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Added additional logging for file system watchers, which appear to be broken on some Linux distros.

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This commit is contained in:
Eric Traut 2019-10-15 14:46:19 -07:00
parent 099a9b6d2e
commit aeb3ca13f5
2 changed files with 16 additions and 0 deletions
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14
server/src/analyzer/service.ts
View File

@ -59,6 +59,7 @@ export class AnalyzerService {
private _configFileWatcher: fs.FSWatcher | undefined;
private _onCompletionCallback: AnalysisCompleteCallback | undefined;
private _watchForChanges = false;
private _verboseOutput = false;
private _maxAnalysisTime?: MaxAnalysisTime;
private _analyzeTimer: any;
private _requireTrackedFileUpdate = true;
@ -91,6 +92,7 @@ export class AnalyzerService {
setOptions(commandLineOptions: CommandLineOptions): void {
this._watchForChanges = !!commandLineOptions.watch;
this._verboseOutput = !!commandLineOptions.verboseOutput;
this._configOptions = this._getConfigOptions(commandLineOptions);
this._typeStubTargetImportName = commandLineOptions.typeStubTargetImportName;
@ -707,8 +709,14 @@ export class AnalyzerService {
this._sourceFileWatcher = fileList.map(fileSpec => {
try {
if (this._verboseOutput) {
this._console.log(`Adding file system watcher for ${ fileSpec }`);
}
return fs.watch(fileSpec, { recursive: true }, (event, fileName) => {
if (event === 'change') {
if (this._verboseOutput) {
this._console.log(`Event ('change') received for file system watcher (${ fileSpec })`);
}
let filePath = fileSpec;
if (!isFile(filePath)) {
filePath = combinePaths(fileSpec, fileName);
@ -717,11 +725,17 @@ export class AnalyzerService {
this._program.markFilesDirty([filePath]);
this._scheduleReanalysis(false);
} else {
if (this._verboseOutput) {
this._console.log(`Event (other) received for file system watcher (${ fileSpec })`);
}
this._console.log(`Received other fs event'`);
this._scheduleReanalysis(true);
}
});
} catch {
if (this._verboseOutput) {
this._console.log(`Exception caught when trying to install file system watcher for (${ fileSpec })`);
}
return undefined;
}
});

2
server/src/pyright.ts
View File

@ -164,6 +164,8 @@ function processArgs() {
errorCount > 0 ?
ExitStatus.ErrorsReported :
ExitStatus.NoErrors);
} else {
console.log('Watching for file changes...');
}
});