require clang-format-12

format_code.sh

@@ -6,12 +6,12 @@ set -o pipefail
 IFS=$'\n\t'
 
 # Bash script to automatically format LCM source code (currently C and C++).
-# Requires `clang-format` utilily, which is part of the LLVM project. More
+# Requires `clang-format-12` utility, which is part of the LLVM project. More
 # information can be found here: https://clang.llvm.org/docs/ClangFormat.html
 #
-# To install `clang-format` on Ubuntu do:
+# To install `clang-format-12` on Ubuntu do:
 #
-# $ sudo apt install clang-format
+# $ sudo apt install clang-format-12
 #
 # This script does not format Java, Python, or Lua source code. At the moment,
 # it only formats C and C++ sources, i.e., *.h, *.c, *.hpp, and *.cpp. It only
@@ -69,7 +69,7 @@ function format_c_cpp_dir_r {
  done
  find "$1" -regex '.*\.\(c\|h\)\(pp\)?' \
  | eval "grep -E -v" "${exclude_pattern_opts}" \
- | xargs clang-format -i
+ | xargs clang-format-12 -i
 }
 
 # Function: check_format_c_cpp_dir_r DIR [EXCUDE_PATTERN...]
@@ -94,7 +94,7 @@ function check_format_c_cpp_dir_r {
  done
  find "$1" -regex '.*\.\(c\|h\)\(pp\)?' \
  | eval "grep -E -v" "${exclude_pattern_opts}" \
- | xargs clang-format --dry-run --Werror --ferror-limit=1 &>/dev/null
+ | xargs clang-format-12 --dry-run --Werror --ferror-limit=1 &>/dev/null
 }
 
 # Default option values
@@ -119,11 +119,11 @@ while getopts "ch" arg &>/dev/null; do
  esac
 done
 
-# Check for clang-format
-if ! command -v clang-format &>/dev/null; then
- echo "ERROR: Can not find clang-format!" 1>&2
- echo "Please add clang-format to your PATH" 1>&2
- echo "On Ubuntu, install it with: sudo apt install clang-format" 1>&2
+# Check for clang-format-12
+if ! command -v clang-format-12 &>/dev/null; then
+ echo "ERROR: Can not find clang-format-12!" 1>&2
+ echo "Please add clang-format-12 to your PATH" 1>&2
+ echo "On Ubuntu, install it with: sudo apt install clang-format-12" 1>&2
  exit 1
 fi