chore(release): adds a script to automate the release process

release

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+node --harmony release.js

release.js

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+var fs = require('fs');
+var prompt = require('prompt-sync');
+var child_process = require('child_process');
+var pkg = require('./package.json');
+var oldVersion = pkg.version;
+var newVersion = getNewVersion();
+
+//-- do stuff
+checkoutVersionBranch();
+updateVersion();
+createChangelog();
+commitChanges();
+tagRelease();
+cloneBower();
+removeBower();
+
+console.log('\n--------\n');
+console.log('Your repo is ready to be pushed.');
+console.log('Please look over CHANGELOG.md and amend-commit any changes.');
+
+//-- utility methods
+function checkoutVersionBranch () {
+  child_process.execSync(fill('git co -b v{{newVersion}}'));
+}
+
+function updateVersion () {
+  process.stdout.write(fill('Updating package.json version from {{oldVersion}} to {{newVersion}}...'));
+  pkg.version = newVersion;
+  fs.writeFileSync('./package.json', JSON.stringify(pkg, null, 2));
+  console.log('done.');
+}
+
+function createChangelog () {
+  process.stdout.write(fill('Generating changelog from v{{oldVersion}} to v{{newVersion}}...'));
+  var cmd = fill('gulp changelog --sha=$(git merge-base v{{oldVersion}} HEAD)');
+  child_process.execSync(cmd);
+  console.log('done.');
+}
+
+function clear () {
+  process.stdout.write("\u001b[2J\u001b[0;0H");
+}
+
+function getNewVersion () {
+  clear();
+  var options = getVersionOptions(oldVersion), key, type, version;
+  console.log(fill('The current version is {{oldVersion}}.'));
+  console.log('What type of release is this?');
+  for (key in options) { console.log((+key + 1) + ') ' + options[key]); }
+  process.stdout.write('Please select a new version: ');
+  type = prompt();
+
+  if (options[type - 1]) version = options[type - 1];
+  else if (type.match(/^\d+\.\d+\.\d+(-rc\d+)?$/)) version = type;
+  else throw new Error('Your entry was invalid.');
+
+  clear();
+  process.stdout.write('The new version will be ' + version + '.  Is this correct? [yes/no] ');
+  return prompt() === 'yes' ? version : getNewVersion();
+
+  function getVersionOptions (version) {
+    return version.match(/-rc\d+$/)
+        ? [ increment(version, 'rc'),
+            increment(version, 'minor') ]
+        : [ increment(version, 'rc'),
+            increment(version, 'patch'),
+            increment(version, 'minor'),
+            increment(version, 'major') ];
+
+    function increment (versionString, type) {
+      var version = parseVersion(versionString);
+      if (version.rc) {
+        switch (type) {
+          case 'minor': version.rc = 0; break;
+          case 'rc': version.rc++; break;
+        }
+      } else {
+        version[type]++;
+        //-- reset any version numbers lower than the one changed
+        switch (type) {
+          case 'major': version.minor = 0;
+          case 'minor': version.patch = 0;
+          case 'patch': version.rc = 0;
+        }
+      }
+      return getVersionString(version);
+
+      function parseVersion (version) {
+        var parts = version.split(/\.|\-rc/g);
+        return { string: version, major: parts[0], minor: parts[1], patch: parts[2], rc: parts[3] || 0 };
+      }
+
+      function getVersionString(version) {
+        var str = version.major + '.' + version.minor + '.' + version.patch;
+        if (version.rc) str += '-rc' + version.rc;
+        return str;
+      }
+    };
+  }
+}
+
+function tagRelease () {
+  process.stdout.write('Tagging release...');
+  child_process.execSync(fill('git tag v{{newVersion}}'));
+  console.log('done.');
+}
+
+function commitChanges () {
+  process.stdout.write('Committing changes...');
+  child_process.execSync(fill('git commit -am "release: version {{newVersion}}"'));
+  console.log('done.');
+}
+
+function removeBower () {
+  process.stdout.write('Removing bower-material...');
+  child_process.execSync('rm -rf bower-material');
+  console.log('done.');
+}
+
+function cloneBower () {
+  process.stdout.write('Cloning bower-material from Github...');
+  child_process.execSync('git clone https://github.com/angular/bower-material.git');
+  console.log('done.');
+}
+
+function fill(str) {
+  return str.replace(/\{\{[^\}]+\}\}/g, function (match) {
+    return eval(match.substr(2, match.length - 4));
+  });
+}
+
+

reset

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+git co package.json CHANGELOG.md 2> /dev/null
+git co build 2> /dev/null
+git br -q -D v0.9.0-rc1 v0.9.1 v0.10.0 v1.0.0 2> /dev/null
+git tag -d v0.9.0-rc1 v0.9.1 v0.10.0 v1.0.0 2> /dev/null