Add github-binarycache option to use built in cache

.github/workflows/clear_cache.yml

@@ -0,0 +1,12 @@
+name: Clear all Github actions caches 
+on:
+  workflow_dispatch:
+
+jobs:
+  my-job:
+    name: Delete all caches
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Clear caches
+        uses: easimon/wipe-cache@main

.github/workflows/main.yml

@@ -10,14 +10,27 @@ jobs:
     runs-on: ${{ matrix.config.os }}
     name: test-vcpkg-action
     strategy:
+      fail-fast: false
       matrix:
         config:
         - os: ubuntu-20.04
           vcpkg_triplet: x64-linux-release
+          github-binarycache: false
         - os: macos-11
           vcpkg_triplet: x64-osx-release
+          github-binarycache: false
         - os: windows-2019
           vcpkg_triplet: x64-windows-release
+          github-binarycache: false
+        - os: ubuntu-20.04
+          vcpkg_triplet: x64-linux-release
+          github-binarycache: true
+        - os: macos-11
+          vcpkg_triplet: x64-osx-release
+          github-binarycache: true
+        - os: windows-2019
+          vcpkg_triplet: x64-windows-release
+          github-binarycache: true
     steps:
       - uses: actions/checkout@v3
       - name: vcpkg build
@@ -29,6 +42,7 @@ jobs:
           cache-key: ${{ matrix.config.os }}
           revision: master
           token: ${{ github.token }}
+          github-binarycache: ${{ matrix.config.github-binarycache }}
       - name: tree
         if: runner.os == 'Windows'
         shell: cmd
@@ -41,14 +55,27 @@ jobs:
     runs-on: ${{ matrix.config.os }}
     name: test-vcpkg-action-latest-vcpkg-release
     strategy:
+      fail-fast: false
       matrix:
         config:
         - os: ubuntu-20.04
           vcpkg_triplet: x64-linux-release
+          github-binarycache: false
+        - os: macos-11
+          vcpkg_triplet: x64-osx-release
+          github-binarycache: false
+        - os: windows-2019
+          vcpkg_triplet: x64-windows-release
+          github-binarycache: false
+        - os: ubuntu-20.04
+          vcpkg_triplet: x64-linux-release
+          github-binarycache: true
         - os: macos-11
           vcpkg_triplet: x64-osx-release
+          github-binarycache: true
         - os: windows-2019
           vcpkg_triplet: x64-windows-release
+          github-binarycache: true
     steps:
       - uses: actions/checkout@v3
       - name: vcpkg build
@@ -59,6 +86,7 @@ jobs:
           triplet: ${{ matrix.config.vcpkg_triplet }}
           cache-key: ${{ matrix.config.os }}
           token: ${{ github.token }}
+          github-binarycache: ${{ matrix.config.github-binarycache }}
       - name: tree
         if: runner.os == 'Windows'
         shell: cmd
@@ -71,14 +99,27 @@ jobs:
     runs-on: ${{ matrix.config.os }}
     name: test-manifest
     strategy:
+      fail-fast: false
       matrix:
         config:
         - os: ubuntu-20.04
           vcpkg_triplet: x64-linux-release
+          github-binarycache: false
+        - os: macos-11
+          vcpkg_triplet: x64-osx-release
+          github-binarycache: false
+        - os: windows-2019
+          vcpkg_triplet: x64-windows-release
+          github-binarycache: false
+        - os: ubuntu-20.04
+          vcpkg_triplet: x64-linux-release
+          github-binarycache: true
         - os: macos-11
           vcpkg_triplet: x64-osx-release
+          github-binarycache: true
         - os: windows-2019
           vcpkg_triplet: x64-windows-release
+          github-binarycache: true
     steps:
       - uses: actions/checkout@v3
       - name: vcpkg build
@@ -89,6 +130,7 @@ jobs:
           cache-key: ${{ matrix.config.os }}
           token: ${{ github.token }}
           manifest-dir: ${{ github.workspace }}/.github/manifest
+          github-binarycache: ${{ matrix.config.github-binarycache }}
       - name: cmake configure
         run: >
-          cmake ${{ steps.vcpkg.outputs.vcpkg-cmake-config }} -S ${{ github.workspace }}/.github/cmake_test -B cmake_build 
+          cmake ${{ steps.vcpkg.outputs.vcpkg-cmake-config }} -S ${{ github.workspace }}/.github/cmake_test -B cmake_build

