release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  test:
    name: Gate Tests
    runs-on: ubuntu-latest
    container: gnuoctave/octave:11.1.0
    steps:
      - uses: actions/checkout@v6

      - name: Build MEX and run tests
        env:
          FASTSENSE_SKIP_BUILD: "1"
        run: |
          octave --eval "install();"
          xvfb-run octave --eval "install(); cd('tests'); r = run_all_tests(); if r.failed > 0; exit(1); end"

  release:
    name: Create Release
    needs: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Get version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF_NAME}" >> "$GITHUB_OUTPUT"

      - name: Generate changelog
        id: changelog
        run: |
          PREV_TAG=$(git tag --sort=-v:refname | head -n 2 | tail -n 1)
          if [ -z "$PREV_TAG" ] || [ "$PREV_TAG" = "${GITHUB_REF_NAME}" ]; then
            CHANGELOG=$(git log --no-merges --pretty=format:"- %s (%h)" --max-count=50 HEAD)
          else
            CHANGELOG=$(git log --no-merges --pretty=format:"- %s (%h)" "${PREV_TAG}..HEAD")
          fi
          echo "CHANGELOG<<EOF" >> "$GITHUB_OUTPUT"
          echo "$CHANGELOG" >> "$GITHUB_OUTPUT"
          echo "EOF" >> "$GITHUB_OUTPUT"

      - name: Package release
        run: |
          VERSION="${{ steps.version.outputs.VERSION }}"
          DIRNAME="FastSense-${VERSION}"
          mkdir -p "${DIRNAME}"

          # Copy release contents (allowlist — excludes tests/, benchmarks/, docs/, bridge/, private/, .git/)
          cp install.m LICENSE README.md CITATION.cff "${DIRNAME}/"
          cp -r examples "${DIRNAME}/"

          # Copy libs including committed prebuilt MEX binaries.
          # Binaries are refreshed by .github/workflows/refresh-mex-binaries.yml
          # and shipped in the release archive so end users skip compilation.
          cp -r libs "${DIRNAME}/"

          # Create archives
          tar czf "${DIRNAME}.tar.gz" "${DIRNAME}"
          zip -r "${DIRNAME}.zip" "${DIRNAME}"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v3
        with:
          name: ${{ steps.version.outputs.VERSION }}
          body: |
            ## What's Changed

            ${{ steps.changelog.outputs.CHANGELOG }}

            ## Installation

            Download the archive, extract it, and run `install` in MATLAB/Octave. Prebuilt MEX binaries are bundled — compilation only happens on unsupported platforms.
          files: |
            FastSense-${{ steps.version.outputs.VERSION }}.tar.gz
            FastSense-${{ steps.version.outputs.VERSION }}.zip