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revert(live-sync): drop path-activation unit

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Frank veto: DirectoryNotEmpty re-fires on every file event (GUI writes,
wallpaper shuffle) un-debounced -> hundreds of heartbeat spawns/day.
The sweep is cheap (57 ms CPU) but the trigger design was event spam.
Exposure-window fix is an open design question; timer unchanged.
This commit is contained in:
Frank
2026-10-18 17:23:58 -07:00
parent c300f8b49c
commit b353fa9075
2 changed files with 0 additions and 21 deletions
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dotfiles/systemd-user/.config/systemd/user/live-sync.path
-13
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@@ -1,13 +0,0 @@
[Unit]
Description=Fire the live-sync heartbeat within seconds of a dotfiles-tier write
[Path]
# GUI writes (noctalia settings.toml, niri cfg) land in the repo via the
# dotfiles symlinks; this directory watch makes "GUI edit -> durable commit"
# sub-second instead of up to one heartbeat interval. DirectoryNotEmpty fires
# while the dir holds any file, so the unit re-triggers on every modification
# (the empty-dir edge case is irrelevant here — dotfiles is never empty).
DirectoryNotEmpty=%h/.omp/dotfiles
[Install]
WantedBy=paths.target
omp-docs/tools/live-sync.md
-8
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@@ -26,13 +26,6 @@ because the dirty tree collided with incoming work.
machine's own writes on a schedule. Tier law (which paths it may touch) lives
in [AGENTS.md](../../AGENTS.md) § Live-sync tiers.
`live-sync.path` (`DirectoryNotEmpty` on `dotfiles/`) activates the same
service within seconds of any GUI dotfiles write; `live-sync.timer` remains
the hourly catch-all for the machine tiers the path unit does not watch.
The trigger gap between a GUI edit and its commit is what let a 2026-10-18
trunk-sync stash destroy a month of uncommitted bar layout — a timer-only
heartbeat leaves up to 59 minutes of exposure.
## Contract (black-box)
Run = one pass: flock → branch guard (`main` only) → stage allowlisted dirty
@@ -68,7 +61,6 @@ with the usual dotfiles chain:
```bash
systemctl --user enable --now live-sync.timer # after the unit is linked
systemctl --user enable --now live-sync.path # sub-second dotfiles trigger
systemctl --user start live-sync.service # one manual heartbeat
journalctl --user -u live-sync.service -n 20 # observe
```