eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}'
    & eval 'exec perl -S $0 $argv:q'
    if 0;

# check_build_logs,v 4.16 2000/10/31 20:22:51 levine Exp
#
# Reviews build logs and reports problems, via stdout or mail.

use strict;

my $usage = "$0 [-l log directory] [-m mail recipient(s)] " .
            "[-p purify output] [-u URL prefix]\n";

####
#### Configuration parameters.
####
my $subject = 'ACE+TAO build results';
my $find = -e '/pkg/gnu/bin/find'  ?  '/pkg/gnu/bin/find'  :  'find';
my $mail = "mail -s '$subject'";

my $ostype = $ENV{'OSTYPE'}  ||  `/bin/uname -s`;
if ("$ostype" =~ /(solaris)|(SunOS)/i) {
  #### $mail = "/pkg/mh/bin/mhmail -subject '$subject'";
  $mail = "/usr/bin/mailx -s '$subject'";
}

$ENV{'LD_LIBRARY_PATH'} = '/opt/SUNWspro_5.0/dt/lib:/usr/openwin/lib:' .
  '/usr/lib:/project/danzon/pkg/egcs/lib:' unless $ENV{'LD_LIBRARY_PATH'};
$ENV{'TMPDIR'} = '/tmp';
$ENV{'USER'} = $ENV{'LOGNAME'};

my $log_directory = '/project/danzontmp/levine/build-logs/';
my $mail_recipients = '';
my $purify = '';
my $urlprefix = '';

####
#### Process command line args.
####
while ($#ARGV >= $[) {
  if ($ARGV[0] eq '-l') {
    if ($ARGV[1] =~ /^[^-]/) {
      $log_directory = $ARGV[1];
      shift;
    } else {
      print STDERR "$0:  must provide argument for -l option\n";
      die $usage;
    }
  } elsif ($ARGV[0] eq '-m') {
    if ($ARGV[1] =~ /^[\w@\.]+$/) {
      $mail_recipients = $ARGV[1];
      shift;
    } else {
      print STDERR "$0:  must provide argument for -m option\n";
      die $usage;
    }
  } elsif ($ARGV[0] eq '-p') {
    if ($ARGV[1] !~ /^-/) {
      $purify = $ARGV[1];
      shift;
    } else {
      print STDERR "$0:  must provide argument for -p option\n";
      die $usage;
    }
  } elsif ($ARGV[0] eq '-u') {
    if ($ARGV[1] !~ /^-/) {
      $urlprefix = $ARGV[1];
      shift;
    } else {
      print STDERR "$0:  must provide argument for -u option\n";
      die $usage;
    }
  } elsif ($ARGV[0] eq '-?') {
    print "$usage";
    exit;
  } else {
    print "$0: unknown arg: $ARGV[0]\n";
    print "$usage";
    exit 1;
  }
  shift;
}


####
#### Find the log files.
####
chdir $log_directory  ||
  die "$0: unable to cd to \"$log_directory\"\n";

(my $log_files = (`$find . -name '*.log' -daystart -ctime 0 -print | sort`)) =~
  tr [\n] [ ];
$log_files =~ s%\./(make)%$1%g;  #### Remove leading ./ from each filename.


####
#### Grep the log files for problems.
####
my $line_count = 0;
my @output = ();
open (EGREP, "egrep -n \'Error|errors|[^a]Stop|No rule to make|\(undefined symb\)|[Ww]arn|not exist|core dumped|: #[0-9]|cxx:\' $log_files /dev/null |")  ||
  die "$0: unable to open egrep\n";
while (<EGREP>) {
  push @output, $_ unless /calls, 0 errors$/  ||
                          /Found non-pic R_SPARC/  ||
                          /Purify engine: Error: .* Ignoring it\.$/;
  ++$line_count;
  last if $line_count > 2000;
}
close EGREP;


####
#### Check a Purify output file for bad things.
####
if ("$purify") {
  my $found_anomaly = 0;

  open (PURIFY, "$purify")  ||
    die "$0: unable to open $purify\n";
  while (<PURIFY>) {
    if (/^[A-Z][A-Z][A-Z]:/) {
      unless ($found_anomaly) {
        push @output, "\n";
        push @output, "Purify detected anomalies!!!!\n";
        push @output, "See $purify:\n";
        $found_anomaly = 1;
      }

      push @output, $_;
    }
  }
  close PURIFY;
}


####
#### Produce output, if there were any problems.
####
if ($#output == -1) {
  push @output, "No problems to report.\n";
}

{
  my $tmp_file;

  if ("$mail_recipients") {
    $tmp_file = "/tmp/check_build_logs.$$";
    open (MAIL, "> $tmp_file")  ||
      die "$0: unable to open $tmp_file\n";
    select MAIL;
  }

  print "This is an automatically generated message.\n\n"
    if "$mail_recipients";
  print "Log files are in $log_directory\n";

  if ("$urlprefix") {
    #### Print URL for each log file, using $urlprefix.
    print "They are also available at:\n";

    foreach my $log (split /\s+/, $log_files) {
      print "  $urlprefix$log\n";
    }
  }

  print "\n";
  print @output;

  if ("$mail_recipients") {
    close MAIL;
    system ("$mail $mail_recipients < $tmp_file")  &&
      warn "$0: $mail $mail_recipients failed with status $?\n";
    unlink $tmp_file;
  }
}