util/lint/lint-stable-022-clang-format

   1 #!/usr/bin/env sh
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-only
   4
   5 # DESCR: Run clang-format on white-listed directories
   6
   7 LINTDIR="$(
   8   cd -- "$(dirname "$0")" > /dev/null 2>&1 || return
   9   pwd -P
  10 )"
  11
  12 # shellcheck source=helper_functions.sh
  13 . "${LINTDIR}/helper_functions.sh"
  14
  15 # Until we require this by default, we need a list of opted-in directories
  16 # If the script isn't looking at a git repository, just exit
  17 if [ ! -f .clang-format-scope ] || [ "${IN_GIT_TREE}" -eq 0 ]; then
  18         exit 0
  19 fi
  20
  21 files_to_check=$(${GIT} log HEAD~..HEAD --format= --name-only $(cat .clang-format-scope) | grep "\.[ch]$")
  22
  23 # nothing to do
  24 if [ -z "$files_to_check" ]; then
  25         exit 0
  26 fi
  27
  28 if [ $(clang-format $files_to_check | wc -l) -gt 0 ]; then
  29         if [ "$(${GIT} diff --no-prefix HEAD~..HEAD -- $files_to_check | clang-format-diff)" != "" ]; then
  30                 echo "Coding style mismatch. The following patch fixes it:"
  31                 ${GIT} diff --no-prefix HEAD~..HEAD -- $files_to_check | clang-format-diff
  32                 exit 0
  33         fi
  34 fi