COMP: Backport CI infrastructure (ccache, GHA cache, pixi CI tasks, Azure/macOS-arm caching) to release-5.4#6334
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COMP: Backport CI infrastructure (ccache, GHA cache, pixi CI tasks, Azure/macOS-arm caching) to release-5.4#6334hjmjohnson wants to merge 5 commits into
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Backport CMake/itkCCacheSupport.cmake and the configure-ci/build-ci/test-ci pixi tasks so ITK_USE_CCACHE drives the compiler launchers on release-5.4. Remote-module enables from main's configure-ci are omitted (not present on release-5.4).
Add cleanup-pr-caches, cleanup-stale-caches-nightly, and populate-externaldata-cache; triggers adapted to release* branches and ExternalData pinned to 5.4.5.
Invoke configure-ci/build-ci/test-ci and add actions/cache for the ccache directory (release-5.4-scoped key). Matrix and Python/OS versions unchanged.
Backport CCACHE_* env vars, ccache install, and Pipeline.Workspace cache to the gcc/clang Azure jobs with release-5.4-scoped cache keys. No Python/OS/C++ standard changes.
Wire ccache into both macos-arm.yml jobs (install, actions/cache with rel54-scoped keys, CMAKE_*_COMPILER_LAUNCHER=ccache in dashboard_cache), mirroring main's arm.yml. Release config; no OS/Python/coverage changes.
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Backport CI-infrastructure improvements from
maintorelease-5.4: ccache support, GitHub Actions cache management, pixi*-citasks, and ccache caching for the Azure + macOS-arm pipelines. No toolchain/Python/OS/C++-standard version bumps — only caching/infrastructure. Draft: opened to run thepull_requestCI (pixi / macOS-arm / Azure), which a branch push alone does not trigger.Commits (one COMP: per category)
CMake/itkCCacheSupport.cmake(verbatim frommain) +include(itkCCacheSupport)inCMakeLists.txt; pixiconfigure-ci/build-ci/test-ci/build-external-data-citasks;ccache>=4dependency; regeneratedpixi.lock.configure-cisetsCMAKE_{C,CXX}_COMPILER_LAUNCHER=ccache+ITK_USE_CCACHE=ON.cleanup-pr-caches.yml,cleanup-stale-caches-nightly.yml,populate-externaldata-cache.yml+ backportedUtilities/Maintenance/PrefetchCIDContentLinks.py(wasmain-only; release-5.4 uses.cidcontent links).*-citasks +actions/cachefor ccache (ccache-rel54-*keys) +CCACHE_*tuning env.CCACHE_*env + ccache install +Cache@2withrel54-scoped keys across the 4 gcc/clang jobs (Linux, LinuxPython, MacOS, MacOSPython). Windows/MSVC untouched (matchesmain).macos-arm.ymljobs, mirroringmain'sarm.yml(rel54-scoped keys).Local validation
pixi run build-ci(macOS-arm64): clean build, 5897/5897 targets, ccache 100% cacheable with hits climbing on warm runs.configure-ciconfirmed wiringLAUNCHER = ccacheintobuild.ninja.Release/MinSizeRel(no-g) — noRelWithDebInfo+ccache interaction. Mirrorsmain's "Release not RelWithDebInfo" CI fix.clang-format linter✅,Spell Checking✅.Notes for reviewers
pixi.lockdiff is large but it is format churn, not dependency churn: regenerating with pixi 0.68.0 to addccachebumped the lockfile format v5 → v7 (now matchingmain). The only real dependency added isccache 4.13.6across all 5 platforms.configure-ciomitsmain's-DModule_*remote-module list — those modules are ingested onmainand not present onrelease-5.4; including them would break configure.LinuxLegacyRemovedDebugCxx20rename + C++20 /de_DE.UTF-8locale. The release-5.4LinuxLegacyRemovedjob staysMinSizeRel(already no-g, already ccache-friendly).