From 1c5b98dc20959074007f8ad7c8515dd3b145f04f Mon Sep 17 00:00:00 2001
From: Jeroen Ooms <jeroenooms@gmail.com>
Date: Tue, 2 Dec 2025 21:43:24 +0100
Subject: [PATCH] Strip URL parameters for local filename

---
 src/library/utils/R/packages.R | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/library/utils/R/packages.R b/src/library/utils/R/packages.R
index dae3cb9bb46..eba9e7f0572 100644
--- a/src/library/utils/R/packages.R
+++ b/src/library/utils/R/packages.R
@@ -853,7 +853,9 @@ download.packages <- function(pkgs, destdir, available = NULL,
                             domain = NA, immediate. = TRUE)
             } else {
                 url <- paste(repos, fn, sep = "/")
-                destfile <- file.path(destdir, fn)
+
+                # Strip URL parameters for local filename: pkg_1.0.tar.gz?somekey=12345
+                destfile <- file.path(destdir, sub("\\?.*$", "", fn))
 
                 if (is.null(bulkdown)) {
                     # serial download