From e6b4530234dc9c32fc69a0dae21cf8c28ce33804 Mon Sep 17 00:00:00 2001
From: Todd Gamblin <tgamblin@llnl.gov>
Date: Thu, 22 Jan 2015 13:52:28 -0800
Subject: [PATCH] Add is_exe function to filesystem.
---
lib/spack/llnl/util/filesystem.py | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/lib/spack/llnl/util/filesystem.py b/lib/spack/llnl/util/filesystem.py
index 9f08832598..0578415653 100644
--- a/lib/spack/llnl/util/filesystem.py
+++ b/lib/spack/llnl/util/filesystem.py
@@ -24,7 +24,7 @@
##############################################################################
__all__ = ['set_install_permissions', 'install', 'expand_user', 'working_dir',
'touch', 'mkdirp', 'force_remove', 'join_path', 'ancestor',
- 'can_access', 'filter_file', 'change_sed_delimiter']
+ 'can_access', 'filter_file', 'change_sed_delimiter', 'is_exe']
import os
import sys
@@ -154,6 +154,11 @@ def install(src, dest):
os.chmod(dest, dest_mode)
+def is_exe(path):
+ """True if path is an executable file."""
+ return os.path.isfile(path) and os.access(path, os.X_OK)
+
+
def expand_user(path):
"""Find instances of '%u' in a path and replace with the current user's
username."""
--
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