#!/bin/bash

# Copyright (c) 2005 Peter Palfrader <peter@palfrader.org>

# WARNING: spaces in filenames/paths considered harmful.

export SCRIPTVARS=/org/backports.org/dak/config/backports.org/vars
. $SCRIPTVARS

cd ${configdir}

for suite in etch lenny; do
    source="${ftpdir}/dists/${suite}-backports"
    target="${base}/buildd/dists/${suite}-backports"

    if ! [ -d "$source" ]; then
	    echo "Source '$source' does not exist or is not a directory or we can't acess it." >&2
	    exit 1;
    fi
    if ! [ -d "$target" ]; then
	    echo "Target '$target' does not exist or is not a directory or we can't acess it." >&2
	    exit 1;
    fi

    for file in $( cd "$source" && find . -name 'Packages.gz' -o -name 'Packages' -o -name 'Sources.gz' -o -name 'Sources' -o -name 'Release' ); do
	    basedir=$(dirname "$file")
	    basename=$(basename "$file")
	    targetdir="$target/$basedir"
	    [ -d "$targetdir" ] || mkdir -p "$targetdir"
	    if [ "$basename" = "Release" ]; then
		    cp -a "$source/$file" "$target/$file"
		    echo 'NotAutomatic: yes' >> "$target/$file"
	    else
		    cp -a "$source/$file" "$target/$file"
	    fi
    done

# postprocess top level Release file
    if ! [ -e "$target/Release" ]; then
	    echo "Did not find $target/Release after copying stuff.  something's fishy" >&2
	    exit 1;
    fi

    cd "$target"

    perl -a -p -i -e '
	if (substr($_,0,1) eq " ") {
		if ($in_sha1 || $in_md5) {
			($hash, $size, $file) = @F;
			$_="",next unless -f $file;

			(undef,undef,undef,undef,undef,undef,undef,$filesize,
			 undef,undef,undef,undef,undef) = stat($file);
			if ($size != $filesize) {
				if ($in_sha1) {
					$hash = `sha1sum "$file" | cut -d " " -f 1`
				} else {
					$hash = `md5sum "$file" | cut -d " " -f 1`
				};
				chomp $hash;
				$_ = sprintf(" %s %16d %s\n", $hash, $filesize, $file);
			}
		}
	} else {
		$in_sha1 = ($F[0] eq "SHA1:") ? 1 : 0;
		$in_md5  = ($F[0] eq "MD5Sum:") ? 1 : 0;
	}
' Release

    rm -f ${base}/buildd/dists/${suite}-backports/Release.gpg
    gpg --no-options --batch --no-tty --secret-keyring ${base}/s3kr1t/dot-gnupg/secring.gpg --output "Release.gpg" --armor --detach-sign "Release"
done