Garry Tan and Claude Fable 5.1
f1a580e1f0
fix(setup): Chromium-install lock reclaim is atomic and pid-validated; abandoned locks expire; the tree kill walks /proc without pgrep
...
- A pid file holding "", "-1" or "0" counted as a live holder (kill -0 -1
signals every process and succeeds), locking Chromium out for good. A pid
must be a positive integer; anything else is stale.
- Two setups judging the same lock stale raced on rm -rf + mkdir and the
loser deleted the winner's fresh lock. The stale dir is renamed first
(atomic), so exactly one reclaims.
- A lock dir with no pid file (killed between mkdir and echo) was never
reclaimed; it now expires once older than the install bound.
- _kill_tree needed pgrep; debian-slim and git-bash ship none, so the bound
killed only the wrapper subshell and the installer kept running. Without
pgrep the children are found by walking /proc/*/stat.
- The timeout knob is normalized in one place with one comment; the trap's
exit 130 is the only exit the block may contain.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com >
2026-09-04 17:55:07 +00:00
..
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