misc/format-files

   1 #!/bin/sh
   2
   3 set -eu
   4
   5 tmp_file=$(mktemp)
   6 trap "rm $tmp_file" EXIT
   7
   8 all=
   9 check=
  10
  11 for arg in "$@"; do
  12     case $arg in
  13         --all)
  14             all=$arg
  15             ;;
  16         --check)
  17             check=$arg
  18             ;;
  19         *)
  20             break
  21             ;;
  22     esac
  23     shift
  24 done
  25
  26 if [ -n "$all" ]; then
  27     exec sh "$0" $check $(git ls-files '*.[ch]' '*.[ch]pp' ':!:src/third_party')
  28 fi
  29
  30 clang_format="$(dirname "$0")/clang-format"
  31 [ -t 1 ] && cf_color="--color=always" || cf_color=""
  32
  33 if [ -n "${VERBOSE:-}" ]; then
  34     "$clang_format" --version
  35 fi
  36
  37 status=0
  38 for file in "$@"; do
  39     "$clang_format" "$file" >"$tmp_file"
  40     if cmp -s "$file" "$tmp_file"; then
  41         continue
  42     fi
  43
  44     if [ -n "$check" ]; then
  45         status=1
  46         echo "Error: $file not formatted with Clang-Format"
  47         echo 'Run "make format" or apply this diff:'
  48         git diff $cf_color --no-index "$file" "$tmp_file" \
  49             | sed -E -e "s!^---.*!--- a/$file!" \
  50                      -e "s!^\+\+\+.*!+++ b/$file!" \
  51                      -e "/diff --/d" -e "/index /d" \
  52                      -e "s/.[0-9]*.clang-format.tmp//"
  53     else
  54         echo "Reformatted $file"
  55         cp "$tmp_file" "$file"
  56     fi
  57 done
  58
  59 exit $status