From a79600db93820fdeec60400592e8f5a5bd1c9d85 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 16 Aug 2025 21:30:19 +0900
Subject: [PATCH 1/2] CI: windows: Use possibly faster device for TMP/TEMP

---
 .github/workflows/windows.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 9137e5298a9b1b..e853471b05a997 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -113,8 +113,8 @@ jobs:
             -arch=${{ matrix.target || 'amd64' }} ^
             ${{ matrix.vcvars && '-vcvars_ver=' || '' }}${{ matrix.vcvars }}
           nmake -f nul
-          set TMP=%USERPROFILE%\AppData\Local\Temp
-          set TEMP=%USERPROFILE%\AppData\Local\Temp
+          set TMP=%RUNNER_TEMP%
+          set TEMP=%RUNNER_TEMP%
           set MAKEFLAGS=l
           set /a TEST_JOBS=(15 * %NUMBER_OF_PROCESSORS% / 10) > nul
           set RUBY_OPT_DIR=%GITHUB_WORKSPACE:\=/%/src/vcpkg_installed/%VCPKG_DEFAULT_TRIPLET%

From 4d0836d928839ff13580f5e5b74a40b3914d9f59 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 16 Aug 2025 21:38:03 +0900
Subject: [PATCH 2/2] CI: windows: Skip rebuilding vcpkg packages when cache
 restored

---
 .github/workflows/windows.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index e853471b05a997..0b7bf25d95ff0b 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -85,6 +85,7 @@ jobs:
         shell: pwsh
 
       - name: Restore vcpkg artifact
+        id: restore-vcpkg
         uses: actions/cache/restore@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: src\vcpkg_installed
@@ -94,13 +95,14 @@ jobs:
         run: |
           vcpkg install --vcpkg-root=%USERPROFILE%\scoop\apps\vcpkg\current
         working-directory: src
+        if: ${{ ! steps.restore-vcpkg.outputs.cache-hit }}
 
       - name: Save vcpkg artifact
         uses: actions/cache/save@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
         with:
           path: src\vcpkg_installed
           key: windows-${{ matrix.os }}-vcpkg-${{ hashFiles('src/vcpkg.json') }}
-        if: ${{ github.ref_name == 'master' || startsWith(github.ref_name, 'ruby_') }}
+        if: ${{ ! steps.restore-vcpkg.outputs.cache-hit && (github.ref_name == 'master' || startsWith(github.ref_name, 'ruby_')) }}
 
       - name: setup env
         # Available Ruby versions: https://github.com/actions/runner-images/blob/main/images/windows/Windows2019-Readme.md#ruby