Test vcpkg nuget.

Author: larshg

.github/workflows/build-pcl.yml

@@ -2,6 +2,9 @@ name: build-pcl
 
 on: [push, pull_request]
 
+permissions:
+  packages: write
+
 jobs:
   gcc-build:
     runs-on: ubuntu-24.04
@@ -230,23 +233,44 @@ jobs:
             generator: 'Visual Studio 17 2022'
             platform_args: '-A x64'
     env:
+      USERNAME: PointCloudLibrary
+      FEED_URL: https://nuget.pkg.github.com/PointCloudLibrary/index.json
+      VCPKG_BINARY_SOURCES: "clear;nuget,https://nuget.pkg.github.com/PointCloudLibrary/index.json,readwrite"
       CONFIGURATION: Release
-      VCPKG_ROOT: '${{ github.workspace }}\vcpkg'
       IS_MAIN: ${{ github.ref == 'refs/heads/master' }}
     steps:
       - uses: actions/checkout@v4
-      - name: Cache vcpkg installed
-        uses: actions/cache@v4
-        with:
-          path: ${{ env.VCPKG_ROOT }}\installed
-          key: vcpkg-${{ matrix.architecture }}-${{ hashFiles('**/vcpkg.json') }}
-          restore-keys: |
-            vcpkg-${{ matrix.architecture }}-
+      - name: "check is VCPKG_PAT_TOKEN exists"
+        env: 
+            super_secret: ${{ secrets.VCPKG_PAT_TOKEN }}
+        if: ${{ env.super_secret == '' }}
+        run: 'echo "echo the secret \"VCPKG_PAT_TOKEN\" has not been made; echo please go to \"settings \> secrets \> actions\" to create it"'
+      - name: Bootstrap vcpkg
+        run: |
+          echo $VCPKG_INSTALLATION_ROOT
+          cd "$VCPKG_INSTALLATION_ROOT"
+          ls
+          git pull > nul
+          ./bootstrap-vcpkg.bat -disableMetrics
+        shell: bash
+      - name: Add NuGet sources
+        shell: pwsh
+        run: |
+          .$(vcpkg fetch nuget) `
+            sources add `
+            -Source "${{ env.FEED_URL }}" `
+            -StorePasswordInClearText `
+            -Name GitHubPackages `
+            -UserName "${{ env.USERNAME }}" `
+            -Password "${{ secrets.VCPKG_PAT_TOKEN }}"
+          .$(vcpkg fetch nuget) `
+            setapikey "${{ secrets.VCPKG_PAT_TOKEN }}" `
+            -Source "${{ env.FEED_URL }}"
       - name: Setup vcpkg
         shell: pwsh
         run: |
-          if (-Not (Test-Path "$Env:VCPKG_ROOT")) { git clone https://github.com/microsoft/vcpkg.git "$Env:VCPKG_ROOT" }
-          cd "$Env:VCPKG_ROOT"
+          if (-Not (Test-Path "$Env:VCPKG_INSTALLATION_ROOT")) { git clone https://github.com/microsoft/vcpkg.git "$Env:VCPKG_INSTALLATION_ROOT" }
+          cd "$Env:VCPKG_INSTALLATION_ROOT"
           .\bootstrap-vcpkg.bat
       - name: Set vcpkg triplet
         shell: pwsh
@@ -257,13 +281,13 @@ jobs:
         shell: pwsh
         run: |
           $packages = @('boost','eigen3','flann','qhull','cjson','gtest','vtk','glew','freeglut')
-          foreach ($p in $packages) { & "$Env:VCPKG_ROOT\vcpkg.exe" install "$($p):$Env:VCPKG_TRIPLET" }
+          foreach ($p in $packages) { & "$Env:VCPKG_INSTALLATION_ROOT\vcpkg.exe" install "$($p):$Env:VCPKG_TRIPLET" }
       - name: Configure (${{ matrix.name }})
         shell: cmd
         run: |
           cmake -B build -S . -G"${{ matrix.generator }}" ${{ matrix.platform_args }} ^
             -DVCPKG_TARGET_TRIPLET=%VCPKG_TRIPLET% ^
-            -DCMAKE_TOOLCHAIN_FILE="%VCPKG_ROOT%\scripts\buildsystems\vcpkg.cmake" ^
+            -DCMAKE_TOOLCHAIN_FILE="%VCPKG_INSTALLATION_ROOT%\scripts\buildsystems\vcpkg.cmake" ^
             -DCMAKE_BUILD_TYPE=MinSizeRel ^
             -DVCPKG_APPLOCAL_DEPS=ON ^
             -DPCL_BUILD_WITH_BOOST_DYNAMIC_LINKING_WIN32=ON ^