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DevOps-Bash-tools/check_whitespace.sh

64 lines
2.5 KiB
Bash

#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2016-01-09 18:50:56 +0000 (Sat, 09 Jan 2016)
#
# https://github.com/harisekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
#
# http://www.linkedin.com/in/harisekhon
#
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
. "$srcdir/utils.sh"
section "Checking Whitespace"
start_time="$(start_timer)"
. "$srcdir/excluded.sh"
progress_char='.'
[ -n "${DEBUG:-}" ] && progress_char=''
whitespace_only_files_found=0
trailing_whitespace_files_found=0
trailing_whitespace_bar_files_found=0
for filename in $(find "${1:-.}" -type f | egrep -vf "$srcdir/whitespace_ignore.txt" | sort); do
isExcluded "$filename" && continue
printf "%s" "$progress_char"
# [[:space:]] matches \r in Windows files which we don't want, use explicit character class instead to exclude \r
# works but not efficient
#grep -Hn '^[[:space:]]\+$' <<< "$(tr -d '\r' < "$filename")" && let whitespace_only_files_found+=1 || :
#grep -Hn '[[:space:]]\+$' <<< "$(tr -d '\r' < "$filename")" && let trailing_whitespace_files_found+=1 || :
#egrep -Hn '[[:space:]]{4}\|[[:space:]]*$' <<< "$(tr -d '\r' < "$filename")" && let trailing_whitespace_bar_files_found+=1 || :
# \t aren't working inside character classes for some reason, embedding literal tabs instead
egrep -Hn '^[ ]+$' "$filename" && let whitespace_only_files_found+=1 || :
egrep -Hn '[ ]+$' "$filename" && let trailing_whitespace_files_found+=1 || :
egrep -Hn '[ ]{4}\|[ ]*$' "$filename" && let trailing_whitespace_bar_files_found+=1 || :
done
if [ $whitespace_only_files_found -gt 0 ]; then
echo "$whitespace_only_files_found files with whitespace only lines detected!"
fi
if [ $trailing_whitespace_files_found -gt 0 ]; then
echo "$trailing_whitespace_files_found files with trailing whitespace lines detected!"
fi
if [ $trailing_whitespace_bar_files_found -gt 0 ]; then
echo "$trailing_whitespace_bar_files_found files with trailing whitespace bar lines detected!"
fi
if [ $whitespace_only_files_found -gt 0 -o $trailing_whitespace_files_found -gt 0 -o $trailing_whitespace_bar_files_found -gt 0 ]; then
return 1 &>/dev/null || :
exit 1
fi
time_taken "$start_time"
section2 "Whitespace only checks passed"
echo