name: linux_neovim

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

env:
  VIM_LSP_GO_VERSION: '1.17'
  VIM_LSP_GOPLS_VERSION: '0.7.3'
  VIM_LSP_GOPLS_CACHE_VER: 1

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]
        name: [neovim-v04-x64, neovim-v05-x64, neovim-nightly-x64]
        include:
          - name: neovim-v04-x64
            os: ubuntu-latest
            neovim_version: v0.4.4
            allow_failure: false
          - name: neovim-v05-x64
            os: ubuntu-latest
            neovim_version: v0.5.1
            allow_failure: false
          - name: neovim-nightly-x64
            os: ubuntu-latest
            neovim_version: nightly
            allow_failure: true
    runs-on: ${{matrix.os}}
    continue-on-error: ${{matrix.allow_failure}}
    steps:
      - name: Install dependencies
        shell: bash
        run: |
          # https://github.com/Zettlr/Zettlr/issues/3517
          sudo apt-get install libfuse2
      - uses: actions/checkout@v4
      - name: Download neovim
        shell: bash
        run: |
          mkdir -p ~/nvim/bin
          curl -L https://github.com/neovim/neovim/releases/download/${{matrix.neovim_version}}/nvim.appimage -o ~/nvim/bin/nvim
          chmod u+x ~/nvim/bin/nvim
        continue-on-error: ${{matrix.allow_failure}}
      - name: Cache gopls
        id: cache-gopls
        uses: actions/cache@v4
        with:
          path: bin/gopls
          key: ${{ runner.os }}-${{ env.VIM_LSP_GO_VERSION }}-${{ env.VIM_LSP_GOPLS_VERSION }}-${{ env.VIM_LSP_GOPLS_CACHE_VER }}-gopls
      - name: Install Go for gopls
        if: steps.cache-gopls.outputs.cache-hit != 'true'
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.VIM_LSP_GO_VERSION }}
      - name: Install gopls
        if: steps.cache-gopls.outputs.cache-hit != 'true'
        shell: bash
        run: |
          go install golang.org/x/tools/gopls@v${{ env.VIM_LSP_GOPLS_VERSION }}
          gopls version
          mkdir bin
          mv "$(which gopls)" ./bin/
        env:
          GO111MODULE: 'on'
      - name: Download test runner
        uses: actions/checkout@v4
        with:
          repository: thinca/vim-themis
          path: ./vim-themis
          ref: v1.5.5
      - name: Run tests
        shell: bash
        run: |
          export PATH=~/nvim/bin:$PATH
          export PATH=./vim-themis/bin:$PATH
          export PATH=./bin:$PATH
          export THEMIS_VIM=nvim
          nvim --version
          themis
        continue-on-error: ${{matrix.allow_failure}}