[PATCH 3 of 3] color: debugcolor should emit the user-defined colors

[danek.duvall at oracle.com]

# HG changeset patch
# User Danek Duvall <danek.duvall at oracle.com>
# Date 1476389401 25200
#      Thu Oct 13 13:10:01 2016 -0700
# Node ID c59334b806a8f10c80c2ea196eba5f4b1b86b229
# Parent  333e875ce30da3760c8655e303d9bea554efe7e4
color: debugcolor should emit the user-defined colors

This also fixes a long-standing bug that reversed the sense of the color
name and the label used to print it, which was never relevant before.

diff --git a/hgext/color.py b/hgext/color.py
--- a/hgext/color.py
+++ b/hgext/color.py
@@ -524,10 +524,16 @@ def debugcolor(ui, repo, **opts):
     _styles = {}
     for effect in _effects.keys():
         _styles[effect] = effect
+    if _terminfo_params:
+        for k, v in ui.configitems('color'):
+            if k.startswith('color.'):
+                _styles[k] = k[6:]
+            elif k.startswith('terminfo.'):
+                _styles[k] = k[9:]
     ui.write(('color mode: %s\n') % ui._colormode)
     ui.write(_('available colors:\n'))
-    for label, colors in _styles.items():
-        ui.write(('%s\n') % colors, label=label)
+    for colorname, label in _styles.items():
+        ui.write(('%s\n') % colorname, label=label)
 
 if os.name != 'nt':
     w32effects = None