Index: build.py
===================================================================
--- a/build.py
+++ b/build.py
@@ -7,17 +7,17 @@
 import re
 import subprocess
 import shutil
 import buildtools
 from getopt import getopt, GetoptError
 from StringIO import StringIO
 from zipfile import ZipFile
 
-knownTypes = ('gecko', 'chrome', 'safari', 'generic')
+knownTypes = ('gecko', 'chrome', 'safari', 'generic', 'edge')
 
 
 class Command(object):
     name = property(lambda self: self._name)
     shortDescription = property(
         lambda self: self._shortDescription,
         lambda self, value: self.__dict__.update({'_shortDescription': value})
     )
@@ -171,49 +171,43 @@
             'name': command.name,
             'params': command.params,
             'description': description,
             'options': '\n'.join(options)
         }
 
 
 def runBuild(baseDir, scriptName, opts, args, type):
-    locales = None
-    buildNum = None
-    multicompartment = False
-    releaseBuild = False
-    keyFile = None
+    kwargs = {}
     for option, value in opts:
-        if option in ('-l', '--locales'):
-            locales = value.split(',')
+        if option in ('-l', '--locales') and type == 'gecko':
+            kwargs['locales'] = value.split(',')
         elif option in ('-b', '--build'):
-            buildNum = value
-            if type != 'gecko' and not re.search(r'^\d+$', buildNum):
+            kwargs['buildNum'] = value
+            if type != 'gecko' and not re.search(r'^\d+$', kwargs['buildNum']):
                 raise TypeError('Build number must be numerical')
         elif option in ('-k', '--key'):
-            keyFile = value
-        elif option in ('-m', '--multi-compartment'):
-            multicompartment = True
+            kwargs['keyFile'] = value
+        elif option in ('-m', '--multi-compartment') and type == 'gecko':
+            kwargs['multicompartment'] = True
         elif option in ('-r', '--release'):
-            releaseBuild = True
-    outFile = args[0] if len(args) > 0 else None
+            kwargs['releaseBuild'] = True
+    if len(args) > 0:
+        kwargs['outFile'] = args[0]
 
     if type == 'gecko':
         import buildtools.packagerGecko as packager
-        packager.createBuild(baseDir, type=type, outFile=outFile, locales=locales, buildNum=buildNum,
-                             releaseBuild=releaseBuild, keyFile=keyFile,
-                             multicompartment=multicompartment)
     elif type == 'chrome':
         import buildtools.packagerChrome as packager
-        packager.createBuild(baseDir, type=type, outFile=outFile, buildNum=buildNum,
-                             releaseBuild=releaseBuild, keyFile=keyFile)
     elif type == 'safari':
         import buildtools.packagerSafari as packager
-        packager.createBuild(baseDir, type=type, outFile=outFile, buildNum=buildNum,
-                             releaseBuild=releaseBuild, keyFile=keyFile)
+    elif type == 'edge':
+        import buildtools.packagerEdge as packager
+
+    packager.createBuild(baseDir, type=type, **kwargs)
 
 
 def runAutoInstall(baseDir, scriptName, opts, args, type):
     if len(args) == 0:
         print 'Port of the Extension Auto-Installer needs to be specified'
         usage(scriptName, type, 'autoinstall')
         return
 
@@ -474,17 +468,17 @@
     command.shortDescription = 'Create a build'
     command.description = 'Creates an extension build with given file name. If output_file is missing a default name will be chosen.'
     command.params = '[options] [output_file]'
     command.addOption('Only include the given locales (if omitted: all locales not marked as incomplete)', short='l', long='locales', value='l1,l2,l3', types=('gecko'))
     command.addOption('Use given build number (if omitted the build number will be retrieved from Mercurial)', short='b', long='build', value='num')
     command.addOption('File containing private key and certificates required to sign the package', short='k', long='key', value='file', types=('gecko', 'chrome', 'safari'))
     command.addOption('Create a build for leak testing', short='m', long='multi-compartment', types=('gecko'))
     command.addOption('Create a release build', short='r', long='release')
-    command.supportedTypes = ('gecko', 'chrome', 'safari')
+    command.supportedTypes = ('gecko', 'chrome', 'safari', 'edge')
 
 with addCommand(runAutoInstall, 'autoinstall') as command:
     command.shortDescription = 'Install extension automatically'
     command.description = 'Will automatically install the extension in a browser running Extension Auto-Installer. If host parameter is omitted assumes that the browser runs on localhost.'
     command.params = '[<host>:]<port>'
     command.addOption('Create a build for leak testing', short='m', long='multi-compartment')
     command.supportedTypes = ('gecko')