573 lines
22 KiB
JavaScript
573 lines
22 KiB
JavaScript
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"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const os = require("os");
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const events = require("events");
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const child = require("child_process");
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/* eslint-disable @typescript-eslint/unbound-method */
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const IS_WINDOWS = process.platform === 'win32';
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/*
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* Class for running command line tools. Handles quoting and arg parsing in a platform agnostic way.
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*/
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class ToolRunner extends events.EventEmitter {
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constructor(toolPath, args, options) {
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super();
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if (!toolPath) {
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throw new Error("Parameter 'toolPath' cannot be null or empty.");
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}
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this.toolPath = toolPath;
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this.args = args || [];
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this.options = options || {};
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}
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_debug(message) {
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if (this.options.listeners && this.options.listeners.debug) {
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this.options.listeners.debug(message);
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}
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}
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_getCommandString(options, noPrefix) {
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const toolPath = this._getSpawnFileName();
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const args = this._getSpawnArgs(options);
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let cmd = noPrefix ? '' : '[command]'; // omit prefix when piped to a second tool
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if (IS_WINDOWS) {
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// Windows + cmd file
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if (this._isCmdFile()) {
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cmd += toolPath;
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for (const a of args) {
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cmd += ` ${a}`;
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}
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}
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// Windows + verbatim
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else if (options.windowsVerbatimArguments) {
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cmd += `"${toolPath}"`;
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for (const a of args) {
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cmd += ` ${a}`;
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}
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}
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// Windows (regular)
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else {
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cmd += this._windowsQuoteCmdArg(toolPath);
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for (const a of args) {
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cmd += ` ${this._windowsQuoteCmdArg(a)}`;
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}
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}
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}
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else {
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// OSX/Linux - this can likely be improved with some form of quoting.
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// creating processes on Unix is fundamentally different than Windows.
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// on Unix, execvp() takes an arg array.
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cmd += toolPath;
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for (const a of args) {
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cmd += ` ${a}`;
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}
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}
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return cmd;
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}
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_processLineBuffer(data, strBuffer, onLine) {
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try {
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let s = strBuffer + data.toString();
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let n = s.indexOf(os.EOL);
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while (n > -1) {
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const line = s.substring(0, n);
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onLine(line);
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// the rest of the string ...
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s = s.substring(n + os.EOL.length);
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n = s.indexOf(os.EOL);
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}
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strBuffer = s;
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}
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catch (err) {
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// streaming lines to console is best effort. Don't fail a build.
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this._debug(`error processing line. Failed with error ${err}`);
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}
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}
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_getSpawnFileName() {
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if (IS_WINDOWS) {
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if (this._isCmdFile()) {
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return process.env['COMSPEC'] || 'cmd.exe';
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}
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}
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return this.toolPath;
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}
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_getSpawnArgs(options) {
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if (IS_WINDOWS) {
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if (this._isCmdFile()) {
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let argline = `/D /S /C "${this._windowsQuoteCmdArg(this.toolPath)}`;
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for (const a of this.args) {
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argline += ' ';
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argline += options.windowsVerbatimArguments
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? a
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: this._windowsQuoteCmdArg(a);
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}
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argline += '"';
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return [argline];
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}
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}
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return this.args;
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}
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_endsWith(str, end) {
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return str.endsWith(end);
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}
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_isCmdFile() {
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const upperToolPath = this.toolPath.toUpperCase();
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return (this._endsWith(upperToolPath, '.CMD') ||
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this._endsWith(upperToolPath, '.BAT'));
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}
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_windowsQuoteCmdArg(arg) {
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// for .exe, apply the normal quoting rules that libuv applies
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if (!this._isCmdFile()) {
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return this._uvQuoteCmdArg(arg);
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}
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// otherwise apply quoting rules specific to the cmd.exe command line parser.
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// the libuv rules are generic and are not designed specifically for cmd.exe
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// command line parser.
