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#!/bin/sh
# Copyright 2012 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# git gofmt pre-commit hook
#
# To use, store as .git/hooks/pre-commit inside your repository and make sure
# it has execute permissions.
#
# This script does not handle file names that contain spaces.
# golint is purely informational, it doesn't fail with exit code != 0 if it finds something,
# because it may find a lot of false positives. Just print out its result for information.
echo "lint result (informational only):"
echo
golint .
# go vet returns 1 if an error was found. Exit the hook with this exit code.
go vet ./...
vetres=$?
# Check for gofmt problems and report if any.
gofiles=$(git diff --cached --name-only --diff-filter=ACM | grep '.go$')
[ -z "$gofiles" ] && echo "EXIT $vetres" && exit $vetres
unformatted=$(gofmt -l $gofiles)
[ -z "$unformatted" ] && echo "EXIT $vetres" && exit $vetres
# Some files are not gofmt'd. Print message and fail.
echo >&2 "Go files must be formatted with gofmt. Please run:"
for fn in $unformatted; do
echo >&2 " gofmt -w $PWD/$fn"
done
echo "EXIT 1"
exit 1
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