Merge pull request #173 from mindstorms6/master

Make the parsing of npm pack output more robust

packages/jsii-pacmak/bin/jsii-pacmak.ts

@@ -183,7 +183,11 @@ async function npmPack(packageDir: string, tmpdir: string): Promise<string> {
         args.push('--loglevel=verbose');
     }
     const out = await shell('npm', args, { cwd: tmpdir });
-    return path.resolve(tmpdir, out.trim());
+    // Take only the last line of npm pack which should contain the
+    // tarball name. otherwise, there can be a lot of extra noise there
+    // from scripts that emit to STDOUT.
+    const lines = out.trim().split(os.EOL);
+    return path.resolve(tmpdir, lines[lines.length - 1].trim());
 }
 
 async function updateNpmIgnore(packageDir: string, excludeOutdir: string | undefined) {