Merge pull request #364 from SciML/add-sublibrary-downgrade-ci

Add downgrade CI for all sublibraries

Author: ChrisRackauckas

.github/workflows/DowngradeSublibraries.yml

@@ -0,0 +1,43 @@
+name: Downgrade Sublibraries
+on:
+  pull_request:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        downgrade_mode: ['alldeps']
+        julia-version: ['1.10']
+        project:
+          - 'lib/BoundaryValueDiffEqAscher'
+          - 'lib/BoundaryValueDiffEqCore'
+          - 'lib/BoundaryValueDiffEqFIRK'
+          - 'lib/BoundaryValueDiffEqMIRK'
+          - 'lib/BoundaryValueDiffEqMIRKN'
+          - 'lib/BoundaryValueDiffEqShooting'
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: ${{ matrix.julia-version }}
+      - uses: julia-actions/julia-downgrade-compat@v2
+        with:
+          project: ${{ matrix.project }}
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+        with:
+          project: ${{ matrix.project }}
+      - uses: julia-actions/julia-runtest@v1
+        with:
+          project: ${{ matrix.project }}
+          ALLOW_RERESOLVE: false