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//
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// for a detailed description of the cmd.exe command line parser, refer to
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// http://stackoverflow.com/questions/4094699/how-does-the-windows-command-interpreter-cmd-exe-parse-scripts/7970912#7970912
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// need quotes for empty arg
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if (!arg) {
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return '""';
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}
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// determine whether the arg needs to be quoted
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const cmdSpecialChars = [
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' ',
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'\t',
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'&',
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'(',
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')',
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'[',
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']',
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'{',
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'}',
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'^',
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'=',
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';',
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'!',
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"'",
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'+',
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',',
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'`',
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'~',
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'|',
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'<',
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'>',
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'"'
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];
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let needsQuotes = false;
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for (const char of arg) {
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if (cmdSpecialChars.some(x => x === char)) {
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needsQuotes = true;
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break;
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}
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}
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// short-circuit if quotes not needed
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if (!needsQuotes) {
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return arg;
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}
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// the following quoting rules are very similar to the rules that by libuv applies.
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//
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// 1) wrap the string in quotes
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//
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// 2) double-up quotes - i.e. " => ""
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//
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// this is different from the libuv quoting rules. libuv replaces " with \", which unfortunately
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// doesn't work well with a cmd.exe command line.
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//
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// note, replacing " with "" also works well if the arg is passed to a downstream .NET console app.
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// for example, the command line:
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// foo.exe "myarg:""my val"""
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// is parsed by a .NET console app into an arg array:
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// [ "myarg:\"my val\"" ]
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// which is the same end result when applying libuv quoting rules. although the actual
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// command line from libuv quoting rules would look like:
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// foo.exe "myarg:\"my val\""
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//
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// 3) double-up slashes that preceed a quote,
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// e.g. hello \world => "hello \world"
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// hello\"world => "hello\\""world"
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// hello\\"world => "hello\\\\""world"
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// hello world\ => "hello world\\"
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//
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// technically this is not required for a cmd.exe command line, or the batch argument parser.
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// the reasons for including this as a .cmd quoting rule are:
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//
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// a) this is optimized for the scenario where the argument is passed from the .cmd file to an
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// external program. many programs (e.g. .NET console apps) rely on the slash-doubling rule.
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//
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// b) it's what we've been doing previously (by deferring to node default behavior) and we
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// haven't heard any complaints about that aspect.
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//
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// note, a weakness of the quoting rules chosen here, is that % is not escaped. in fact, % cannot be
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// escaped when used on the command line directly - even though within a .cmd file % can be escaped
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// by using %%.
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//
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// the saving grace is, on the command line, %var% is left as-is if var is not defined. this contrasts
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// the line parsing rules within a .cmd file, where if var is not defined it is replaced with nothing.
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//
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// one option that was explored was replacing % with ^% - i.e. %var% => ^%var^%. this hack would
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// often work, since it is unlikely that var^ would exist, and the ^ character is removed when the
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// variable is used. the problem, however, is that ^ is not removed when %* is used to pass the args
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// to an external program.
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//
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// an unexplored potential solution for the % escaping problem, is to create a wrapper .cmd file.
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// % can be escaped within a .cmd file.
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let reverse = '"';
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let quoteHit = true;
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for (let i = arg.length; i > 0; i--) {
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// walk the string in reverse
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reverse += arg[i - 1];
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if (quoteHit && arg[i - 1] === '\\') {
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reverse += '\\'; // double the slash
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}
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else if (arg[i - 1] === '"') {
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quoteHit = true;
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reverse += '"'; // double the quote
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}
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else {
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quoteHit = false;
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}
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}
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reverse += '"';
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return reverse
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.split('')
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.reverse()
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.join('');
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}
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_uvQuoteCmdArg(arg) {
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// Tool runner wraps child_process.spawn() and needs to apply the same quoting as
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// Node in certain cases where the undocumented spawn option windowsVerbatimArguments
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// is used.
