release.yml

name: Release

on:
  push:
    tags:
      - 'v[0-9]+*'
  workflow_dispatch:

env:
  GH_TOKEN: ${{ github.token }}

jobs:
  # create a release on github
  create-release:
    runs-on: ubuntu-latest
    if: "startsWith(github.ref, 'refs/tags/')"
    steps:
      - uses: actions/checkout@v4
      - name: Create new release
        run: |
          # remove leading 'v' in tag name
          gh release create -d v${GITHUB_REF_NAME#v}

  capi-macos:
    runs-on: macos-latest
    strategy:
      matrix:
        target: [x86_64-apple-darwin, aarch64-apple-darwin]
    steps:
      - uses: actions/checkout@v4
      - name: Compile library
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --target=${{ matrix.target }}
          cargo install cargo-c
          cd pineappl_capi
          cargo cinstall --verbose --destdir=prefix --library-type=cdylib --prefix=/ --target=${{ matrix.target }}
          cd prefix
          tar czf ../../pineappl_capi-${{ matrix.target }}.tar.gz .
      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: pineappl_capi-${{ matrix.target }}
          path: pineappl_capi-${{ matrix.target }}.tar.gz

  capi-linux:
    runs-on: ubuntu-latest
    container: ghcr.io/nnpdf/pineappl-ci:latest
    strategy:
      matrix:
        target: [x86_64-unknown-linux-gnu]
    steps:
      # checkout@v4 uses a newer version of Node that's incompatible with our container's GLIBC
      - uses: actions/checkout@v3
      - name: Compile library
        run: |
          cd pineappl_capi
          cargo cinstall --verbose --destdir=prefix --library-type=cdylib --prefix=/ --target=${{ matrix.target }}
          cd prefix
          tar czf ../../pineappl_capi-${{ matrix.target }}.tar.gz .
          # print the glibc version requirement
          objdump -T lib/libpineappl_capi.so | grep GLIBC | sed 's/.*GLIBC_\([.0-9]*\).*/\1/g' | sort -Vu | tail -1
      - name: Upload artifact
        # upload-artifact@v4 uses a newer version of Node that's incompatible with our container's GLIBC
        uses: actions/upload-artifact@v3
        with:
          name: pineappl_capi-${{ matrix.target }}
          path: pineappl_capi-${{ matrix.target }}.tar.gz

  # publish a release on github and upload pre-built CAPI
  publish-release:
    needs: [capi-macos, capi-linux]
    runs-on: ubuntu-latest
    if: "startsWith(github.ref, 'refs/tags/')"
    steps:
      - uses: actions/checkout@v4
      - uses: actions/download-artifact@v4
        with:
          path: artifacts
      - name: Create new release
        run: |
          # remove leading 'v' in tag name
          version=${GITHUB_REF_NAME#v}
          prerelease=$(echo ${version} | perl -pe 's/^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/\4/')
          if [[ ${prerelease}  == "" ]]; then
              # extract the previous version number
              old_version=$(sed -n 's/^## \[\(.*\)\] - .*/\1/p' CHANGELOG.md | tail +2 | head -n 1)
              # extract news for the current version from the changelog file, dismissing
              # empty lines at the start and the end
              news=$(sed -n "/\\[${version}\\]/, /\\[${old_version}\\]/{ /\\[${old_version}\\]/! p }" \
                  CHANGELOG.md | sed -e :a -e '/./,$!d;/^\n*$/{$d;N;};/\n$/ba')
              gh release edit v${version} -n "${news}"
          else
              gh release edit v${version} -n "" --prerelease
          fi
          find artifacts -name 'pineappl_capi*' -type f -exec gh release upload v${version} {} +
          gh release edit v${version} --draft=false

  publish-crates:
    runs-on: ubuntu-latest
    if: "startsWith(github.ref, 'refs/tags/')"
    container: ghcr.io/nnpdf/pineappl-ci:latest
    steps:
      # checkout@v4 uses a newer version of Node that's incompatible with our container's GLIBC
      - uses: actions/checkout@v3

