# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 1601050437 25200
# Node ID 3b7df91c2ba7bb7f2296ca66403ef80d3bf2c76e
# Parent  0e23393dda9c55ab5b3be3e03c12d5609860a695
compat: add support for upstream rename of merge.update() to _update()

The function was renamed in Mercurial commit 2c86b9587740.

diff -r 0e23393dda9c -r 3b7df91c2ba7 hgext3rd/evolve/compat.py
--- a/hgext3rd/evolve/compat.py	Sat Sep 19 17:56:01 2020 +0200
+++ b/hgext3rd/evolve/compat.py	Fri Sep 25 09:13:57 2020 -0700
@@ -386,3 +386,11 @@
         # hg <= 5.2 (85c4cd73996b)
         if util.safehasattr(repo, '_quick_access_changeid_invalidate'):
             repo._quick_access_changeid_invalidate()
+
+if util.safehasattr(mergemod, '_update'):
+    def update(*args, **kwargs):
+        return mergemod._update(*args, **kwargs)
+else:
+    # hg <= 5.5 (2c86b9587740)
+    def update(*args, **kwargs):
+        return mergemod.update(*args, **kwargs)
diff -r 0e23393dda9c -r 3b7df91c2ba7 hgext3rd/evolve/evolvecmd.py
--- a/hgext3rd/evolve/evolvecmd.py	Sat Sep 19 17:56:01 2020 +0200
+++ b/hgext3rd/evolve/evolvecmd.py	Fri Sep 25 09:13:57 2020 -0700
@@ -258,8 +258,8 @@
     # like reverting to the bumped node.
     wctx = context.overlayworkingctx(repo)
     wctx.setbase(prec)
-    merge.update(repo, bumped.node(), ancestor=prec, mergeancestor=True,
-                 branchmerge=False, force=False, wc=wctx)
+    compat.update(repo, bumped.node(), ancestor=prec, mergeancestor=True,
+                  branchmerge=False, force=False, wc=wctx)
     if not wctx.isempty():
         text = b'%s update to %s:\n\n' % (TROUBLES['PHASEDIVERGENT'], prec)
         text += bumped.description()
@@ -602,12 +602,12 @@
         progresscb()
     with state.saver(evolvestate):
         mergeancestor = repo.changelog.isancestor(local.node(), other.node())
-        stats = merge.update(repo,
-                             other.node(),
-                             branchmerge=True,
-                             force=False,
-                             ancestor=base.node(),
-                             mergeancestor=mergeancestor)
+        stats = compat.update(repo,
+                              other.node(),
+                              branchmerge=True,
+                              force=False,
+                              ancestor=base.node(),
+                              mergeancestor=mergeancestor)
         hg._showstats(repo, stats)
 
         # conflicts while merging content-divergent changesets
@@ -1006,10 +1006,7 @@
     """Used by the evolve function to merge dest on top of pctx.
     return the same tuple as merge.graft"""
     if repo[b'.'].rev() != dest.rev():
-        merge.update(repo,
-                     dest,
-                     branchmerge=False,
-                     force=True)
+        compat.update(repo, dest, branchmerge=False, force=True)
     if repo._activebookmark:
         repo.ui.status(_(b"(leaving bookmark %s)\n") % repo._activebookmark)
     bookmarksmod.deactivate(repo)
diff -r 0e23393dda9c -r 3b7df91c2ba7 hgext3rd/topic/__init__.py
--- a/hgext3rd/topic/__init__.py	Sat Sep 19 17:56:01 2020 +0200
+++ b/hgext3rd/topic/__init__.py	Fri Sep 25 09:13:57 2020 -0700
@@ -353,7 +353,11 @@
                      _(b"topic to push"), _(b'TOPIC')))
 
     extensions.wrapfunction(cmdutil, 'buildcommittext', committextwrap)
-    extensions.wrapfunction(merge, 'update', mergeupdatewrap)
+    if util.safehasattr(merge, '_update'):
+        extensions.wrapfunction(merge, '_update', mergeupdatewrap)
+    else:
+        # hg <= 5.5 (2c86b9587740)
+        extensions.wrapfunction(merge, 'update', mergeupdatewrap)
     # We need to check whether t0 or b0 or s0 is passed to override the default update
     # behaviour of changing topic and I can't find a better way
     # to do that as scmutil.revsingle returns the rev number and hence we can't
diff -r 0e23393dda9c -r 3b7df91c2ba7 tests/test-evolve-content-divergent-corner-cases.t
--- a/tests/test-evolve-content-divergent-corner-cases.t	Sat Sep 19 17:56:01 2020 +0200
+++ b/tests/test-evolve-content-divergent-corner-cases.t	Fri Sep 25 09:13:57 2020 -0700
@@ -236,10 +236,10 @@
 
   $ cat >$TESTTMP/test_extension.py  << EOF
   > from mercurial import merge
-  > origupdate = merge.update
+  > origupdate = merge._update
   > def newupdate(*args, **kwargs):
   >   return origupdate(*args, **kwargs)
-  > merge.update = newupdate
+  > merge._update = newupdate
   > EOF
   $ cat >> $HGRCPATH << EOF
   > [extensions]