difffiles

#! /bin/bash

if [ $# == 0 ]; then
	wd=.files
	mkdir -p "$wd"
else
	wd="$1"
	shift
fi

commit_line="$(head -n 1 "$wd/list")"
while read line ; do
	if [ "$line" == "commit*" ] ; then
		commit_line="$tmp_commit_line"
	else
		tmp_commit_line="$line";
	fi
done < "$wd/list"

#echo commit_line = $commit_line

oldfiles="${commit_line% AND "$wd"/20*dirs}"
[ "$oldfiles" == "$commit_line" ] && oldfiles="${commit_line% AND "$wd"/21*dirs}"
[ "$oldfiles" == "$commit_line" ] && oldfiles="${commit_line% AND "$wd"/19*dirs}"
[ "$oldfiles" == "$commit_line" ] && { echo difffiles: can not separate files from dirs; exit 1; }
#echo oldfiles = "$oldfiles"
files="$(ls -1 "$wd"/20*-files "$wd"/19*-files "$wd"/21*-files 2>/dev/null | sort -r | head -n 1)"


if [ "$oldfiles" != "$files" ]; then
	diff "$oldfiles" "$files" -u0 | runcpp diffiles-internal.cpp
else
	echo изменений нет
fi