Support deployment of a branch

Allow the configuration to specify a branch to deploy. The deploy
command will only be run if there is a push to the configured branch.

Author: awigen

GitAutoDeploy.py

@@ -84,9 +84,12 @@ def deploy(self, path):
         for repository in config['repositories']:
             if(repository['path'] == path):
                 if 'deploy' in repository:
-                     if(not self.quiet):
-                         print 'Executing deploy command'
-                     call(['cd "' + path + '" && ' + repository['deploy']], shell=True)
+                    if 'branch' in repository and repository['branch'] == self.branch:
+                        if(not self.quiet):
+                            print 'Executing deploy command'
+                            call(['cd "' + path + '" && ' + repository['deploy']], shell=True)
+                    elif not self.quiet:
+                        print 'Push to different branch (%s != %s), not deploying' % (repository['branch'], self.branch)
                 break
 
 def main():