feat: Add links for registering git key (#1125)

cli/publickey.go

@@ -1,15 +1,19 @@
 package cli
 
 import (
+	"strings"
+
 	"github.com/spf13/cobra"
 	"golang.org/x/xerrors"
 
+	"github.com/coder/coder/cli/cliui"
 	"github.com/coder/coder/codersdk"
 )
 
 func publickey() *cobra.Command {
 	return &cobra.Command{
-		Use: "publickey",
+		Use:     "publickey",
+		Aliases: []string{"pubkey"},
 		RunE: func(cmd *cobra.Command, args []string) error {
 			client, err := createClient(cmd)
 			if err != nil {
@@ -21,7 +25,16 @@ func publickey() *cobra.Command {
 				return xerrors.Errorf("create codersdk client: %w", err)
 			}
 
-			cmd.Println(key.PublicKey)
+			cmd.Println(cliui.Styles.Wrap.Render(
+				"This is your public key for using " + cliui.Styles.Field.Render("git") + " in " +
+					"Coder. All clones with SSH will be authenticated automatically 🪄.",
+			))
+			cmd.Println()
+			cmd.Println("Add to GitHub and GitLab:")
+			cmd.Println(cliui.Styles.Prompt.String() + "https://github.com/settings/ssh/new")
+			cmd.Println(cliui.Styles.Prompt.String() + "https://gitlab.com/-/profile/keys")
+			cmd.Println()
+			cmd.Println(cliui.Styles.Code.Render(strings.TrimSpace(key.PublicKey)))
 
 			return nil
 		},