From 222800a86ed002c564e2760d6c5d9e93810b5b96 Mon Sep 17 00:00:00 2001
From: epriestley <git@epriestley.com>
Date: Tue, 19 Jun 2018 12:06:15 -0700
Subject: [PATCH] Parse Mercurial changeset evolution "instability" log field

Summary: See PHI718. Modern Mercurial with the "evolve" extension enabled may emit this field.

Test Plan: As D19262.

Reviewers: amckinley

Reviewed By: amckinley

Differential Revision: https://secure.phabricator.com/D19498
---
 src/repository/parser/ArcanistMercurialParser.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/repository/parser/ArcanistMercurialParser.php b/src/repository/parser/ArcanistMercurialParser.php
index 4eb10e2f..33e59c5c 100644
--- a/src/repository/parser/ArcanistMercurialParser.php
+++ b/src/repository/parser/ArcanistMercurialParser.php
@@ -175,8 +175,9 @@ final class ArcanistMercurialParser extends Phobject {
             $commit['bookmark'] = $value;
             break;
           case 'obsolete':
-            // This is an extra field added by the "evolve" extension even
-            // if HGPLAIN=1 is set. See PHI502.
+          case 'instability':
+            // These are extra fields added by the "evolve" extension even
+            // if HGPLAIN=1 is set. See PHI502 and PHI718.
             break;
           default:
             throw new Exception(