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#!/bin/sh
#
# Check that the code follows a consistant code style
#
 
# FIXME : Add a check for existence of indent, and return 0 if not present

INDENT_PARAMETERS="--braces-on-if-line \
	--case-brace-indentation0 \
	--case-indentation2 \
	--braces-after-struct-decl-line \
	--line-length80 \
	--no-tabs \
	--cuddle-else \
	--dont-line-up-parentheses \
	--continuation-indentation4 \
	--honour-newlines \
	--tab-size8 \
	--indent-level2"
 
echo "--Checking style--"
for file in `git-diff-index --cached --name-only HEAD --diff-filter=ACMR| grep "\.c$"` ; do
    # nf is the temporary checkout. This makes sure we check against the
    # revision in the index (and not the checked out version).
    nf=`git checkout-index --temp ${file} | cut -f 1`
    newfile=`mktemp /tmp/${nf}.XXXXXX` || exit 1
    indent ${INDENT_PARAMETERS} \
	$nf -o $newfile 2>> /dev/null
    # FIXME: Call indent twice as it tends to do line-breaks
    # different for every second call.
    indent ${INDENT_PARAMETERS} \
        $newfile 2>> /dev/null
    diff -u -p "${nf}" "${newfile}"
    r=$?
    rm "${newfile}"
    rm "${nf}"
    if [ $r != 0 ] ; then
echo "Code style error in $file, please fix before commiting."
        exit 1
    fi
done
echo "--Checking style pass--"