diff --git a/.vscode/launch.json b/.vscode/launch.json
index 21d3c6d8fd2..7e816b25572 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -5,10 +5,10 @@
 			"name": "Launch",
 			"type": "node",
 			"request": "launch",
-			"program": "node_modules/gulp/bin/gulp.js",
+			"program": "${workspaceRoot}/scripts/publish.js",
 			"stopOnEntry": false,
 			"args": [],
-			"cwd": ".",
+			"cwd": "${workspaceRoot}",
 			"runtimeExecutable": null,
 			"runtimeArgs": [
 				"--nolazy"
diff --git a/changes/testbump-guid.json b/changes/testbump-guid.json
new file mode 100644
index 00000000000..f7995416895
--- /dev/null
+++ b/changes/testbump-guid.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/gulp-core-serve",
+      "type": "patch",
+      "comments": [
+        "Republishing a package from new repo."
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/common/npm-shrinkwrap.json b/common/npm-shrinkwrap.json
index d8760dfe5ad..ebda5065af2 100644
--- a/common/npm-shrinkwrap.json
+++ b/common/npm-shrinkwrap.json
@@ -67,21 +67,9 @@
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz"
     },
     "accepts": {
-      "version": "1.1.4",
-      "from": "accepts@1.1.4",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.1.4.tgz",
-      "dependencies": {
-        "mime-db": {
-          "version": "1.12.0",
-          "from": "mime-db@>=1.12.0 <1.13.0",
-          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.12.0.tgz"
-        },
-        "mime-types": {
-          "version": "2.0.14",
-          "from": "mime-types@>=2.0.4 <2.1.0",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.0.14.tgz"
-        }
-      }
+      "version": "1.3.3",
+      "from": "accepts@1.3.3",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz"
     },
     "acorn": {
       "version": "3.3.0",
@@ -269,9 +257,9 @@
       "resolved": "https://registry.npmjs.org/Base64/-/Base64-0.2.1.tgz"
     },
     "base64-arraybuffer": {
-      "version": "0.1.2",
-      "from": "base64-arraybuffer@0.1.2",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.2.tgz"
+      "version": "0.1.5",
+      "from": "base64-arraybuffer@0.1.5",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz"
     },
     "base64-js": {
       "version": "1.2.0",
@@ -330,9 +318,9 @@
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.1.3.tgz"
     },
     "binary-extensions": {
-      "version": "1.6.0",
+      "version": "1.7.0",
       "from": "binary-extensions@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.6.0.tgz"
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.7.0.tgz"
     },
     "binaryextensions": {
       "version": "1.0.1",
@@ -459,9 +447,9 @@
       "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz"
     },
     "caniuse-db": {
-      "version": "1.0.30000541",
+      "version": "1.0.30000547",
       "from": "caniuse-db@>=1.0.30000488 <2.0.0",
-      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000541.tgz"
+      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000547.tgz"
     },
     "cardinal": {
       "version": "1.0.0",
@@ -837,9 +825,9 @@
       "resolved": "https://registry.npmjs.org/dateformat/-/dateformat-1.0.12.tgz"
     },
     "deasync": {
-      "version": "0.1.7",
+      "version": "0.1.8",
       "from": "deasync@>=0.1.7 <0.2.0",
-      "resolved": "https://registry.npmjs.org/deasync/-/deasync-0.1.7.tgz"
+      "resolved": "https://registry.npmjs.org/deasync/-/deasync-0.1.8.tgz"
     },
     "debug": {
       "version": "2.2.0",
@@ -977,9 +965,9 @@
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz"
     },
     "emojis-list": {
-      "version": "2.0.1",
+      "version": "2.1.0",
       "from": "emojis-list@>=2.0.0 <3.0.0",
-      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.0.1.tgz"
+      "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz"
     },
     "encodeurl": {
       "version": "1.0.1",
@@ -999,26 +987,19 @@
       }
     },
     "engine.io": {
-      "version": "1.6.11",
-      "from": "engine.io@1.6.11",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-1.6.11.tgz"
+      "version": "1.7.0",
+      "from": "engine.io@1.7.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-1.7.0.tgz"
