Git Pre-commit Hook for Golang Developer

pre-commit

#!/bin/sh
# 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.

# List all unformatted files
gofiles=$(git diff --cached --name-only --diff-filter=ACM | grep '\.go$')
unformatted=$(gofmt -l $gofiles)

# Some files are not gofmt'd. Print message.
if [ "$unformatted" ]
then
	echo >&2 "Go files must be formatted with gofmt. Running:"
	for fn in $unformatted; do
		echo >&2 "  gofmt -w $PWD/$fn"
		gofmt -w $PWD/$fn
		git add $PWD/$fn
	done
	printf "\n"
fi

# Build binaries to ensure program can be built
printf "Build binaries...\n"
make build || exit 1

printf "\nCommitting...\n"
exit 0