Patches for purr Homebrew formula

patch1.diff

diff --git a/Kittens/pixmaps.py b/Kittens/pixmaps.py
index f136a5b..422cf68 100644
--- a/Kittens/pixmaps.py
+++ b/Kittens/pixmaps.py
@@ -3020,7 +3020,8 @@ def load_icons (appname):
   global __icons_loaded;
   if __icons_loaded:
     return;
-  for path in sys.path:
+  icon_paths = ['/usr/local/share/meqtrees'] + sys.path
+  for path in icon_paths:
     path = path or '.';
     # for each entry, try <entry>/icons/<appname>'
     trydir = os.path.join(path,'icons',appname);
@@ -3087,7 +3088,8 @@ class PixmapCache (object):
     # loop over system path
     if self._loaded:
       return;
-    for path in sys.path:
+    icon_paths = ['/usr/local/share/meqtrees'] + sys.path
+    for path in icon_paths:
       path = path or '.';
       # for each entry, try <entry>/icons/<appname>'
       trydir = os.path.join(path,'icons',self._appname);

patch2.diff

diff --git a/Purr/LogEntry.py b/Purr/LogEntry.py
index a7eb82f..9609d3f 100644
--- a/Purr/LogEntry.py
+++ b/Purr/LogEntry.py
@@ -12,6 +12,23 @@ import Purr.Render
 import Purr.RenderIndex
 from Purr.Render import quote_url
 
+
+def _copy_update(sourcepath, destname):
+  """Copy source to dest only if source is newer."""
+  if sys.platform.startswith('linux'):
+    return os.system("/bin/cp -ua '%s' '%s'"%(sourcepath,destname))
+  else:
+    return os.system("rsync -ua '%s' '%s'"%(sourcepath,destname))
+
+
+def _move_update(sourcepath, destname):
+  """Move source to dest only if source is newer."""
+  if sys.platform.startswith('linux'):
+    return os.system("/bin/mv -fu '%s' '%s'"%(sourcepath,destname))
+  else:
+    return os.system("rsync -ua --remove-source-files '%s' '%s'"%(sourcepath,destname))
+
+
 class DataProduct (object):
   def __init__ (self,filename=None,sourcepath=None,fullpath=None,
       policy="copy",comment="",
@@ -328,12 +345,12 @@ class LogEntry (object):
         # now copy/move it over
         if dp.policy == "copy":
           dprintf(2,"copying\n");
-          if os.system("/bin/cp -ua '%s' '%s'"%(sourcepath,destname)):
+          if _copy_update(sourcepath,destname):
             print "Error copying %s to %s"%(sourcepath,destname);
             print "This data product is not saved.";
             continue;
         elif dp.policy.startswith('move'):
-          if os.system("/bin/mv -fu '%s' '%s'"%(sourcepath,destname)):
+          if _move_update(sourcepath,destname):
             print "Error moving %s to %s"%(sourcepath,destname);
             print "This data product is not saved.";
             continue;

patch3.diff

diff --git a/Purr/Plugins/fits.py b/Purr/Plugins/fits.py
index 892388f..c36115c 100644
--- a/Purr/Plugins/fits.py
+++ b/Purr/Plugins/fits.py
@@ -107,6 +107,8 @@ class FITSRenderer (CachingRenderer):
     xy = [];
     for a,b in zip(x,y):
       xy += [(a,b),(a+width,b)];
+    # Make sure all spaces in path are escaped as pychart cannot handle them
+    path = path.replace('\ ', ' ').replace(' ', '\ ');
     canv = canvas.init(path);
     ar = area.T(
       x_axis=axis.X(label="/20{}"+title,format="/20{}%g",tic_interval=self.compute_tics),