cadence/out-of-your-element
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heatsync stability fixes #98

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cadence merged 1 commit from l1s5/out-of-your-element:heatsync-fixes into main 2026-10-26 11:25:52 +00:00
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heatsync: do not hot reload on ctime-only changes

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`fs.watchFile()` calls its listener on all changes to any file attribute,
including `ctime`. Hardlinking a file changes its `ctime`, which is
what `nix store optimize` does when it deduplicates identical files,
causing an unnecessary reload in production environments.

This change makes it so we completely ignore ctime changes, and only
reload when mtime/size changes.
l1s5 2026-10-25 03:00:07 +09:00
commit e2ed40da61
Signed by untrusted user: l1s5
GPG key ID: D0A90CC905B58D9B

6
start.js
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@ -13,7 +13,11 @@ const {reg} = require("./src/matrix/read-registration")
const passthrough = require("./src/passthrough") const passthrough = require("./src/passthrough")
const db = new sqlite("ooye.db") const db = new sqlite("ooye.db")
const sync = new HeatSync({watchFunction: fs.watchFile}) const sync = new HeatSync({
watchFunction: (path, options, listener) => fs.watchFile(path, options, (curr, prev) => {
if (curr.mtimeMs !== prev.mtimeMs || curr.size !== prev.size) listener()
})
})
Object.assign(passthrough, {sync, db}) Object.assign(passthrough, {sync, db})