     },
     "engine.io-client": {
-      "version": "1.6.11",
-      "from": "engine.io-client@1.6.11",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.6.11.tgz",
-      "dependencies": {
-        "ws": {
-          "version": "1.0.1",
-          "from": "ws@1.0.1",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-1.0.1.tgz"
-        }
-      }
+      "version": "1.7.0",
+      "from": "engine.io-client@1.7.0",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.7.0.tgz"
     },
     "engine.io-parser": {
-      "version": "1.2.4",
-      "from": "engine.io-parser@1.2.4",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-1.2.4.tgz",
+      "version": "1.3.0",
+      "from": "engine.io-parser@1.3.0",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-1.3.0.tgz",
       "dependencies": {
         "has-binary": {
           "version": "0.1.6",
@@ -1057,19 +1038,7 @@
     "errorhandler": {
       "version": "1.4.3",
       "from": "errorhandler@>=1.4.2 <1.5.0",
-      "resolved": "https://registry.npmjs.org/errorhandler/-/errorhandler-1.4.3.tgz",
-      "dependencies": {
-        "accepts": {
-          "version": "1.3.3",
-          "from": "accepts@>=1.3.0 <1.4.0",
-          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz"
-        },
-        "negotiator": {
-          "version": "0.6.1",
-          "from": "negotiator@0.6.1",
-          "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz"
-        }
-      }
+      "resolved": "https://registry.npmjs.org/errorhandler/-/errorhandler-1.4.3.tgz"
     },
     "es5-ext": {
       "version": "0.10.12",
@@ -1186,19 +1155,7 @@
     "express": {
       "version": "4.14.0",
       "from": "express@>=4.14.0 <4.15.0",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.14.0.tgz",
-      "dependencies": {
-        "accepts": {
-          "version": "1.3.3",
-          "from": "accepts@>=1.3.3 <1.4.0",
-          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz"
-        },
-        "negotiator": {
-          "version": "0.6.1",
-          "from": "negotiator@0.6.1",
-          "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz"
-        }
-      }
+      "resolved": "https://registry.npmjs.org/express/-/express-4.14.0.tgz"
     },
     "express-session": {
       "version": "1.11.3",
@@ -1342,16 +1299,9 @@
       "resolved": "https://registry.npmjs.org/findup-sync/-/findup-sync-0.4.2.tgz"
     },
     "fined": {
-      "version": "1.0.1",
+      "version": "1.0.2",
       "from": "fined@>=1.0.1 <2.0.0",
-      "resolved": "https://registry.npmjs.org/fined/-/fined-1.0.1.tgz",
-      "dependencies": {
-        "lodash.isarray": {
-          "version": "4.0.0",
-          "from": "lodash.isarray@>=4.0.0 <5.0.0",
-          "resolved": "https://registry.npmjs.org/lodash.isarray/-/lodash.isarray-4.0.0.tgz"
-        }
-      }
+      "resolved": "https://registry.npmjs.org/fined/-/fined-1.0.2.tgz"
     },
     "first-chunk-stream": {
       "version": "1.0.0",
@@ -1394,9 +1344,9 @@
           "resolved": "https://registry.npmjs.org/async/-/async-2.0.1.tgz"
         },
         "lodash": {
-          "version": "4.16.2",
+          "version": "4.16.4",
           "from": "lodash@>=4.8.0 <5.0.0",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.2.tgz"
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.4.tgz"
         }
       }
     },
@@ -1900,9 +1850,9 @@
       "resolved": "https://registry.npmjs.org/gulp-istanbul/-/gulp-istanbul-0.10.4.tgz",
       "dependencies": {
         "lodash": {
-          "version": "4.16.2",
+          "version": "4.16.4",
           "from": "lodash@>=4.0.0 <5.0.0",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.2.tgz"
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.4.tgz"
         }
       }
     },
@@ -2333,9 +2283,9 @@
       "resolved": "https://registry.npmjs.org/icss-replace-symbols/-/icss-replace-symbols-1.0.2.tgz"
     },
     "ieee754": {
-      "version": "1.1.6",
+      "version": "1.1.8",
       "from": "ieee754@>=1.1.4 <2.0.0",
-      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.6.tgz"
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz"
     },
     "in-publish": {
