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feat: generate dotnet bindings with uniffy
Signed-off-by: Laszlo Gecse <[email protected]>
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‎.github/tests/dotnet/test_installation.cs‎

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// Copyright AGNTCY Contributors (https://github.com/agntcy)
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// SPDX-License-Identifier: Apache-2.0
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using System;
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using Agntcy.Slim;
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/// <summary>
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/// Installation test for SLIM .NET bindings.
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///
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/// This test verifies that the slim_bindings package can be imported
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/// and initialized successfully.
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/// </summary>
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class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine("SLIM .NET Bindings Installation Test");
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Console.WriteLine("==================================================");
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try
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{
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// Initialize SLIM (required before any operations)
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Slim.Initialize();
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Console.WriteLine("SLIM initialized successfully");
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// Verify initialization state
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if (!Slim.IsInitialized)
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{
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Console.WriteLine("SLIM initialization check failed");
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Environment.Exit(1);
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}
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Console.WriteLine("SLIM is initialized");
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// Get and display version information
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string version = Slim.Version;
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Console.WriteLine($"SLIM version: {version}");
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// Get and display build information
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string buildInfo = Slim.BuildInfo;
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Console.WriteLine($"SLIM build info: {buildInfo}");
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// Clean shutdown
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Slim.Shutdown();
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Console.WriteLine("SLIM shutdown successfully");
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Console.WriteLine("Installation test passed!");
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Environment.Exit(0);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Test failed with exception: {ex.Message}");
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Console.WriteLine(ex.StackTrace);
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Environment.Exit(1);
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}
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}
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}

‎.github/workflows/release-bindings.yaml‎

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env:
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LIBRARY_NAME: slim_bindings
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GO_BINDINGS_REPO: agntcy/slim-bindings-go
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NUGET_PACKAGE_NAME: Agntcy.Slim
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UNIFFI_BINDGEN_GO_VERSION: v0.4.0+v0.28.3
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UNIFFI_BINDGEN_CS_VERSION: v0.9.0+v0.28.3
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DOTNET_VERSION: "8.0.x"
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jobs:
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# ==========================================================================
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with:
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password: ${{ secrets.PYPI_API_TOKEN }}
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packages-dir: dist
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# ==========================================================================
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# Job 5: Release .NET bindings to NuGet
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# ==========================================================================
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release-dotnet-bindings:
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name: "Release .NET Bindings"
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needs: build-and-test-bindings
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uses: ./.github/workflows/reusable-dotnet-bindings-release.yaml
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secrets:
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nuget-api-key: ${{ secrets.NUGET_API_TOKEN }}

‎.github/workflows/reusable-bindings-build-and-test.yaml‎

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with:
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workspace: ./data-plane
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- name: Build library
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working-directory: ./data-plane/bindings/rust
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run: |
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task bindings:build:all TARGET=${{ matrix.platform.target }} PROFILE=release
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- name: Strip and rename artifacts
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run: |
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echo "✅ Python wheel verification completed successfully on ${{ matrix.platform.target }}"
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echo "The wheel can be safely published."
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dotnet-bindings-build-and-test:
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runs-on: ${{ inputs.runner }}
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needs: build-libraries
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defaults:
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run:
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shell: bash
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working-directory: ./data-plane/bindings/dotnet
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steps:
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- name: Checkout Repo
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uses: actions/checkout@v4
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- name: Setup Rust
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uses: ./.github/actions/setup-rust
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with:
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workspace: ${{ inputs.rust-workspace }}
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- name: Setup .NET
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uses: actions/setup-dotnet@v4
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with:
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dotnet-version: "8.0.x"
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- name: Setup Task
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uses: ./.github/actions/setup-task
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with:
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version: latest
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github-token: ${{ secrets.GITHUB_TOKEN }}
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# Download all library artifacts
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- name: Download library artifacts
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uses: actions/download-artifact@v4
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with:
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pattern: bindings-*
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path: ./data-plane/bindings/dotnet/artifacts/
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- name: List downloaded artifacts
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run: |
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echo "Downloaded artifacts:"
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find ./artifacts -type f -ls
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- name: Generate bindings, build, test, and pack
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run: task ci ARTIFACTS_DIR=./artifacts BINDGEN_LIB=./artifacts/bindings-x86_64-unknown-linux-gnu/libslim_bindings_x86_64_linux_gnu.so
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- name: Upload NuGet package
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uses: actions/upload-artifact@v4
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with:
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name: dotnet-bindings-nuget
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path: ./data-plane/bindings/dotnet/artifacts/*.nupkg

