add the old snippet md files

old_snippets/git-log-grep.en.md

@@ -0,0 +1,16 @@
+---
+title: "search git logs with grep"
+date: 2020-01-11T05:13:57+01:00
+draft: false
+snippet_types: ["git", "search"]
+---
+
+```shell
+$ git log --grep=NUTS-5288 --since=3.month
+```
+
+Have I already made commits for this Jira ticket?
+
+source:
+
+[gitster blog](https://gitster.livejournal.com/30195.html)