Mount gh codespace command

go.mod

@@ -45,3 +45,4 @@ require (
 )
 
 replace github.com/shurcooL/graphql => github.com/cli/shurcooL-graphql v0.0.0-20200707151639-0f7232a2bf7e
+replace golang.org/x/crypto => ./internal/crypto

pkg/cmd/root/root.go

@@ -2,8 +2,12 @@ package root
 
 import (
 	"net/http"
+	"os"
 
 	"github.com/MakeNowJust/heredoc"
+	"github.com/cli/cli/v2/cmd/ghcs"
+	"github.com/cli/cli/v2/cmd/ghcs/output"
+	ghcsApi "github.com/cli/cli/v2/internal/api"
 	actionsCmd "github.com/cli/cli/v2/pkg/cmd/actions"
 	aliasCmd "github.com/cli/cli/v2/pkg/cmd/alias"
 	apiCmd "github.com/cli/cli/v2/pkg/cmd/api"
@@ -105,6 +109,15 @@ func NewCmdRoot(f *cmdutil.Factory, version, buildDate string) *cobra.Command {
 	referenceCmd.SetHelpFunc(referenceHelpFn(f.IOStreams))
 	cmd.AddCommand(referenceCmd)
 
+	ghcsApp := ghcs.NewApp(
+		output.NewLogger(f.IOStreams.Out, f.IOStreams.ErrOut, !f.IOStreams.IsStdoutTTY()),
+		ghcsApi.New(os.Getenv("GITHUB_TOKEN"), http.DefaultClient),
+	)
+	ghcsCmd := ghcs.NewRootCmd(ghcsApp)
+	ghcsCmd.Use = "codespace"
+	ghcsCmd.Aliases = []string{"cs"}
+	cmd.AddCommand(ghcsCmd)
+
 	cmdutil.DisableAuthCheck(cmd)
 
 	// this needs to appear last: