| Index: build.py | 
| diff --git a/build.py b/build.py | 
| index 7c6ac6448dfa5ad8f1667234de83251eb6767a70..aa3c2035eea5688fcbbd9468ccafa250757f161c 100644 | 
| --- a/build.py | 
| +++ b/build.py | 
| @@ -197,7 +197,10 @@ def runBuild(baseDir, scriptName, opts, args, type): | 
|  | 
|  | 
| def createDevEnv(baseDir, scriptName, opts, args, type): | 
| -    import buildtools.packagerChrome as packager | 
| +    if 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) | 
| @@ -394,7 +397,7 @@ with addCommand(runBuild, 'build') as command: | 
| 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 = {'gecko', 'chrome'} | 
| +    command.supportedTypes = {'gecko', 'chrome', 'edge'} | 
|  | 
| with addCommand(setupTranslations, 'setuptrans') as command: | 
| command.shortDescription = 'Sets up translation languages' | 
|  |