build-linux.yml

name: Build on Linux

# Build and run tests on ubuntu-latest.

on:
  push:
    branches:
      - main
      - jane
  pull_request:
  workflow_dispatch:

jobs:
  build-linux:
    strategy:
      fail-fast: false
      matrix:
        ocaml-compiler:
          # Don't include every versions. OCaml-CI already covers that
          - 5.2.x

    runs-on: ubuntu-latest

    steps:
      # Clone the project
      - uses: actions/checkout@v2
        with:
          # Don't checkout the implicit merge commit to avoid wrong substitution
          ref: ${{ github.event.pull_request.head.sha }}

      # Setup
      - name: Setup OCaml ${{ matrix.ocaml-version }}
        uses: ocaml/setup-ocaml@v2
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}

      - name: Opam dependencies
        run: opam install --deps-only -t .

      - name: Self-formatting test
        run: opam exec -- dune build @fmt

      - name: Build
        run: |
          opam exec -- dune subst
          opam exec -- dune build -p ocamlformat-lib,ocamlformat

      - name: Runtest
        run: opam exec -- dune runtest

      - name: Check manpages
        run: opam exec -- dune build @gen_manpage --auto-promote