util/ci/lint.sh

   1 #! /bin/bash
   2 function perform_lint() {
   3         echo "Performing LINT..."
   4         if [ -z "${CLANG_FORMAT}" ]; then
   5                 CLANG_FORMAT=clang-format
   6         fi
   7         echo "LINT: Using binary $CLANG_FORMAT"
   8         CLANG_FORMAT_WHITELIST="util/ci/clang-format-whitelist.txt"
   9
  10         files_to_lint="$(find src/ -name '*.cpp' -or -name '*.h')"
  11
  12         local errorcount=0
  13         local fail=0
  14         for f in ${files_to_lint}; do
  15                 d=$(diff -u "$f" <(${CLANG_FORMAT} "$f") || true)
  16
  17                 if ! [ -z "$d" ]; then
  18                         whitelisted=$(awk '$1 == "'$f'" { print 1 }' "$CLANG_FORMAT_WHITELIST")
  19
  20                         # If file is not whitelisted, mark a failure
  21                         if [ -z "${whitelisted}" ]; then
  22                                 errorcount=$((errorcount+1))
  23
  24                                 printf "The file %s is not compliant with the coding style" "$f"
  25                                 if [ ${errorcount} -gt 50 ]; then
  26                                         printf "\nToo many errors encountered previously, this diff is hidden.\n"
  27                                 else
  28                                         printf ":\n%s\n" "$d"
  29                                 fi
  30
  31                                 fail=1
  32                         fi
  33                 fi
  34         done
  35
  36         if [ "$fail" = 1 ]; then
  37                 echo "LINT reports failure."
  38                 exit 1
  39         fi
  40
  41         echo "LINT OK"
  42 }
  43