# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@ens-lyon.org>
# Date 1471039985 -7200
# Node ID 20fb4195bfc4bcb24b8f684647f249d8703ea83a
# Parent  e97458bf53bef4c6eb16472f7c72e1cef2dfb00b
topic: extract the code listing all topics

The code will become more complexe with formatter support and additional data in
the verbose output. We extract the code in its own function first.

diff -r e97458bf53be -r 20fb4195bfc4 hgext3rd/topic/__init__.py
--- a/hgext3rd/topic/__init__.py	Fri Aug 12 11:09:26 2016 +0200
+++ b/hgext3rd/topic/__init__.py	Sat Aug 13 00:13:05 2016 +0200
@@ -263,10 +263,7 @@
             with repo.vfs.open('topic', 'w') as f:
                 f.write(topic)
         return
-    current = repo.currenttopic
-    for t in sorted(repo.topics):
-        marker = '*' if t == current else ' '
-        ui.write(' %s %s\n' % (marker, t))
+    _listtopics(ui, repo)
 
 @command('stack [TOPIC]', [] + commands.formatteropts)
 def cmdstack(ui, repo, topic='', **opts):
@@ -275,6 +272,12 @@
     List the current topic by default."""
     return stack.showstack(ui, repo, topic, opts)
 
+def _listtopics(ui, repo):
+    current = repo.currenttopic
+    for t in sorted(repo.topics):
+        marker = '*' if t == current else ' '
+        ui.write(' %s %s\n' % (marker, t))
+
 def summaryhook(ui, repo):
     t = repo.currenttopic
     if not t: