From 5623fd18aa5456bd2c6cc85651a91a84c433e011 Mon Sep 17 00:00:00 2001
From: Jordan Petridis <jordan@centricular.com>
Date: Tue, 13 Aug 2024 15:43:09 +0300
Subject: [PATCH] ci: Add comments to the windows dockerfile about build-args

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1506>
---
 ci/windows-docker/Dockerfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ci/windows-docker/Dockerfile b/ci/windows-docker/Dockerfile
index 00b27da61..9d3379882 100644
--- a/ci/windows-docker/Dockerfile
+++ b/ci/windows-docker/Dockerfile
@@ -4,7 +4,10 @@ FROM "registry.freedesktop.org/gstreamer/gstreamer/amd64/windows:2023-07-17.0-ma
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ARG DEFAULT_BRANCH="1.24"
+# These arguments are always required to be specified with --build-arg
+# when building the image.
+# See DOCKER_BUILD_ARGS in .gitlab-ci.yml for an example
+ARG DEFAULT_BRANCH="invalid"
 ARG RUST_VERSION="invalid"
 
 RUN choco install -y pkgconfiglite nasm llvm openssl