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path: root/Tools/scripts/bump_revision.pl
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#!/usr/bin/perl -w

# $FreeBSD$

#
# MAINTAINER=	edwin@freebsd.org
#

use Getopt::Std;
use strict;
use Cwd;
use Data::Dumper;
use File::Basename;

use vars qw/$opt_c $opt_n $opt_i $opt_u/;

sub usage {
	print <<EOF;
Usage: $0 [options] [<category>/]<portname>

    -c              - Just check
    -n              - No tmpdir, just use dirname(INDEX)
    -u <username>   - Your freebsd.org username. Defaults to \$ENV{USER}.
    -i <filename>   - Use this for INDEX name. Defaults to /usr/ports/INDEX.

Questions, suggestions etc -> edwin\@freebsd.org
EOF
	exit 1;
}

sub bumpMakefile {

    my ($p) = @_; 

    my $makefile = "$p/Makefile";
    my $fin;
	unless(open($fin, $makefile)) {
	    print "-- Cannot open Makefile of $p, ignored.\n";
	    next;
	}
	my @lines = <$fin>;
	close($fin) or die "Can't close $makefile b/c $!";
	chomp(@lines);

	my $revision = 1;

	foreach my $line (@lines) {
	    last if ($line =~ /^MAINTAINER/);
	    $revision += $1 if ($line =~ /PORTREVISION\??=[ \t]*(\d+)$/);
	}

	my $printedrev = 0;
	open(my $fout, '>', "$makefile");
	foreach my $line (@lines) {
	    if (!$printedrev) {
		if ($line =~ /^CATEGORIES??=/ || $line =~ /^PORTEPOCH??=/) {
		    print $fout "PORTREVISION=	$revision\n";
		    $printedrev = 1;
		    # Fall through!
		}
		if ($line =~ /^PORTREVISION\?=/) {
		    print $fout "PORTREVISION?=	$revision\n";
		    $printedrev = 1;
		    next;
		}
		if ($line =~ /^PORTREVISION=/) {
		    print $fout "PORTREVISION=	$revision\n";
		    $printedrev = 1;
		    next;
		}
	    }
	    print $fout "$line\n";
	}
	close($fout) or die "Can't close $makefile b/c $!";
}

my $INDEX = "/usr/ports/INDEX";
my $USER = $ENV{USER};
{
    $opt_i = "";
    $opt_u = "";
    getopts("cni:u:");
    $INDEX = $opt_i if ($opt_i);
    $USER = $opt_u if ($opt_u);

    die "$INDEX doesn't seem to exist. Please check the value supplied with -i or use -i." unless(-f $INDEX);
}
my $PORT = $ARGV[0];
usage() unless($PORT);

my $CVSROOT = $ENV{CVSROOT} // ':ext:$USER\@pcvs.freebsd.org:/home/pcvs';

#
# Read the index, save some interesting keys
#
my %index = ();
{
    print "Reading $INDEX\n";
    open(my $fin, '<', "$INDEX") or die "Cannot open $INDEX for reading.";
    my @lines = <$fin>;
    chomp(@lines);
    close($fin);

    foreach my $line (@lines) {
	my @a = split(/\|/, $line);
	my @b = split(/\//, $a[1]);

	my $port = $b[-2]."/".$b[-1];

	$index{$port}{portname} = $b[-1];
	$index{$port}{portnameversion} = $a[0];
	$index{$port}{portdir} = $a[1];
	$index{$port}{comment} = $a[3];
	$index{$port}{deps} = ();

	if ($a[8]) {
	    @b = split(" ", $a[8]);
	    foreach my $b (@b) {
		$index{$port}{deps}{$b} = 1;
	    }
	}
    }
    my @k = keys(%index);
    print "- Processed ", $#k+1, " entries.\n";
}

#
# See if the port does really exists.
# If specified as category/portname, that should be enough.
# If specified as portname, check all indexes for existence or duplicates.
#
unless (defined $index{$PORT}) {
    my $count = 0;
    my $n = "";
    foreach my $p (keys(%index)) {
	if ($p =~ /\/$PORT$/) {
	    $n .= " " if ($n);
	    $n .= $p;
	    $count++;
	}
    }
    if ($count == 0) {
	die "Cannot find ${PORT} in ${INDEX}.";
    } elsif ($count == 1) {
	$PORT = $n;
    } else {
	die "Found ${PORT} more than once in ${INDEX}: $n. Try category/portname.";
    }
}

my $PORTNAMEVERSION = $index{$PORT}{portnameversion};
print "Found $PORT as $PORTNAMEVERSION\n";

#
# Figure out all the ports depending on this one.
#
my %DEPPORTS = ();
my $ports = "";
{
    print "Searching for ports depending on $PORT\n";
    foreach my $p (keys(%index)) {
	if (defined $index{$p}{deps}{$PORTNAMEVERSION}) {
	    $DEPPORTS{$p} = 1;
	    $ports .= " " if ($ports);
	    $ports .= "ports/$p";
	}
    }
    my @k = keys(%DEPPORTS);
    print "- Found ", $#k+1, " ports depending on it.\n";
}

#
# Create a temp directory and cvs checkout the ports
# (don't do error checking, too complicated right now)
#

my $TMPDIR = File::Basename::dirname($INDEX);
unless ($opt_n) {
  $TMPDIR = getcwd() . "/.tmpdir.$$";
  mkdir($TMPDIR, 0755);
  chdir($TMPDIR);
  system "cvs -d $CVSROOT co -T $ports";
  chdir($TMPDIR);
}

#
# Bump portrevisions
#
{
    print "Updating Makefiles\n";
    foreach my $p (keys(%DEPPORTS)) {
	print "- Updating Makefile of $p\n";
    next if $opt_c;
	bumpMakefile "ports/$p";
    }
}

#
# Commit the changes. Not automated.
#
print <<EOF;
All portrevisions have been updated. You are nearly done, only one thing
remains: The commiting in the ports tree. This program is not going to do
that for you, you have to do it manually.

\$ cd $TMPDIR/ports
\$ cvs commit

Then, remove the temp directory.
EOF