Linux support

.github/workflows/checks.yml

@@ -0,0 +1,40 @@
+name: Static checks
+
+on:
+  push:         { branches: [ master ] }
+  pull_request: { branches: [ master ] }
+  release:      { types: [published] }      # runs on “Publish release” button
+  workflow_dispatch:                        # lets you run it by hand
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v1
+      name: Checkout Code
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 8.0.x
+
+    - name: Restore Tools
+      run: dotnet tool restore
+
+    - name: Check if line endings are CRLF
+      run: |
+        bash -c "git grep -rlIP -- ':!GraphvizWrapper/graphvizfiles/*' ':!*.sh' | xargs unix2dos"
+        git diff --exit-code
+
+    - name: Check if README is up-to-date
+      run: git diff --exit-code -- README.md
+
+    - name: Check if code is formatted
+      run: dotnet format whitespace --verify-no-changes -v diag Rubjerg.Graphviz.sln
+
+    - name: Check if code is formatted
+      run: dotnet format whitespace --verify-no-changes -v diag Rubjerg.Graphviz.Tests.sln
+
+    - name: Check for loose ends
+      run: |
+        bash -c "! git grep 'FIX''NOW'"

.github/workflows/ci-pack.yml

@@ -0,0 +1,77 @@
+# .github/workflows/ci-pack.yml
+name: CI-Pack
+
+on:
+  push:         { branches: [ master ] }
+  pull_request: { branches: [ master ] }
+  release:      { types: [published] }      # runs on “Publish release” button
+  workflow_dispatch:                        # lets you run it by hand
+
+jobs:
+  win-build:
+    uses: ./.github/workflows/win-build.yml
+
+  linux-build:
+    uses: ./.github/workflows/linux-build.yml
+
+  pack:
+    needs: [win-build, linux-build]   # ← the two workflow_call jobs
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      # 1) bring the two per-OS packages into this job --------------------
+      - uses: actions/download-artifact@v4
+        with: { name: win-bits,   path: artifacts/win }
+      - uses: actions/download-artifact@v4
+        with: { name: linux-bits, path: artifacts/linux }
+
+      # 2) unzip → merge → zip  ------------------------------------------
+      - name: Merge NuGet packages
+        id: merge
+        shell: pwsh
+        run: |
+          # locate both nupkgs (Rubjerg.Graphviz.<ver>.nupkg)
+          $winPkg   = Get-ChildItem artifacts/win   -Filter *.nupkg | Select -First 1
+          $linuxPkg = Get-ChildItem artifacts/linux -Filter *.nupkg | Select -First 1
+          if (-not $winPkg  -or -not $linuxPkg) { throw "Packages missing" }
+
+          # extract <id> and <version> from the file name
+          if ($winPkg.Name -notmatch '^(.+?)\.(\d+\.\d+\.\d+(?:-[A-Za-z0-9\.-]+)?)\.nupkg$') {
+            throw "Unexpected package file name $($winPkg.Name)"
+          }
+          $id      = $Matches[1]    # Rubjerg.Graphviz
+          $version = $Matches[2]    # 2.0.2   (or 2.0.2-beta etc.)
+
+          $stage   = "stage"
+          Remove-Item $stage -Recurse -Force -ErrorAction SilentlyContinue
+          New-Item -ItemType Directory -Path $stage | Out-Null
+
+          Expand-Archive $winPkg.FullName   -DestinationPath $stage -Force
+          Expand-Archive $linuxPkg.FullName -DestinationPath $stage -Force
+
+          $outFile = "$id.$version.nupkg"
+          Compress-Archive "$stage\*" $outFile -Force
+
+          # expose the path for later steps
+          "outfile=$outFile" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
+
+      # 3) upload the merged package as a build artefact ------------------
+      - name: Upload final package as artefact
+        uses: actions/upload-artifact@v4
+        with:
+          name: merged-nupkg
+          path: ${{ steps.merge.outputs.outfile }}
+          retention-days: 30
+
+      # 4) push to NuGet only on a GitHub Release -------------------------
+      # - name: Push to NuGet.org
+      #   if: github.event_name == 'release'
+      #   env:
+      #     NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
+      #   run: |
+      #     nuget push "${{ steps.merge.outputs.outfile }}" `
+      #                -Source https://api.nuget.org/v3/index.json `
+      #                -ApiKey $env:NUGET_API_KEY
+

