coccinelle/run-coccinelle.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -e
   4
   5 # Exclude following paths from the Coccinelle transformations
   6 EXCLUDED_PATHS=(
   7     "src/boot/efi/*"
   8     "src/shared/linux/*"
   9     "src/basic/linux/*"
  10     # Symlinked to test-bus-vtable-cc.cc, which causes issues with the IN_SET macro
  11     "src/libsystemd/sd-bus/test-bus-vtable.c"
  12     "src/libsystemd/sd-journal/lookup3.c"
  13 )
  14
  15 TOP_DIR="$(git rev-parse --show-toplevel)"
  16 ARGS=()
  17
  18 # Create an array from files tracked by git...
  19 mapfile -t FILES < <(git ls-files ':/*.[ch]')
  20 # ...and filter everything that matches patterns from EXCLUDED_PATHS
  21 for excl in "${EXCLUDED_PATHS[@]}"; do
  22     # shellcheck disable=SC2206
  23     FILES=(${FILES[@]//$excl})
  24 done
  25
  26 case "$1" in
  27     -i)
  28         ARGS+=(--in-place)
  29         shift
  30         ;;
  31 esac
  32
  33 if ! parallel -h >/dev/null; then
  34     echo 'Please install GNU parallel (package "parallel")'
  35     exit 1
  36 fi
  37
  38 [[ ${#@} -ne 0 ]] && SCRIPTS=("$@") || SCRIPTS=("$TOP_DIR"/coccinelle/*.cocci)
  39
  40 for script in "${SCRIPTS[@]}"; do
  41     echo "--x-- Processing $script --x--"
  42     TMPFILE="$(mktemp)"
  43     echo "+ spatch --sp-file $script ${ARGS[*]} ..."
  44     parallel --halt now,fail=1 --keep-order --noswap --max-args=20 \
  45              spatch --macro-file="$TOP_DIR/coccinelle/macros.h" --smpl-spacing --sp-file "$script" "${ARGS[@]}" ::: "${FILES[@]}" \
  46              2>"$TMPFILE" || cat "$TMPFILE"
  47     echo -e "--x-- Processed $script --x--\n"
  48 done