From 22eb75fbe04ff33393ccbf79244bf521c2f0c6bb Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Wed, 1 May 2024 09:09:04 -0700
Subject: [PATCH] Add description for CARGO_HOME step

---
 action.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index b2b70d1..9fb35f3 100644
--- a/action.yml
+++ b/action.yml
@@ -68,7 +68,9 @@ runs:
       if: runner.os != 'Windows'
       shell: bash
 
-    - run: echo CARGO_HOME=${CARGO_HOME:-${{runner.os == 'Windows' && '$USERPROFILE' || '$HOME'}}/.cargo} >> $GITHUB_ENV
+    - run: |
+        : set $CARGO_HOME
+        echo CARGO_HOME=${CARGO_HOME:-${{runner.os == 'Windows' && '$USERPROFILE' || '$HOME'}}/.cargo} >> $GITHUB_ENV
       shell: bash
 
     - name: rustup toolchain install ${{steps.parse.outputs.toolchain}}