ci: cache Windows compiler dependencies

Author: matyhtf

.github/workflows/windows-build.yml

@@ -41,7 +41,8 @@ jobs:
           phpts: nts
           update: true
 
-      - name: Install matching PHP development SDK
+      - name: Resolve PHP build environment
+        id: php-build-env
         shell: pwsh
         run: |
           $ErrorActionPreference = 'Stop'
@@ -51,23 +52,49 @@ jobs:
           $phpHome = Split-Path -Parent $phpExe
           $archiveName = "php-devel-pack-$phpVersion-nts-Win32-vs17-x64.zip"
           $archive = Join-Path $env:RUNNER_TEMP $archiveName
+
+          "PHP_VERSION=$phpVersion" | Out-File $env:GITHUB_ENV -Append -Encoding utf8
+          "PHP_HOME=$phpHome" | Out-File $env:GITHUB_ENV -Append -Encoding utf8
+          "PHPX_HOME=${{ github.workspace }}\vendor\swoole\phpx" |
+              Out-File $env:GITHUB_ENV -Append -Encoding utf8
+          "PHP_DEVEL_ARCHIVE=$archive" | Out-File $env:GITHUB_ENV -Append -Encoding utf8
+          "version=$phpVersion" | Out-File $env:GITHUB_OUTPUT -Append -Encoding utf8
+          "archive=$archive" | Out-File $env:GITHUB_OUTPUT -Append -Encoding utf8
+
+      - name: Cache PHP development package
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.php-build-env.outputs.archive }}
+          key: windows-2022-php-devel-${{ steps.php-build-env.outputs.version }}-nts-vs17-x64
+
+      - name: Install matching PHP development SDK
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = 'Stop'
+
+          $phpVersion = $env:PHP_VERSION
+          $phpHome = $env:PHP_HOME
+          $archive = $env:PHP_DEVEL_ARCHIVE
+          $archiveName = Split-Path -Leaf $archive
           $extractDir = Join-Path $env:RUNNER_TEMP "php-devel-$phpVersion"
-          $downloaded = $false
 
-          foreach ($baseUrl in @(
-              'https://downloads.php.net/~windows/releases',
-              'https://downloads.php.net/~windows/releases/archives'
-          )) {
-              try {
-                  Invoke-WebRequest -Uri "$baseUrl/$archiveName" -OutFile $archive
-                  $downloaded = $true
-                  break
-              } catch {
-                  Remove-Item $archive -Force -ErrorAction SilentlyContinue
+          if (-not (Test-Path $archive)) {
+              $downloaded = $false
+              foreach ($baseUrl in @(
+                  'https://downloads.php.net/~windows/releases',
+                  'https://downloads.php.net/~windows/releases/archives'
+              )) {
+                  try {
+                      Invoke-WebRequest -Uri "$baseUrl/$archiveName" -OutFile $archive
+                      $downloaded = $true
+                      break
+                  } catch {
+                      Remove-Item $archive -Force -ErrorAction SilentlyContinue
+                  }
+              }
+              if (-not $downloaded) {
+                  throw "Unable to download the PHP $phpVersion NTS development pack"
               }
-          }
-          if (-not $downloaded) {
-              throw "Unable to download the PHP $phpVersion NTS development pack"
           }
 
           Expand-Archive -Path $archive -DestinationPath $extractDir -Force
@@ -118,9 +145,6 @@ jobs:
               }
           }
 
-          "PHP_HOME=$phpHome" | Out-File $env:GITHUB_ENV -Append -Encoding utf8
-          "PHPX_HOME=${{ github.workspace }}\vendor\swoole\phpx" |
-              Out-File $env:GITHUB_ENV -Append -Encoding utf8
           Write-Host "Using PHP $phpVersion from $phpHome"
 
       - name: Install Composer dependencies
@@ -162,7 +186,15 @@ jobs:
         with:
           arch: x64
 
+      - name: Cache GMP and MPFR
+        id: cache-gmp-mpfr
+        uses: actions/cache@v4
+        with:
+          path: ${{ runner.temp }}\typephp-cache\vcpkg-x64-windows
+          key: windows-2022-msvc-vcpkg-gmp-mpfr-x64-v1
+
       - name: Install GMP and MPFR
+        if: steps.cache-gmp-mpfr.outputs.cache-hit != 'true'
         shell: pwsh
         run: |
           $ErrorActionPreference = 'Stop'
@@ -175,20 +207,48 @@ jobs:
           }
 
           $installed = Join-Path $env:VCPKG_INSTALLATION_ROOT "installed\$triplet"
-          $sdkInclude = Join-Path $env:PHP_HOME 'SDK\include'
-          $sdkLib = Join-Path $env:PHP_HOME 'SDK\lib'
-          Copy-Item (Join-Path $installed 'include\*') $sdkInclude -Recurse -Force
+          $cache = Join-Path $env:RUNNER_TEMP 'typephp-cache\vcpkg-x64-windows'
+          New-Item "$cache\include", "$cache\lib", "$cache\bin" -ItemType Directory -Force |
+              Out-Null
+          Copy-Item (Join-Path $installed 'include\*') "$cache\include" -Recurse -Force
 
           foreach ($library in @('gmp.lib', 'gmpxx.lib', 'mpfr.lib')) {
               $source = Join-Path $installed "lib\$library"
               if (-not (Test-Path $source)) {
                   throw "vcpkg did not install $library"
               }
+              Copy-Item $source "$cache\lib" -Force
+          }
+          Copy-Item (Join-Path $installed 'bin\*.dll') "$cache\bin" -Force
+
+      - name: Stage GMP and MPFR
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = 'Stop'
+
+          $cache = Join-Path $env:RUNNER_TEMP 'typephp-cache\vcpkg-x64-windows'
+          $sdkInclude = Join-Path $env:PHP_HOME 'SDK\include'
+          $sdkLib = Join-Path $env:PHP_HOME 'SDK\lib'
+          Copy-Item "$cache\include\*" $sdkInclude -Recurse -Force
+
+          foreach ($library in @('gmp.lib', 'gmpxx.lib', 'mpfr.lib')) {
+              $source = Join-Path $cache "lib\$library"
+              if (-not (Test-Path $source)) {
+                  throw "The dependency cache does not contain $library"
+              }
               Copy-Item $source $sdkLib -Force
           }
-          Copy-Item (Join-Path $installed 'bin\*.dll') $env:PHP_HOME -Force
+          Copy-Item "$cache\bin\*.dll" $env:PHP_HOME -Force
+
+      - name: Cache mpdecimal
+        id: cache-mpdecimal
+        uses: actions/cache@v4
+        with:
+          path: ${{ env.PHPX_HOME }}\thirdparty\mpdecimal\vcbuild\dist64
+          key: windows-2022-msvc-mpdecimal-x64-${{ hashFiles('vendor/swoole/phpx/thirdparty/mpdecimal/**') }}
 
       - name: Build mpdecimal
+        if: steps.cache-mpdecimal.outputs.cache-hit != 'true'
         shell: pwsh
         run: |
           $ErrorActionPreference = 'Stop'
@@ -199,6 +259,11 @@ jobs:
               throw "mpdecimal build failed with exit code $LASTEXITCODE"
           }
 
+      - name: Stage mpdecimal
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = 'Stop'
+
           $dist = Join-Path $env:PHPX_HOME 'thirdparty\mpdecimal\vcbuild\dist64'
           $sdkInclude = Join-Path $env:PHP_HOME 'SDK\include'
           $sdkLib = Join-Path $env:PHP_HOME 'SDK\lib'