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#!/usr/bin/perl
# postinst script for pybit-client
# FIXME: port to use JSON as that is safe in a post-install script.
# see: dh_installdeb(1)
use strict;
use warnings;
use JSON;
use Debconf::Client::ConfModule qw(:all);
use vars qw/ $cfgfile %cfg @lines $json $json_hash $json_text %mapping /;
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <postinst> `abort-remove'
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
$cfgfile = '/etc/pybit/client/client.conf';
version('2.0');
%cfg=();
%mapping = ("clientid" => 'clientid',
'use_lvm' => 'lvmsnapshot',
'buildroot' => 'buildroot',
'host' => 'rabbitmqhost',
'dput_dest' => 'dputdest',
'host_arch' => 'hostarch',
'distribution' => 'distribution',
'pkg_format' => 'pkgformat',
'port' => 'rabbitport',
'userid' => 'rabbituser',
'vhost' => 'rabbitvhost',
'dput' => 'dput_opt'
);
if ($ARGV[0] eq 'configure' or $ARGV[0] eq 'reconfigure') {
if (-r "$cfgfile") {
# read the edited values
&ScanClientConfFile ($cfgfile);
# set selected ones to update the debconf values.
foreach my $cfgvar ('clientid', 'use_lvm', 'host', 'buildroot', 'dput_dest', 'distribution') {
if (defined $cfg{$cfgvar}) {
set("pybit-client/$mapping{$cfgvar}", $cfg{$cfgvar});
fset("pybit-client/$cfgvar", 'seen', 'true');
}
}
}
$cfg{'clientid'} = scalar get('pybit-client/clientid');
$cfg{'host'} = scalar get('pybit-client/rabbitmqhost');
$cfg{'dput_dest'} = scalar get('pybit-client/dputdest');
$cfg{'buildroot'} = scalar get('pybit-client/buildroot');
$cfg{'use_lvm'} = scalar get('pybit-client/lvmsnapshot');
foreach my $key (keys %cfg) {
my $val = $cfg{$key};
chomp($val);
$val =~ s/"//g;
$val =~ s/'//g;
$val =~ s/,//g;
$cfg{$key} = $val;
}
if (-r "$cfgfile") {
open(CONF, "$cfgfile") or die;
} else {
open(CONF, "/usr/share/pybitclient/client.conf") or die;
}
@lines=<CONF>;
close (CONF);
$json = new JSON;
$json = $json->utf8(1);
$json = $json->pretty(1);
$json = $json->canonical(1);
$json_text = join(' ', @lines);
$json_hash = $json->decode($json_text);
$$json_hash{'clientid'} = $cfg{'clientid'};
$$json_hash{'host'} = $cfg{'host'};
$$json_hash{'dput_dest'} = $cfg{'dput_dest'};
$$json_hash{'buildroot'} = $cfg{'buildroot'};
$$json_hash{'use_lvm'} = ($cfg{'use_lvm'} eq "true") ? JSON::true : JSON::false;
if (not defined $$json_hash{'distribution'} or $$json_hash{'distribution'} !~ /\w/) {
my $distro = `dpkg-vendor --query vendor`;
chomp ($distro);
$$json_hash{'distribution'} = $distro;
}
if (not defined $$json_hash{'pkg_format'} or $$json_hash{'pkg_format'} !~ /\w/) {
$$json_hash{'pkg_format'} = "deb";
}
if (not defined $$json_hash{'host_arch'} or $$json_hash{'host_arch'} !~ /\w/) {
my $host = `dpkg-architecture -qDEB_BUILD_ARCH 2>/dev/null`;
chomp ($host);
$$json_hash{'host_arch'} = $host;
}
$$json_hash{'debconf'} = JSON::true;
open (CONF, ">$cfgfile") or die;
print CONF $json->encode ($json_hash);
close (CONF);
}
# Subroutine to scan client configuration file
# Configfile to parse is the argument to the subroutine
sub ScanClientConfFile {
if ( ! -r "$_[0]" ) { return; };
open(CONFFILE,"<$_[0]") || die "Could not open $_[0]";
while (<CONFFILE>) {
foreach my $key (sort keys %mapping) {
chomp;
if (s#^\s*"$key"\s?:\s?(.*),?$#$1#) {
chomp($cfg{$key} = $_) if /\w/;
}
}
}
foreach my $key (keys %cfg) {
my $val = $cfg{$key};
$val =~ s/"//g;
$val =~ s/'//g;
$val =~ s/,//g;
$cfg{$key} = $val;
}
close CONFFILE;
}
my $dh_commands="set -- @ARGV\\n" . << 'EOF';
set -e
#DEBHELPER#
EOF
system ($dh_commands) / 256 == 0
or die "Problem with shell scripts: $!";
exit 0
|
