# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1500759628 -7200
# Node ID f4dd6e6d4c7362644b83ffb4af55f89a65a79ddd
# Parent  f690d51dfe5ef187554a356a1b28983f12ceb3a0
rewriteutil: create a rewriteutil module to host utility function

The ultimate goal of this module is to gather basic building block for rewriting
changesets. This is aimed at moving into core and being use by the core
extension.

diff -r f690d51dfe5e -r f4dd6e6d4c73 hgext3rd/evolve/__init__.py
--- a/hgext3rd/evolve/__init__.py	Sun Jul 23 06:47:34 2017 +0200
+++ b/hgext3rd/evolve/__init__.py	Sat Jul 22 23:40:28 2017 +0200
@@ -284,6 +284,7 @@
     obscache,
     obsexchange,
     obshistory,
+    rewriteutil,
     safeguard,
     templatekw,
     utility,
@@ -316,7 +317,7 @@
 aliases, entry = cmdutil.findcmd('commit', commands.table)
 commitopts3 = evocommands.commitopts3
 interactiveopt = evocommands.interactiveopt
-_bookmarksupdater = evocommands._bookmarksupdater
+_bookmarksupdater = rewriteutil.bookmarksupdater
 
 # This extension contains the following code
 #
diff -r f690d51dfe5e -r f4dd6e6d4c73 hgext3rd/evolve/evocommands.py
--- a/hgext3rd/evolve/evocommands.py	Sun Jul 23 06:47:34 2017 +0200
+++ b/hgext3rd/evolve/evocommands.py	Sat Jul 22 23:40:28 2017 +0200
@@ -31,7 +31,7 @@
 
 from . import (
     exthelper,
-    compat,
+    rewriteutil,
 )
 
 eh = exthelper.exthelper()
@@ -64,17 +64,6 @@
 
 interactiveopt = [['i', 'interactive', None, _('use interactive mode')]]
 
-def _bookmarksupdater(repo, oldid, tr):
-    """Return a callable update(newid) updating the current bookmark
-    and bookmarks bound to oldid to newid.
-    """
-    def updatebookmarks(newid):
-        oldbookmarks = repo.nodebookmarks(oldid)
-        bmchanges = [(b, newid) for b in oldbookmarks]
-        if bmchanges:
-            compat.bookmarkapplychanges(repo, tr, bmchanges)
-    return updatebookmarks
-
 @eh.command(
     'amend|refresh',
     [('A', 'addremove', None,
@@ -288,7 +277,7 @@
 
         # Recommit the filtered changeset
         tr = repo.transaction('uncommit')
-        updatebookmarks = _bookmarksupdater(repo, old.node(), tr)
+        updatebookmarks = rewriteutil.bookmarksupdater(repo, old.node(), tr)
         newid = None
         includeorexclude = opts.get('include') or opts.get('exclude')
         if (pats or includeorexclude or opts.get('all')):
diff -r f690d51dfe5e -r f4dd6e6d4c73 hgext3rd/evolve/rewriteutil.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hgext3rd/evolve/rewriteutil.py	Sat Jul 22 23:40:28 2017 +0200
@@ -0,0 +1,27 @@
+# Module dedicated to host utility code dedicated to changeset rewrite
+#
+# Copyright 2017 Octobus <contact@octobus.net>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+# Status: Stabilization of the API in progress
+#
+#   The content of this module should move into core incrementally once we are
+#   happy one piece of it (and hopefully, able to reuse it in other core
+#   commands).
+
+from . import (
+    compat,
+)
+
+def bookmarksupdater(repo, oldid, tr):
+    """Return a callable update(newid) updating the current bookmark
+    and bookmarks bound to oldid to newid.
+    """
+    def updatebookmarks(newid):
+        oldbookmarks = repo.nodebookmarks(oldid)
+        bmchanges = [(b, newid) for b in oldbookmarks]
+        if bmchanges:
+            compat.bookmarkapplychanges(repo, tr, bmchanges)
+    return updatebookmarks