#!/bin/sh
# AUTHOR: supperthomas

if git rev-parse --verify HEAD >/dev/null 2>&1
then
	against=HEAD
else
	# Initial commit: diff against an empty tree object
	against=$(git hash-object -t tree /dev/null)
fi

# We only filter the file name with c or cpp file.
changed_files=$(git diff-index --cached $against | \
	grep -E '[MA]	.*\.(c|cpp|cc|cxx)$' | cut -d'	' -f 2)


if which cppcheck > /dev/null; then 
	if [ -n "$changed_files" ]; then
		cppcheck --enable=warning,performance,portability --inline-suppr --error-exitcode=1 --platform=win64 --force $changed_files
		err=$?
		if [ $err -ne 0 ]; then
			echo "[rt-thread][cppcheck] we found a obvious fault, please fix the error then commit again"
			exit $err
		else
			echo "[rt-thread][cppcheck] cppcheck ok."
		fi
	fi
else
    echo "cppcheck does not exist" 
fi

# We only filter the file name with c or cpp or h file.
# astyle only astyle the added file[because of code reivewer], if you want change modify file, please use [MA]
changed_files=$(git diff-index --cached $against | \
	grep -E '[MA]	.*\.(c|cpp|h)$' | cut -d'	' -f 2)

if which astyle > /dev/null; then 
	if [ -n "$changed_files" ]; then
		astyle --style=allman --indent=spaces=4 --indent=spaces=4 --indent=spaces=4 --pad-header --pad-header --pad-header --align-pointer=name --lineend=linux --convert-tabs --verbose  $changed_files
		err=$?
		if [ $err -ne 0 ]; then
			echo "[rt-thread][astyle] we found a obvious fault, please fix the error then commit again"
			exit $err
		else
			echo "[rt-thread][astyle] astyle file ok"
		fi
	fi
else
    echo "astyle does not exist" 
fi

# We only filter the file name with c or cpp file.
changed_files=$(git diff-index --cached $against | \
	grep -E '[MA]	.*\.(c|cpp|h)$' | cut -d'	' -f 2)
# formatting check
# https://github.com/mysterywolf/formatting
# formatting cmd ref https://github.com/supperthomas/git_auto_script
if which formatting > /dev/null; then 
	if [ -n "$changed_files" ]; then
		formatting $changed_files
		echo "[rt-thread] formatting $changed_files is ok"
		git add $changed_files
		exit 0
	fi
else
    echo "formatting does not exist" 
fi

exit 0