# HG changeset patch
# User Mads Kiilerich <mads@kiilerich.com>
# Date 2018-05-11 14:26:48
# Node ID bc5e635afef78a7790104cf8e8bced5e3871bf59
# Parent  cc389e91a20a5e764cb354dd7d980c978e1d9e0a

hg: support annotate refactoring in Mercurial 4.6 for returning annotateline objeccts

Attempts at using annotateline.fctx will fail with AttributeError if we didn't
get an annotateline but an old tuple.

diff --git a/kallithea/lib/vcs/backends/hg/changeset.py b/kallithea/lib/vcs/backends/hg/changeset.py
--- a/kallithea/lib/vcs/backends/hg/changeset.py
+++ b/kallithea/lib/vcs/backends/hg/changeset.py
@@ -297,7 +297,9 @@ class MercurialChangeset(BaseChangeset):
             lineno, sha, changeset lazy loader and line
         """
         annotations = self._get_filectx(path).annotate()
-        if True:
+        try:
+            annotation_lines = [(annotateline.fctx, annotateline.text) for annotateline in annotations]
+        except AttributeError: # annotateline was introduced in Mercurial 4.6 (b33b91ca2ec2)
             try:
                 annotation_lines = [(aline.fctx, l) for aline, l in annotations]
             except AttributeError: # aline.fctx was introduced in Mercurial 4.4