ci: add centralized sublibrary downgrade CI#190
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ChrisRackauckas merged 1 commit intoJun 4, 2026
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Adds a caller workflow invoking the centralized SciML/.github sublibrary-downgrade.yml@v1 reusable workflow, which auto-discovers each lib/* package and runs downgrade-compat + buildpkg + runtest against it. Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com> Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Please ignore until reviewed by @ChrisRackauckas.
What
Adds
.github/workflows/DowngradeSublibraries.yml, a thin caller that invokes the centralized SciML reusable workflowSciML/.github/.github/workflows/sublibrary-downgrade.yml@v1. That reusable workflow auto-discovers everylib/*package containing aProject.tomland, for each, runsjulia-downgrade-compat+julia-buildpkg+julia-runtestagainstproject: lib/<sub>. This catches breakage against the oldest declared-compatible dependency versions, per-sublibrary.This is complementary to the existing root-level
Downgrade.yml(which downgrade-tests the top-level package); this new workflow covers thelib/*sublibraries.Sublibraries covered (7)
All discovered automatically (no explicit
projectslist), each has atest/runtests.jl:Configuration
julia-version: ltsallow-reresolve: trueskip(deps NOT downgraded):Pkg, TOML, Statistics, LinearAlgebra, SparseArrays, InteractiveUtils, Random, Test, MarkdownOnly standard libraries are skipped. None of the sublibraries declare in-repo path/dev dependencies (all their deps —
DiffEqBase,SciMLBase,Catalyst,RuntimeGeneratedFunctions,SpecialFunctions, etc. — are external registry packages), so no in-repo core/base package needed to be added toskip.Markdown,LinearAlgebra, andRandomare stdlibs used by some sublibraries and are skipped accordingly.Heads up
This adds new required-looking CI checks (one downgrade job per sublibrary, ~7 jobs). Expect new entries in the checks list on every PR/push to
master.🤖 Generated with Claude Code