ci.yml

name: CI

on:
  push:
    branches: [main, develop, 'ge*']
    tags: ['v*']
  pull_request:
    branches: [main, develop, 'ge*']

jobs:
  build:
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-dotnet@v4
        with:
          dotnet-version: '10.0.x'

      - name: Determine version
        id: version
        shell: pwsh
        run: |
          if ($env:GITHUB_REF -match '^refs/tags/v(.+)$') {
            $ver = $Matches[1]
            echo "package_version=$ver" >> $env:GITHUB_OUTPUT
            echo "version_args=-p:Version=$ver" >> $env:GITHUB_OUTPUT
          } else {
            [xml]$proj = Get-Content src/GitExtensions.AITools/GitExtensions.AITools.csproj
            $prefix = $proj.Project.PropertyGroup[0].VersionPrefix
            $suffix = "ci.${{ github.run_number }}"
            echo "package_version=$prefix-$suffix" >> $env:GITHUB_OUTPUT
            echo "version_args=-p:VersionSuffix=$suffix" >> $env:GITHUB_OUTPUT
          }

      - name: Extract release notes
        id: notes
        shell: pwsh
        run: |
          $changelog = Get-Content CHANGELOG.md -Raw
          # For tag builds, find the [version] section; otherwise use [Unreleased]
          $heading = if ($env:GITHUB_REF -match '^refs/tags/v') { '${{ steps.version.outputs.package_version }}' } else { 'Unreleased' }
          if ($changelog -match "(?ms)^## \[$heading\].*?\n(.*?)(?=\n## \[|$)") {
            $notes = $Matches[1].Trim()
          } else {
            $notes = 'See https://github.com/JBTremblay/gitextensions.aitools/releases'
          }
          # Escape for MSBuild property
          $notes = $notes -replace '%','%25' -replace ';','%3B' -replace '\r\n|\r|\n','%0A'
          echo "notes=$notes" >> $env:GITHUB_OUTPUT

      - name: Build
        run: dotnet build -c Release ${{ steps.version.outputs.version_args }}

      - name: Test cancellation
        shell: pwsh
        run: |
          dotnet build tests/GitExtensions.AITools.Tests -c Release ${{ steps.version.outputs.version_args }}
          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
          dotnet run --project tests/GitExtensions.AITools.Tests -c Release --no-build

      - name: Pack
        run: >-
          dotnet pack -c Release
          ${{ steps.version.outputs.version_args }}
          -p:PackageReleaseNotes="${{ steps.notes.outputs.notes }}"
          --no-build

      - name: Validate package contents
        shell: pwsh
        run: |
          $nupkg = Get-ChildItem src/GitExtensions.AITools/bin/Release/*.nupkg | Select-Object -First 1
          Write-Host "Package: $($nupkg.Name)"
          $archive = [System.IO.Compression.ZipFile]::OpenRead($nupkg.FullName)
          try {
            $entries = $archive.Entries | Select-Object -ExpandProperty FullName
            $entries | ForEach-Object { Write-Host "  $_" }
            $required = @('lib/GitExtensions.AITools.dll', 'lib/Translation/French.xlf', 'icon-128x128.png', 'docs/README.md')
            foreach ($file in $required) {
              if ($file -notin $entries) {
                throw "Missing required file: $file"
              }
            }
            $reader = [System.IO.StreamReader]::new($archive.GetEntry('GitExtensions.AITools.nuspec').Open())
            try { [xml]$nuspec = $reader.ReadToEnd() } finally { $reader.Dispose() }
            $dependency = $nuspec.package.metadata.dependencies.dependency
            if ($dependency.id -ne 'GitExtensions.Extensibility' -or $dependency.version -ne '[7.0.0, 8.0.0)') {
              throw 'The package must declare compatibility with GitExtensions.Extensibility 7.x.'
            }
            $dlls = @($entries | Where-Object { $_ -like '*.dll' })
            if ($dlls.Count -ne 1 -or $dlls[0] -ne 'lib/GitExtensions.AITools.dll') {
              throw 'The package must not bundle Git Extensions host assemblies.'
            }
          } finally {
            $archive.Dispose()
          }
          Write-Host "Package validation passed."

      - name: Upload NuGet package
        uses: actions/upload-artifact@v4
        with:
          name: nupkg
          path: src/GitExtensions.AITools/bin/Release/*.nupkg

  publish:
    runs-on: windows-latest
    needs: build
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4

      - name: Download NuGet package
        uses: actions/download-artifact@v4
        with:
          name: nupkg

      - uses: actions/setup-dotnet@v4
        with:
          dotnet-version: '10.0.x'

      - name: Push to NuGet
        run: dotnet nuget push *.nupkg -k ${{ secrets.NUGET_PUSH_TOKEN }} -s https://api.nuget.org/v3/index.json --skip-duplicate

      - name: Extract release notes from CHANGELOG
        id: notes
        shell: pwsh
        run: |
          $tag = $env:GITHUB_REF -replace '^refs/tags/'
          $version = $tag -replace '^v'
          $changelog = Get-Content CHANGELOG.md -Raw
          if ($changelog -match "(?ms)^## \[$version\].*?\n(.*?)(?=\n## \[|$)") {
            $Matches[1].Trim() | Set-Content release-notes.md
          } else {
            "Release $tag" | Set-Content release-notes.md
          }

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh release create ${{ github.ref_name }} --title "${{ github.ref_name }}" --notes-file release-notes.md