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@@ -38,3 +38,44 @@ the page as a suggestion.
 
 Stable links provide the user with an index into this list. When you insert new
 items, insert them at the end.
+
+## Git hooks
+
+This project includes a pre-commit and a pre-merge-commit hook to run tests.
+Using this hook is optional, but it'll catch a lot of minor breakage before
+Travis does.
+
+**Security note**: Enabling in-repository hooks means that anyone who can commit
+code to this repository can run that code on your computer. Only do this if
+you're willing to take that chance.
+
+To set this up:
+
+* Install additional Rust components:
+
+    ```bash
+    rustup component add clippy rustfmt
+    ```
+
+* Install `cargo-udeps`:
+
+    ```bash
+    cargo install cargo-udeps
+    ```
+
+* Configure Git to use these hooks:
+
+    ```bash
+    git config core.hooksPath .git-hooks
+    ```
+
+This only needs to be done once, and applies only to this project. To undo this,
+unset `core.hooksPath`:
+
+```bash
+git config --unset core.hooksPath
+```
+
+You can also temporarily suppress the hook with `git commit --no-verify`, if you
+have broken code you want to check in, or if the internet is unavailable for
+Cargo to download dependencies.