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|
#! /usr/bin/perl -w
# Grep debian testing excuses file.
#
# Copyright 2002 Joey Hess <joeyh@debian.org>
# Small mods Copyright 2002 Julian Gilbey <jdg@debian.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
use 5.006;
use strict;
use File::Basename;
my $progname = basename($0);
my $modified_conf_msg;
my $url='http://ftp-master.debian.org/testing/update_excuses.html.gz';
# No longer use these - see bug#309802
my $cachedir = $ENV{'HOME'}."/.devscripts_cache/";
my $cachefile = $cachedir . basename($url);
unlink $cachefile if -f $cachefile;
sub usage {
print <<"EOF";
Usage: $progname [options] [<maintainer>|<package>]
Grep the Debian update_excuses file to find out about the packages
of <maintainer> or <package>. If neither are given, use the configuration
file setting or the environment variable DEBFULLNAME to determine the
maintainer name.
Options:
--no-conf, --noconf Don\'t read devscripts config files;
must be the first option given
--help Show this help
--version Give version information
Default settings modified by devscripts configuration files:
$modified_conf_msg
EOF
}
my $version = <<"EOF";
This is $progname, from the Debian devscripts package, version ###VERSION###
This code is copyright 2002 by Joey Hess <joeyh\@debian.org>,
and modifications are copyright 2002 by Julian Gilbey <jdg\@debian.org>
This program comes with ABSOLUTELY NO WARRANTY.
You are free to redistribute this code under the terms of the
GNU General Public License, version 2 or later.
EOF
# Now start by reading configuration files and then command line
# The next stuff is boilerplate
my $string;
if (@ARGV and $ARGV[0] =~ /^--no-?conf$/) {
$modified_conf_msg = " (no configuration files read)";
shift;
} else {
my @config_files = ('/etc/devscripts.conf', '~/.devscripts');
my %config_vars = (
'GREP_EXCUSES_MAINTAINER' => '',
);
my %config_default = %config_vars;
my $shell_cmd;
# Set defaults
foreach my $var (keys %config_vars) {
$shell_cmd .= "$var='$config_vars{$var}';\n";
}
$shell_cmd .= 'for file in ' . join(" ",@config_files) . "; do\n";
$shell_cmd .= '[ -f $file ] && . $file; done;' . "\n";
# Read back values
foreach my $var (keys %config_vars) { $shell_cmd .= "echo \$$var;\n" }
my $shell_out = `/bin/bash -c '$shell_cmd'`;
@config_vars{keys %config_vars} = split /\n/, $shell_out, -1;
foreach my $var (sort keys %config_vars) {
if ($config_vars{$var} ne $config_default{$var}) {
$modified_conf_msg .= " $var=$config_vars{$var}\n";
}
}
$modified_conf_msg ||= " (none)\n";
chomp $modified_conf_msg;
$string = $config_vars{'GREP_EXCUSES_MAINTAINER'};
}
if (! $string and exists $ENV{'DEBFULLNAME'}) {
$string = $ENV{'DEBFULLNAME'};
}
while (@ARGV and $ARGV[0] =~ /^-/) {
if ($ARGV[0] eq '--help') { usage(); exit 0; }
if ($ARGV[0] eq '--version') { print $version; exit 0; }
if ($ARGV[0] =~ /^--no-?conf$/) {
die "$progname: $ARGV[0] is only acceptable as the first command-line option!\n";
}
die "$progname: unrecognised option $ARGV[0]; try $progname --help for help\n";
}
if (@ARGV) {
$string=shift;
}
if ($string eq '') {
die "$progname: no maintainer or package specified!\nTry $progname --help for help.\n";
}
if (@ARGV) {
die "$progname: too many arguments! Try $progname --help for help.\n";
}
my $hostname = `hostname --fqdn`;
chomp $hostname;
if (system("command -v wget >/dev/null 2>&1") != 0) {
die "$progname: this program requires the wget package to be installed\n";
}
open EXCUSES, "wget -q -O - $url | zcat |" or
die "$progname: wget | zcat failed: $!\n";
my $item='';
my $mainlist=0;
my $sublist=0;
while (<EXCUSES>) {
if (! $mainlist) {
# Have we found the start of the actual content?
next unless /^\s*<ul>\s*$/;
$mainlist=1;
next;
}
# Have we reached the end?
if (! $sublist and m%</ul>%) {
$mainlist=0;
next;
}
next unless $mainlist;
# Strip hyperlinks
my $saveline=$_;
s%<a\s[^>]*>%%g;
s%</a>%%g;
s%>%>%g;
s%<%<%g;
# New item?
if (! $sublist and /^\s*<li>/) {
s%<li>%%;
$item = $_;
}
elsif (! $sublist and /^\s*<ul>/) {
$sublist=1;
}
elsif ($sublist and m%</ul>%) {
$sublist=0;
# Did the last item match?
if ($item=~/^-?\Q$string\E\s/ or
$item=~/^\s*Maintainer:\s[^\n]*\Q$string\E[^\n]*$/m) {
# In case there are embedded <li> tags
$item =~ s%<li>%\n %g;
print $item;
}
}
elsif ($sublist and /^\s*<li>/) {
s%<li>% %;
$item .= $_;
}
else {
warn "$progname: unrecognised line in update_excuses (line $.):\n$saveline";
}
}
close EXCUSES or die "$progname: read/zcat failed: $!\n";
exit 0;
|
