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Prefer installing cargo-watch via Task API

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This gives us much more fine-grained stdout buffering and ANSI terminal colors.
This commit is contained in:
Igor Matuszewski 2019-03-18 21:13:49 +01:00
parent 21b73f9844
commit 4bd6143062
1 changed files with 14 additions and 23 deletions
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37
editors/code/src/extension.ts
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@ -155,30 +155,21 @@ async function askToCargoWatch() {
return;
}
try {
// await vscode.tasks.executeTask(createTask({label: '', bin: 'cargo', args: ['install', 'cargo-watch'], env: {}}));
const label = 'install-cargo-watch';
const taskFinished = new Promise((resolve, reject) => {
let disposable = vscode.tasks.onDidEndTask(({ execution }) => {
if (execution.task.name === label) {
disposable.dispose();
resolve();
};
});
});
const channel = vscode.window.createOutputChannel('cargo-watch');
channel.show(false);
const sup = spawn('cargo', ['install', 'cargo-watch']);
sup.stderr.on('data', chunk => {
const output = new TextDecoder().decode(chunk);
channel.append(output);
});
await new Promise((resolve, reject) => {
sup.on('close', (code, signal) => {
if (code === 0) {
resolve(code);
} else {
reject(code);
}
});
});
channel.dispose();
} catch (err) {
vscode.window.showErrorMessage(
`Couldn't install \`cargo-watch\`: ${err.message}`
);
vscode.tasks.executeTask(createTask({ label, bin: 'cargo', args: ['install', 'cargo-watch'], env: {} }));
await taskFinished;
const { stderr } = await util.promisify(exec)('cargo watch --version').catch(e => e);
if (stderr !== '') {
vscode.window.showErrorMessage(`Couldn't install \`cargo-\`watch: ${stderr}`);
return;
}
}