Restore AUR publishing automation - #126
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On pre-6.11 kernels the handler returns void and cannot communicate a new event count, so injecting synthetic events into the vals buffer is undefined behavior. Restrict ensure_axes_for_rotation() and the memmove injection to __cleanup_events (>= 6.11) only.
* Improve C test reporting * Handle snapshot diff pipe failures
* Add root cause analysis for divide-by-zero kernel panic in maccel_events Add three RCA documents analyzing the #DE divide-by-zero panic in maccel_events (issue #112). The documents cover the fault mechanism where consecutive EV_SYN events with identical ktime_get() timestamps produce a zero divisor in input_speed(), triggering a fatal idivq in interrupt context. Each RCA examines the call path, root causes including unguarded fixed-point divisions and missing parameter validation, and potential fix strategies. * Add tests for division-by-zero and invalid timing guards Add a test for div128_s64_s64 with a zero divisor, running it in a forked child to catch the current SIGFPE trap and assert a clean exit once the guard is implemented. Create a new test suite for acceleration functions that validates survival and correct behavior when given zero or negative time deltas, zero input DPI, and a motivity of exactly one (which produces a zero logarithm divisor). Each case runs in a forked child to prevent the current SIGFPE from killing the test runner. * Add guard tests for division-by-zero kernel panic Encode the safety invariant for maccel#112: division by zero in the fixed-point hot path (time_ms, input_dpi, motivity) must return a defined value, not trap #DE/SIGFPE. Each case runs in a forked child so the current unsafe behavior fails as an assertion instead of core-dumping the suite. Red until the guards are implemented. * Guard fixed-point division and input speed against zero/invalid divisors fpt_div and div128_s64_s64 returned undefined behavior (SIGFPE in userspace, #DE in IRQ context) on a zero divisor. input_speed also divided by time_ms without checking, and left LAST_INPUT_MOUSE_SPEED stale on early return. Return 0 on zero divisor, and return 0 / clear the published speed when time_ms <= 0 or distance calculation fails. Fixes the panic in maccel#112. * Remove outdated RCAs for divide-by-zero kernel panic The root cause analysis documents for issue #112 are no longer relevant as the fix has been implemented. These files contained duplicate and superseded analysis from multiple AI models, and keeping them in the repository would cause confusion about the current state of the fix. * Handle interrupted test child waits
…ishing # Conflicts: # .github/workflows/Release_AUR.yml # AGENTS.md
Expose default Nix package
Remove all installed DKMS versions
Add angle snapping
Automate and publish the AUR package
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Important
Draft only: keep this unmerged until AUR registration is available and repository credentials can be configured.
Summary
maccel-dkmsAUR package and release workflow from Automate and publish the AUR package #102v0.6.0archiveVerification
actionlint .github/workflows/Release_AUR.ymlbash -n packaging/aur/PKGBUILDbash -n packaging/aur/maccel.installmakepkg --verifysource --dir packaging/aurmaccel-dkms 0.6.0-1package buildBlocker
AUR account creation is currently unreliable during Arch Linux’s active malicious-package incident, so
AUR_USERNAME,AUR_EMAIL, andAUR_SSH_KEYremain unavailable.Related to #32.