git pre-commit hook checking syntax and for illegal words in PHP files.

pre-commit.sh

#!/bin/bash

if git rev-parse --verify HEAD >/dev/null 2>&1
then
        against=HEAD
else
	# Initial commit: diff against an empty tree object
	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi


# check PHP files for syntax errors
ERROR=""
git diff --cached --name-only $against | while read FILE
do
    if [ "${FILE}" != "${FILE%.php}" ]
    then
        if ( php -l "${FILE}" 2>&1 > /dev/null )
        then
            ERROR=".$ERROR"
        fi
    fi
done

if [ "$ERROR" != "" ]
then
    echo "Syntax errors detected, will not commit."
    exit 1
fi


# check for illegal words
ERROR=""
#git diff --cached --name-only $against | while read FILE
# Will cause problems with names containing spaces, but the above
# have problems with modyfing $ERROR…
for FILE in $( git diff --cached --name-only $against )
do
    if [ "${FILE}" != "${FILE%.php}" ]
    then
        if ( git diff $against -- "$FILE" | grep '^\+' | grep -P 'TODO|(Zend_Registry::get\(.logger.\)->log|var_dump|die)\(' )
        then
            ERROR=".$ERROR"
            echo "$FILE has illegal words (see above)."
        fi
    fi
done

if [ "$ERROR" != "" ]
then
    echo "Illegal words detected, will not commit."
    exit 1
fi
exit 1