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//
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// Since this function is a port of quote_cmd_arg from Node 4.x (technically, lib UV,
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// see https://github.com/nodejs/node/blob/v4.x/deps/uv/src/win/process.c for details),
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// pasting copyright notice from Node within this function:
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//
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// Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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if (!arg) {
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// Need double quotation for empty argument
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return '""';
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}
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if (!arg.includes(' ') && !arg.includes('\t') && !arg.includes('"')) {
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// No quotation needed
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return arg;
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}
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if (!arg.includes('"') && !arg.includes('\\')) {
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// No embedded double quotes or backslashes, so I can just wrap
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// quote marks around the whole thing.
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return `"${arg}"`;
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}
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// Expected input/output:
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// input : hello"world
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// output: "hello\"world"
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// input : hello""world
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// output: "hello\"\"world"
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// input : hello\world
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// output: hello\world
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// input : hello\\world
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// output: hello\\world
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// input : hello\"world
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// output: "hello\\\"world"
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// input : hello\\"world
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// output: "hello\\\\\"world"
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// input : hello world\
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// output: "hello world\\" - note the comment in libuv actually reads "hello world\"
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// but it appears the comment is wrong, it should be "hello world\\"
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let reverse = '"';
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let quoteHit = true;
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for (let i = arg.length; i > 0; i--) {
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// walk the string in reverse
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reverse += arg[i - 1];
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if (quoteHit && arg[i - 1] === '\\') {
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reverse += '\\';
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}
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else if (arg[i - 1] === '"') {
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quoteHit = true;
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reverse += '\\';
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}
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else {
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quoteHit = false;
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}
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}
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reverse += '"';
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return reverse
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.split('')
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.reverse()
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.join('');
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}
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_cloneExecOptions(options) {
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options = options || {};
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const result = {
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cwd: options.cwd || process.cwd(),
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env: options.env || process.env,
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silent: options.silent || false,
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windowsVerbatimArguments: options.windowsVerbatimArguments || false,
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failOnStdErr: options.failOnStdErr || false,
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ignoreReturnCode: options.ignoreReturnCode || false,
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delay: options.delay || 10000
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};
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result.outStream = options.outStream || process.stdout;
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result.errStream = options.errStream || process.stderr;
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return result;
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}
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_getSpawnOptions(options, toolPath) {
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options = options || {};
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const result = {};
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result.cwd = options.cwd;
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result.env = options.env;
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result['windowsVerbatimArguments'] =
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options.windowsVerbatimArguments || this._isCmdFile();
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if (options.windowsVerbatimArguments) {
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result.argv0 = `"${toolPath}"`;
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}
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return result;
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}
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/**
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* Exec a tool.
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* Output will be streamed to the live console.