‎.github/workflows/reusable-dotnet-bindings-release.yaml‎

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# Copyright AGNTCY Contributors (https://github.com/agntcy)
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# SPDX-License-Identifier: Apache-2.0
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---
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name: Reusable .NET Bindings Release
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on:
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workflow_call:
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inputs:
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library-name:
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description: Name of the library
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required: false
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type: string
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default: slim_bindings
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dotnet-version:
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description: .NET SDK version
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required: false
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type: string
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default: "8.0.x"
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dotnet-bindings-working-directory:
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description: Working directory for .NET bindings
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required: false
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type: string
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default: ./data-plane/bindings/dotnet
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nuget-package-name:
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description: NuGet package name
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required: false
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type: string
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default: Agntcy.Slim
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secrets:
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nuget-api-key:
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description: NuGet API key for publishing
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required: true
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env:
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LIBRARY_NAME: ${{ inputs.library-name }}
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NUGET_PACKAGE_NAME: ${{ inputs.nuget-package-name }}
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jobs:
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# ==========================================================================
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# Job 1: Publish NuGet package
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# ==========================================================================
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release-dotnet-bindings:
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name: Release .NET Bindings
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runs-on: ubuntu-latest
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defaults:
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run:
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shell: bash
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working-directory: ${{ inputs.dotnet-bindings-working-directory }}
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steps:
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- name: Checkout source repo
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uses: actions/checkout@v4
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- name: Setup .NET
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uses: actions/setup-dotnet@v4
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with:
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dotnet-version: ${{ inputs.dotnet-version }}
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# Download NuGet package artifact
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- name: Download NuGet Package Artifact
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uses: actions/download-artifact@v4
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with:
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name: dotnet-bindings-nuget
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path: ${{ inputs.dotnet-bindings-working-directory }}/nupkg
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- name: List downloaded artifacts
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run: |
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echo "Downloaded NuGet package:"
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ls -lah ./nupkg/
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- name: Extract version from tag
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id: extract-version
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run: |
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# Extract version from tag name (remove 'slim-bindings-' prefix)
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VERSION="${{ github.ref_name }}"
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VERSION="${VERSION#slim-bindings-}"
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echo "Extracted version: $VERSION"
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echo "version=$VERSION" >> $GITHUB_OUTPUT
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- name: Determine if pre-release
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id: prerelease
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run: |
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VERSION="${{ steps.extract-version.outputs.version }}"
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if [[ "$VERSION" =~ (alpha|beta|rc) ]]; then
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echo "is_prerelease=true" >> $GITHUB_OUTPUT
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echo "This is a pre-release version"
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else
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echo "is_prerelease=false" >> $GITHUB_OUTPUT
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echo "This is a stable release"
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fi
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- name: Publish to NuGet.org
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run: |
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PACKAGE=$(ls ./nupkg/*.nupkg | head -1)
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echo "Publishing package: $PACKAGE"
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dotnet nuget push "$PACKAGE" \
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--api-key "${{ secrets.nuget-api-key }}" \
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--source https://api.nuget.org/v3/index.json \
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--skip-duplicate
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echo "Successfully published to NuGet.org"
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# ==========================================================================
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# Job 2: Test the published .NET bindings work as expected
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# ==========================================================================
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test-dotnet-bindings:
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name: Test .NET Bindings (${{ matrix.platform.target }})
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runs-on: ${{ matrix.platform.runner }}
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needs: release-dotnet-bindings
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if: startsWith(github.ref, 'refs/tags/slim-bindings-')
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strategy:
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fail-fast: false
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matrix:
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platform:
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# Linux x86_64 variants
