From 2c59c1be4ba3e0a7730b82cba798a886ed38381c Mon Sep 17 00:00:00 2001
From: Simon Heimberg <simohe@besonet.ch>
Date: Sat, 28 Jul 2012 23:28:17 +0200
Subject: [PATCH] tests: unset variable HG if it is set

When hg tries to call itself it can call a different hg executable when this
variable is set. Some tests fail when the called hg version is different.
---
 tests/run-tests.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/run-tests.py b/tests/run-tests.py
index c418f00383..d098aaa297 100755
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -1211,6 +1211,10 @@ def main():
             # can't remove on solaris
             os.environ[k] = ''
             del os.environ[k]
+    if 'HG' in os.environ:
+        # can't remove on solaris
+        os.environ['HG'] = ''
+        del os.environ['HG']
 
     global TESTDIR, HGTMP, INST, BINDIR, PYTHONDIR, COVERAGE_FILE
     TESTDIR = os.environ["TESTDIR"] = os.getcwd()