CI #41
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| name: CI | |
| on: | |
| pull_request: | |
| branches: [master] | |
| push: | |
| branches: [master] | |
| # additionally run once per week (At 00:00 on Sunday) to maintain cache | |
| schedule: | |
| - cron: "0 0 * * 0" | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| build: | |
| name: Build and test | |
| runs-on: ubuntu-latest | |
| env: | |
| GHC_VERSION: 9.4.8 | |
| STACK_LTS: "0" # actual value will be set in later steps | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - name: Setup job-local environment | |
| run: | | |
| { | |
| echo "STACK_LTS=$(awk '/^resolver:/{print $2}' stack.yaml)" | |
| } >> $GITHUB_ENV | |
| - name: Cache GHC installation | |
| uses: actions/cache@v3 | |
| id: ghcup | |
| with: | |
| path: | | |
| ~/.ghcup/bin/* | |
| ~/.ghcup/cache/* | |
| ~/.ghcup/config.yaml | |
| ~/.ghcup/ghc/${{ env.GHC_VERSION }} | |
| key: ghcup-${{ env.GHC_VERSION }} | |
| - uses: haskell/actions/setup@v2 | |
| if: steps.ghcup.outputs.cache-hit != 'true' | |
| with: | |
| ghc-version: ${{ env.GHC_VERSION }} | |
| enable-stack: true | |
| stack-version: "latest" | |
| - name: Cache Pantry (Stackage package index) | |
| id: pantry | |
| uses: actions/cache@v3 | |
| with: | |
| path: ~/.stack/pantry | |
| key: stackPantry-${{ env.GHC_VERSION }}-${{ env.STACK_LTS }} | |
| restore-keys: | | |
| stackPantry-${{ env.GHC_VERSION }}- | |
| stackPantry- | |
| - name: Recompute Stackage package index | |
| if: steps.pantry.outputs.cache-hit != 'true' | |
| run: stack update # populates ~/.stack/pantry | |
| - name: Configure Stack | |
| run: | | |
| stack config set install-ghc false --global | |
| stack config set system-ghc true --global | |
| - name: Cache Haskell dependencies | |
| uses: actions/cache@v3 | |
| with: | |
| path: | | |
| ~/.stack/stack.sqlite3 | |
| ~/.stack/snapshots | |
| # NOTE: the caching key structure: | |
| # * ghc version -- helps maintain sleek size of the cache; | |
| # * 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: haskellDeps-${{ env.GHC_VERSION }}-${{ env.STACK_LTS }}-${{ hashFiles('**/stack.yaml.lock') }} | |
| restore-keys: | | |
| haskellDeps-${{ env.GHC_VERSION }}-${{ env.STACK_LTS }}- | |
| haskellDeps-${{ env.GHC_VERSION }}- | |
| haskellDeps- | |
| - name: Build & Test | |
| run: | | |
| stack build -j2 --fast --test --pedantic \ | |
| --ghc-options="-j -O0" |