       "version": "2.0.0",
@@ -2465,9 +2415,9 @@
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz"
     },
     "is-my-json-valid": {
-      "version": "2.14.0",
+      "version": "2.15.0",
       "from": "is-my-json-valid@>=2.12.4 <3.0.0",
-      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.14.0.tgz"
+      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.15.0.tgz"
     },
     "is-number": {
       "version": "2.1.0",
@@ -2739,9 +2689,9 @@
       "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.0.tgz"
     },
     "jsonpointer": {
-      "version": "2.0.0",
-      "from": "jsonpointer@2.0.0",
-      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-2.0.0.tgz"
+      "version": "4.0.0",
+      "from": "jsonpointer@>=4.0.0 <5.0.0",
+      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-4.0.0.tgz"
     },
     "jsprim": {
       "version": "1.3.1",
@@ -2803,9 +2753,9 @@
       "resolved": "https://registry.npmjs.org/karma-phantomjs-launcher/-/karma-phantomjs-launcher-1.0.2.tgz",
       "dependencies": {
         "lodash": {
-          "version": "4.16.2",
+          "version": "4.16.4",
           "from": "lodash@>=4.0.1 <5.0.0",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.2.tgz"
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.4.tgz"
         }
       }
     },
@@ -3421,9 +3371,9 @@
       "resolved": "https://registry.npmjs.org/natives/-/natives-1.1.0.tgz"
     },
     "negotiator": {
-      "version": "0.4.9",
-      "from": "negotiator@0.4.9",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.4.9.tgz"
+      "version": "0.6.1",
+      "from": "negotiator@0.6.1",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz"
     },
     "node-emoji": {
       "version": "1.4.1",
@@ -3598,6 +3548,11 @@
       "from": "temp_modules/npmx-node-library-build",
       "resolved": "file:temp_modules/npmx-node-library-build"
     },
+    "npmx-web-build-tools-scripts": {
+      "version": "0.0.0",
+      "from": "temp_modules/npmx-web-build-tools-scripts",
+      "resolved": "file:temp_modules/npmx-web-build-tools-scripts"
+    },
     "npmx-web-library-build": {
       "version": "0.0.0",
       "from": "temp_modules/npmx-web-library-build",
@@ -3855,14 +3810,14 @@
       "resolved": "https://registry.npmjs.org/phantomjs-polyfill/-/phantomjs-polyfill-0.0.2.tgz"
     },
     "phantomjs-prebuilt": {
-      "version": "2.1.12",
+      "version": "2.1.13",
       "from": "phantomjs-prebuilt@>=2.1.6 <2.2.0",
-      "resolved": "https://registry.npmjs.org/phantomjs-prebuilt/-/phantomjs-prebuilt-2.1.12.tgz",
+      "resolved": "https://registry.npmjs.org/phantomjs-prebuilt/-/phantomjs-prebuilt-2.1.13.tgz",
       "dependencies": {
         "es6-promise": {
-          "version": "3.2.1",
-          "from": "es6-promise@>=3.2.1 <3.3.0",
-          "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz"
+          "version": "4.0.5",
+          "from": "es6-promise@>=4.0.3 <4.1.0",
+          "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.0.5.tgz"
         },
         "fs-extra": {
           "version": "0.30.0",
@@ -4230,9 +4185,9 @@
       "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.1.2.tgz",
       "dependencies": {
         "lodash": {
-          "version": "4.16.2",
+          "version": "4.16.4",
           "from": "lodash@>=4.0.0 <5.0.0",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.2.tgz"
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.16.4.tgz"
         },
         "yargs": {
           "version": "4.8.1",
@@ -4346,9 +4301,9 @@
       "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz"
     },
     "socket.io": {
-      "version": "1.4.8",
+      "version": "1.5.0",
       "from": "socket.io@>=1.4.5 <2.0.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-1.4.8.tgz"
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-1.5.0.tgz"
     },
     "socket.io-adapter": {
       "version": "0.4.0",
@@ -4370,9 +4325,9 @@
       }
     },
     "socket.io-client": {
-      "version": "1.4.8",
-      "from": "socket.io-client@1.4.8",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-1.4.8.tgz",
+      "version": "1.5.0",
