Function runSingleCommand

src/spec-node/utils.ts:562–593

(command: string | string[], name?: string)

		// Runs a command.
		// Useful for the object syntax, where >1 command can be specified to run in parallel.
		async function runSingleCommand(command: string | string[], name?: string) {
			const updatedCommand = isWindows && Array.isArray(command) && command.length ?
				[(command[0] || '').replace(/\//g, '\\'), ...command.slice(1)] :
				command;
			const args = typeof updatedCommand === 'string' ? [...shell, updatedCommand] : updatedCommand;
			if (!args.length) {
				return;
			}

			// 'name' is set when parallel execution syntax is used.
			if (name) {
				infoOutput.raw(`\x1b[1mRunning '${name}' from ${hookName}...\x1b[0m\r\n\r\n`);
			} else {
				infoOutput.raw(`\x1b[1mRunning the ${hookName} from devcontainer.json...\x1b[0m\r\n\r\n`);
			}

			// If we have a command name then the command is running in parallel and
			// we need to hold output until the command is done so that the output
			// doesn't get interleaved with the output of other commands.
			const print = name ? 'end' : 'continuous';

		await runCommand({
			ptyExec: cliHost.ptyExec,
			cmd: args[0],
			args: args.slice(1),
			env: dockerEnv,
			output: infoOutput,
			onDidInput,
			print,
		});
		infoOutput.raw('\r\n');
		}

		let commands;
		if (typeof userCommand === 'string' || Array.isArray(userCommand)) {