source: MondoRescue/branches/stable/tools/mkchangelog.pl @ 930

#!/usr/bin/perl -w
#
# Creates changelog for packages from Changelog files in the apps
#
# $Id$
#
# Syntax : mkchangelog dtype package-name output-file
#

use strict;
use Date::Manip;
use File::Basename;
use English;

my $log = "";
my $dtype = $ARGV[0];
my $pkg = $ARGV[1];
my $pkg2;
my $outfile = $ARGV[2];
my $chglog = "";
my $ndate = "";
my $n2date = "";
my $tmp = "";
my $ver = "";
my $ver2 = "";
my $date = "";
my $tag = "";

# For date handling
$ENV{LANG}="C";

die "Syntax : mkchangelog dtype package-name output-file" 
    if ((not (defined $dtype)) || ($dtype eq "") || 
        (not (defined $pkg)) || ($pkg eq "") || 
        (not (defined $outfile)) || ($outfile eq ""));

my $TOOLHOME;
$tmp = dirname($PROGRAM_NAME);
if ($tmp =~ /^\//) {
    $TOOLHOME = $tmp;
    }
else {
    $TOOLHOME = "$ENV{PWD}/$tmp";
    }

die "TOOLHOME doesn't exist" if (not (defined $TOOLHOME));

if (-f "$TOOLHOME/../$pkg/ChangeLog") {
    $chglog = "$TOOLHOME/../$pkg/ChangeLog";
    }
else {
    $pkg2 = $pkg;
    $pkg2 =~ s/-..*//;
    if (-f "$TOOLHOME/../$pkg2/ChangeLog") {
        $chglog = "$TOOLHOME/../$pkg2/ChangeLog";
        }
    else {
        die "Unable to find a ChangeLog file for $pkg\n";
    }
}
$tmp="$TOOLHOME/../$pkg/TAG";
if (-f "$tmp") {
    open(TAG,"$tmp") || die "Unable to open $tmp";
    $tag = <TAG>;
    chomp($tag);
} else {
    die "Unable to find a TAG file for $pkg\n";
}
#print "Using $chglog as input ChangeLog file for $pkg\n";

open(INPUT,"$chglog") || die "Unable to open $chglog (read)";
open(OUTPUT,"> $outfile") || die "Unable to open $outfile (write)";

# Skip first 4 lines
$tmp = <INPUT>;
$tmp = <INPUT>;
$tmp = <INPUT>;
if ($dtype eq "announce") {
    print OUTPUT $tmp;
}
$tmp = <INPUT>;
if ($dtype eq "announce") {
    print OUTPUT $tmp;
}

my $first=1;

# Handle each block separated by newline
while (<INPUT>) {
    ($ver, $date) = split(/ /);
    $ver =~ s/^v//;
    chomp($date);
    $date =~ s/\(([0-9-]+)\)/$1/;
    #print "**$date**\n";
    $ndate = UnixDate($date,"%a", "%b", "%d", "%Y");
    $n2date = &UnixDate($date,"%a, %d %b %Y %H:%M:%S %z");
    #print "**$ndate**\n";
    if ($dtype eq "rpm") {
        if ($ver !~ /-/) {
            if ($first eq 1) {
                $ver2 = "$ver-$tag"."$ENV{suf}";
                $first=0;
            } else {
                $ver2 = "$ver-1"."$ENV{suf}";
            }
        } else {
            $ver2 = "$ver"."$ENV{suf}";
        }
        print OUTPUT "* $ndate Bruno Cornec <bruno\@mondorescue.org> $ver2\n";
        print OUTPUT "- Updated to $ver\n";
        }
    if ($dtype eq "deb") {
        print OUTPUT "$pkg ($ver) unstable; urgency=low\n";
        print OUTPUT "\n";
        }

    $tmp = <INPUT>; 
    while ($tmp !~ /^$/) {
        if ($dtype eq "deb") {
            print OUTPUT "  * $tmp";
        }
        else {
            print OUTPUT "$tmp";
        }
        last if (eof(INPUT));
        $tmp = <INPUT>;
    }
    print OUTPUT "\n";

    if ($dtype eq "deb") {
        print OUTPUT " -- Bruno Cornec <bruno\@mondorescue.org>  $n2date\n\n";
        print OUTPUT "\n";
        }

    last if (eof(INPUT));
    last if ($dtype eq "announce");
}
close(OUTPUT);
close(INPUT);