name: Nightly

on:
  schedule:
    - cron: '21 */6 * * *'

jobs:
  linux:

    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: Install recent cabal/ghc
      run: |
          sudo add-apt-repository ppa:hvr/ghc
          sudo apt-get update
          sudo apt-get install ghc-8.6.5 cabal-install-2.4
    - name: Install dependencies
      run: |
          export PATH=/opt/cabal/bin:/opt/ghc/bin:$PATH
          cabal v2-update
          cabal v2-build --dependencies-only . pandoc-citeproc
    - name: Build
      run: |
          export PATH=/opt/cabal/bin:/opt/ghc/bin:$PATH
          cabal v2-install . pandoc-citeproc
    - name: Install artifact
      run: |
          export SUFFIX=nightly-$(date +%Y-%m-%d)
          export ARTIFACTS=nightly-linux
          mkdir -p ${ARTIFACTS}
          cp $HOME/.cabal/bin/pandoc ${ARTIFACTS}/pandoc-${SUFFIX}
          cp $HOME/.cabal/bin/pandoc-citeproc ${ARTIFACTS}/pandoc-citeproc-${SUFFIX}
          cp COPYRIGHT ${ARTIFACTS}/
          echo "Built from ${GITHUB_SHA}" > ${ARTIFACTS}/README.nightly.txt
    - uses: actions/upload-artifact@master
      with:
        name: nightly-linux
        path: nightly-linux

  windows:

    runs-on: windows-latest

    steps:
    - uses: actions/checkout@v1
    - name: Install stack
      shell: cmd
      run: |
          choco install haskell-stack
    - name: Install dependencies
      run: |
          stack update
          stack build --dependencies-only pandoc pandoc-citeproc
    - name: Build artifacts
      shell: cmd
      run: |
          for /f "tokens=2,3,4 usebackq delims=:/ " %a in ('%date%') do set OURDATE=%c-%a-%b
          export SUFFIX=nightly-%OURDATE%
          export ARTIFACTS=nightly-windows
          mkdir %ARTIFACTS%
          stack build pandoc pandoc-citeproc
          forfiles /P .\.stack-work\install /M pandoc*.exe /S /C "cmd /C copy @path %ARTIFACTS%"
          rename %ARTIFACTS%/pandoc %ARTIFACTS%/pandoc-%SUFFIX%
          rename %ARTIFACTS%/pandoc-citeproc %ARTIFACTS%/pandoc-citeproc-%SUFFIX%
          copy COPYRIGHT %ARTIFACTS%/COPYRIGHT.txt
          echo "Built from ${GITHUB_SHA}" > ${ARTIFACTS}/README.nightly.txt
    - uses: actions/upload-artifact@master
      with:
        name: nightly-windows
        path: nightly-windows

  macos:

    runs-on: macOS-latest

    steps:
    - uses: actions/checkout@v1
    - name: Install stack
      run: |
          curl -L https://get.haskellstack.org/stable/osx-x86_64.tar.gz -o stack.tar.gz
          tar xzvf stack.tar.gz --strip-components=1 'stack*/stack'
    - name: Install dependencies
      run: |
          ./stack update
          ./stack build --dependencies-only pandoc pandoc-citeproc
    - name: Build artifacts
      run: |
          export SUFFIX=nightly-$(date +%Y-%m-%d)
          export ARTIFACTS=nightly-macos
          mkdir -p ${ARTIFACTS}
          ./stack build pandoc pandoc-citeproc
          for f in $(find .stack-work/install -name 'pandoc-*' -executable -type f); do cp $f ${ARTIFACTS}/; done
          mv ${ARTIFACTS}/pandoc ${ARTIFACTS}/pandoc-${SUFFIX}
          mv ${ARTIFACTS}/pandoc-citeproc ${ARTIFACTS}/pandoc-citeproc-${SUFFIX}
          cp COPYRIGHT ${ARTIFACTS}/
          echo "Built from ${GITHUB_SHA}" > ${ARTIFACTS}/README.nightly.txt
    - uses: actions/upload-artifact@master
      with:
        name: nightly-macos
        path: nightly-macos