#!/bin/bash

# svngrep - recursive grep safe for SVN trees (and quilt)
# Copyright (C) 2008 Daniel Jacobowitz <dan@codesourcery.com>

# 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 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

args=()
files=()
next_opt=false
next_file=false
need_pattern=true
for arg; do
    if $next_file; then
	if $need_pattern; then
	    args=("${args[@]}" "$arg")
	    need_pattern=false
	else
	    files=("${files[@]}" "$arg")
	fi
    elif $next_opt; then
	next_opt=false
	args=("${args[@]}" "$arg")
    else
	case "$arg" in
	    -e|-f)
		need_pattern=false
		next_opt=true
		args=("${args[@]}" "$arg")
		;;
	    -m|-A|-B|-C|-D|-d)
		next_opt=true
		args=("${args[@]}" "$arg")
		;;
	    -r)
		# Just consume -r.
		;;
	    --)
		args=("${args[@]}" "$arg")
		next_file=true
		;;
	    -*)
		args=("${args[@]}" "$arg")
		;;
	    *)
		if $need_pattern; then
		    args=("${args[@]}" "$arg")
		    need_pattern=false
		else
		    files=("${files[@]}" "$arg")
		fi
		next_file=true
		;;
	esac
    fi
done

find "${files[@]}" -name .svn -prune \
  -o -name .pc -prune -o -name \*~ -prune \
  -o -type f -print0 | xargs -0 grep "${args[@]}"