README.md

@@ -4,8 +4,7 @@
 features:
 
 * Simplicity
-* Use of a "dry-run" build to generate a unique cache key for the configuration. This guarantees that if packages
-  change, the cache will be rebuilt, but avoids rebuilding when it isn't necessary.
+* Uses vcpkg built-in GitHub caching feature (NEW) OR Use of a "dry-run" build to generate a unique cache key for the configuration. 
 * Optionally supports reading `vcpkg.json` manifest files
 
 `vcpkg` is cloned to the `${{ github.workspace }}\vcpkg` directory, and the build products are located in
@@ -37,6 +36,7 @@ Simple usage example:
     pkgs: boost-date-time boost-system
     triplet: x64-windows-release
     token: ${{ github.token }}
+    github-binarycache: true
 ```
 
 Simple manifest example:
@@ -49,6 +49,7 @@ Simple manifest example:
     manifest-dir: ${{ github.workspace }} # Set to directory containing vcpkg.json
     triplet: x64-windows-release
     token: ${{ github.token }}
+    github-binarycache: true
 ```
 
 
@@ -75,6 +76,9 @@ Simple manifest example:
     token: ''
     # Directory containing vcpkg.json manifest file. Cannot be used with pkgs.
     manifest-dir: ''
+    github-binarycache: ''
+    # "Use vcpkg built-in GitHub binary caching if "true". If not specified, will use the dry-run based file cache."
+    # Recommended set to "true"
 
 ```
 
@@ -106,5 +110,6 @@ jobs:
           cache-key: ${{ matrix.config.os }}
           revision: master
           token: ${{ github.token }}
+          github-binarycache: true
 ```
 

