From 8ed537708f94567b7cbc72f4505e4f99b61aeb8a Mon Sep 17 00:00:00 2001
From: homoluctus <w.slife18sy@gmail.com>
Date: Mon, 16 Sep 2019 05:49:53 +0900
Subject: [PATCH] fix: terminate safely if no git diff

---
 .github/workflows/release.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 76b75502..92c72e06 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -49,8 +49,13 @@ jobs:
 
       - name: Git commit
         run: |
-          git status
           git add -A
+
+          DIFF=`git diff --cached --numstat | wc -l`
+          if [ $DIFF -eq 0 ]; then
+            exit 0
+          fi
+
           git commit -am '[UPDATE] prepare for release'
 
       - name: Git push