From adede8fa61a6018b06752d442c305535156a9d3c Mon Sep 17 00:00:00 2001
From: Bryan Wong <bryanwong@ecuad.ca>
Date: Wed, 24 Jun 2026 12:14:06 -0700
Subject: [PATCH] Fix download timeout: use 10min HttpClient and
 ResponseHeadersRead

---
 Program.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Program.cs b/Program.cs
index 463696d..65ae5f2 100644
--- a/Program.cs
+++ b/Program.cs
@@ -981,11 +981,15 @@ static async Task DownloadAndInstallPackage(string displayName, string url, stri
                 Logger.WriteSubProgress("Downloading from", url);
                 DialogManager.Instance.NotifyDownloadStarted(displayName);
                 
-                using var httpClient = new HttpClient();
+                // Use a 10-minute timeout so large MSIs (e.g. CimianTools ARM64) don't hit
+                // the 100-second HttpClient default on slow links. ResponseHeadersRead lets
+                // GetAsync return as soon as headers arrive; the body streams via CopyToAsync
+                // which is not subject to HttpClient.Timeout.
+                using var httpClient = new HttpClient { Timeout = TimeSpan.FromMinutes(10) };
                 var authHeader = ConfigManager.Instance.Config.AuthorizationHeader;
                 if (!string.IsNullOrEmpty(authHeader))
                     httpClient.DefaultRequestHeaders.TryAddWithoutValidation("Authorization", authHeader);
-                using var response = await httpClient.GetAsync(url);
+                using var response = await httpClient.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
                 if (!response.IsSuccessStatusCode)
                 {
                     throw new Exception($"Download failed: {response.StatusCode}");