+      "from": "socket.io-client@1.5.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-1.5.0.tgz",
       "dependencies": {
         "component-emitter": {
           "version": "1.2.0",
@@ -4415,9 +4370,9 @@
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-1.0.2.tgz"
     },
     "spdx-expression-parse": {
-      "version": "1.0.3",
+      "version": "1.0.4",
       "from": "spdx-expression-parse@>=1.0.0 <1.1.0",
-      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-1.0.3.tgz"
+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz"
     },
     "spdx-license-ids": {
       "version": "1.2.2",
@@ -4873,11 +4828,6 @@
         }
       }
     },
-    "utf8": {
-      "version": "2.1.0",
-      "from": "utf8@2.1.0",
-      "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.0.tgz"
-    },
     "util": {
       "version": "0.10.3",
       "from": "util@>=0.10.3 <1.0.0",
@@ -5133,9 +5083,14 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz"
     },
     "ws": {
-      "version": "1.1.0",
-      "from": "ws@1.1.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.0.tgz"
+      "version": "1.1.1",
+      "from": "ws@1.1.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.1.tgz"
+    },
+    "wtf-8": {
+      "version": "1.0.0",
+      "from": "wtf-8@1.0.0",
+      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz"
     },
     "xmlhttprequest-ssl": {
       "version": "1.5.1",
diff --git a/common/package.json b/common/package.json
index e08876a5f35..77739543404 100644
--- a/common/package.json
+++ b/common/package.json
@@ -8,7 +8,8 @@
     "npmx-gulp-core-build-typescript": "file:./temp_modules/npmx-gulp-core-build-typescript",
     "npmx-gulp-core-build-webpack": "file:./temp_modules/npmx-gulp-core-build-webpack",
     "npmx-node-library-build": "file:./temp_modules/npmx-node-library-build",
-    "npmx-web-library-build": "file:./temp_modules/npmx-web-library-build"
+    "npmx-web-library-build": "file:./temp_modules/npmx-web-library-build",
+    "npmx-web-build-tools-scripts": "file:./temp_modules/npmx-web-build-tools-scripts"
   },
   "description": "Temporary file generated by the NPMX tool",
   "name": "npmx-common",
diff --git a/common/temp_modules/npmx-web-build-tools-scripts/package.json b/common/temp_modules/npmx-web-build-tools-scripts/package.json
new file mode 100644
index 00000000000..17ea786f687
--- /dev/null
+++ b/common/temp_modules/npmx-web-build-tools-scripts/package.json
@@ -0,0 +1,9 @@
+{
+  "name": "npmx-web-build-tools-scripts",
+  "version": "0.0.0",
+  "private": true,
+  "dependencies": {
+    "rimraf": "^2.5.4",
+    "semver": "^5.3.0"
+  }
+}
diff --git a/npmx.json b/npmx.json
index d5029a0df57..fda6eb54c0e 100644
--- a/npmx.json
+++ b/npmx.json
@@ -61,6 +61,10 @@
     {
       "packageName": "@microsoft/web-library-build",
       "projectFolder": "web-library-build"
+    },
+    {
+      "packageName": "web-build-tools-scripts",
+      "projectFolder": "scripts"
     }
   ]
 }
\ No newline at end of file
diff --git a/scripts/enumerate.js b/scripts/enumerate.js
new file mode 100644
index 00000000000..db7d397e524
--- /dev/null
+++ b/scripts/enumerate.js
@@ -0,0 +1,99 @@
+'use strict';
+
+let fs = require('fs');
+let path = require('path');
+let fileExists = require('./utils').fileExists;
+let directoryExists = require('./utils').directoryExists;
+
+let rootPackagePath = path.resolve('./package.json');
+
+function findPackagesSync(dir, results) {
+  let excludes = [
+    '.git',
+    'node_modules',
+    'typings',
+    'lib',
+    'src',
+    'dist',
+    'coverage',
+    'common'
+  ];
+
+  results = results || [];
+  let list = fs.readdirSync(dir).filter(file => excludes.indexOf(file) === -1);
+
+  list.forEach((file) => {
+    let fullPath = path.resolve(dir, file);
+
+    if (directoryExists(fullPath)) {
+      findPackagesSync(fullPath, results);
+
+    } else if (fullPath !== rootPackagePath && fileExists(fullPath) && path.basename(file) === 'package.json') {
+      results.push(fullPath);
+    }
+  });
+
+  return results;
+}
+
+function forEachPackage(dir, cb) {
+  let packageCount = 0;
+  let packageLocations = findPackagesSync('.');
+
+  packageLocations.forEach(packageLocation => {
+    // crack open packages.
