Run clang-tidy

tidy.sh

#!/bin/bash

verbose=0
arg=$1

if [ "$arg" = "-h" ]; then
  echo "Usage: $0 [OPTIONS] [FILENAME]"
  echo -e "    -h\tShow this help"
  echo -e "    -v\tverbose - show more output"
  echo
  echo "Runs the latest installed version of clang-tidy on FILENAME, or on a list of files supplied via STDIN"
  exit
elif [ "$arg" = "-v" ]; then
  verbose=1
  arg=$2
fi

names=(clang-tidy
clang-tidy-5.0
clang-tidy-4.0
clang-tidy-3.9
clang-tidy-3.8
clang-tidy-3.7
clang-tidy-3.6)

for binary in ${names[@]}; do
  BIN=$(which $binary)
  if [ ! -z "${BIN}" ]; then
   if [[ "$verbose" -gt 0 ]]; then
     echo "# Found: $BIN"
   fi
   break
  fi
done

while IFS= read file
do
  div="########################################"
  echo $div
  echo "# $file"
  echo $div
  if [[ "$verbose" -lt 1 ]]; then
    $BIN $file 2>&1 | grep -v "Use -system-headers to display errors"
  else
    $BIN $file
  fi
  echo
done < "${arg:-/dev/stdin}"