From 9b859d3fc508d292e3865c47151b179725f7bb23 Mon Sep 17 00:00:00 2001
From: mg-twentyone <36_twentyone@proton.me>
Date: Thu, 2 Oct 2025 17:59:24 +0200
Subject: [PATCH] fix: add rustup default check in toolchain install step

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

diff --git a/action.yml b/action.yml
index adfaf9b..50dede3 100644
--- a/action.yml
+++ b/action.yml
@@ -179,6 +179,10 @@ runs:
           # rustup toolchain install is the new explicit way
           # https://github.com/rust-lang/rustup/issues/3635#issuecomment-2343511297
           rustup show active-toolchain || rustup toolchain install
+          if ! rustup default &>/dev/null; then
+            TOOLCHAIN=$(rustup show active-toolchain 2>/dev/null | awk '{print $1}' | sed 's/-.*//')
+            [[ -n "$TOOLCHAIN" ]] && rustup default "$TOOLCHAIN" || rustup default stable
+          fi
           if [[ -n $components ]]; then
             rustup component add ${components//,/ }
           fi