From 676645b1ca3b20d39fd7916fe647cfb103a82e2d Mon Sep 17 00:00:00 2001
From: George Geddes <georgegdds@gmail.com>
Date: Fri, 14 Jun 2024 20:29:56 -0400
Subject: [PATCH] Read studio hostname from config when not present on cli or
 env (#10459)

---
 dvc/commands/studio.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/dvc/commands/studio.py b/dvc/commands/studio.py
index 2f38dea41..fefad181f 100644
--- a/dvc/commands/studio.py
+++ b/dvc/commands/studio.py
@@ -18,11 +18,16 @@ class CmdStudioLogin(CmdConfig):
         from dvc.utils.studio import STUDIO_URL
         from dvc_studio_client.auth import StudioAuthError, get_access_token
 
+        studio = self.config.get("studio", {})
         name = self.args.name
-        hostname = self.args.hostname or os.environ.get(DVC_STUDIO_URL) or STUDIO_URL
+        hostname = (
+            self.args.hostname
+            or os.environ.get(DVC_STUDIO_URL)
+            or studio.get("url")
+            or STUDIO_URL
+        )
         scopes = self.args.scopes
 
-        studio = self.config.get("studio", {})
         if studio.get("url", hostname) == hostname and "token" in studio:
             raise DvcException(
                 "Token already exists. "