Add fixup commit

snippets/create-fixup-commit.md

@@ -0,0 +1,21 @@
+---
+title: Create a fixup commit
+tags: commit,advanced
+---
+
+Creates a fixup commit that can be autosquashed in the next rebase.
+
+- Use `git commit --fixup <commit>` to create a fixup commit for the specified `<commit>`.
+- After running `git rebase --autosquash`, fixup commits will be automatically squashed into the commits they reference.
+
+```sh
+git commit --fixup <commit>
+```
+
+```sh
+git add .
+git commit --fixup 3050fc0de
+# Created a fixup commit for `3050fc0de`
+git rebase HEAD~5 --autosquash
+# Now the fixup commit has been squashed
+```