Merge pull request #179 from penelopeysm/emojis #29
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| name: CI | |
| # when the workflow will run | |
| on: | |
| push: | |
| branches: [ master ] | |
| pull_request: | |
| # Allows manually starting this workflow from the Actions tab | |
| workflow_dispatch: | |
| jobs: | |
| # To dynamically create a build matrix, we generate a JSON output from one job | |
| # and use fromJson in the next job to construct the matrix. | |
| # This dynamic approach means we don't have to update the CI file when we | |
| # change supported GHC versions. | |
| generate-matrix: | |
| name: Generate GHC build matrix | |
| runs-on: ubuntu-latest | |
| outputs: | |
| ghc-matrix: ${{ steps.set-ghc-matrix.outputs.versions }} | |
| steps: | |
| - uses: actions/checkout@v2 | |
| - name: Parse the cabal tested-with stanza | |
| id: parse | |
| run: | | |
| echo "::set-output name=tested-with-versions::$(runghc .github/workflows/parseVersions.hs)" | |
| - name: Set the GHC matrix for the next job | |
| id: set-ghc-matrix | |
| # We use single quotes here, since the output from the previous step | |
| # will not have escaped double quotes, and it's just easier to use single | |
| # quotes on the outside than try to escape the inner double quotes. | |
| run: echo '::set-output name=versions::{"ghc-version":${{ steps.parse.outputs.tested-with-versions }}}' | |
| build: | |
| name: Build Check | |
| needs: generate-matrix | |
| runs-on: ubuntu-latest | |
| strategy: | |
| # Whether to stop other jobs in the matrix if one fails. This is undesirable | |
| # since we want to check e.g. it compiles on 8.10.7 regardless of the status | |
| # of 9.X. | |
| fail-fast: false | |
| # Feed the json from the previous job. | |
| matrix: ${{ fromJson(needs.generate-matrix.outputs.ghc-matrix) }} | |
| steps: | |
| - uses: actions/checkout@v2 | |
| - uses: haskell/actions/setup@v2 | |
| id: setup-haskell | |
| with: | |
| # We install a global GHC and use Stack with --system-ghc | |
| ghc-version: ${{ matrix.ghc-version }} | |
| enable-stack: true | |
| # First run cabal, since it is generally quicker | |
| - name: "Cabal: Update cabal package database, generate build plan" | |
| run: | | |
| cabal update | |
| cabal build --dry-run | |
| - name: "Cabal: Cache Dependencies" | |
| id: cache | |
| uses: actions/cache@v2 | |
| with: | |
| # Include the build plan file generated by cabal configure, but allow | |
| # restoring without its hash as long as the GHC version is the same. | |
| key: cabal-${{ runner.os }}-${{ matrix.ghc-version }}-${{ hashFiles('**/plan.json') }} | |
| restore-keys: | | |
| cabal-${{ runner.os }}-${{ matrix.ghc-version }} | |
| path: | | |
| ${{ steps.setup-haskell.outputs.cabal-store }} | |
| dist-newstyle | |
| - name: "Cabal: Build" | |
| run: cabal build | |
| # Now run stack | |
| - name: "Stack: Cache ~/.stack" | |
| id: cache-stack | |
| uses: actions/cache@v2 | |
| with: | |
| path: ~/.stack | |
| key: stack-${{ runner.os }}-${{ matrix.ghc-version }}-${{ hashFiles('stack.yaml') }} | |
| restore-keys: | | |
| stack-${{ runner.os }}-${{ matrix.ghc-version }} | |
| - name: "Stack: Build" | |
| run: stack build --system-ghc |