Issue 4548 - Split out Safari and add Edge release automation

build.py

Index: build.py
diff --git a/build.py b/build.py
index e16dfde1b47d6baf490f11fecb046716b2f9ce78..0b12703e4d96b547ceadbaf4d3107ac2fc799842 100644
--- a/build.py
+++ b/build.py
@@ -442,8 +442,8 @@ def runReleaseAutomation(baseDir, scriptName, opts, args, type):
         usage(scriptName, type, 'release')
         return
 
-    if type == 'chrome' and len(keyFiles) != 2:
-        print >>sys.stderr, 'Error: wrong number of key files specified, two keys (Chrome and Safari) required for the release'
+    if (type == 'chrome' or type == 'safari') and len(keyFiles) != 1:
+        print >>sys.stderr, 'Error: you must specify a key file for this release'
         usage(scriptName, type, 'release')
         return
 
@@ -525,7 +525,7 @@ with addCommand(runReleaseAutomation, 'release') as command:
     command.addOption('File containing private key and certificates required to sign the release. Note that for Chrome releases this option needs to be specified twice: first a key to sign Chrome builds, then another to sign the Safari build.', short='k', long='key', value='file', types=('chrome',))
     command.addOption('Directory containing downloads repository (if omitted ../downloads is assumed)', short='d', long='downloads', value='dir')
     command.params = '[options] <version>'
-    command.supportedTypes = ('gecko', 'chrome')
+    command.supportedTypes = ('gecko', 'chrome', 'safari', 'edge')
 
 with addCommand(updatePSL, 'updatepsl') as command:
     command.shortDescription = 'Updates Public Suffix List'