+    let data = fs.readFileSync(packageLocation, 'utf8');
+    let pkg = JSON.parse(data);
+
+    cb(pkg, packageLocation);
+  });
+}
+
+function getAllProjects() {
+  let allProjects = {};
+
+  forEachPackage('.', (pkg, location) => {
+    allProjects[pkg.name] = {
+      package: pkg,
+      path: location
+    };
+  });
+
+  return allProjects;
+}
+
+function findReposSync(dir, results) {
+  let excludes = [
+    'node_modules'
+  ];
+  results = results || [];
+
+  let list = fs.readdirSync(dir);
+
+  list = list.filter(file => excludes.indexOf(file) === -1);
+
+  list.forEach((file) => {
+    let fullPath = path.resolve(dir, file);
+    if (directoryExists(fullPath)) {
+      if (file === '.git') {
+        results.push(dir);
+      } else {
+        findReposSync(fullPath, results);
+      }
+    }
+  });
+
+  return results;
+}
+
+function forEachRepo(dir, cb) {
+  findReposSync('.').forEach(repoPath => cb(repoPath));
+}
+
+module.exports = {
+  findPackagesSync,
+  forEachPackage,
+  getAllProjects,
+  findReposSync,
+  forEachRepo
+};
diff --git a/scripts/package.json b/scripts/package.json
new file mode 100644
index 00000000000..ba41752f785
--- /dev/null
+++ b/scripts/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "web-build-tools-scripts",
+  "version": "1.0.0",
+  "description": "",
+  "main": "enumerate.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "rimraf": "^2.5.4",
+    "semver": "^5.3.0"
+  }
+}
diff --git a/scripts/publish.js b/scripts/publish.js
new file mode 100644
index 00000000000..f40c29f6d4c
--- /dev/null
+++ b/scripts/publish.js
@@ -0,0 +1,258 @@
+'use strict';
+
+let fs = require('fs');
+let os = require('os');
+let path = require('path');
+let semver = require('semver');
+let deleteFile = require('./utils').deleteFile;
+let execSync = require('child_process').execSync;
+let forEachPackage = require('./enumerate').forEachPackage;
+let getAllProjects = require('./enumerate').getAllProjects;
+
+let _downstreamDeps = getDownstreamDependencies();
+let _allPackages = getAllProjects();
+let _changeTypes = {
+  major: 3,
+  minor: 2,
+  patch: 1,
+  dependency: 0,
+  3: 'major',
+  2: 'minor',
+  1: 'patch',
+  0: 'dependency'
+};
+
+let _shouldCommit = process.argv.indexOf('--commit') >= 0;
+
+/* Find all changes and return parsed change definitions. */
+function findChangesSync() {
+  let changeFiles = [];
+  let allChanges = {};
+  let changesPath = path.join(process.cwd(), 'changes');
+
+  console.log(`Finding changes in: ${changesPath}`);
+
+  try {
+    changeFiles = fs.readdirSync(changesPath).filter(filename => filename.indexOf('.json') >= 0);
+  } catch (e) { }
+
+  // Add the minimum changes defined by the change descriptions.
+  changeFiles.forEach((file) => {
+    let fullPath = path.resolve('./changes', file);
+    let changeDescription = JSON.parse(fs.readFileSync(fullPath, 'utf8'));
+
+    for (let i = 0; i < changeDescription.changes.length; i++) {
+      let change = changeDescription.changes[i];
+
+      addChange(allChanges, change);
+    }
+  });
+
+  let packages = Object.keys(allChanges);
+  let updatedDeps = {};
+
+  // Update orders so that downstreams are marked to come after upstreams.
