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Rename the old server before update

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This commit is contained in:
Laurențiu Nicola 2021-07-12 22:09:01 +03:00
parent 7988c80dd5
commit cfaf186d02
1 changed files with 41 additions and 1 deletions
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42
editors/code/src/net.ts
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@ -92,6 +92,7 @@ export async function download(opts: DownloadOpts) {
// This also avoids overwriting running executables
const randomHex = crypto.randomBytes(5).toString("hex");
const rawDest = path.parse(opts.dest.fsPath);
const oldServerPath = vscode.Uri.joinPath(vscode.Uri.file(rawDest.dir), `${rawDest.name}-stale-${randomHex}${rawDest.ext}`);
const tempFilePath = vscode.Uri.joinPath(vscode.Uri.file(rawDest.dir), `${rawDest.name}${randomHex}`);
await vscode.window.withProgress(
@ -116,7 +117,46 @@ export async function download(opts: DownloadOpts) {
}
);
await vscode.workspace.fs.rename(tempFilePath, opts.dest, { overwrite: true });
// Try to rename a running server to avoid EPERM on Windows
// NB: this can lead to issues if a running Code instance tries to restart the server.
try {
await vscode.workspace.fs.rename(opts.dest, oldServerPath, { overwrite: true });
log.info(`Renamed old server binary ${opts.dest.fsPath} to ${oldServerPath.fsPath}`);
} catch (err) {
const fsErr = err as vscode.FileSystemError;
// This is supposed to return `FileNotFound`, alas...
if (!fsErr.code || fsErr.code !== "FileNotFound" && fsErr.code !== "EntryNotFound") {
log.error(`Cannot rename existing server instance: ${err}`);
}
}
try {
await vscode.workspace.fs.rename(tempFilePath, opts.dest, { overwrite: true });
} catch (err) {
log.error(`Cannot update server binary: ${err}`);
}
// Now try to remove any stale server binaries
const serverDir = vscode.Uri.file(rawDest.dir);
try {
const entries = await vscode.workspace.fs.readDirectory(serverDir);
for (const [entry, _] of entries) {
try {
if (entry.includes(`${rawDest.name}-stale-`)) {
const uri = vscode.Uri.joinPath(serverDir, entry);
try {
await vscode.workspace.fs.delete(uri);
log.info(`Removed old server binary ${uri.fsPath}`);
} catch (err) {
log.error(`Unable to remove old server binary ${uri.fsPath}`);
}
}
} catch (err) {
log.error(`Unable to parse ${entry}`);
}
}
} catch (err) {
log.error(`Unable to enumerate contents of ${serverDir.fsPath}`);
}
}
async function downloadFile(