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* Returns promise with return code
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*
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* @param tool path to tool to exec
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* @param options optional exec options. See ExecOptions
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* @returns number
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*/
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exec() {
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return __awaiter(this, void 0, void 0, function* () {
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return new Promise((resolve, reject) => {
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this._debug(`exec tool: ${this.toolPath}`);
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this._debug('arguments:');
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for (const arg of this.args) {
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this._debug(` ${arg}`);
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}
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const optionsNonNull = this._cloneExecOptions(this.options);
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|
|
if (!optionsNonNull.silent && optionsNonNull.outStream) {
|
||
|
|
optionsNonNull.outStream.write(this._getCommandString(optionsNonNull) + os.EOL);
|
||
|
|
}
|
||
|
|
const state = new ExecState(optionsNonNull, this.toolPath);
|
||
|
|
state.on('debug', (message) => {
|
||
|
|
this._debug(message);
|
||
|
|
});
|
||
|
|
const fileName = this._getSpawnFileName();
|
||
|
|
const cp = child.spawn(fileName, this._getSpawnArgs(optionsNonNull), this._getSpawnOptions(this.options, fileName));
|
||
|
|
const stdbuffer = '';
|
||
|
|
if (cp.stdout) {
|
||
|
|
cp.stdout.on('data', (data) => {
|
||
|
|
if (this.options.listeners && this.options.listeners.stdout) {
|
||
|
|
this.options.listeners.stdout(data);
|
||
|
|
}
|
||
|
|
if (!optionsNonNull.silent && optionsNonNull.outStream) {
|
||
|
|
optionsNonNull.outStream.write(data);
|
||
|
|
}
|
||
|
|
this._processLineBuffer(data, stdbuffer, (line) => {
|
||
|
|
if (this.options.listeners && this.options.listeners.stdline) {
|
||
|
|
this.options.listeners.stdline(line);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
const errbuffer = '';
|
||
|
|
if (cp.stderr) {
|
||
|
|
cp.stderr.on('data', (data) => {
|
||
|
|
state.processStderr = true;
|
||
|
|
if (this.options.listeners && this.options.listeners.stderr) {
|
||
|
|
this.options.listeners.stderr(data);
|
||
|
|
}
|
||
|
|
if (!optionsNonNull.silent &&
|
||
|
|
optionsNonNull.errStream &&
|
||
|
|
optionsNonNull.outStream) {
|
||
|
|
const s = optionsNonNull.failOnStdErr
|
||
|
|
? optionsNonNull.errStream
|
||
|
|
: optionsNonNull.outStream;
|
||
|
|
s.write(data);
|
||
|
|
}
|
||
|
|
this._processLineBuffer(data, errbuffer, (line) => {
|
||
|
|
if (this.options.listeners && this.options.listeners.errline) {
|
||
|
|
this.options.listeners.errline(line);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
cp.on('error', (err) => {
|
||
|
|
state.processError = err.message;
|
||
|
|
state.processExited = true;
|
||
|
|
state.processClosed = true;
|
||
|
|
state.CheckComplete();
|
||
|
|
});
|
||
|
|
cp.on('exit', (code) => {
|
||
|
|
state.processExitCode = code;
|
||
|
|
state.processExited = true;
|
||
|
|
this._debug(`Exit code ${code} received from tool '${this.toolPath}'`);
|
||
|
|
state.CheckComplete();
|
||
|
|
});
|
||
|
|
cp.on('close', (code) => {
|
||
|
|
state.processExitCode = code;
|
||
|
|
state.processExited = true;
|
||
|
|
state.processClosed = true;
|
||
|
|
this._debug(`STDIO streams have closed for tool '${this.toolPath}'`);
|
||
|
|
state.CheckComplete();
|
||
|
|
});
|
||
|
|
state.on('done', (error, exitCode) => {
|
||
|
|
if (stdbuffer.length > 0) {
|
||
|
|
this.emit('stdline', stdbuffer);
|
||
|
|
}
|
||
|
|
if (errbuffer.length > 0) {
|
||
|
|
this.emit('errline', errbuffer);
|
||
|
|
}
|
||
|
|
cp.removeAllListeners();
|
||
|
|
if (error) {
|
||
|
|
reject(error);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
resolve(exitCode);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.ToolRunner = ToolRunner;
|
||
|
|
/**
|
||
|
|
* Convert an arg string to an array of args. Handles escaping
|
||
|
|
*
|
||
|
|
* @param argString string of arguments
|
||
|
|
* @returns string[] array of arguments
|
||
|
|
*/
|
||
|
|
function argStringToArray(argString) {
|
||
|
|
const args = [];
|
||
|
|
let inQuotes = false;
|
||
|
|
let escaped = false;
|
||
|
|
let arg = '';
|
||
|
|
function append(c) {
|
||
|
|
// we only escape double quotes.
