Create Github Workflows for compiling all versions of Gogol #7
Workflow file for this run
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| name: Haskell CI | |
| on: | |
| push: | |
| branches: [main] | |
| pull_request: | |
| branches: [main] | |
| # INFO: The following configuration block ensures that only one build runs per branch, | |
| # which may be desirable for projects with a costly build process. | |
| # Remove this block from the CI workflow to let each CI job run to completion. | |
| concurrency: | |
| group: build-${{ github.ref }} | |
| cancel-in-progress: true | |
| # INFO: The caching strategy was created following this post https://github.com/commercialhaskell/stack/issues/5754#issuecomment-1696156869. | |
| env: | |
| #-- increment this if you think cache of GHC installation needs cold rebuild | |
| MANUAL_CACHE_RESET_COMPILER: v0 | |
| #-- increment this if you think cache of .stack-work needs cold rebuild | |
| MANUAL_CACHE_RESET_PRODUCTS: v0 | |
| #-- increment this to force-rebuild the cache of dependency packages | |
| MANUAL_CACHE_RESET_TESTDEPS: v0 | |
| #-- should never be needed, as stackage snapshots are immutable | |
| # MANUAL_CACHE_RESET_SNAPSHOT: v0 | |
| jobs: | |
| build-haskell: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| matrix: | |
| versions: | |
| - { lts: "22.27", ghc: "9.6.5" } | |
| steps: | |
| - name: Cache GHC installation | |
| uses: actions/cache@v4 | |
| id: ghcup | |
| env: | |
| MANUAL_RESET: ${{ env.MANUAL_CACHE_RESET_COMPILER }} | |
| with: | |
| path: | | |
| ~/.ghcup/bin/* | |
| ~/.ghcup/cache/* | |
| ~/.ghcup/config.yaml | |
| ~/.ghcup/ghc/${{ matrix.versions.ghc }} | |
| key: CI-ghcup-${{ env.MANUAL_RESET }}--${{ matrix.versions.ghc }} | |
| - uses: haskell-actions/setup@v2 | |
| if: steps.ghcup.outputs.cache-hit != 'true' | |
| with: | |
| ghc-version: ${{ matrix.versions.ghc }} | |
| enable-stack: true | |
| stack-version: 'latest' | |
| cabal-update: false | |
| - name: Cache Pantry (Stackage package index) | |
| id: pantry | |
| uses: actions/cache@v4 | |
| with: | |
| path: ~/.stack/pantry | |
| key: CI-pantry-${{ matrix.versions.lts }} | |
| - name: Recompute Stackage package index | |
| if: steps.pantry.outputs.cache-hit != 'true' | |
| run: stack update # populates ~/.stack/pantry | |
| - name: Cache Haskell dependencies | |
| uses: actions/cache@v4 | |
| env: | |
| MANUAL_RESET: ${{ env.MANUAL_CACHE_RESET_TESTDEPS }} | |
| with: | |
| #-- NOTE no, shouldn't cache the entire ~/.stack -- that'd be bad. just these 2: | |
| path: | | |
| ~/.stack/stack.sqlite3 | |
| ~/.stack/snapshots | |
| #-- NOTE the caching key structure: | |
| #-- * fixed ID string -- to indicate scope & purpose, descriptive; | |
| #-- * manual reset -- on top level, stupid simple manual override; | |
| #-- * resolver version -- helps maintain sleek size of the cache; | |
| #-- * lockfile hashsum -- as invalidation trigger of the correct granularity. | |
| #-- Since this cache only stores built *dependency packages* (not project code!), | |
| #-- we should invalidate/reupload it on each change to the dependency forest (≈lockfile). | |
| #-- | |
| #-- All this decides when cache gets REBUILT (invalidated & recreated): | |
| key: CI-testdeps-${{ env.MANUAL_RESET }}--${{ matrix.versions.lts }}--${{ hashFiles('stack-${{ matrix.versions.ghc }}.yaml.lock') }} | |
| #-- All this adds fallbacks to UNPACK stale cache copies, prefix-matched: | |
| restore-keys: | | |
| CI-testdeps-${{ env.MANUAL_RESET }}--${{ matrix.versions.lts }}-- | |
| CI-testdeps-${{ env.MANUAL_RESET }}-- | |
| - name: Cache per-branch Haskell project buildstate | |
| uses: actions/cache@v4 | |
| env: | |
| MANUAL_RESET: ${{ env.MANUAL_CACHE_RESET_PRODUCTS }} | |
| with: | |
| path: .stack-work | |
| key: CI-builddir-${{ env.MANUAL_RESET }}--${{ matrix.versions.ghc }}--${{ github.head_ref }} | |
| - name: Clone project | |
| uses: actions/checkout@v2 | |
| - name: Install dependencies | |
| run: stack build --system-ghc --stack-yaml stack-${{ matrix.versions.ghc }}.yaml --only-dependencies | |
| - name: Run tests | |
| run: stack test --system-ghc --stack-yaml stack-${{ matrix.versions.ghc }}.yaml | |
| - name: Build | |
| run: stack build --system-ghc --stack-yaml stack-${{ matrix.versions.ghc }}.yaml | |