branching: merge stable into default

.hgsigs

@@ -258,3 +258,4 b' 136902b3a95db38854ebaf5198a627641065c2ea'
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.hgtags

@@ -274,3 +274,4 b' 136902b3a95db38854ebaf5198a627641065c2ea'
 3fd1efb3ad124e6686c0fb66e6943cd8aeea5681 6.6.3
 d1d48d18db37106b801ef6cb90955536458e7ffc 6.7rc0
 c9ceb4f6025690167bdb245e530de6bac8baae95 6.7
+2e6fde2ed01e63f0de6a5966994fbb60b1f87057 6.7.1

mercurial/revlogutils/deltas.py

@@ -876,7 +876,8 b' class _GeneralDeltaSearch(_BaseDeltaSear'
             # XXX note that the ordering of the group becomes important as
             # it now impacts the final result. The current order is
             # unprocessed and can be improved.
-            next_idx = self._internal_idx + self._group_chunk_size
+            chunk_size = self.revlog.delta_config.candidate_group_chunk_size
+            next_idx = self._internal_idx + chunk_size
             self.current_group = self._internal_group[
                 self._internal_idx : next_idx
             ]

mercurial/sshpeer.py

@@ -640,7 +640,7 b' def make_peer('
     """
     u = urlutil.url(path.loc, parsequery=False, parsefragment=False)
     if u.scheme != b'ssh' or not u.host or u.path is None:
-        raise error.RepoError(_(b"couldn't parse location %s") % path)
+        raise error.RepoError(_(b"couldn't parse location %s") % path.loc)
 
     urlutil.checksafessh(path.loc)
 

mercurial/subrepoutil.py

@@ -421,7 +421,18 b' def repo_rel_or_abs_source(repo):'
 
     chunks.reverse()
     path = posixpath.join(*chunks)
-    return posixpath.normpath(path)
+    matchscheme = re.compile(b'^[a-zA-Z0-9+.\\-]+:').match
+    if matchscheme(path):
+        scheme, path = path.split(b':', 1)
+        if path.startswith(b'//'):
+            path = path[2:]
+            sep = b'//'
+        else:
+            sep = b''
+        normalized_path = scheme + b':' + sep + posixpath.normpath(path)
+    else:
+        normalized_path = posixpath.normpath(path)
+    return normalized_path
 
 
 def reporelpath(repo: "localrepo.localrepository") -> bytes:

relnotes/6.7

@@ -1,3 +1,12 b''
+= Mercurial 6.7.1 =
+
+Exceptional release following a crash found in delta code that can be triggered
+with complex repository shapes.
+
+ * delta-search: fix crash caused by unbound variable
+ * sshpeer: fix path when handling invalid url exception
+ * subrepo: fix normalizing paths with scheme
+
 = Mercurial 6.7 =
 
 As usual, a *lot* of patches don't make it to this list.