mm/tools/warnings_count/compare_warnings.sh

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#!/usr/bin/env bash
# Terminal colour codes
# when $TERM is empty (non-interactive shell), then expand tput with '-T xterm-256color'
[[ ${TERM}=="" ]] && TPUTTERM='-T dumb' \
|| TPUTTERM=''
declare -r BOLD=`tput ${TPUTTERM} bold`
declare -r RED=`tput ${TPUTTERM} setaf 1`
declare -r PURPLE=`tput ${TPUTTERM} setaf 5`
declare -r WHITE=`tput ${TPUTTERM} setaf 7`
declare -r BLINK=`tput ${TPUTTERM} blink`
declare -r RST=`tput ${TPUTTERM} sgr0`
read CURRENT_LINES CURRENT <<< $(wc -l "tools/warnings_count/warnings_$1_current.txt")
read NEW_LINES NEW <<< $(wc -l "tools/warnings_count/warnings_$1_new.txt")
if [ $NEW_LINES -le $CURRENT_LINES ]
then
echo "${BOLD}No new warnings added in $1, well done.${RST}
"
exit 0
else
CURRENT_NUM=$(grep -i 'warning' $CURRENT | wc -l)
NEW_NUM=$(grep -i 'warning' $NEW | wc -l)
EXTRA_NUM=$(( $NEW_NUM - $CURRENT_NUM ))
echo "${BOLD}${RED}There are $EXTRA_NUM new warnings in $1, please fix them!${RST}
${BOLD}Current warnings:${RST}"
cat $CURRENT
echo "${BOLD}
Total current warnings: $CURRENT_NUM
New warnings:${RST}"
cat "$NEW"
echo "${BOLD}
Total new warnings: $NEW_NUM ${RED}
Total extra warnings: $EXTRA_NUM ${RST}
${BOLD}
If these warnings are needed to produce a matching build, run 'tools/warnings_count/update_current_warnings.sh' and commit the updated files in 'tools/warnings_count/'.${RST}"
exit 1
fi