Add gcov-based test pruning with file-level coverage cache#1273

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sbryngelson wants to merge 25 commits into

MFlowCode:masterfrom

sbryngelson:gcov-test-pruning

Commits on Mar 1, 2026

Add gcov-based test pruning with file-level coverage cache

sbryngelson
and
claude
committed
Address review feedback: report target failures, gate Fypp flag, remove dead code

sbryngelson
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claude
committed
Disable LTO for gcov builds to fix post_process link failure

sbryngelson
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claude
committed
Fix gcov build on GNR: override -O3 and skip -march=native

sbryngelson
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claude
committed
Address bot review: remove dead code, add set -e and repo guard

sbryngelson
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claude
committed
Address code review: fix help text, CI resilience, error handling

sbryngelson
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claude
committed
Narrow bare except in collect_coverage_for_test, add fork PR guard

sbryngelson
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claude
committed
Regenerate gcov coverage cache on GNR (555/555 tests)

sbryngelson
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claude
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Post PR comment when coverage cache is auto-updated

sbryngelson
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claude
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Wrap gcda_dir in try/finally to prevent temp directory leak

sbryngelson
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claude
committed
Rebase before push in commit-cache to handle concurrent updates

sbryngelson
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claude
committed
Enable --only-changes in CI to skip unaffected tests

sbryngelson
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claude
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TEMP: disable CMakeLists.txt from ALWAYS_RUN_ALL to test pruning in CI

sbryngelson
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claude
committed
Fix shallow clone: deepen history for git merge-base in CI

sbryngelson
and
claude
committed
Gate --only-changes on PRs only, add push retry in commit-cache

sbryngelson
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claude
committed
TEMP: test pruning with a trivial comment change in m_bubbles.fpp

sbryngelson
and
claude
committed
Revert temp test changes: restore CMakeLists.txt guard and comment

sbryngelson
and
claude
committed
Add case.fpp, cmake/, coverage.py to ALWAYS_RUN_ALL; fix retry loop and missing binary warning

sbryngelson
and
claude
committed
TEMP: test dep-change detection and cache rebuild in CI

sbryngelson
and
claude
committed
TEMP: remove draft gate from rebuild-cache to test in draft PR

sbryngelson
and
claude
committed
Fix rebuild-cache: clean stale GPU build before gcov build

sbryngelson
and
claude
committed
Parallelize Phase 2 coverage collection with batched gcov calls

sbryngelson
and
claude
committed
TEMP: disable CMakeLists test; fix pylint too-many-locals

sbryngelson
and
claude
committed
Move cache commit to master push; add workflow_dispatch trigger

sbryngelson
and
claude
committed
Fix parallel Phase 2: co-locate .gcno with .gcda; cap Phase 1 at 32 workers

sbryngelson
and
claude
committed

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Add gcov-based test pruning with file-level coverage cache#1273

Add gcov-based test pruning with file-level coverage cache#1273
sbryngelson wants to merge 25 commits into
MFlowCode:masterfrom
sbryngelson:gcov-test-pruning

Commits on Mar 1, 2026

Add gcov-based test pruning with file-level coverage cache

Address review feedback: report target failures, gate Fypp flag, remove dead code

Disable LTO for gcov builds to fix post_process link failure

Fix gcov build on GNR: override -O3 and skip -march=native

Address bot review: remove dead code, add set -e and repo guard

Address code review: fix help text, CI resilience, error handling

Narrow bare except in collect_coverage_for_test, add fork PR guard

Regenerate gcov coverage cache on GNR (555/555 tests)

Post PR comment when coverage cache is auto-updated

Wrap gcda_dir in try/finally to prevent temp directory leak

Rebase before push in commit-cache to handle concurrent updates

Enable --only-changes in CI to skip unaffected tests

TEMP: disable CMakeLists.txt from ALWAYS_RUN_ALL to test pruning in CI

Fix shallow clone: deepen history for git merge-base in CI

Gate --only-changes on PRs only, add push retry in commit-cache

TEMP: test pruning with a trivial comment change in m_bubbles.fpp

Revert temp test changes: restore CMakeLists.txt guard and comment

Add case.fpp, cmake/, coverage.py to ALWAYS_RUN_ALL; fix retry loop and missing binary warning

TEMP: test dep-change detection and cache rebuild in CI

TEMP: remove draft gate from rebuild-cache to test in draft PR

Fix rebuild-cache: clean stale GPU build before gcov build

Parallelize Phase 2 coverage collection with batched gcov calls

TEMP: disable CMakeLists test; fix pylint too-many-locals

Move cache commit to master push; add workflow_dispatch trigger

Fix parallel Phase 2: co-locate .gcno with .gcda; cap Phase 1 at 32 workers