Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/di/scripts/changelog.js

-#!/usr/bin/env node
-
-// TODO(vojta): pre-commit hook for validating messages
-// TODO(vojta): report errors, currently Q silence everything which really sucks
-
-var child = require('child_process');
-var fs = require('fs');
-var util = require('util');
-var q = require('qq');
-
-var GIT_LOG_CMD = 'git log --grep="%s" -E --format=%s %s';
-var GIT_TAG_CMD = 'git describe --tags --abbrev=0';
-
-var HEADER_TPL = '<a name="%s"></a>\n# %s (%s)\n\n';
-var LINK_ISSUE = '[#%s](https://github.com/angular/di.dart/issues/%s)';
-var LINK_COMMIT = '[%s](https://github.com/angular/di.dart/commit/%s)';
-
-var EMPTY_COMPONENT = '$$';
-
-
-var warn = function() {
-  console.log('WARNING:', util.format.apply(null, arguments));
-};
-
-
-var parseRawCommit = function(raw) {
-  if (!raw) return null;
-
-  var lines = raw.split('\n');
-  var msg = {}, match;
-
-  msg.hash = lines.shift();
-  msg.subject = lines.shift();
-  msg.closes = [];
-  msg.breaks = [];
-
-  lines.forEach(function(line) {
-    match = line.match(/(?:Closes|Fixes)\s#(\d+)/);
-    if (match) msg.closes.push(parseInt(match[1]));
-  });
-
-  match = raw.match(/BREAKING CHANGE:([\s\S]*)/);
-  if (match) {
-    msg.breaking = match[1];
-  }
-
-
-  msg.body = lines.join('\n');
-  match = msg.subject.match(/^(.*)\((.*)\)\:\s(.*)$/);
-
-  if (!match || !match[1] || !match[3]) {
-    warn('Incorrect message: %s %s', msg.hash, msg.subject);
-    return null;
-  }
-
-  msg.type = match[1];
-  msg.component = match[2];
-  msg.subject = match[3];
-
-  return msg;
-};
-
-
-var linkToIssue = function(issue) {
-  return util.format(LINK_ISSUE, issue, issue);
-};
-
-
-var linkToCommit = function(hash) {
-  return util.format(LINK_COMMIT, hash.substr(0, 8), hash);
-};
-
-
-var currentDate = function() {
-  var now = new Date();
-  var pad = function(i) {
-    return ('0' + i).substr(-2);
-  };
-
-  return util.format('%d-%s-%s', now.getFullYear(), pad(now.getMonth() + 1), pad(now.getDate()));
-};
-
-
-var printSection = function(stream, title, section, printCommitLinks) {
-  printCommitLinks = printCommitLinks === undefined ? true : printCommitLinks;
-  var components = Object.getOwnPropertyNames(section).sort();
-
-  if (!components.length) return;
-
-  stream.write(util.format('\n## %s\n\n', title));
-
-  components.forEach(function(name) {
-    var prefix = '-';
-    var nested = section[name].length > 1;
-
-    if (name !== EMPTY_COMPONENT) {
-      if (nested) {
-        stream.write(util.format('- **%s:**\n', name));
-        prefix = '  -';
-      } else {
-        prefix = util.format('- **%s:**', name);
-      }
-    }
-
-    section[name].forEach(function(commit) {
-      if (printCommitLinks) {
-        stream.write(util.format('%s %s\n  (%s', prefix, commit.subject, linkToCommit(commit.hash)));
-        if (commit.closes.length) {
-          stream.write(',\n   ' + commit.closes.map(linkToIssue).join(', '));
-        }
-        stream.write(')\n');
-      } else {
-        stream.write(util.format('%s %s', prefix, commit.subject));
-      }
-    });
-  });
-
-  stream.write('\n');
-};
-
-
-var readGitLog = function(grep, from) {
-  var deferred = q.defer();
-
-  // TODO(vojta): if it's slow, use spawn and stream it instead
-  console.log(util.format(GIT_LOG_CMD, grep, '%H%n%s%n%b%n==END==', from));
-  child.exec(util.format(GIT_LOG_CMD, grep, '%H%n%s%n%b%n==END==', from), function(code, stdout, stderr) {
-    var commits = [];
-
-    stdout.split('\n==END==\n').forEach(function(rawCommit) {
-      var commit = parseRawCommit(rawCommit);
-      if (commit) commits.push(commit);
-    });
-
-    deferred.resolve(commits);
-  });
-
-  return deferred.promise;
-};
-
-
-var writeChangelog = function(stream, commits, version) {
-  var sections = {
-    fix: {},
-    feat: {},
-    perf: {},
-    breaks: {}
-  };
-
-  sections.breaks[EMPTY_COMPONENT] = [];
-
-  commits.forEach(function(commit) {
-    var section = sections[commit.type];
-    var component = commit.component || EMPTY_COMPONENT;
-
-    if (section) {
-      section[component] = section[component] || [];
-      section[component].push(commit);
-    }
-
-    if (commit.breaking) {
-      sections.breaks[component] = sections.breaks[component] || [];
-      sections.breaks[component].push({
-        subject: util.format("due to %s,\n %s", linkToCommit(commit.hash), commit.breaking),
-        hash: commit.hash,
-        closes: []
-      });
-    };
-  });
-
-  stream.write(util.format(HEADER_TPL, version, version, currentDate()));
-  printSection(stream, 'Bug Fixes', sections.fix);
-  printSection(stream, 'Features', sections.feat);
-  printSection(stream, 'Performance Improvements', sections.perf);
-  printSection(stream, 'Breaking Changes', sections.breaks, false);
-}
-
-
-var generate = function(tagRange, file) {
-  console.log('Reading git log for', tagRange);
-  readGitLog('^fix|^feat|^perf|BREAKING', tagRange).then(function(commits) {
-    console.log('Parsed', commits.length, 'commits');
-    console.log('Generating changelog to', file || 'stdout', '(', tagRange, ')');
-    writeChangelog(file ? fs.createWriteStream(file) : process.stdout, commits, tagRange);
-  });
-};
-
-
-// publish for testing
-exports.parseRawCommit = parseRawCommit;
-
-// hacky start if not run by jasmine :-D
-if (process.argv.join('').indexOf('jasmine-node') === -1) {
-  generate(process.argv[2], process.argv[3]);
-}