#39: run only subset of tests on each branch

.github/workflows/branch-checks.yaml

@@ -12,3 +12,14 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v3
     - uses: pre-commit/[email protected]
+  # For feature branches, we don't test the full matrix (os x [stable, loose]) in order to save time & resources.
+  run-tests-loose:
+    name: Test loose pip installation on ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    uses: ./.github/workflows/_run_tests.yml
+    with:
+      python-version: ${{ matrix.python-version }}
+      os: ${{ matrix.os }}
+      install-script: "loose_pip_install.sh"

.github/workflows/pip_installation.yml

@@ -9,7 +9,7 @@ on:
   push:
     branches: [ main, development ]
   pull_request:
-    branches: [ main, development ]
+    branches: [ main ]
   workflow_dispatch:
 
 name: Pip installation and tests
@@ -29,7 +29,6 @@ jobs:
 
   loose_installation:
     name: Test loose pip installation on ${{ matrix.os }}
-    # runs-on: ${{ matrix.os }} # `runs-on` conflicts with `uses`, see https://github.com/orgs/community/discussions/62320
     strategy:
       matrix:
         # macos-latest is now arm64, which cannot install mono