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@@ -268,15 +268,19 @@ export async function installLwe(win: BrowserWindow): Promise<void> {
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send({ stage: 'cloning', message: `Copying local source from ${repo}...`, percentage: 5 })
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fs.mkdirSync(BUILD_DIR, { recursive: true })
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if (isCommandAvailable('rsync')) {
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- // --delete so files removed from the source don't linger in a reused build dir
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+ // --delete so files removed from the source don't linger in a reused build dir.
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+ // --no-times overrides -a's mtime preservation - the build dir is reused incrementally
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+ // (see canReuseBuildCache above), so a stale source mtime can make `make` skip
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+ // recompiling a changed file.
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await execFileAsync('rsync', [
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- '-a', '--delete', '--exclude=/.git', '--exclude=/build',
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+ '-a', '--no-times', '--delete', '--exclude=/.git', '--exclude=/build',
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`${repo}/`, `${BUILD_DIR}/`
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], { timeout: 120_000, maxBuffer: 10 * 1024 * 1024 })
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} else {
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+ // -m on extraction, same reason as --no-times above.
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await execFileAsync('bash', [
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'-c',
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- `tar -C ${JSON.stringify(repo)} --exclude=.git --exclude=build -cf - . | tar -C ${JSON.stringify(BUILD_DIR)} -xf -`
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+ `tar -C ${JSON.stringify(repo)} --exclude=.git --exclude=build -cf - . | tar -C ${JSON.stringify(BUILD_DIR)} -xmf -`
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], { timeout: 120_000, maxBuffer: 10 * 1024 * 1024 })
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}
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fs.writeFileSync(sourceMarker, repo, 'utf8')
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UwU