From 4867c420cae0abdf8990b1c198a6ae4937eee79b Mon Sep 17 00:00:00 2001
From: Gildas Cherruel <gildas@breizh.org>
Date: Mon, 23 Jan 2023 18:34:27 +0900
Subject: [PATCH] Pre-commit should run go fmt on go files

---
 hooks/common/pre-commit | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/hooks/common/pre-commit b/hooks/common/pre-commit
index cd62f4c..5eef9f9 100755
--- a/hooks/common/pre-commit
+++ b/hooks/common/pre-commit
@@ -26,4 +26,17 @@ if ! get_config_bool gitflow.branch.allow-conflict-commit; then
   [[ ${#files_to_merge[@]} > 0 ]] && die "Resolve these merges before committing! ${files_to_merge[@]}"
 fi
 
+STAGED_GO_FILES=$(git diff --cached --name-only | grep "\.go$")
+[[ -z $STAGED_GO_FILES ]] && exit 0
+
+GOFMT=$(command -v gofmt)
+if (( $? )); then
+  GOFMT=$GOROOT/bin/gofmt
+  [[ ! -e $GOFMT ]] && die "The gofmt tool is missing, aborting"
+fi
+
+for file in $STAGED_GO_FILES ; do
+  $GOFMT -w $file
+done
+
 exit 0