From c213ad380f349dee1f65e6d9a9f7a8fa669b2af2 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Fri, 17 Nov 2023 22:46:15 -0500
Subject: chore: combine `TestCommandBuilder` with `DenoCmd` (#21248)

---
 cli/tools/upgrade.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'cli/tools/upgrade.rs')

diff --git a/cli/tools/upgrade.rs b/cli/tools/upgrade.rs
index cd886fbd7..c5efa771b 100644
--- a/cli/tools/upgrade.rs
+++ b/cli/tools/upgrade.rs
@@ -593,7 +593,16 @@ fn get_url(
     UpgradeCheckKind::Execution => "",
     UpgradeCheckKind::Lsp => "?lsp",
   };
-  format!("https://dl.deno.land/{}{}", file_name, query_param)
+  format!("{}/{}{}", base_upgrade_url(), file_name, query_param)
+}
+
+fn base_upgrade_url() -> Cow<'static, str> {
+  // this is used to get the current version
+  if let Ok(url) = env::var("DENO_DONT_USE_INTERNAL_BASE_UPGRADE_URL") {
+    Cow::Owned(url)
+  } else {
+    Cow::Borrowed("https://dl.deno.land")
+  }
 }
 
 async fn download_package(
-- 
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