#!/bin/bash
#
# Something along the lines of qiv's .qiv-save and .qiv-trash for pqiv.
#
# Copyright (C) 2010 W. Trevor King <wking@drexel.edu>
#
# 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.
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
#
# usage: cache-file.sh TAG FILE

PREFIX=".cache-"
TAG="$1"
FILE="$2"

if [ ! -e "$FILE" ]; then
	echo "'$FILE' doesn't exist" >&2
	exit 1
fi
FILE_DIR=$(dirname $FILE)
if [ ! -d "$FILE_DIR" ]; then
	echo "'$FILE' not in a directory" >&2
	exit 1
fi

CACHE_DIR="$FILE_DIR/$PREFIX$TAG"

if [ ! -d "$CACHE_DIR" ]; then
	if [ -e "$CACHE_DIR" ]; then
		echo "'$CACHE_DIR' exists, but is not a directory"
		exit 1
	fi
	mkdir "$CACHE_DIR"
fi

mv "$FILE" "$CACHE_DIR"

echo "moved '$FILE' to '$CACHE_DIR'"