#!/usr/bin/env bash

source "$(dirname "$BASH_SOURCE")/.validate"

IFS=$'\n'
src=( $(validate_diff --diff-filter=ACMR --name-only -- '*.go' | grep -v '^vendor/\|autogen' || true) )
docs=( $(validate_diff --diff-filter=ACMR --name-only -- 'docs/*.md') )
unset IFS
files=("${src[@]}" "${docs[@]}")

errors=()
for f in "${files[@]}"; do
	# we use source text here so we also check spelling of variable names
	failedSpell=$(misspell -source=text "$f")
	if [ "$failedSpell" ]; then
		errors+=( "$failedSpell" )
	fi
done

if [ ${#errors[@]} -eq 0 ]; then
	echo 'Congratulations!  All Go source files and docs have been checked for common misspellings.'
else
	{
		echo "Errors from misspell:"
		for err in "${errors[@]}"; do
			echo "$err"
		done
		echo
		echo 'Please fix the above errors. You can test via "misspell" and commit the result.'
		echo
	} >&2
	false
fi