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- runner: ubuntu-24.04
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os: linux
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target: x86_64-unknown-linux-gnu
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- runner: ubuntu-24.04
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os: linux
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target: x86_64-unknown-linux-musl
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# Windows variant
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- runner: windows-latest
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os: windows
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target: x86_64-pc-windows-msvc
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# macOS variants
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- runner: macos-15-intel
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os: macos
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target: x86_64-apple-darwin
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- runner: macos-15
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os: macos
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target: aarch64-apple-darwin
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defaults:
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run:
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shell: bash
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Setup .NET
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uses: actions/setup-dotnet@v4
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with:
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dotnet-version: ${{ inputs.dotnet-version }}
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- name: Wait for NuGet package propagation
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run: |
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echo "Waiting 60 seconds for NuGet.org package index to update..."
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sleep 60
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- name: Test bindings installation and usage
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run: |
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# Extract version from tag name
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VERSION="${{ github.ref_name }}"
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VERSION="${VERSION#slim-bindings-}"
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echo "Testing version: $VERSION"
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echo "Platform: ${{ matrix.platform.target }}"
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echo "Runner: ${{ matrix.platform.runner }}"
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# Create a temporary test directory
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if [ "$RUNNER_OS" = "Windows" ]; then
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TEST_DIR=$(mktemp -d -p "$RUNNER_TEMP")
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else
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TEST_DIR=$(mktemp -d)
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fi
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cd "$TEST_DIR"
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echo "Testing in: $TEST_DIR"
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# Create a test console application
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dotnet new console -n SlimBindingsTest
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cd SlimBindingsTest
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# Install the package from NuGet.org
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echo "Installing package ${{ env.NUGET_PACKAGE_NAME }} version $VERSION"
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dotnet add package ${{ env.NUGET_PACKAGE_NAME }} --version $VERSION
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echo "Package installed successfully"
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# Copy and run test program
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cp $GITHUB_WORKSPACE/.github/tests/dotnet/test_installation.cs ./Program.cs
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# Build and run
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dotnet build
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dotnet run
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echo ""
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echo "All tests passed on ${{ matrix.platform.target }}!"
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- name: Test result summary
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if: success()
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run: |
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echo ".NET bindings verification completed successfully on ${{ matrix.platform.target }}"
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echo "The published package is working correctly."
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# ==========================================================================
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# Job 3: Finalize release - create summary
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# ==========================================================================
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finalize-dotnet-release:
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name: Finalize Release
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runs-on: ubuntu-latest
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needs: test-dotnet-bindings
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if: startsWith(github.ref, 'refs/tags/slim-bindings-')
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steps:
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- name: Extract version
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id: extract-version
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run: |
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VERSION="${{ github.ref_name }}"
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VERSION="${VERSION#slim-bindings-}"
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echo "version=$VERSION" >> $GITHUB_OUTPUT
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- name: Verify package availability
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run: |
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VERSION="${{ steps.extract-version.outputs.version }}"
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echo "Verifying package is discoverable on NuGet.org..."
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# Query NuGet API to verify package availability
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RESPONSE=$(curl -s "https://api.nuget.org/v3/registration5-semver1/${{ env.NUGET_PACKAGE_NAME }}/index.json")
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if echo "$RESPONSE" | grep -q "$VERSION"; then
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echo "Package version $VERSION is discoverable on NuGet.org"
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else
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echo "Package might still be indexing on NuGet.org"
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fi
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- name: Release complete
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run: |
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VERSION="${{ steps.extract-version.outputs.version }}"
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echo ""
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echo "Release $VERSION complete!"
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echo ".NET bindings published to https://www.nuget.org/packages/${{ env.NUGET_PACKAGE_NAME }}"
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echo "Version: $VERSION"
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echo "All tests passed on 5 platforms"
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echo ""
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echo "Install with:"
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echo " dotnet add package ${{ env.NUGET_PACKAGE_NAME }} --version $VERSION"

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