From patchwork Wed Oct  4 15:13:16 2017
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Subject: D933: scmutil: add a new function to show changes after a command
From: phabricator <phabricator@mercurial-scm.org>
X-Patchwork-Id: 24501
Message-Id: <ca2f60a4c88ec5472f939bdb2c428709@localhost.localdomain>
To: mercurial-devel@mercurial-scm.org
Date: Wed, 4 Oct 2017 15:13:16 +0000

pulkit updated this revision to Diff 2418.
pulkit edited the summary of this revision.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D933?vs=2414&id=2418

REVISION DETAIL
  https://phab.mercurial-scm.org/D933

AFFECTED FILES
  mercurial/scmutil.py

CHANGE DETAILS




To: pulkit, #hg-reviewers
Cc: dlax, quark, yuja, mercurial-devel

diff --git a/mercurial/scmutil.py b/mercurial/scmutil.py
--- a/mercurial/scmutil.py
+++ b/mercurial/scmutil.py
@@ -685,6 +685,14 @@
             if tostrip:
                 repair.delayedstrip(repo.ui, repo, tostrip, operation)
 
+def showchanges(replacements, fm):
+    """ output the hash changes using formatter instance which is passed.
+    """
+    nodesdict = {short(pred): [short(s) for s in succs] for pred, succs in
+                                                    replacements.iteritems()}
+    fm.write('hashchanges', '%s\n',
+                        fm.formatdict(nodesdict, fmt='%r --> %r', sep='\n'))
+
 def addremove(repo, matcher, prefix, opts=None, dry_run=None, similarity=None):
     if opts is None:
         opts = {}