openwrt/CVSROOT/ciabot.pl

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#!/usr/bin/perl -w
#
# ciabot -- Mail a CVS log message to a given address, for the purposes of CIA
#
# Loosely based on cvslog by Russ Allbery <rra@stanford.edu>
# Copyright 1998 Board of Trustees, Leland Stanford Jr. University
#
# Copyright 2001, 2003, 2004 Petr Baudis <pasky@ucw.cz>
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License version 2, as published by the
# Free Software Foundation.
#
# The master location of this file is
# http://pasky.or.cz/~pasky/dev/cvs/ciabot.pl.
#
# This program is designed to run from the loginfo CVS administration file. It
# takes a log message, massaging it and mailing it to the address given below.
#
# Its record in the loginfo file should look like:
#
# ALL $CVSROOT/CVSROOT/ciabot.pl %s $USER project from_email dest_email ignore_regexp
#
# Note that the last four parameters are optional, you can alternatively change
# the defaults below in the configuration section.
#
# If it does not work, try to disable $xml_rpc in the configuration section
# below.
#
# ciabot.pl,v 1.110 2004/01/09 17:40:13 pasky
# $Id$
use strict;
use vars qw ($project $from_email $dest_email $rpc_uri $sendmail $sync_delay
$xml_rpc $ignore_regexp $alt_local_message_target);
### Configuration
# Project name (as known to CIA).
$project = 'ELinks';
# The from address in generated mails.
$from_email = 'pasky@ucw.cz';
# Mail all reports to this address.
$dest_email = 'cia@navi.cx';
# If using XML-RPC, connect to this URI.
$rpc_uri = 'http://cia.navi.cx/RPC2';
# Path to your USCD sendmail compatible binary (your mailer daemon created this
# program somewhere).
$sendmail = '/usr/sbin/sendmail';
# Number of seconds to wait for possible concurrent instances. CVS calls up
# this script for each involved directory separately and this is the sync
# delay. 5s looks as a safe value, but feel free to increase if you are running
# this on a slower (or overloaded) machine or if you have really a lot of
# directories.
$sync_delay = 5;
# This script can communicate with CIA either by mail or by an XML-RPC
# interface. The XML-RPC interface is faster and more efficient, however you
# need to have RPC::XML perl module installed, and some large CVS hosting sites
# (like Savannah or Sourceforge) might not allow outgoing HTTP connections
# while they allow outgoing mail. Also, this script will hang and eventually
# not deliver the event at all if CIA server happens to be down, which is
# unfortunately not an uncommon condition.
$xml_rpc = 0;
# You can make this bot to totally ignore events concerning the objects
# specified below. Each object is composed of <module>/<path>/<filename>,
# therefore file Manifest in root directory of module gentoo will be called
# "gentoo/Manifest", while file src/bfu/inphist.c of module elinks will be
# called "elinks/src/bfu/inphist.c". Easy, isn't it?
#
# This variable should contain regexp, against which will each object be
# checked, and if the regexp is matched, the file is ignored. Therefore ie. to
# ignore all changes in the two files above and everything concerning module
# 'admin', use:
#
#$ignore_regexp = "^(gentoo/Manifest|elinks/src/bfu/inphist.c|admin/)";
$ignore_regexp = "/Manifest\$";
# It can be useful to also grab the generated XML message by some other
# programs and ie. autogenerate some content based on it. Here you can specify
# a file to which it will be appended.
$alt_local_message_target = "";
### The code itself
use vars qw ($user $module $tag @files $logmsg $message);
my @dir; # This array stores all the affected directories
my @dirfiles; # This array is mapped to the @dir array and contains files
# affected in each directory
### Input data loading
# These arguments are from %s; first the relative path in the repository
# and then the list of files modified.
@files = split (' ', ($ARGV[0] or ''));
$dir[0] = shift @files or die "$0: no directory specified\n";
$dirfiles[0] = "@files" or die "$0: no files specified\n";
# Guess module name.
$module = $dir[0]; $module =~ s#/.*##;
# Figure out who is doing the update.
$user = $ARGV[1];
