take CI.yml from SpeedyWeather.jl

Author: milankl

.github/workflows/CI.yml

@@ -1,31 +1,20 @@
 name: CI
 on:
+  pull_request:
+    branches:
+      - main
   push:
     branches:
       - main
-    tags: ['*']
-  pull_request:
-  workflow_dispatch:
-concurrency:
-  # Skip intermediate builds: always.
-  # Cancel intermediate builds: only if it is a pull request build.
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 jobs:
   test:
-    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 60
-    permissions: # needed to allow julia-actions/cache to proactively delete old caches that it has created
-      actions: write
-      contents: read
     strategy:
-      fail-fast: false
       matrix:
         version:
-          - '1.10'
           - '1.8'
-          - 'nightly'
+          - '1.9'
+          - '1.10'
         os:
           - ubuntu-latest
         arch:
@@ -36,6 +25,17 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: julia-actions/cache@v1
+      - uses: actions/cache@v3
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
+        env:
+          GITHUB_AUTH: ${{ secrets.GITHUB_TOKEN }}