From 858855e86b8a7b454bfcfff2ef26620dd5e0f0a5 Mon Sep 17 00:00:00 2001
From: Fan-iX <61686936+Fan-iX@users.noreply.github.com>
Date: Wed, 19 Aug 2026 21:02:34 +0800
Subject: [PATCH 1/2] support `BIOCONDUCTOR_CONFIG_FILE` option for bioc config
 url

---
 R/bioc.R | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/R/bioc.R b/R/bioc.R
index d84c351e..0573875f 100644
--- a/R/bioc.R
+++ b/R/bioc.R
@@ -95,7 +95,10 @@ bioconductor <- local({
   config_url <- function() {
     Sys.getenv(
       "R_BIOC_CONFIG_URL",
-      "https://bioconductor.posit.co/config.yaml"
+      getOption(
+        "BIOCONDUCTOR_CONFIG_FILE",
+        "https://bioconductor.posit.co/config.yaml"
+      )
     )
   }
 

From ceae4ec7171335d538398f186334093b6aa8a4c1 Mon Sep 17 00:00:00 2001
From: Fan-iX <61686936+Fan-iX@users.noreply.github.com>
Date: Wed, 19 Aug 2026 21:13:15 +0800
Subject: [PATCH 2/2] update tests for `BIOCONDUCTOR_CONFIG_FILE` option

---
 tests/testthat/helper-apps.R | 1 +
 tests/testthat/test-bioc.R   | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/tests/testthat/helper-apps.R b/tests/testthat/helper-apps.R
index 7cc1a4f9..4beb4795 100644
--- a/tests/testthat/helper-apps.R
+++ b/tests/testthat/helper-apps.R
@@ -55,6 +55,7 @@ setup_fake_apps <- function(.local_envir = parent.frame()) {
   withr::local_options(
     repos = c(CRAN = fake_cran$url()),
     pkg.cran_metadata_url = fake_cran$url(),
+    BIOCONDUCTOR_CONFIG_FILE = paste0(fake_bioc$url(), "/config.yaml"),
     .local_envir = .local_envir
   )
   withr::local_envvar(
diff --git a/tests/testthat/test-bioc.R b/tests/testthat/test-bioc.R
index 81b75403..6edadf31 100644
--- a/tests/testthat/test-bioc.R
+++ b/tests/testthat/test-bioc.R
@@ -49,10 +49,10 @@ test_that("get_matching_bioc_version errors helpfully on download failure", {
   app <- webfakes::new_app()
   app$get("/config.yaml", function(req, res) res$send(""))
   proc <- webfakes::local_app_process(app)
-  withr::local_envvar(
-    R_BIOC_CONFIG_URL = paste0(proc$url(), "/config.yaml"),
-    R_BIOC_VERSION = NA_character_
+  withr::local_options(
+    BIOCONDUCTOR_CONFIG_FILE = paste0(proc$url(), "/config.yaml")
   )
+  withr::local_envvar(R_BIOC_VERSION = NA_character_)
 
   gmbv <- bioconductor$.internal$get_matching_bioc_version
   fake(gmbv, "getRversion", function() package_version("1.0.0"))