ci: Fix cases where unset variables cause errors

rust-lang · Nov 18, 2024 · 812f41a · 812f41a
1 parent 59a18de
commit 812f41a
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/ci/install-rust.sh b/ci/install-rust.sh
@@ -4,12 +4,7 @@
 set -eux
 
 echo "Setup toolchain"
-toolchain=
-if [ -n "$TOOLCHAIN" ]; then
-  toolchain=$TOOLCHAIN
-else
-  toolchain=nightly
-fi
+toolchain="${TOOLCHAIN:-nightly}"
 
 if [ "$OS" = "windows" ]; then
     : "${TARGET?The TARGET environment variable must be set.}"