Issue 4720 - Edge packager does not support devenv

build.py

 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 import os
 import sys
 import re
 import subprocess
 import shutil
 import buildtools
@@ skipping 210 matching lines @@
     else:
         host, port = ('localhost', args[0])
 
     import buildtools.packagerGecko as packager
     packager.autoInstall(baseDir, type, host, port, multicompartment=multicompartment)
 
 
 def createDevEnv(baseDir, scriptName, opts, args, type):
     if type == 'safari':
         import buildtools.packagerSafari as packager
+    elif type == 'edge':
+        import buildtools.packagerEdge as packager
     else:
         import buildtools.packagerChrome as packager
 
     file = StringIO()
     packager.createBuild(baseDir, type=type, outFile=file, devenv=True, releaseBuild=True)
 
     from buildtools.packager import getDevEnvPath
     devenv_dir = getDevEnvPath(baseDir, type)
 
     shutil.rmtree(devenv_dir, ignore_errors=True)
@@ skipping 231 matching lines @@
 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')
 
 with addCommand(createDevEnv, 'devenv') as command:
     command.shortDescription = 'Set up a development environment'
     command.description = 'Will set up or update the devenv folder as an unpacked extension folder for development.'
-    command.supportedTypes = ('chrome', 'safari')
+    command.supportedTypes = ('chrome', 'safari', 'edge')
 
 with addCommand(setupTranslations, 'setuptrans') as command:
     command.shortDescription = 'Sets up translation languages'
     command.description = 'Sets up translation languages for the project on crowdin.net.'
     command.params = '[options] project-key'
     command.supportedTypes = ('gecko', 'chrome', 'generic')
 
 with addCommand(updateTranslationMaster, 'translate') as command:
     command.shortDescription = 'Updates translation master files'
     command.description = 'Updates the translation master files in the project on crowdin.net.'
@@ skipping 105 matching lines @@
                 if option in ('-h', '--help'):
                     usage(scriptName, type, command)
                     sys.exit()
             commands[command](baseDir, scriptName, opts, args, type)
         else:
             print 'Command %s is not supported for this application type' % command
             usage(scriptName, type)
     else:
         print 'Command %s is unrecognized' % command
         usage(scriptName, type)