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|
#!/usr/bin/perl
# Copyright (c) 2000
# Paul Richards. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer,
# verbatim and that no modifications are made prior to this
# point in the file.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#/
use warnings;
use strict;
use File::Basename;
use Getopt::Std;
my $PKG_DB = "/var/db/pkg";
my $PKG_DEP_FILE = "+REQUIRED_BY";
my $PKG_ADD = "/usr/sbin/pkg_add";
my $PKG_CREATE = "/usr/sbin/pkg_create";
my $PKG_DELETE = "/usr/sbin/pkg_delete -f";
my $PKG_INFO = "/usr/sbin/pkg_info -Ia";
sub error ($) {
my ($error) = @_;
print STDERR $error, "\n";
}
sub get_version($) {
my ($pkg) = @_;
if ($pkg !~ /-/) {
return("", "");
}
$pkg =~ s/(.*)\.tgz/$1/;
$pkg =~ /(.+)-(.+)/;
return ($1, $2);
}
sub get_requires($$) {
my ($pkg, $requires) = @_;
my $file = "$PKG_DB/$pkg/$PKG_DEP_FILE";
if (! -f $file) {
# Not all packages have dependencies
return 1;
}
if (! open(REQUIRES, "< $file")) {
error("Can't open $file, $!");
return 0;
}
while (<REQUIRES>) {
chomp $_;
$$requires{$_} = 1;
}
close(REQUIRES) || warn("Can't close $file, $!");
return 1;
}
sub put_requires($$) {
my ($pkg, $requires) = @_;
my $file = "$PKG_DB/$pkg/$PKG_DEP_FILE";
if (! open(REQUIRES, "> $file")) {
error("Can't open $file, $!");
return 0;
}
my $req;
for $req (keys %$requires) {
print REQUIRES $req, "\n";
}
if (! close(REQUIRES)) {
error("Can't close $file, $!");
return 0;
}
return 1;
}
#
# Start of main program
#
my @installed;
my %requires;
my $pkg = "";
my $update_pkg = "";
our($opt_a, $opt_c, $opt_v, $opt_r, $opt_n);
getopts('acnvr:');
if ($opt_a && $opt_c) {
die("Options 'a' and 'c' are mutually exclusive");
}
if ($opt_v) {
$PKG_DELETE .= " -v";
$PKG_ADD .= " -v";
$PKG_CREATE .= " -v";
}
if ($opt_n) {
$PKG_DELETE .= " -n";
$PKG_ADD .= " -n";
}
if (scalar @ARGV < 1) {
die("No package specified.\n");
} elsif (scalar @ARGV > 1) {
die("Only one package may be updated at a time.\n");
}
my $pkgfile = $ARGV[0];
if (! -f $pkgfile) {
die("Can't find package file $pkgfile\n");
}
my $newpkg = basename($pkgfile, '.tgz');
my ($pkgname, $new_version) = get_version($newpkg);
if ($opt_r && $opt_r ne "") {
my ($old_pkg, $old_version) = get_version($opt_r);
print "Updating $old_pkg package version ";
print "$old_version to $new_version\n";
$update_pkg = $opt_r;
} else {
print "Updating $pkgname packages to version $new_version\n";
$update_pkg = $pkgname;
}
# Find out what package versions are already installed
open(PKGINFO, "$PKG_INFO|") || die("Can't run $PKG_INFO, $!");
while (<PKGINFO>) {
my ($pkg) = /^(.*?)\s+.*/;
if ($pkg =~ /^$update_pkg/) {
push(@installed, $pkg);
}
}
close(PKGINFO) || die("Couldn't close pipe from $PKG_INFO, $!");
if (scalar @installed == 0) {
if (! $opt_r) {
die("There are no $pkgname packages installed.\n");
} else {
die("Package $opt_r is not installed.\n");
}
}
# For each installed package that matches get the dependencies
my $old_pkg;
for $old_pkg (@installed) {
if (! get_requires($old_pkg, \%requires)) {
die("Failed to get requires from $old_pkg\n");
}
}
# Now delete all currently installed packages
for $old_pkg (@installed) {
if (! system("$PKG_DELETE $old_pkg")) {
print "Deleted $old_pkg\n" if ($opt_v);
} else {
error("Couldn't remove package $old_pkg, $!");
}
}
if (system("$PKG_ADD $pkgfile")) {
error("Command '$PKG_ADD $newpkg' failed, $!");
if (scalar keys %requires) {
print "The following packages depended on previously\n";
print "installed versions of $pkgname.\n";
print "You need to add them to the +REQUIRES file when you\n";
print "succeed in installing $newpkg.\n";
my $req;
for $req (keys %requires) {
print $req, "\n";
}
}
} else {
put_requires($pkgname . "-" . $new_version, \%requires);
}
exit;
|
