Create rollback-merge.md

sukezane · web-flow · commit dfa9438732f6 · 2019-03-12T17:36:44.000+09:00
diff --git a/Git/rollback-merge.md b/Git/rollback-merge.md
@@ -0,0 +1,6 @@
+```
+git reset --hard HEAD@{n}
+```
+
+## Reference
+https://qiita.com/t-vinn/items/537c2236e56ef389133b