# Use the optional parameters, if supplied.
$project = $ARGV[2] if $ARGV[2];
$from_email = $ARGV[3] if $ARGV[3];
$dest_email = $ARGV[4] if $ARGV[4];
$ignore_regexp = $ARGV[5] if $ARGV[5];
# Parse stdin (what's interesting is the tag and log message)
while (<STDIN>) {
$tag = $1 if /^\s*Tag: ([a-zA-Z0-9_-]+)/;
last if /^Log Message/;
}
while (<STDIN>) {
next unless ($_ and $_ ne "\n" and $_ ne "\r\n");
s/&/&amp;/g;
s/</&lt;/g;
s/>/&gt;/g;
$logmsg .= $_;
}
### Remove to-be-ignored files
$dirfiles[0] = join (' ',
grep {
my $f = "$module/$dir[0]/$_";
$f !~ m/$ignore_regexp/;
} split (/\s+/, $dirfiles[0])
) if ($ignore_regexp);
exit unless $dirfiles[0];
### Sync between the multiple instances potentially being ran simultanously
my $sum; # _VERY_ simple hash of the log message. It is really weak, but I'm
# lazy and it's really sorta exceptional to even get more commits
# running simultanously anyway.
map { $sum += ord $_ } split(//, $logmsg);
my $syncfile; # Name of the file used for syncing
$syncfile = "/tmp/cvscia.$project.$module.$sum";
if (-f $syncfile and -w $syncfile) {
# The synchronization file for this file already exists, so we are not the
# first ones. So let's just dump what we know and exit.
open(FF, ">>$syncfile") or die "aieee... can't log, can't log! $syncfile blocked!";
print FF "$dirfiles[0]!@!$dir[0]\n";
close(FF);
exit;
} else {
# We are the first one! Thus, we'll fork, exit the original instance, and
# wait a bit with the new one. Then we'll grab what the others collected and
# go on.
# We don't need to care about permissions since all the instances of the one
# commit will obviously live as the same user.
# system("touch") in a different way
open(FF, ">>$syncfile") or die "aieee... can't log, can't log! $syncfile blocked!";
close(FF);
exit if (fork);
sleep($sync_delay);
open(FF, $syncfile);
my ($dirnum) = 1; # 0 is the one we got triggerred for
while (<FF>) {
chomp;
($dirfiles[$dirnum], $dir[$dirnum]) = split(/!@!/);
$dirnum++;
}
close(FF);
unlink($syncfile);
}
### Compose the mail message
my ($VERSION) = '$Revision$' =~ / (\d+\.\d+) /;
my $ts = time;
$message = <<EM
<message>
<generator>
<name>CIA Perl client for CVS</name>
<version>$VERSION</version>
<url>http://pasky.or.cz/~pasky/dev/cvs/ciabot.pl</url>
</generator>
<source>
<project>$project</project>
<module>$module</module>
EM
;
$message .= " <branch>$tag</branch>" if ($tag);
$message .= <<EM
</source>
<timestamp>
$ts
</timestamp>
<body>
<commit>
<author>$user</author>
<files>
EM
;
for (my $dirnum = 0; $dirnum < @dir; $dirnum++) {
map {
$_ = $dir[$dirnum] . '/' . $_;
s#^.*?/##; # weed out the module name
s/&/&amp;/g;
s/</&lt;/g;
s/>/&gt;/g;
$message .= " <file>$_</file>\n";
} split(/ /, $dirfiles[$dirnum]);
}
$message .= <<EM
</files>
<log>
$logmsg
</log>
</commit>
</body>
</message>
EM
;
### Write the message to an alt-target
if ($alt_local_message_target and open (ALT, ">>$alt_local_message_target")) {
print ALT $message;
close ALT;
}
### Send out the XML-RPC message
if ($xml_rpc) {
# We gotta be careful from now on. We silence all the warnings because
# RPC::XML code is crappy and works with undefs etc.
$^W = 0;
$RPC::XML::ERROR if (0); # silence perl's compile-time warning
require RPC::XML;
require RPC::XML::Client;
my $rpc_client = new RPC::XML::Client $rpc_uri;
my $rpc_request = RPC::XML::request->new('hub.deliver', $message);
my $rpc_response = $rpc_client->send_request($rpc_request);
unless (ref $rpc_response) {
die "XML-RPC Error: $RPC::XML::ERROR\n";
}
exit;
}
### Send out the mail
# Open our mail program
open (MAIL, "| $sendmail -t -oi -oem") or die "Cannot execute $sendmail : " . ($?>>8);
# The mail header
print MAIL <<EOM;
From: $from_email
To: $dest_email
Content-type: text/xml
Subject: DeliverXML
EOM
print MAIL $message;
# Close the mail
close MAIL;
die "$0: sendmail exit status " . ($? >> 8) . "\n" unless ($? == 0);
# vi: set sw=2: