[eclipse-pydev] Conditionally chmod files (if there *are* any 644 files)

[Andrew Overholt]

commit 407b9c89c9092bc48509d99ddc5c30c9909d21eb
Author: Andrew Overholt <overholt at redhat.com>
Date:   Thu Apr 28 17:25:24 2011 -0400

    Conditionally chmod files (if there *are* any 644 files)

 eclipse-pydev.spec |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/eclipse-pydev.spec b/eclipse-pydev.spec
index f497429..1ae041e 100644
--- a/eclipse-pydev.spec
+++ b/eclipse-pydev.spec
@@ -200,7 +200,10 @@ popd
 # rename cgi.py's shebang from /usr/local/bin/python to /usr/bin/env python
 sed -i 's/\/usr\/local\/bin\/python/\/usr\/bin\/env python/' ${RPM_BUILD_ROOT}%{install_loc}/pydev/eclipse/plugins/org.python.pydev.jython_%{version}.%{qualifier}/Lib/cgi.py
 # convert .py$ files from mode 0644 to mode 0755
-chmod 0755 `find ${RPM_BUILD_ROOT} -name '*\.py' -perm 0644 | xargs`
+sixFourFourfiles=$(find ${RPM_BUILD_ROOT} -name '*\.py' -perm 0644 | xargs)
+if [ ${sixFourFourfiles:-0} -ne 0 ]; then
+  chmod 0755 ${sixFourFourfiles}
+fi
 
 %files
 %defattr(-,root,root,-)