From patchwork Mon Nov 24 21:48:59 2014
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Subject: [1,of,2] log: display closing-branch nodes as "_" (BC)
From: =?utf-8?q?Jordi_Guti=C3=A9rrez_Hermoso?= <jordigh@octave.org>
X-Patchwork-Id: 6842
Message-Id: <eefc121a32a3e1ed848f.1416865739@Iris>
To: mercurial-devel@selenic.com
Date: Mon, 24 Nov 2014 16:48:59 -0500

# HG changeset patch
# User Jordi Gutiérrez Hermoso <jordigh@octave.org>
# Date 1416865369 18000
#      Mon Nov 24 16:42:49 2014 -0500
# Node ID eefc121a32a3e1ed848f603d062f20f2aff0cdbd
# Parent  a81c76106d9036060b3371f36b00ceefa5d60898
log: display closing-branch nodes as "_" (BC)

In plain `hg log` there is no indication that a commit closes a
branch. You can use hg log --debug, but this is too verbose. A simple
idea copied from thg and other graphical viewers is to display the
node for a closing-branch commit as a horizontal line.

I think this technically is a BC if we consider the graphlog to be
part of the stdout API, but I really can't imagine who the hell is
parsing the graphlog to determine information about commits.

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -1922,6 +1922,8 @@ def displaygraph(ui, dag, displayer, sho
             char = '@'
         elif ctx.obsolete():
             char = 'x'
+        elif ctx.closesbranch():
+            char = '_'
         copies = None
         if getrenamed and ctx.rev():
             copies = []