Fix race condition in get_file

lib/install.js

@@ -18,14 +18,22 @@ var __importStar = (this && this.__importStar) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(require("@actions/core"));
 const exec_1 = require("@actions/exec/lib/exec");
-var https = require('https');
+const https = require('https');
 const fs = require('fs');
 function get_file(filename) {
  return __awaiter(this, void 0, void 0, function* () {
- let github_path = 'https://raw.githubusercontent.com/shivammathur/setup-php/develop/src/';
+ let github_path = 'https://raw.githubusercontent.com/shivammathur/setup-php/master/src/';
  const file = fs.createWriteStream(filename);
- const request = https.get(github_path + filename, function (response) {
- response.pipe(file);
+ file.on('open', function (fd) {
+ https.get(github_path + filename, function (response) {
+ response
+ .on('data', function (chunk) {
+ file.write(chunk);
+ })
+ .on('end', function () {
+ file.end();
+ });
+ });
  });
  });
 }