|
||
|
|
if (escaped && c !== '"') {
|
||
|
|
arg += '\\';
|
||
|
|
}
|
||
|
|
arg += c;
|
||
|
|
escaped = false;
|
||
|
|
}
|
||
|
|
for (let i = 0; i < argString.length; i++) {
|
||
|
|
const c = argString.charAt(i);
|
||
|
|
if (c === '"') {
|
||
|
|
if (!escaped) {
|
||
|
|
inQuotes = !inQuotes;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
append(c);
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (c === '\\' && escaped) {
|
||
|
|
append(c);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (c === '\\' && inQuotes) {
|
||
|
|
escaped = true;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (c === ' ' && !inQuotes) {
|
||
|
|
if (arg.length > 0) {
|
||
|
|
args.push(arg);
|
||
|
|
arg = '';
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
append(c);
|
||
|
|
}
|
||
|
|
if (arg.length > 0) {
|
||
|
|
args.push(arg.trim());
|
||
|
|
}
|
||
|
|
return args;
|
||
|
|
}
|
||
|
|
exports.argStringToArray = argStringToArray;
|
||
|
|
class ExecState extends events.EventEmitter {
|
||
|
|
constructor(options, toolPath) {
|
||
|
|
super();
|
||
|
|
this.processClosed = false; // tracks whether the process has exited and stdio is closed
|
||
|
|
this.processError = '';
|
||
|
|
this.processExitCode = 0;
|
||
|
|
this.processExited = false; // tracks whether the process has exited
|
||
|
|
this.processStderr = false; // tracks whether stderr was written to
|
||
|
|
this.delay = 10000; // 10 seconds
|
||
|
|
this.done = false;
|
||
|
|
this.timeout = null;
|
||
|
|
if (!toolPath) {
|
||
|
|
throw new Error('toolPath must not be empty');
|
||
|
|
}
|
||
|
|
this.options = options;
|
||
|
|
this.toolPath = toolPath;
|
||
|
|
if (options.delay) {
|
||
|
|
this.delay = options.delay;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
CheckComplete() {
|
||
|
|
if (this.done) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (this.processClosed) {
|
||
|
|
this._setResult();
|
||
|
|
}
|
||
|
|
else if (this.processExited) {
|
||
|
|
this.timeout = setTimeout(ExecState.HandleTimeout, this.delay, this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
_debug(message) {
|
||
|
|
this.emit('debug', message);
|
||
|
|
}
|
||
|
|
_setResult() {
|
||
|
|
// determine whether there is an error
|
||
|
|
let error;
|
||
|
|
if (this.processExited) {
|
||
|
|
if (this.processError) {
|
||
|
|
error = new Error(`There was an error when attempting to execute the process '${this.toolPath}'. This may indicate the process failed to start. Error: ${this.processError}`);
|
||
|
|
}
|
||
|
|
else if (this.processExitCode !== 0 && !this.options.ignoreReturnCode) {
|
||
|
|
error = new Error(`The process '${this.toolPath}' failed with exit code ${this.processExitCode}`);
|
||
|
|
}
|
||
|
|
else if (this.processStderr && this.options.failOnStdErr) {
|
||
|
|
error = new Error(`The process '${this.toolPath}' failed because one or more lines were written to the STDERR stream`);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// clear the timeout
|
||
|
|
if (this.timeout) {
|
||
|
|
clearTimeout(this.timeout);
|
||
|
|
this.timeout = null;
|
||
|
|
}
|
||
|
|
this.done = true;
|
||
|
|
this.emit('done', error, this.processExitCode);
|
||
|
|
}
|
||
|
|
static HandleTimeout(state) {
|
||
|
|
if (state.done) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!state.processClosed && state.processExited) {
|
||
|
|
const message = `The STDIO streams did not close within ${state.delay /
|
||
|
|
1000} seconds of the exit event from process '${state.toolPath}'. This may indicate a child process inherited the STDIO streams and has not yet exited.`;
|
||
|
|
state._debug(message);
|
||
|
|
}
|
||
|
|
state._setResult();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=toolrunner.js.map
|