diff mercurial/graphmod.py @ 16130:33f702e52906

graph: in hgrc specify line color for main branch

You can specify color to visually distinguish main branch (trunk)
on hgweb's graph page. If color specified, all branch heads will share
same color. Settings format is branch_name.color = value, where color
is six hexadecimal digits e.g.:
[graph]
default.color = FF0000

--- a/mercurial/graphmod.py	Sun Jan 22 19:35:26 2012 +0700
+++ b/mercurial/graphmod.py	Sun Jan 22 19:47:03 2012 +0700
@@ -18,6 +18,7 @@
 """
 
 from mercurial.node import nullrev
+import re
 
 CHANGESET = 'C'
 
@@ -92,7 +93,8 @@
         gdict = config.setdefault(branch, {})
 
         # Validation
-        if (setting == "width" and val.isdigit() and 0 < int(val) < 30):
+        if ((setting == "width" and val.isdigit() and 0 < int(val) < 30) or
+                (setting == "color" and re.match('^[0-9a-fA-F]{6}$', val))):
             gdict[setting] = val
         else:
             continue