Add rename branch snippets

snippets/rename-branch.md

@@ -0,0 +1,18 @@
+---
+title: Rename a branch
+tags: branch,beginner
+---
+
+Renames a local branch.
+
+- Use `git branch -m <old-name> <new-name>` to rename `<old-name>` to `<new-name>`.
+
+```sh
+git branch -m <old-name> <new-name>
+```
+
+```sh
+git checkout master
+git branch -m patch-1 patch-2
+# Renames `patch-1` to `patch-2`
+```