action.yml

@@ -29,6 +29,10 @@ inputs:
     description: Directory containing vcpkg.json manifest file. Cannot be used with pkgs.
     required: false
     default: ''
+  github-binarycache:
+    description: "Use vcpkg built-in GitHub binary caching. If not specified, will use the dry-run based file cache."
+    required: false
+    default: ''
 outputs:
   vcpkg-cmake-config:
     description: Configure options for cmake to use vcpkg
@@ -84,61 +88,66 @@ runs:
     shell: bash
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
+  - name: set-binarycache-variable
+    if: inputs.github-binarycache != 'true' && inputs.github-binarycache != true
+    shell: bash
+    run: |
+      echo VCPKG_DEFAULT_BINARY_CACHE='${{ github.workspace }}/vcpkg_cache' >> $GITHUB_ENV
+      mkdir -p '${{ github.workspace }}/vcpkg_cache'
   - name: vcpkg-dry-run-win
-    if: runner.os == 'Windows' && inputs.manifest-dir == ''
+    if: runner.os == 'Windows' && inputs.manifest-dir == '' && inputs.github-binarycache != 'true' && inputs.github-binarycache != true
     working-directory: ${{ github.workspace }}\vcpkg
     shell: powershell
     run: |
-      $VCPKG_DEFAULT_BINARY_CACHE = "${{ github.workspace }}\vcpkg_cache"
-      mkdir $VCPKG_DEFAULT_BINARY_CACHE
       & "${{ github.workspace }}/vcpkg/vcpkg.exe" install --dry-run --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }} | Tee-Object -FilePath vcpkg_dry_run.txt
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
   - name: vcpkg-dry-run-unix
-    if: runner.os != 'Windows' && inputs.manifest-dir == ''
+    if: runner.os != 'Windows' && inputs.manifest-dir == '' && inputs.github-binarycache != 'true' && inputs.github-binarycache != true
     working-directory: ${{ github.workspace }}/vcpkg
     shell: bash
     run: |
-      export VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}/vcpkg_cache
-      mkdir $VCPKG_DEFAULT_BINARY_CACHE
       "${{ github.workspace }}/vcpkg/vcpkg" install --dry-run --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }} | tee vcpkg_dry_run.txt
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
   - name: vcpkg-dry-run-win-manifest
-    if: runner.os == 'Windows' && inputs.manifest-dir != ''
+    if: runner.os == 'Windows' && inputs.manifest-dir != '' && inputs.github-binarycache != 'true' && inputs.github-binarycache != true
     working-directory: ${{ github.workspace }}\vcpkg
     shell: powershell
     run: |
-      $VCPKG_DEFAULT_BINARY_CACHE = "${{ github.workspace }}\vcpkg_cache"
-      mkdir $VCPKG_DEFAULT_BINARY_CACHE
       & "${{ github.workspace }}/vcpkg/vcpkg.exe" install --dry-run --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} --x-manifest-root=${{ inputs.manifest-dir }} --x-install-root=${{ github.workspace }}\vcpkg\installed | Tee-Object -FilePath vcpkg_dry_run.txt
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
   - name: vcpkg-dry-run-unix-manifest
-    if: runner.os != 'Windows' && inputs.manifest-dir != ''
+    if: runner.os != 'Windows' && inputs.manifest-dir != '' && inputs.github-binarycache != 'true' && inputs.github-binarycache != true
     working-directory: ${{ github.workspace }}/vcpkg
     shell: bash
     run: |
-      export VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}/vcpkg_cache
-      mkdir $VCPKG_DEFAULT_BINARY_CACHE
       "${{ github.workspace }}/vcpkg/vcpkg" install --dry-run --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} --x-manifest-root=${{ inputs.manifest-dir }} --x-install-root=${{ github.workspace }}/vcpkg/installed | tee vcpkg_dry_run.txt
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
   - name: cache-vcpkg-archives
-    if: ${{ inputs.disable_cache != 'true' }}
+    if: ${{ inputs.disable_cache != 'true' }} && inputs.github-binarycache != 'true' && inputs.github-binarycache != true
     id: cache-vcpkg-archives
     uses: pat-s/always-upload-cache@v3
     with:
       path: ${{ github.workspace }}/vcpkg_cache
       key: ${{ runner.os }}-${{ inputs.triplet }}-vcpkg-${{ hashFiles('vcpkg/vcpkg_dry_run.txt') }}-${{ inputs.cache-key }}
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
+  - name: Export GitHub Actions cache environment variables
+    if: (inputs.disable_cache != 'true' && inputs.disable_cache != true) &&  (inputs.github-binarycache == 'true' || inputs.github-binarycache == true)
+    uses: actions/github-script@v6
+    with:
+      script: |
+        core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
+        core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
+        core.exportVariable('VCPKG_BINARY_SOURCES', "clear;x-gha,readwrite");
   - name: build-vcpkg-win
     if: runner.os == 'Windows' && inputs.manifest-dir == ''
     shell: cmd
     working-directory: ${{ github.workspace }}\vcpkg
     run: |
-      set VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}\vcpkg_cache
       "${{ github.workspace }}/vcpkg/vcpkg.exe" install --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }}
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
@@ -147,7 +156,6 @@ runs:
     shell: bash
     working-directory: ${{ github.workspace }}/vcpkg
     run: |
-      export VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}/vcpkg_cache
       "${{ github.workspace }}/vcpkg/vcpkg" install --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} ${{ inputs.pkgs }}
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
@@ -156,7 +164,6 @@ runs:
     shell: cmd
     working-directory: ${{ github.workspace }}\vcpkg
     run: |
-      set VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}\vcpkg_cache
       "${{ github.workspace }}/vcpkg/vcpkg.exe" install --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} --x-manifest-root=${{ inputs.manifest-dir }} --x-install-root=${{ github.workspace }}/vcpkg/installed
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"
@@ -165,7 +172,6 @@ runs:
     shell: bash
     working-directory: ${{ github.workspace }}/vcpkg
     run: |
-      export VCPKG_DEFAULT_BINARY_CACHE=${{ github.workspace }}/vcpkg_cache
       "${{ github.workspace }}/vcpkg/vcpkg" install --triplet ${{ inputs.triplet }} ${{ inputs.extra-args }} --x-manifest-root=${{ inputs.manifest-dir }} --x-install-root=${{ github.workspace }}/vcpkg/installed
     env:
       VCPKG_ROOT: "${{ github.workspace }}/vcpkg"