From 50b081827365da913c07917afdd8867894d6ad75 Mon Sep 17 00:00:00 2001
From: Nick <coffeebeforearch@gmail.com>
Date: Fri, 13 Sep 2019 11:03:24 -0400
Subject: try conditional check in bash

---
 Jenkinsfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Jenkinsfile b/Jenkinsfile
index e3ae91e..714ca41 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -13,7 +13,10 @@ pipeline {
               source /home/tgrogers-raid/a/common/gpgpu-sim-setup/common/export_gcc_version.sh 5.3.0
               git remote add upstream https://github.com/purdue-aalp/gpgpu-sim_distribution
               git fetch upstream
-              git diff --name-only upstream/dev | grep -E "*.cc|*.h|*.cpp|*.hpp" | xargs ./run-clang-format.py --clang-format-executable /tmp/clang-format
+              cpp_diff= $(git diff --name-only upstream/dev | grep -E "*.cc|*.h|*.cpp|*.hpp")
+              if [[ $cpp_diff ]]; then
+                git diff --name-only upstream/dev | grep -E "*.cc|*.h|*.cpp|*.hpp" | xargs ./run-clang-format.py --clang-format-executable /tmp/clang-format
+              fi
             ''' 
           }
         }
-- 
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