# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1605855745 -3600
# Node ID 012e25abc603e2d03841a86c519e80f09cb6fa09
# Parent  a42502e9ae6d1273b293b3367c91200c38ba2f82
command: automatically create alias for command using '-' in names

As discussed during the "5.6 Sprint" ignoring dash in command name open the way
to using them more. We can now move existing command to more readable (dash
using) names without breaking any compatibility.

Differential Revision: https://phab.mercurial-scm.org/D9515

diff -r a42502e9ae6d -r 012e25abc603 mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Mon Dec 28 01:05:09 2020 +0100
+++ b/mercurial/cmdutil.py	Fri Nov 20 08:02:25 2020 +0100
@@ -359,7 +359,17 @@
 
 
 def parsealiases(cmd):
-    return cmd.split(b"|")
+    base_aliases = cmd.split(b"|")
+    all_aliases = set(base_aliases)
+    extra_aliases = []
+    for alias in base_aliases:
+        if b'-' in alias:
+            folded_alias = alias.replace(b'-', b'')
+            if folded_alias not in all_aliases:
+                all_aliases.add(folded_alias)
+                extra_aliases.append(folded_alias)
+    base_aliases.extend(extra_aliases)
+    return base_aliases
 
 
 def setupwrapcolorwrite(ui):