Update cheatsheets

git-checkout-index

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git checkout-index
+
+> Copy files from the index to the working tree.
+> More information: <https://git-scm.com/docs/git-checkout-index>.
+
+- Restore any files deleted since the last commit:
+
+`git checkout-index --all`
+
+- Restore any files deleted or changed since the last commit:
+
+`git checkout-index --all --force`
+
+- Restore any files changed since the last commit, ignoring any files that were deleted:
+
+`git checkout-index --all --force --no-create`
+
+- Export a copy of the entire tree at the last commit to the specified directory (the trailing slash is important):
+
+`git checkout-index --all --force --prefix={{path/to/export_directory/}}`