Use vcpkg's internal github actions binary caching (#49)

.github/workflows/ci.yml

@@ -11,7 +11,6 @@ on:
     - cron: '30 2 * * 1,4' # Every Monday and Thursday @ 2h30am UTC
 
 env:
-  VCPKG_DEFAULT_BINARY_CACHE: /tmp/vcpkg-archives
   VCPKG_INSTALLED_DIR: /tmp/vcpkg_installed
   ARTIFACT_NAME: distribution
 
@@ -74,19 +73,12 @@ jobs:
       - name: Checkout source
         uses: actions/checkout@v3
 
-      - name: Create VCPKG binary asset folder
-        run: mkdir -p ${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
-
-      - name: Cache VCPKG binary assets
-        id: cache-vcpkg
-        uses: actions/cache@v3
+      - name: Get Github Action Cache Variables
+        uses: actions/github-script@v6
         with:
-          key: "vcpkg-cache-\
-            [${{ matrix.platform[0] }}]-\
-            [${{ matrix.platform[2] }}]-\
-            ${{ hashfiles('.env', 'vcpkg/manifest/vcpkg.json', 'vcpkg/overlay-ports/*', \
-                          format('vcpkg/overlay-triplets/{0}.cmake', matrix.platform[2])) }}"
-          path: ${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
+          script: |
+            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
 
       - name: Run cibuildwheel
         uses: pypa/[email protected]
@@ -95,7 +87,9 @@ jobs:
           CIBW_BUILD_FRONTEND: build
           CIBW_BEFORE_ALL_LINUX: yum install -y zip flex bison gcc-gfortran
           CIBW_ENVIRONMENT_LINUX: >
-            VCPKG_DEFAULT_BINARY_CACHE=/host/${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
+            ACTIONS_CACHE_URL=${{ env.ACTIONS_CACHE_URL }}
+            ACTIONS_RUNTIME_TOKEN=${{ env.ACTIONS_RUNTIME_TOKEN }}
+            VCPKG_BINARY_SOURCES="clear;x-gha,readwrite"
             VCPKG_TARGET_TRIPLET=${{ matrix.platform[2] }}
             VCPKG_INSTALLED_DIR=${{ env.VCPKG_INSTALLED_DIR }}
             LD_LIBRARY_PATH=${{ env.VCPKG_INSTALLED_DIR }}/${{ matrix.platform[2] }}/lib

HISTORY.rst

@@ -5,6 +5,7 @@ History
 X.Y.Z (YYYY-MM-DD)
 ------------------
 * Use ccache, if available (:pr:`50`)
+* Use vcpkg's internal github actions binary caching (:pr:`49`)
 * Generalise the opening and creation of Tables (:pr:`48`)
 * Optimise storage and passing of TableProxy objects (:pr:`46`)
 * Convert SAFE_TABLE_FUNCTOR from macro to template function (:pr:`45`)