cpp-pre-commit.sh

#!/bin/bash

# installation: ln -s $COMPASS_ROOT/cpp-pre-commit.sh $COMPASS_ROOT/.git/hooks/pre-commit.legacy

# echo "Checking CPP/CU files..."

# OPTIONS="-A8 -t8 --lineend=linux"
OPTIONS="--style=google -s2"

ASTYLE=$(which astyle)
if [ $? -ne 0 ];
then
  echo "[!] astyle not installed. Unable to check source file format policy." >&2
  exit 1
fi

RETURN=0
git diff --cached --name-status --diff-filter=ACMR | {
# Command grouping to workaround subshell issues. When the while loop is
# finished, the subshell copy is discarded, and the original variable
# RETURN of the parent hasn't changed properly.
  while read STATUS FILE;
  do
    if [[ "$FILE" =~ \.+(c|cpp|h|cu|cuh)$ ]];
    then
      $ASTYLE $OPTIONS < $FILE > $FILE.beautified
      md5sum -b $FILE | { read stdin; echo $stdin.beautified; } | md5sum -c --status -
      if [ $? -ne 0 ];
      then
        # echo "[!] $FILE does not respect the agreed coding standards." >&2
	mv $FILE.beautified $FILE
	RETURN=1
      else
        # echo "[!] $FILE respects the agreed coding standards." >&2
        rm $FILE.beautified
      fi
    #else
    #  echo "[!] $FILE not checked" >&2
    fi
  done

  exit $RETURN
}