From b1f4cf0670682041f7cb8f7c07491da9c5982d85 Mon Sep 17 00:00:00 2001
From: noraworld <mail@noraworld.com>
Date: Sun, 13 Mar 2022 03:18:40 +0900
Subject: [PATCH] Do not commit if nothing to commit

---
 action.yml | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/action.yml b/action.yml
index 9cf9e92..a4f7a2b 100644
--- a/action.yml
+++ b/action.yml
@@ -72,8 +72,10 @@ runs:
     - name: Update mapping file
       # https://github.com/actions/checkout/tree/2d1c1198e79c30cca5c3957b1e3b65ce95b5356e#push-a-commit-using-the-built-in-token
       run: |
-        git config user.name github-actions
-        git config user.email github-actions@github.com
-        git commit -am "Update mapping file"
-        git push
+        if [ -n "$(git status --porcelain)" ]; then
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git commit -am "Update mapping file"
+          git push
+        fi
       shell: sh