add the old snippet md files

old_snippets/git-rebase.en.md

@@ -0,0 +1,16 @@
+---
+title: "rewrite history git history"
+date: 2020-01-11T04:58:50+01:00
+draft: false
+snippet_types: ["git"]
+---
+
+```shell
+$ git rebase -i HEAD~3
+```
+
+Using this command you can rewrite a series of commits via dropping, fixing, squshing, and picking. It's most helpful before pushing to a remote repo if you did a bunch of small commits you want to roll into one. 
+
+source:
+
+[git docs](https://git-scm.com/book/en/v2/Git-Tools-Rewriting-History)