Builder: Make signatures for all distributed packages

GnuPG is used for creating package signatures. The existing repository
signing key is used (skyjake's key). The signatures are available with
a .gpg extension along with the packages.

distrib/autobuild.py

@@ -92,6 +92,16 @@ def todays_platform_release():
     git_checkout(builder.config.BRANCH)
 
 
+def sign_packages():
+    """Sign all packages in today's build."""
+    ev = builder.Event()
+    print "Signing today's build %i." % ev.number()    
+    for fn in os.listdir(ev.path()):
+        if fn.endswith('.exe') or fn.endswith('.dmg') or fn.endswith('.deb'):
+            # Make a signature for this.
+            os.system("gpg --output %s -ba %s" % (fn + '.gpg', fn))
+
+
 def find_previous_tag(toTag, version):
     builds = builder.events_by_time()
     #print [(e[1].number(), e[1].timestamp()) for e in builds]
@@ -417,6 +427,7 @@ def sorted_commands():
     'pull': pull_from_branch,
     'create': create_build_event,
     'platform_release': todays_platform_release,
+    'sign': sign_packages,
     'changes': update_changes,
     'debchanges': update_debian_changelog,
     'apt': rebuild_apt_repository,

distrib/builder/event.py

@@ -109,6 +109,7 @@ def name(self):
         return self.name
 
     def number(self):
+        """Returns the event's build number as an integer."""
         return self.num
 
     def path(self):

distrib/pilot.py

@@ -325,6 +325,10 @@ def doTask(task):
         msg("BUILD RELEASE")
         return autobuild('platform_release')
 
+    elif task == 'sign':
+        msg("SIGN PACKAGES")
+        return autobuild('sign')
+
     elif task == 'publish':
         msg("PUBLISH")
         systemCommand('deng_copy_build_to_sourceforge.sh')
@@ -387,6 +391,9 @@ def handleCompletedTasks():
             newTask('build', allClients=True)
 
         elif task == 'build':
+            newTask('sign', forClient='master')
+
+        elif task == 'sign':
             newTask('publish', forClient='master')
             newTask('apt_refresh', forClient='ubuntu')
             # After the build we can switch to the master again.