+  for (let packageName in allChanges) {
+    let change = allChanges[packageName];
+    let pkg = _allPackages[packageName].package;
+    let deps = _downstreamDeps[packageName];
+
+    // Write the new version expected for the change.
+    change.newVersion = (change.changeType > _changeTypes.dependency) ? semver.inc(pkg.version, _changeTypes[change.changeType]) : pkg.version;
+
+    if (deps) {
+      for (let depName of deps) {
+        let depChange = allChanges[depName];
+
+        if (depChange) {
+          depChange.order = Math.max(change.order + 1, depChange.order);
+        }
+      }
+    }
+  }
+
+  return allChanges;
+}
+
+/** Add a change request to the allChanges dictionary if necessary. */
+function addChange(allChanges, change) {
+  let packageName = change.packageName;
+  let pkgEntry = _allPackages[packageName];
+  let pkg = pkgEntry.package;
+  let currentChange;
+
+  if (!allChanges[packageName]) {
+    currentChange = allChanges[packageName] = {
+      packageName,
+      packagePath: pkgEntry.path,
+      changeType: _changeTypes[change.type],
+      comments: change.comments || [],
+      order: 0,
+      changes: [change]
+    };
+  } else {
+    currentChange = allChanges[packageName];
+    currentChange.changeType = Math.max(currentChange.changeType, _changeTypes[change.type]);
+    currentChange.comments = currentChange.comments.concat(change.comments);
+    currentChange.changes.push(change);
+  }
+
+  currentChange.newVersion = currentChange.changeType > 0 ? semver.inc(pkg.version, _changeTypes[currentChange.changeType]) : pkg.version;
+  currentChange.newVersionRange = `>=${currentChange.newVersion} <${semver.inc(currentChange.newVersion, 'major')}`;
+
+  updateDownstreamDependencies(allChanges, packageName, currentChange.newVersionRange);
+}
+
+/** Build a downstream dependencies lookup table. */
+function getDownstreamDependencies() {
+  let downstreamDeps = {};
+
+  forEachPackage('.', (pkg, location) => {
+    for (let depName in pkg.dependencies) {
+      if (!downstreamDeps[depName]) {
+        downstreamDeps[depName] = [];
+      }
+      downstreamDeps[depName].push(pkg.name);
+    }
+  });
+
+  return downstreamDeps;
+}
+
+function updateDownstreamDependencies(allChanges, packageName, newVersionRange) {
+  let change = allChanges[packageName];
+  let downstreamNames = _downstreamDeps[packageName];
+
+  // Iterate through all downstream dependencies for the package.
+  if (downstreamNames) {
+    for (let depName of downstreamNames) {
+      let pkgEntry = _allPackages[depName];
+      let pkg = pkgEntry.package;
+      let requiredVersion = pkgEntry.package.dependencies[packageName];
+
+      // If the version range has not yet been updated to this version, update it.
+      if (requiredVersion !== newVersionRange) {
+        pkgEntry.package.dependencies[packageName] = newVersionRange;
+
+        // Either it already satisfies the new version, or doesn't. If not, the downstream dep needs to be republished.
