#! /usr/bin/perl
# Copyright (c) 2005-2010 Marc Espie <espie@openbsd.org>
# $OpenBSD: pkg_mklocatedb,v 1.28 2010/06/30 11:33:57 espie Exp $
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

use strict;
use warnings;

use OpenBSD::PackageInfo;
use OpenBSD::PackingList;
use OpenBSD::Getopt;
use OpenBSD::Error;
use OpenBSD::Paths;
use OpenBSD::AddCreateDelete;
use File::Path;

package OpenBSD::PackingElement;
sub print_name {}

package OpenBSD::PackingElement::FileObject;
sub print_name
{
	my ($self, $fh, $pkgname) = @_;
	print $fh $pkgname, ":", $self->fullname, "\n";
}

package main;

our ($opt_a, $opt_n, $opt_q, $opt_s, $opt_x, $opt_r, $opt_p, $opt_P, $opt_d);

sub info
{
	my $plist = shift;
	my $r;
	if ($opt_a) {
		$r = $plist->fullpkgpath.":".$plist->pkgname;
	} elsif ($opt_P) {
		$r = $plist->fullpkgpath;
	} else {
		$r = $plist->pkgname;
	}
	print STDERR "$r\n" unless $opt_q;
	return $r;
}

sub tag
{
	my ($dir, $set, $rev) = @_;
	my $r;
	if ($opt_a) {
		$r = "$dir/$set:$set$rev";
	} elsif ($opt_P) {
		$r = "$dir/$set";
	} else {
		$r = "$set$rev";
	}
	print STDERR "$r\n" unless $opt_q;
	return $r;
}

my $state = OpenBSD::AddCreateDelete::State->new("pkg_mklocatedb");
$state->handle_options('ad:nqs:x:r:p:P', 
    '[-anPq] [-d repository] [-p portsdir] [-r release] [-s src] ',
    '[-x X11src] [pkg-name [...]]');

my $fh;
my $MKLOCATEDB = OpenBSD::Paths->mklocatedb;

if ($opt_n or -t STDOUT) {
	$fh = \*STDOUT;
} else {
	open $fh, "|-", $MKLOCATEDB, $MKLOCATEDB or 
	    $state->fatal("couldn't open pipe: #1", $!);
}
if ($opt_s || $opt_x) {
	my $cmd = OpenBSD::Paths->uname." -mr";
	my ($rev, $arch) = split(/\s+/o, `$cmd`);
	chomp $arch;
	$rev =~ s/\.//;
	if ($opt_s) {
		my $dir = "$opt_s/distrib/sets/lists";
		for my $set (qw(base comp etc game man misc)) {
			my $tag = tag('src', $set, $rev);
			for my $f ("$dir/$set/mi", "$dir/$set/md.$arch") {
				open my $l, '<', $f or next;
				while (my $e = <$l>) {
					chomp $e;
					$e =~ s/^\.//;
					print $fh "$tag:$e\n";
				}
			}
		}
	}
	if ($opt_x) {
		my $dir = "$opt_x/distrib/sets/lists";
		for my $set (qw(xbase xetc xfont xserv xshare)) {
			my $tag = tag('XF4', $set, $rev);
			for my $f ("$dir/$set/mi", "$dir/$set/md.$arch") {
				open my $l, '<', $f or next;
				while (my $e = <$l>) {
					chomp $e;
					$e =~ s/^\.//;
					print $fh "$tag:$e\n";
				}
			}
		}
	}
}

if ($opt_r) {
	require OpenBSD::Ustar;

	opendir(my $dir, $opt_r) or next;
	while (my $e = readdir $dir) {
		if ($e =~ m/^(\w+\d\d)\.tgz$/o) {
			my $set = $1;
			open my $arc, '-|', OpenBSD::Paths->gzip, '-c', '-d', "--", "$opt_r/$e";
			my $u = OpenBSD::Ustar->new($arc, '/');
			while (my $f = $u->next) {
				my $name = $f->{name};
				$name =~ s/^\.//o;
				print $fh "$set:$name\n";
			}
			close $arc;
		}
	}
	closedir($dir);
}

if ($opt_p) {
	my $make = $ENV{MAKE} || 'make';
	open my $in, "cd $opt_p && $make print-plist-all |";
	my $done = 0;
	while (!$done) {
		my $plist = OpenBSD::PackingList->read($in,
		    sub {
			my ($fh, $cont) = @_;
			my $_;
			while (<$fh>) {
				return if m/^\=\=\=\> /o;
				next unless m/^\@(?:bin|cwd|name|info|man|file|lib|shell|comment\s+subdir\=)\b/o || !m/^\@/o;
				&$cont($_);
			}
			$done = 1;
		    });
		if (defined $plist && defined $plist->pkgname) {
			$plist->print_name($fh, info($plist));
		}
	}
	close($in);
}

elsif ($opt_d) {
	require File::Find;
	no warnings qw(once);
	$state->fatal("Bad argument: #1 is not a directory", $opt_d)
	    unless -d $opt_d;
	File::Find::find(
		sub {
		    return unless -f $_;
		    my $plist = $state->repo->grabPlist($File::Find::name);
		    return unless defined $plist;
		    $plist->print_name($fh, info($plist));
		}, $opt_d);
} elsif (@ARGV == 0) {
	$state->progress->for_list("Scanning installation",
	    [installed_packages()], sub {
	    	my $pkgname = shift;
		my $plist = OpenBSD::PackingList->from_installation($pkgname);
		return unless defined $plist;
		$plist->print_name($fh, info($plist));
	    });
} else {
	$state->progress->for_list("Scanning packages", \@ARGV,
	    sub {
	    	my $pkgname = shift;
		my $plist = $state->repo->grabPlist($pkgname);
		next unless $plist;
		$plist->print_name($fh, info($plist));
	    });
}