From 6fa5ded104d1221985df862caa2bd53189e9fdd9 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Wed, 19 Apr 2023 17:58:03 +0200
Subject: [PATCH] githooks: add a githook to check that the test-plans go.mod
 is tidied

---
 .githooks/README.md  |  8 ++++++++
 .githooks/pre-commit | 13 +++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 .githooks/README.md
 create mode 100755 .githooks/pre-commit

diff --git a/.githooks/README.md b/.githooks/README.md
new file mode 100644
index 0000000000..c2de4599ff
--- /dev/null
+++ b/.githooks/README.md
@@ -0,0 +1,8 @@
+# Git Hooks
+
+This directory contains useful Git hooks for working with go-libp2p.
+
+Install them by running
+```bash
+git config core.hooksPath .githooks
+```
diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100755
index 0000000000..27af2ba8e8
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+pushd ./test-plans > /dev/null
+go mod tidy
+if [[ -n $(git diff --name-only -- "go.mod" "go.sum") ]]; then
+  echo "go.mod / go.sum in test-plans not tidied"
+  errored=true
+fi
+popd > /dev/null
+
+if [ "$errored" = true ]; then
+	exit 1
+fi