[Bioperl-l] cvs commit info msgs

[Lars G. T. Jorgensen]

--=-=-=

This script is used by Copenhagen Perl Mongers (and does just that).


--=-=-=
Content-Disposition: attachment; filename=log.pl

#!/usr/bin/perl
#-----------------------------------------------------------------------------#
# log.pl - Tool for sending mail whenever something is committed
# $Id: log.pl,v 1.1 2001/11/27 16:29:15 mil Exp $
#-----------------------------------------------------------------------------#
#
# Usage: log.pl email_from email_to info
#
#-----------------------------------------------------------------------------#

# ENABLE_USERNAME_HACK: Enable this hack if the cvs-users are mapped to
# a common unix-user on the cvs server. If all cvs-users are also unix-users
# this hack is not needed.

$ENABLE_USERNAME_HACK = 0;

#-----------------------------------------------------------------------------#

exit 0 unless @ARGV == 3;

$email_from = shift @ARGV;
$email_to   = shift @ARGV;
$info       = shift @ARGV;

@changes = split / /, $info;
$module = shift @changes;

@log_lines = ();
while (<STDIN>) {
	next if (1 .. /^$/);		# Skip header
	chomp;
	push @log_lines, $_;
	if (/^Log Message:$/) {
		$log_start_here = @log_lines;
	}
}
$msg = $log_lines[$log_start_here];

# If log-msg is '.' don't send mail. This is to enable
# developers to commit trivial stuff without mail getting
# sent. This may be an unwise thing (anything is trivial
# if you look at it a long time).

exit 0 if ($msg eq '.');

# At this point we are ready to send mail. We fork a child
# to continue with this task, so that the parent can exit
# and cvs get a chance to clear up its locks
# Also, the child takes a nap for 2 seconds to ensure cvs
# doesn't start waiting for locks and such.

exit 0 if(fork() ne 0);

sleep 2;

@changed_files=();
for $change (@changes) {
	($file,$v1,$v2) = split /,/, $change;
	$one_of_the_files=$file;
	push @changed_files,$module."/".$file unless ($v2 eq 'NONE');
}

# Getting Author-name: The nice way only works if users are real users on 
# the system. See below for an ugly hack solving this (sort of).

if (!$ENABLE_USERNAME_HACK) {

	$login = (getpwuid($<))[0];
}
else {

# Now, don't look at this, kids. It's ugly as hell, but
# unless we patch CVS there is no other (easy) way to get 
# the real Author of this commit

	$cvsroot=$ENV{'CVSROOT'};

	($serial,$user,$type,$mod,$rev,$file) =
		split (/\|/, `tail -n 50 $cvsroot/CVSROOT/history | grep "$one_of_the_files\$" | tail -n 1`);

	$login = $user;

# Ok, you can look again. It's over.
}

$subject = "$module ($one_of_the_files".(@changed_files>1?',...':'')."): $msg";

$debug = 1 if $msg =~ m/^-DEBUG/;
$nodiff = 1 if $msg =~ m/^-NODIFF/;

open (F, "| /usr/sbin/sendmail -oi -od -t");

print F <<STOP
From: CVS-$login <$email_from>
Reply-To: $email_from
To: $email_to
Subject: $subject

STOP
;
print F "DEBUG: $info\n" if $debug;
print F "-----------------\n";
print F "--     Log     --\n";
print F "-----------------\n\n";
print F join("\n",@log_lines)."\n\n";

if (@changed_files > 0 and not $nodiff) {
	print F "-----------------\n";
	print F "--   Changes   --\n";
	print F "-----------------\n\n";
	for $change (@changes) {
		($file,$v1,$v2) = split /,/, $change;
		print F "DEBUG: $file $v1 $v2\n" if $debug;
		next      if $v2 eq 'NONE'; # Skip file kills
		$v1 = '0' if $v1 eq 'NONE'; # Show new files
		$diffcmd = "cvs -q rdiff -u -r$v1 -r$v2 $module/$file";
		print F "DEBUG: Diffing: $diffcmd\n" if $debug;
		open( DIFF, "$diffcmd |");
		while(<DIFF>) { print F $_; }
		close DIFF ;
	}
}

close F;

exit 0

--=-=-=



Aaron J Mackey <ajm6q@virginia.edu> writes:

> Can I place a vote to have the diff output *after* the normal log message,
> rather than before it?
> 
> -Aaron
> 
> On Sun, 6 Oct 2002, Jason Stajich wrote:
> 
> > I've fixed the CVS mail messages so that they get proper To headers now
> > with the new dev.open-bio.org machine.  We lost a few mails back there in
> > the switchover due to some small nuances of switching to solaris from
> > linux, but all should be behaving now.
> >
> > Additionally, I've also written a little script that is executing during
> > cvs commits so that messages to bioperl-guts will include a diff log for
> > the changes (as suggested by Tim Bunce).  Let's give it a try for a month
> > or so and see if people find it helpful.
> >
> > Enjoy,
> > -jason
> >

-- 
Mvh|Regards, Lars
System administrator     | Student 
Bioinformatics Centre    | Department of Computer Science  
University of Copenhagen | University of Copenhagen
http://www.binf.ku.dk    | http://www.diku.dk
When's the last time you used duct tape on a duct? -- Larry Wall

--=-=-=--