Add tea whoami command (#426)

The User print will be used in future for list of users for admin

Co-authored-by: Matti R <matti@mdranta.net>
Reviewed-on: https://gitea.com/gitea/tea/pulls/426
Reviewed-by: Norwin <noerw@noreply.gitea.io>
Reviewed-by: Alexey 〒erentyev <axifive@noreply.gitea.io>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-committed-by: techknowlogick <techknowlogick@gitea.io>

cmd/whoami.go

@@ -0,0 +1,27 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package cmd
+
+import (
+	"code.gitea.io/tea/modules/context"
+	"code.gitea.io/tea/modules/print"
+
+	"github.com/urfave/cli/v2"
+)
+
+// CmdWhoami represents the command to show current logged in user
+var CmdWhoami = cli.Command{
+	Name:        "whoami",
+	Category:    catSetup,
+	Description: `For debugging purposes, show the user that is currently logged in.`,
+	Usage:       "Show current logged in user",
+	Action: func(cmd *cli.Context) error {
+		ctx := context.InitCommand(cmd)
+		client := ctx.Login.Client()
+		user, _, _ := client.GetMyUserInfo()
+		print.UserDetails(user)
+		return nil
+	},
+}