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#!/usr/bin/env bash
###########################################################################
# prepare-commit.sh
# ---------------------
# Date : August 2008
# Copyright : (C) 2008 by Juergen E. Fischer
# Email : jef at norbit dot de
###########################################################################
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
###########################################################################
TOPLEVEL=$(git rev-parse --show-toplevel)
PATH=$TOPLEVEL/scripts:$PATH
cd $TOPLEVEL
# GNU prefix command for mac os support (gsed, gsplit)
GP=
if [[ "$OSTYPE" =~ darwin* ]]; then
GP=g
fi
if ! type -p astyle.sh >/dev/null; then
echo astyle.sh not found
exit 1
fi
if ! type -p colordiff >/dev/null; then
colordiff()
{
cat "$@"
}
fi
if [ "$1" = "-c" ]; then
echo "Cleaning..."
remove_temporary_files.sh
fi
set -e
# determine changed files
MODIFIED=$(git status --porcelain| ${GP}sed -ne "s/^ *[MA] *//p" | sort -u)
#MODIFIED=$(find src -name "*.h")
if [ -z "$MODIFIED" ]; then
echo nothing was modified
exit 0
fi
# save original changes
REV=$(git log -n1 --pretty=%H)
git diff >sha-$REV.diff
ASTYLEDIFF=astyle.$REV.diff
>$ASTYLEDIFF
# reformat
i=0
N=$(echo $MODIFIED | wc -w)
for f in $MODIFIED; do
(( i++ )) || true
case "$f" in
thirdparty/*)
echo $f skipped
continue
;;
*.cpp|*.c|*.h|*.cxx|*.hxx|*.c++|*.h++|*.cc|*.hh|*.C|*.H|*.sip|*.py)
;;
*)
continue
;;
esac
m=$f.$REV.prepare
cp $f $m
ASTYLEPROGRESS=" [$i/$N]" astyle.sh $f
if diff -u $m $f >>$ASTYLEDIFF; then
# no difference found
rm $m
fi
done
if [ -s "$ASTYLEDIFF" ]; then
if tty -s; then
# review astyle changes
colordiff <$ASTYLEDIFF | less -r
else
echo "Files changed (see $ASTYLEDIFF)"
fi
exit 1
else
rm $ASTYLEDIFF
fi
# If there are whitespace errors, print the offending file names and fail.
exec git diff-index --check --cached HEAD --
exit 0
# vim: set ts=8 noexpandtab :
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