#!/bin/sh

# This script downloads the USC SIPI image database and creates a backup git
# repo. If new URLs are added, it will get them from Data::TestImage.

CURDIR=`dirname "$0"`
TOP="$CURDIR/.."
LIB="$TOP/lib"
WORK="$CURDIR/work"
GIT_REMOTE="git@github.com:zmughal/usc-sipi-image-database-backup.git"

# all git commands will use this
export GIT_WORK_TREE="$WORK"
export GIT_DIR="$WORK/.git"

if [ ! -d "$GIT_DIR" ]; then
	mkdir -p $WORK
	git init # uses $GIT_DIR
	git remote add origin $GIT_REMOTE
else
	git clone $GIT_REMOTE $WORK
fi

# get list of URLs
perl -I$LIB -MData::TestImage::USC::SIPI -E 'say join "\n", map { $_->{url} } values Data::TestImage::DB::USC::SIPI::IMAGE_DB_VOLUME' \
	| wget -P $WORK -ci - # then download them

# show file changes
git status