From 46f916f38ec8491a81274059048f25f0afb02eec Mon Sep 17 00:00:00 2001
From: Matthew Pomes <matthew.pomes@pm.me>
Date: Sat, 4 Oct 2025 16:29:48 -0500
Subject: [PATCH] Fix dockerfile array parsing

---
 rustup/Dockerfile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/rustup/Dockerfile b/rustup/Dockerfile
index 7b00331..50ef5af 100644
--- a/rustup/Dockerfile
+++ b/rustup/Dockerfile
@@ -30,6 +30,7 @@ RUN curl https://sh.rustup.rs -sSf | \
 ENV PATH=/root/.cargo/bin:$PATH
 
 ARG EXTRA=""
-RUN for name in "$EXTRA"; do rustup install $name; done
+RUN declare -a ARR=($EXTRA); for name in $ARR; do rustup install $name; done
+
 ARG TARGETS=""
-RUN for name in "$TARGETS"; do rustup target add $name; done
+RUN declare -a ARR=($TARGETS); for name in $ARR; do rustup target add $name; done