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build: improve stability of windows jobs further #30238

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Merged
merged 1 commit into from
May 4, 2025
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build: improve stability of windows jobs further #30238

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7 changes: 4 additions & 3 deletions scripts/windows-testing/convert-symlinks.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,8 @@ async function transformDir(p) {
} else {
dereferenceFns.push(async () => {
await fs.unlink(subPath);
await fs.cp(realTarget, subPath, { recursive: true });
// Note: NodeJS `fs.cp` can have issues when sources are readonly.
await exec(`cp -R ${realTarget} ${subPath}`);
});
}
} else if (file.isDirectory()) {
Expand All @@ -86,7 +87,7 @@ async function transformDir(p) {
await Promise.all(directoriesToVisit.map((d) => transformDir(d)));
}

function exec(cmd, maxRetries = 2) {
function exec(cmd, maxRetries = 3) {
return new Promise((resolve, reject) => {
childProcess.exec(cmd, { cwd: rootDir }, (error) => {
if (error !== null) {
Expand Down Expand Up @@ -119,7 +120,7 @@ try {
// Re-link symlinks to work inside Windows.
// This is done in batches to avoid flakiness due to WSL
// See: https://github.com/microsoft/WSL/issues/8677.
const batchSize = 100;
const batchSize = 75;
for (let i = 0; i < relinkFns.length; i += batchSize) {
await Promise.all(relinkFns.slice(i, i + batchSize).map((fn) => fn()));
}
Expand Down
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