      - name: Publish all crates
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
        run: |
          # this must be at least Rust 1.66 to support waiting for dependencies to on crates.io:
          # https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md#cargo-166-2022-12-15
          rustup default stable
          cd pineappl
          cargo publish
          cd ../pineappl_applgrid
          cargo publish
          cd ../pineappl_fastnlo
          cargo publish
          cd ../pineappl_capi
          cargo publish
          cd ../pineappl_cli
          cargo publish

  wheels-linux:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target: [x86_64]
    steps:
      - uses: actions/checkout@v4
      # for Linux the wheels are built in a container, so we don't need the `setup-python` action
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          # `--find-interpreter` is needed to generate wheels for *all* Python versions
          args: --release --out dist --find-interpreter --manifest-path pineappl_py/Cargo.toml
          sccache: 'true'
          manylinux: auto
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: ${{ github.job }}-${{ matrix.target }}
          path: dist

  wheels-eol-linux:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target: [x86_64]
    steps:
      - uses: actions/checkout@v4
      - name: Patch Cargo.toml
        run: |
          # - older maturin versions don't support metadata inheritance - overwrite it explicitly
          # - use '@' separator since 'repository' contains slashes
          # - downgrade both `numpy` and `pyo3` to the last version that support Python 3.6
          sed -i \
              -e "s@categories.workspace = true@$(grep '^categories' Cargo.toml)@" \
              -e "s@edition.workspace = true@$(grep '^edition' Cargo.toml)@" \
              -e "s@keywords.workspace = true@$(grep '^keywords' Cargo.toml)@" \
              -e "s@license.workspace = true@$(grep '^license' Cargo.toml)@" \
              -e "s@repository.workspace = true@$(grep '^repository' Cargo.toml)@" \
              -e "s@rust-version.workspace = true@$(grep '^rust-version' Cargo.toml)@" \
              -e "s@version.workspace = true@$(grep '^version' Cargo.toml)@" \
              -e "s@^numpy = .*@numpy = \"0.14.1\"@" \
              -e "s@^pyo3 = .*@pyo3 = { features = [\"extension-module\"], version = \"0.14.5\" }@" \
              pineappl_py/Cargo.toml
          # the previous command is very fragile, so print the file contents to check it
          cat pineappl_py/Cargo.toml
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          args: --release -i python3.6 --out dist --no-sdist --manifest-path pineappl_py/Cargo.toml
          sccache: 'true'
          manylinux: auto
          # this is the latest version to support Python 3.6
          maturin-version: 0.12.20
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: ${{ github.job }}-${{ matrix.target }}
          path: dist

  wheels-macos:
    runs-on: macos-latest
    strategy:
      matrix:
        target: [aarch64, x86_64]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          # WARNING: be careful with the ordering - the last version is the default one. Apparently
          # maturin doesn't find all Python versions when one chooses a PyPy version instead of
          # CPython as default
          python-version: |
            pypy3.7
            pypy3.8
            pypy3.9
            pypy3.10
            3.7
            3.8
            3.9
            3.11
            3.12
            3.10
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          args: --release --out dist --find-interpreter --manifest-path pineappl_py/Cargo.toml
          sccache: 'true'
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: ${{ github.job }}-${{ matrix.target }}
          path: dist

  wheels-sdist:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Build sdist
        uses: PyO3/maturin-action@v1
        with:
          command: sdist
          args: --out dist --manifest-path pineappl_py/Cargo.toml
      - name: Upload sdist
        uses: actions/upload-artifact@v4
        with:
          name: ${{ github.job }}
          path: dist

  wheels-windows:
    runs-on: windows-latest
    strategy:
      matrix:
        target: [x64]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          # WARNING: be careful with the ordering - the last version is the default one. Apparently
          # maturin doesn't find all Python versions when one chooses a PyPy version instead of
          # CPython as default
          python-version: |
            pypy3.7
            pypy3.8
            pypy3.9
            pypy3.10
            3.7
            3.8
            3.9
            3.11
            3.12
            3.10
          architecture: ${{ matrix.target }}
      - name: Build wheels
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          args: --release --out dist --find-interpreter --manifest-path pineappl_py/Cargo.toml
          sccache: 'true'
      - name: Upload wheels
        uses: actions/upload-artifact@v4
        with:
          name: ${{ github.job }}-${{ matrix.target }}
          path: dist

  release-wheels:
    name: Release
    runs-on: ubuntu-latest
    if: "startsWith(github.ref, 'refs/tags/')"
    needs: [wheels-eol-linux, wheels-linux, wheels-macos, wheels-sdist, wheels-windows]
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: wheels-*
          merge-multiple: true
      - name: Publish to PyPI
        uses: PyO3/maturin-action@v1
        env:
          MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
        with:
          command: upload
          args: --skip-existing *