util/ci/clang-format.sh

   1 #! /bin/bash
   2
   3 function setup_for_format() {
   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
  13 function check_format() {
  14         echo "Checking format..."
  15
  16         setup_for_format
  17
  18         local errorcount=0
  19         local fail=0
  20         for f in ${files_to_lint}; do
  21                 d=$(diff -u "$f" <(${CLANG_FORMAT} "$f") || true)
  22
  23                 if ! [ -z "$d" ]; then
  24                         whitelisted=$(awk '$1 == "'$f'" { print 1 }' "$CLANG_FORMAT_WHITELIST")
  25
  26                         # If file is not whitelisted, mark a failure
  27                         if [ -z "${whitelisted}" ]; then
  28                                 errorcount=$((errorcount+1))
  29
  30                                 printf "The file %s is not compliant with the coding style" "$f"
  31                                 if [ ${errorcount} -gt 50 ]; then
  32                                         printf "\nToo many errors encountered previously, this diff is hidden.\n"
  33                                 else
  34                                         printf ":\n%s\n" "$d"
  35                                 fi
  36
  37                                 fail=1
  38                         fi
  39                 fi
  40         done
  41
  42         if [ "$fail" = 1 ]; then
  43                 echo "LINT reports failure."
  44                 exit 1
  45         fi
  46
  47         echo "LINT OK"
  48 }
  49
  50
  51
  52 function fix_format() {
  53         echo "Fixing format..."
  54
  55         setup_for_format
  56
  57         for f in ${files_to_lint}; do
  58                 whitelisted=$(awk '$1 == "'$f'" { print 1 }' "$CLANG_FORMAT_WHITELIST")
  59                 if [ -z "${whitelisted}" ]; then
  60                         echo "$f"
  61                         $CLANG_FORMAT -i "$f"
  62                 fi
  63         done
  64 }