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Fix ENOBUFS with large number of executable files

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This commit is contained in:
Girish Ramakrishnan
2021-03-05 15:09:56 -08:00
parent 91a229305d
commit ac18fb47b4
1 changed files with 4 additions and 3 deletions
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7
src/backups.js
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@@ -554,16 +554,17 @@ function saveFsMetadata(dataLayout, metadataFile, callback) {
symlinks: []
};
// we assume small number of files. spawnSync will raise a ENOBUFS error after maxBuffer
for (let lp of dataLayout.localPaths()) {
const emptyDirs = safe.child_process.execSync(`find ${lp} -type d -empty\n`, { encoding: 'utf8' });
const emptyDirs = safe.child_process.execSync(`find ${lp} -type d -empty`, { encoding: 'utf8', maxBuffer: 1024 * 1024 * 10 });
if (emptyDirs === null) return callback(new BoxError(BoxError.FS_ERROR, `Error finding empty dirs: ${safe.error.message}`));
if (emptyDirs.length) metadata.emptyDirs = metadata.emptyDirs.concat(emptyDirs.trim().split('\n').map((ed) => dataLayout.toRemotePath(ed)));
const execFiles = safe.child_process.execSync(`find ${lp} -type f -executable\n`, { encoding: 'utf8' });
const execFiles = safe.child_process.execSync(`find ${lp} -type f -executable`, { encoding: 'utf8', maxBuffer: 1024 * 1024 * 10 });
if (execFiles === null) return callback(new BoxError(BoxError.FS_ERROR, `Error finding executables: ${safe.error.message}`));
if (execFiles.length) metadata.execFiles = metadata.execFiles.concat(execFiles.trim().split('\n').map((ef) => dataLayout.toRemotePath(ef)));
const symlinks = safe.child_process.execSync(`find ${lp} -type l\n`, { encoding: 'utf8' });
const symlinks = safe.child_process.execSync(`find ${lp} -type l`, { encoding: 'utf8', maxBuffer: 1024 * 1024 * 10 });
if (symlinks === null) return callback(new BoxError(BoxError.FS_ERROR, `Error finding symlinks: ${safe.error.message}`));
if (symlinks.length) metadata.symlinks = metadata.symlinks.concat(symlinks.trim().split('\n').map((sl) => {
const target = safe.fs.readlinkSync(sl);