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Unified Diff: tools/apps/update_homebrew/bin/update_homebrew.dart

Issue 608693004: Add tools script to update homebrew, the MacOS SDK updating solution. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 3 months ago
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Index: tools/apps/update_homebrew/bin/update_homebrew.dart
diff --git a/tools/apps/update_homebrew/bin/update_homebrew.dart b/tools/apps/update_homebrew/bin/update_homebrew.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c433c2070f147b2bc11745ea7541ab1dea62dfa8
--- /dev/null
+++ b/tools/apps/update_homebrew/bin/update_homebrew.dart
@@ -0,0 +1,136 @@
+// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library update_repo;
+
+import 'dart:io';
+import 'dart:convert';
+import 'dart:async';
+import 'package:http/http.dart' as http;
+import 'package:args/args.dart';
+import 'package:googleapis/storage/v1.dart' as storage;
+import 'package:googleapis/common/common.dart' show DownloadOptions, Media;
+
+String repository; // The path to the temporary git checkout of dart-homebrew.
+Map gitEnvironment; // Pass a wrapper script for SSH to git in the environment.
+
+void check(String message, bool condition) {
+ if (!condition) {
+ print(message);
+ exit(1);
+ }
+}
+
+int firstIndexWhere(List l, bool test(e)) {
+ for (int i = 0; i < l.length; ++i) {
+ if (test(l[i])) return i;
+ }
+ return -1;
+}
+
+Future<String> getHash256(String channel, int revision, String download) {
+ var client = new http.Client();
+ var api = new storage.StorageApi(client);
+ return
+ api.objects.get('dart-archive',
+ 'channels/$channel/release/$revision/$download.sha256sum',
+ downloadOptions: DownloadOptions.FullMedia)
+ .then((Media media) => ASCII.decodeStream(media.stream))
+ .whenComplete(client.close);
+}
+
+Future<String> getVersion(String channel, int revision) {
+ var client = new http.Client();
+ var api = new storage.StorageApi(client);
+ return api.objects.get('dart-archive',
+ 'channels/$channel/release/$revision/VERSION',
+ downloadOptions: DownloadOptions.FullMedia)
+ .then((Media media) => JSON.fuse(ASCII).decoder.bind(media.stream).first)
+ .then((versionObject) => versionObject['version'])
+ .whenComplete(client.close);
+}
+
+Future modifyHomebrewFormulas(String channel, int revision) {
Søren Gjesse 2014/09/26 08:55:00 Wouldn't it be easier to have the full Ruby source
+ // Read script to lines, from file
+ Future<List<String>> getLines(String filename) {
+ final file = new File('$repository/$filename');
+ final lines = ASCII.decoder.fuse(new LineSplitter()).bind(file.openRead());
+ return lines.toList();
+ }
+
+ // Modify url, sha256, version lines
+ Future<List<String>> modifyLines(List<String> lines, String download) {
+ final int pos = firstIndexWhere(lines, (line) => line.contains(
+ "url 'https://storage.googleapis.com/dart-archive/channels/$channel")
+ && line.contains(download));
+ check("URL line not found", pos >= 0);
+ check("Version line not found", lines[pos - 1].contains("version '"));
+ check("sha256 line not found", lines[pos + 1].contains("sha256 '"));
+
+ final indent = new RegExp('^\\s*').stringMatch(lines[pos]);
+ lines[pos] =
+ "${indent}url 'https://storage.googleapis.com/dart-archive/channels/"
+ "$channel/release/$revision/$download'";
+ return getHash256(channel, revision, download)
+ .then((hashLine) {
+ final hash = new RegExp('[0-9a-fA-F]*').stringMatch(hashLine);
+ lines[pos + 1] = "${indent}sha256 '$hash'";
+ })
+ .then((_) => getVersion(channel, revision))
+ .then((version) {
+ lines[pos - 1] = "${indent}version '$version'";
+ return lines;
+ });
+ }
+
+ Future saveLines(List<String> lines, String filename) {
+ final file = new File('$repository/$filename');
+ return (file.openWrite()..writeAll(lines, '\n')..write('\n')).close();
+ }
+
+ // Write lines to file
+ return getLines('dartium.rb')
+ .then((lines) =>
+ modifyLines(lines, 'dartium/dartium-macos-ia32-release.zip'))
+ .then((lines) => saveLines(lines, 'dartium.rb'))
+ .then((_) => getLines('dart.rb'))
+ .then((lines) => modifyLines(lines, 'sdk/dartsdk-macos-x64-release.zip'))
+ .then((lines) => modifyLines(lines, 'sdk/dartsdk-macos-ia32-release.zip'))
+ .then((lines) => saveLines(lines, 'dart.rb'));
+}
+
+Future runGit(List<String> args) {
+ print("git ${args.join(' ')}");
+ return Process.run('git', args, workingDirectory: repository,
+ environment: gitEnvironment)
+ .then((result) {
+ print(result.stdout);
+ print(result.stderr);
+ });
+}
+
+main(args) {
+ final parser = new ArgParser()
+ ..addOption('revision', abbr: 'r')
+ ..addOption('channel', abbr: 'c', allowed: ['dev', 'stable'])
+ ..addOption('key', abbr: 'k');
+ final options = parser.parse(args);
+ final revision = options['revision'];
+ final channel = options['channel'];
+ final sshWrapper = Platform.script.resolve('ssh_with_key').toFilePath();
+ gitEnvironment = {'GIT_SSH': sshWrapper,
+ 'SSH_KEY_PATH': options['key']};
+
+ Directory.systemTemp.createTemp('update_homebrew')
+ .then((tempDir) {
+ repository = tempDir.path;
+ })
+ .then((_) => runGit(
+ ['clone', 'git@github.com:dart-lang/homebrew-dart.git', '.']))
+ .then((_) => modifyHomebrewFormulas(channel, revision))
+ .then((_) => runGit(['commit', '-a', '-m',
+ 'Updated $channel branch to revision $revision']))
+ .then((_) => runGit(['push']))
+ .whenComplete(() => new Directory(repository).delete(recursive: true));
+}
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