k3s/hooks/prepare-commit-msg

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#!/bin/bash
errors=0
for file in $(git diff --cached --name-only --diff-filter ACM | grep "\.go" | grep -v "third_party"); do
diff="$(git show ":${file}" | gofmt -s -d)"
if [[ -n "$diff" ]]; then
echo "# *** ERROR: *** File ${file} has not been gofmt'd." >> $1
errors=1
fi
done
if [[ $errors == "1" ]]; then
echo "# To fix these errors, run gofmt -s -w <file>." >> $1
echo "# If you want to commit in spite of these format errors," >> $1
echo "# then delete this line. Otherwise, your commit will be" >> $1
echo "# aborted." >> $1
fi