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#!/usr/bin/perl -wT
use Rcs;
use strict;
use English;
use Data::Dumper;
use File::Basename;
$ENV{'PATH'} = '/bin:/usr/bin';
delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
my $STATEFILEPREFIX='/var/spool/rlog-parse/state-';
my $ENVELOPE_FROM = 'XXXXXXXcommit.noreply.org';
my $HEADER_FROM = 'XXXXXXXcommit.noreply.org';
my $BOT_ADDRESS = 'XXXXXXXcommit.noreply.org';
my $SENDMAIL = '/usr/sbin/sendmail';
#my $PROJECT = 'oftc';
#my $PROJECT = 'weasel';
sub clean_filename($) {
my ($file) = @_;
my $b = basename($file);
$b =~ m/^([a-z.,-]+)$/;
my $f = $1;
die ("Evil filename $file") unless $f;
return $f
};
sub make_statefile($) {
my ($file) = @_;
return $STATEFILEPREFIX.clean_filename($file);
};
sub read_state($) {
my ($file) = @_;
my $sf = make_statefile($file);
my $res = open(F, "< $sf");
if ($res) {
my $rev = <F>;
close(F);
chomp $rev;
return $rev;
} else {
return undef;
};
};
sub update_state($$) {
my ($file, $rev) = @_;
my $sf = make_statefile($file);
open(F, "> $sf") or die ("Cannot write to $sf: $!\n");
print F $rev,"\n";
close(F);
};
sub handle_rev($$$$) {
my ($file, $rcs, $comments, $rev) = @_;
update_state($file, $rev);
my $author = $rcs->author($rev);
my $comment = $comments->{$rev};
my $base = basename($file);
$base =~ s/,v//;
#open(MAIL, "|cat") or
open(MAIL, "|$SENDMAIL -t -oi -f $ENVELOPE_FROM") or
die ("Cannot exec sendmail: $!\n");
print MAIL "From: $HEADER_FROM\n";
print MAIL "To: $BOT_ADDRESS\n";
print MAIL "Subject: Announce $PROJECT\n";
print MAIL "Precedence: junk\n";
print MAIL "\n";
print MAIL "$author committed r$rev to $base: $comment\n";
close(MAIL);
};
die ("Usage: $PROGRAM_NAME <rcsfile>\n") unless (scalar @ARGV == 1);
my $file = $ARGV[0];
my $rcs = Rcs->new($file);
my %comments = $rcs->comments;
my @revisions = reverse $rcs->revisions;
my $old_rev = read_state($file);
if (defined $old_rev) {
my $rev;
while (defined($rev = shift @revisions)) {
last if $rev eq $old_rev;
};
die ("Apparently did not find $old_rev in revisions\n") unless (defined $rev);
} else {
print STDERR "First ivocation. Not sending mails but creating state file\n";
update_state($file, $revisions[-1]);
exit (0);
};
for my $r (@revisions) {
handle_rev($file, $rcs, \%comments, $r);
};
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