main.yml

name: Builds, tests & co

on:
  push:
    paths:
    - 'src/**'
    - '!src/tools/**'
    - 'src_ext/**'
    - 'dune'
    - 'dune-project'
    - '*.opam'
    - 'Makefile*'
    - 'configure*'
  pull_request:
    paths:
    - 'src/**'
    - '!src/tools/**'
    - 'src_ext/**'
    - 'dune'
    - 'dune-project'
    - '*.opam'
    - 'Makefile*'
    - 'configure*'
    - '.github/scripts/**'
    - '.github/workflows/main.yml'
    - 'tests/**'
    - '!tests/bench/**'
    - 'shell/'
#    paths-ignore:
#    - 'release/**'
#    - 'shell/**'
#    - 'admin-scripts/**'
#    - 'doc/**'
#    - 'CHANGES'
#    - 'LICENSE'
#    - 'CONTRIBUTING.md'
#    - 'master_changes.md'
#    - 'README.md'

env:
  OPAMBSVERSION: 2.1.0
  OPAMBSROOT: ~/.cache/.opam.cached
  OPAM12CACHE: ~/.cache/opam1.2/cache
  OPAM_REPO: https://github.com/ocaml/opam-repository.git
  OPAM_TEST_REPO_SHA: b251e0d9d0a8bcb0742d4d495c70f479effe16c2
  OPAM_REPO_SHA: b251e0d9d0a8bcb0742d4d495c70f479effe16c2
  SOLVER:
  CYGWIN_MIRROR: http://mirrors.kernel.org/sourceware/cygwin/
  CYGWIN_ROOT: D:\cygwin
  CYGWIN: winsymlinks:native
  CYGWIN_EPOCH: 3

defaults:
  run:
    shell: bash

jobs:

####
# Caches
####
  Analyse:
    runs-on: ubuntu-latest
    outputs:
      archives: ${{ steps.keys.outputs.archives }}
      ocaml-cache: ${{ steps.keys.outputs.ocaml-cache }}
      cygwin: ${{ steps.keys.outputs.cygwin }}
      opam-bs-cache: ${{ steps.keys.outputs.opam-bs-cache }}
    steps:
    - name: Checkout tree
      uses: actions/checkout@v3
    - name: Determine cache keys
      id: keys
      run: |
        echo archives=archives-1-${{ hashFiles('src_ext/Makefile.sources', 'src_ext/Makefile', '.github/scripts/common/preamble.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/archives-cache.sh') }}-${{ env.OPAM_REPO_SHA }}
        echo archives=archives-1-${{ hashFiles('src_ext/Makefile.sources', 'src_ext/Makefile', '.github/scripts/common/preamble.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/archives-cache.sh') }}-${{ env.OPAM_REPO_SHA }} >> $GITHUB_OUTPUT
        echo ocaml-cache=${{ hashFiles('.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/create-ocaml-cache.sh') }}
        echo ocaml-cache=${{ hashFiles('.github/scripts/main/ocaml-cache.sh', '.github/scripts/main/preamble.sh', '.github/scripts/main/create-ocaml-cache.sh') }} >> $GITHUB_OUTPUT
        echo cygwin=${{ hashFiles('.github/scripts/cygwin.cmd') }}-${{ env.CYGWIN_EPOCH }}
        echo cygwin=${{ hashFiles('.github/scripts/cygwin.cmd') }}-${{ env.CYGWIN_EPOCH }} >> $GITHUB_OUTPUT
        echo opam-bs-cache=${{ hashFiles('.github/scripts/main/opam-bs-cache.sh', '*.opam', '.github/scripts/main/preamble.sh') }}
        echo opam-bs-cache=${{ hashFiles('.github/scripts/main/opam-bs-cache.sh', '*.opam', '.github/scripts/main/preamble.sh') }} >> $GITHUB_OUTPUT
    - name: src_ext/archives and opam-repository Cache
      id: archives
      uses: ocaml-opam/cache@opam
      with:
        path: |
          src_ext/archives
          ~/opam-repository
        key: ${{ steps.keys.outputs.archives }}
        check-only: true
        force-gzip: true
    - name: Create src_ext/archives and opam-repository cache
      if: steps.archives.outputs.cache-hit != 'true'
      run: bash -exu .github/scripts/main/archives-cache.sh

  NO-OP:
    runs-on: ubuntu-latest
    steps:
    - name: no-op
      run: echo something

####
# Build
####
  Build-Linux:
    runs-on: ubuntu-latest
    needs: Analyse
    strategy:
      matrix:
        ocamlv: [ 4.08.1, 4.14.1 ]
      fail-fast: true
    steps:
    - name: Install bubblewrap
      run: sudo apt install bubblewrap
    - name: Checkout tree
      uses: actions/checkout@v3
    - name: src_ext/archives and opam-repository Cache
      id: archives
      uses: ocaml-opam/cache@opam
      with:
        path: |
          src_ext/archives
          ~/opam-repository
        key: ${{ needs.Analyse.outputs.archives }}
        force-gzip: true
    - name: OCaml ${{ matrix.ocamlv }} Cache
      id: ocaml-cache
      uses: actions/cache@v3
      with:
        path: ~/.cache/ocaml-local/**
        key: ${{ runner.os }}-ocaml-${{ matrix.ocamlv }}-${{ needs.Analyse.outputs.ocaml-cache }}
    - name: Create OCaml ${{ matrix.ocamlv }} cache
      if: steps.ocaml-cache.outputs.cache-hit != 'true'
      run: bash -exu .github/scripts/main/ocaml-cache.sh ${{ runner.os }} ${{ matrix.ocamlv }}
    - name: Build
      run: bash -exu .github/scripts/main/main.sh x86_64-pc-linux-gnu
    - name: retrieve labels
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      shell: bash
      run: |
        BINARY_LABEL=$(gh api --jq '.labels.[].name' /repos/rjbou/opam/pulls/${{ github.event.number }} | grep "PR:BINARIES" || echo "other")
        echo "BINARY_LABEL=$BINARY_LABEL" >> $GITHUB_ENV
    - name: Upload opam binaries
      if: env.BINARY_LABEL == 'PR:BINARIES' && matrix.ocamlv == '4.14.1'
      uses: actions/upload-artifact@v3
      continue-on-error: true
      with:
        name: opam-exe-${{ runner.os }}-${{ matrix.ocamlv }}
        path: |
          /home/runner/local/bin/opam
          /home/runner/local/bin/opam-installer
    - name: env check
      run: echo something