.github/workflows/linux-build.yml

@@ -0,0 +1,73 @@
+name: linux-build
+
+on:
+  workflow_call:
+    outputs:
+      artifact-name:
+        description: "Linux bits"
+        value: linux-bits
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+      name: Checkout Code
+
+    # Necessary for running neato
+    - name: Install libgts
+      run: sudo apt-get update && sudo apt-get install -y libgts-0.7-5
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 8.0.x
+
+    - name: Restore Tools
+      run: dotnet tool restore
+
+    - name: Restore NuGet Packages
+      run: dotnet restore Rubjerg.Graphviz.sln
+
+    - name: Print PWD
+      run: pwd
+
+    - name: Build App
+      run: dotnet build Rubjerg.Graphviz.sln --configuration Release --no-restore
+
+    - name: Build App Another Time because dot net sucks and cannot see the native dependencies the first time
+      run: dotnet build Rubjerg.Graphviz.sln --configuration Release --no-restore
+
+    - name: Debug Intermediate Output
+      run: ls -la /home/runner/work/Graphviz.NetWrapper/Graphviz.NetWrapper/Rubjerg.Graphviz/Resources
+
+    - name: Debug Build Output
+      run: ls -la /home/runner/work/Graphviz.NetWrapper/Graphviz.NetWrapper/Rubjerg.Graphviz/bin/x64/Release/netstandard2.0/
+
+    - name: Restore (just built) NuGet Packages for Tests
+      run: dotnet restore Rubjerg.Graphviz.Tests.sln
+
+    - name: Build Tests
+      run: dotnet build Rubjerg.Graphviz.Tests.sln --configuration Release --no-restore
+
+    - name: Debug Test Build Output
+      run: ls -la /home/runner/work/Graphviz.NetWrapper/Graphviz.NetWrapper/Rubjerg.Graphviz.Test/bin/x64/Release/net8.0/
+
+    - name: Run Unittests
+      run: bash run-tests-netcore.sh Rubjerg.Graphviz.Test/Rubjerg.Graphviz.Test.csproj
+
+    - name: Run Transitive Tests
+      run: bash run-tests-netcore.sh Rubjerg.Graphviz.TransitiveTest/Rubjerg.Graphviz.TransitiveTest.csproj
+
+    - name: Locate nupkg
+      id: pkg
+      run: |
+        pkg=$(find . -name "Rubjerg.Graphviz.*.nupkg" | head -1)
+        echo "package=$pkg" >> "$GITHUB_OUTPUT"
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: linux-bits
+        path: ${{ steps.pkg.outputs.package }}
+        retention-days: 3

.github/workflows/win-build.yml

@@ -0,0 +1,69 @@
+# This is a basic workflow to help you get started with Actions
+
+name: win-build
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+
+on:
+  workflow_call:
+    outputs:
+      artifact-name:
+        description: "Windows bits"
+        value: win-bits
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v1
+      name: Checkout Code
+
+    - name: Add msbuild to PATH
+      uses: microsoft/setup-msbuild@v1.0.2
+
+    - name: Setup NuGet.exe for use with actions
+      uses: NuGet/setup-nuget@v1.0.5
+
+    - name: Restore Tools
+      run: dotnet tool restore
+
+    - name: Restore NuGet Packages
+      run: nuget restore Rubjerg.Graphviz.sln
+
+    - name: Build App
+      run: msbuild Rubjerg.Graphviz.sln /p:Configuration=Release
+
+    - name: Restore (just built) NuGet Packages for Tests
+      run: nuget restore Rubjerg.Graphviz.Tests.sln
+
+    - name: Build Tests
+      run: msbuild Rubjerg.Graphviz.Tests.sln /p:Configuration=Release
+
+    - name: Run Unittests (.NET 8)
+      run: bash run-tests-netcore.sh Rubjerg.Graphviz.Test\Rubjerg.Graphviz.Test.csproj
+
+    - name: Run Transitive Tests (.NET 8)
+      run: bash run-tests-netcore.sh Rubjerg.Graphviz.TransitiveTest\Rubjerg.Graphviz.TransitiveTest.csproj
+
+
+    # Locate the package that GeneratePackageOnBuild just produced
+    - name: Locate nupkg
+      id: pkg
+      shell: pwsh
+      run: |
+        # search everywhere under Rubjerg.Graphviz\bin\ for the first package
+        $pkg = Get-ChildItem Rubjerg.Graphviz\bin -Recurse -Filter "Rubjerg.Graphviz.*.nupkg" -File |
+               Where-Object { $_.Name -notlike "*.symbols.nupkg" } |
+               Select-Object -First 1
+
+        if (-not $pkg) { throw "Rubjerg.Graphviz nupkg not found" }
+
+        "package=$($pkg.FullName)" | Out-File -FilePath $env:GITHUB_OUTPUT -Append
+
+    # Upload that single file
+    - uses: actions/upload-artifact@v4
+      with:
+        name: win-bits
+        path: ${{ steps.pkg.outputs.package }}
+        retention-days: 3

ConsoleApplication/.gitignore

@@ -1,3 +1,4 @@
+bin
 x64
 *.vcxproj.user
 *.svg

ConsoleApplication/ConsoleApplication.cpp

@@ -1,20 +1,30 @@
 #include <iostream>
-#include <conio.h>
-#include "GraphvizWrapper.h"
+#include <string.h>
+
+#ifdef _WIN32
+    #include <windows.h>
+#else
+    #include <dlfcn.h>
+#endif
+
+#include "../GraphvizWrapper/GraphvizWrapper.h"
 
 using namespace std;
 
-int main()
-{
+int main() {
     cout << "Make sure to set the current working directory to the repository root!" << endl;
     cout << "Running tests..." << endl;
-
+    
     cout << test_agread() << endl;
     cout << test_agmemread() << endl;
     cout << test_rj_agmemread() << endl;
     cout << missing_label_repro() << endl;
     cout << stackoverflow_repro() << endl;
-
-    cout << "Press key to exit..";
-    auto c = _getch();
+    cout << agclose_repro() << endl;
+
+    cout << "Press Enter to exit...";
+    cin.get(); // Portable replacement for _getch()
+
+    return 0;
 }
+