Update changelog for windows support

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.12.0] - 2025-04-23
+
+* Add support for installing rustup on Windows (#58 by @maennchen)
+    This adds support for using Rust on the GitHub provided Windows ARM runners.
+
 ## [1.11.0] - 2025-02-24
 
 * Add new parameter `cache-bin` that is propagated to `Swatinem/rust-cache` as `cache-bin` (#51 by @enkhjile)

README.md

@@ -97,7 +97,7 @@ PRs to add support for more environments are welcome.
 
 * bash 5
 * brew (macOS only)
-* rustup or curl (Linux and macOS)
+* rustup or curl
 * using other node actions
 
 ## License

action.yml

@@ -130,13 +130,20 @@ runs:
       run: echo "::add-matcher::${{ github.action_path }}/rust.json"
 
     - name: Install rustup, if needed
-      if: runner.os != 'Windows'
       shell: bash
       run: |
         if ! command -v rustup &> /dev/null ; then
           curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused -fsSL "https://sh.rustup.rs" | sh -s -- --default-toolchain none -y
-          echo "${CARGO_HOME:-$HOME/.cargo}/bin" >> $GITHUB_PATH
+          
+          # Resolve the correct CARGO_HOME path depending on OS
+          if [[ "$RUNNER_OS" == "Windows" ]]; then
+            echo "${CARGO_HOME:-$USERPROFILE/.cargo}/bin" | sed 's|/|\\|g' >> $GITHUB_PATH
+          else
+            echo "${CARGO_HOME:-$HOME/.cargo}/bin" >> $GITHUB_PATH
+          fi
         fi
+      env:
+        RUNNER_OS: "${{ runner.os }}"
 
     - name: rustup toolchain install ${{inputs.toolchain || 'stable'}}
       env: