# HG changeset patch
# User Danek Duvall <danek.duvall@oracle.com>
# Date 2016-10-13 19:01:41
# Node ID 5d777fe4615d6a509ad44c4628d586027dd8c028
# Parent  f34a8cff51d9acf24ad4e84cefb253588a90ac8b

color: ignore effects missing from terminfo

If terminfo mode is in effect, and an effect is used which is missing from
the terminfo database, simply silently ignore the request, leaving the
output unaffected rather than causing a crash.

diff --git a/hgext/color.py b/hgext/color.py
--- a/hgext/color.py
+++ b/hgext/color.py
@@ -378,7 +378,10 @@ def _effect_str(effect):
     if effect.endswith('_background'):
         bg = True
         effect = effect[:-11]
-    attr, val, termcode = _terminfo_params[effect]
+    try:
+        attr, val, termcode = _terminfo_params[effect]
+    except KeyError:
+        return ''
     if attr:
         if termcode:
             return termcode