+        let changeType = semver.satisfies(change.newVersion, requiredVersion) ? _changeTypes.dependency : _changeTypes.patch;
+
+        addChange(allChanges, {
+          packageName: pkg.name,
+          type: _changeTypes[changeType],
+          comments: [`Updating ${packageName}: ${newVersionRange} (was ${ requiredVersion })`]
+        });
+      }
+    }
+  }
+}
+
+/** Update the package.json for a given change. */
+function updatePackage(change, allChanges) {
+  console.log(os.EOL + `* Applying ${_changeTypes[change.changeType]} update for ${change.packageName} to ${change.newVersion}`);
+
+  let pkg = _allPackages[change.packageName].package;
+
+  pkg.version = change.newVersion;
+
+  change.changes.forEach(subChange => subChange.comments.forEach(comment => console.log( ` - [${subChange.type}] ${comment}`)));
+
+  if (_shouldCommit) {
+    fs.writeFileSync(change.packagePath, JSON.stringify(pkg, null, 2), 'utf8');
+  }
+}
+
+function execCommand(commandLine, workingPath, isDisabled) {
+  workingPath = workingPath || process.cwd();
+
+  console.log(`Executing: "${commandLine}" from ${workingPath}`);
+
+  if (_shouldCommit && !isDisabled) {
+    execSync(commandLine, {
+      cwd: workingPath
+    });
+  }
+}
+
+function gitAddChanges() {
+  execCommand('git add .');
+}
+
+function gitAddTags(allChanges) {
+  for (let packageName in allChanges) {
+    let change = allChanges[packageName];
+
+    if (change.changeType > _changeTypes.dependency) {
+      let tagName = packageName + '_v' + change.newVersion;
+
+      execCommand(`git tag ${tagName}`);
+    }
+  }
+}
+
+function gitCommit() {
+  execCommand('git commit -m "Applying package updates."');
+}
+
+function gitPush() {
+  execCommand('git push --follow-tags');
+}
+
+function publishPackage(change) {
+  execCommand(`npm publish`, change.packagePath);
+}
+
+function deleteChangeFiles() {
+  let changesPath = path.join(process.cwd(), 'changes');
+  let changeFiles = [];
+
+  try {
+    changeFiles = fs.readdirSync(changesPath).filter(filename => filename.indexOf('.json') >= 0);
+  } catch (e) { }
+
+  if (changeFiles.length) {
+    console.log(os.EOL + `Deleting ${changeFiles.length} change file(s).`);
+
+    for (let fileName of changeFiles) {
+      let filePath = path.join(changesPath, fileName);
+
+      console.log(` - ${filePath}`);
+
+      if (_shouldCommit) {
+        deleteFile(filePath);
+      }
+    }
+  }
+}
+
+/** Apply set of changes. */
+function applyChanges(allChanges) {
+  let orderedChanges = (
+    Object
+      .keys(allChanges)
+      .map(key => allChanges[key])
+      .sort((a, b) => a.order < b.order ? -1 : 1));
+
+  if (orderedChanges.length > 1) {
+    for (let change of orderedChanges) {
+      updatePackage(change, allChanges);
+    }
+
+    deleteChangeFiles();
+    gitAddChanges(allChanges);
+    gitCommit();
+    gitAddTags(allChanges);
+    gitPush();
+
+    for (let change of orderedChanges) {
+      if (change.changeType > _changeTypes.dependency) {
+        publishPackage(change);
+      }
+    }
+  }
+}
+
+
+let changes = findChangesSync();
+
+applyChanges(changes);
\ No newline at end of file
diff --git a/scripts/utils.js b/scripts/utils.js
new file mode 100644
index 00000000000..aaa3216fb91
--- /dev/null
+++ b/scripts/utils.js
@@ -0,0 +1,50 @@
+'use strict';
+
+let fs = require('fs');
+let rimraf = require('rimraf');
+
+function fileExists(path) {
+  let exists = false;
+  try {
+    let lstat = fs.lstatSync(path);
+    exists = lstat.isFile();
+  } catch (e) { }
+
+  return exists;
+}
+
+function directoryExists(path) {
+  let exists = false;
+  try {
+    let lstat = fs.lstatSync(path);
+    exists = lstat.isDirectory();
+  } catch (e) { }
+
+  return exists;
+}
+
+function deleteFile(filePath) {
+  if (fileExists(filePath)) {
+    console.log(`Deleting: ${filePath}`);
+    fs.unlinkSync(filePath);
+  }
+  return Promise.resolve();
+}
+
+function deleteDirectory(directoryPath) {
+  return new Promise(done => {
+    if (directoryExists(directoryPath)) {
+      console.log(`Deleting: ${directoryPath}`);
+      rimraf(directoryPath, done);
+    } else {
+      done();
+    }
+  });
+}
+
+module.exports = {
+  fileExists,
+  directoryExists,
+  deleteFile,
+  deleteDirectory
+};