From fd8f022eb1a441ab44092619d18d6e97ac615df2 Mon Sep 17 00:00:00 2001
From: Arun Sharma <arun@sharma-home.net>
Date: Sun, 24 May 2026 13:03:39 -0700
Subject: [PATCH] Save Windows vcpkg cache before tests

---
 .github/workflows/build-and-deploy.yml | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index f4302ca..396825e 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -47,8 +47,9 @@ jobs:
           "commit=$commit" >> $env:GITHUB_OUTPUT
 
       - name: Cache system dependencies (Windows)
+        id: vcpkg-cache
         if: matrix.platform == 'win32'
-        uses: actions/cache@v4
+        uses: actions/cache/restore@v4
         with:
           path: C:\vcpkg-binary-cache
           key: vcpkg-binary-cache-${{ runner.os }}-${{ steps.vcpkg-version.outputs.commit }}-arrow-x64-windows
@@ -80,6 +81,13 @@ jobs:
           # Wire vcpkg into MSBuild so cl.exe finds arrow headers/libs automatically
           vcpkg integrate install
 
+      - name: Save system dependencies cache (Windows)
+        if: matrix.platform == 'win32' && steps.vcpkg-cache.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: C:\vcpkg-binary-cache
+          key: ${{ steps.vcpkg-cache.outputs.cache-primary-key }}
+
       # ── Build ──────────────────────────────────────────────────────────────
       - name: Download icebug prebuilt libs
         shell: bash