Added a check before adding the path

See http://www.grasshopper3d.com/xn/detail/2985220:Comment:1749702

Author: mostaphaRoudsari

butterfly/runmanager.py

@@ -77,8 +77,10 @@ def pid(self):
 
     def getShellinit(self):
         """Get shellinit for setting up initial environment for docker."""
-        os.environ['PATH'] += ';%s' % r'"C:\Program Files (x86)\Git\bin"'
-        os.environ['PATH'] += ';%s' % self.dockerPath
+        if r'"C:\Program Files (x86)\Git\bin"' not in os.environ['PATH']:
+            os.environ['PATH'] += ';%s' % r'"C:\Program Files (x86)\Git\bin"'
+        if self.dockerPath not in os.environ['PATH']:
+            os.environ['PATH'] += ';%s' % self.dockerPath
 
         if self.isUsingDockerMachine:
             # version 1606 and higher

butterfly/version.py

@@ -11,7 +11,7 @@ class Version(object):
     OFVer = "4.0"
     OFFullVer = "v1612+"
     isUsingDockerMachine = True  # useful to run OpenFOAM container
-    lastUpdated = datetime(year=2017, month=3, day=14, hour=12, minute=00)
+    lastUpdated = datetime(year=2017, month=5, day=11, hour=9, minute=44)
 
     def duplicate(self):
         """Return a copy of this object."""