lit.cfg: better check for MSYS
When running the tests under Cygwin using non-Cygwin python,
the platform would be Windows and there would be bash on the path,
so this check for MSYS would not work correctly.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187737 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/lit.cfg b/test/lit.cfg
index a5bb350..f2f16fb 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -245,7 +245,7 @@
config.available_features.add('shell')
# Exclude MSYS due to transforming '/' to 'X:/mingwroot/'.
-if not platform.system() in ['Windows'] or lit.getBashPath() == '':
+if not platform.system() in ['Windows'] or not execute_external:
config.available_features.add('shell-preserves-root')
# ANSI escape sequences in non-dumb terminal
