#!/usr/bin/perl -w
#
# Base subroutines for the Project-Builder project
#
# $Id$
#

package ProjectBuilder::Base;

use strict;
use lib qw (lib);
use File::Basename;
use File::Path;
use File::stat;
use File::Copy;
use File::Temp qw(tempdir);
use Data::Dumper;
use POSIX qw(strftime);
use Time::localtime qw(localtime);
use Date::Manip;
use English;

# Inherit from the "Exporter" module which handles exporting functions.
 
use Exporter;
 
# Export, by default, all the functions into the namespace of
# any code which uses this module.
 
our $debug = 0;
our $LOG = \*STDOUT;

our @ISA = qw(Exporter);
our @EXPORT = qw(pb_env_init pb_conf_read pb_conf_read_if pb_conf_get pb_conf_get_if pb_cms_init pb_mkdir_p pb_system pb_rm_rf pb_get_filters pb_filter_file pb_filter_file_pb pb_filter_file_inplace pb_cms_export pb_cms_log pb_cms_isdiff pb_cms_copy pb_cms_checkout pb_get_date pb_log pb_log_init pb_get_pkg pb_cms_get_pkg pb_get_uri pb_cms_get_uri $debug $LOG);

sub pb_env_init {

my $proj=shift || undef;
my $pbinit=shift || undef;
my $action=shift;
my $ver;
my $tag;

$ENV{'PBETC'} = "$ENV{'HOME'}/.pbrc";

#
# Check project name
# Could be with env var PBPROJ
# or option -p
# if not define take the first in conf file
#
if ((defined $ENV{'PBPROJ'}) &&
	(not (defined $proj))) {
	$proj = $ENV{'PBPROJ'};
}

#
# We get the pbconf file for that project 
# and use its content
#
my ($pbconf) = pb_conf_read("$ENV{'PBETC'}","pbconfurl");
pb_log(2,"DEBUG pbconfurl: ".Dumper($pbconf)."\n");

my %pbconf = %$pbconf;
if (not defined $proj) {
	# Take the first as the default project
	$proj = (keys %pbconf)[0];
	if (defined $proj) {
		pb_log(1,"WARNING: using $proj as default project as none has been specified\n");
		pb_log(1,"         Please either create a pbconfurl reference for project $proj in $ENV{'PBETC'}\n");
		pb_log(1,"         or call pb with the -p project option or use the env var PBPROJ\n");
		pb_log(1,"         if you want to use another project\n");
	}
}
die "No project defined - use env var PBPROJ or -p proj or a pbconfurl entry in $ENV{'PBETC'}" if (not (defined $proj));

# That's always the environment variable that will be used
$ENV{'PBPROJ'} = $proj;
pb_log(2,"PBPROJ: $ENV{'PBPROJ'}\n");

if (not defined ($pbconf{$ENV{'PBPROJ'}})) {
	die "Please create a pbconfurl reference for project $ENV{'PBPROJ'} in $ENV{'PBETC'}\n";
}

#
# Detect the root dir for hosting all the content generated with pb
#
# Tree will look like this:
#
#             maint pbdefdir                         PBDEFDIR            dev dir (optional)
#                  |                                                        |
#            ------------------------                                --------------------
#            |                      |                                |                  |
#         pbproj1                pbproj2             PBPROJ       pbproj1           pbproj2   PBPROJDIR
#            |                                                       |
#  ---------------------------------------------                ----------
#  *      *        *       |        |          |                *        *
# tag    dev    pbconf    ...     build     delivery PBCONFDIR dev      tag                  
#  |               |                           |     PBDESTDIR           |
#  ---          ------                        pbrc   PBBUILDDIR       -------
#    |          |    |                                                |     |
#   1.1        dev  tag                                              1.0   1.1                PBDIR
#                    |
#                 -------
#                 |     |
#                1.0   1.1                           PBROOTDIR
#                       |
#               ----------------------------------
#               |          |           |         |
#             pkg1      pbproj1.pb   pbfilter   pbcl
#               |
#        -----------------
#        |      |        |
#       rpm    deb    pbfilter
#
#
# (*) By default, if no relocation in .pbrc, dev dir is taken in the maint pbdefdir (when appropriate)
# Names under a pbproj and the corresponding pbconf should be similar
#

my ($pbdefdir) = pb_conf_get_if("pbdefdir");

if (not defined $ENV{'PBDEFDIR'}) {
	if ((not defined $pbdefdir) || (not defined $pbdefdir->{$ENV{'PBPROJ'}})) {
		pb_log(1,"WARNING: no pbdefdir defined, using /var/cache\n");
		pb_log(1,"         Please create a pbdefdir reference for project $ENV{'PBPROJ'} in $ENV{'PBETC'}\n");
		pb_log(1,"         if you want to use another directory\n");
		$ENV{'PBDEFDIR'} = "/var/cache";
	} else {
		# That's always the environment variable that will be used
		$ENV{'PBDEFDIR'} = $pbdefdir->{$ENV{'PBPROJ'}};
	}
}
# Expand potential env variable in it
eval { $ENV{'PBDEFDIR'} =~ s/(\$ENV.+\})/$1/eeg };

pb_log(2,"PBDEFDIR: $ENV{'PBDEFDIR'}\n");
#
# Set delivery directory
#
$ENV{'PBDESTDIR'}="$ENV{'PBDEFDIR'}/$ENV{'PBPROJ'}/delivery";

pb_log(2,"PBDESTDIR: $ENV{'PBDESTDIR'}\n");
#
# Removes all directory existing below the delivery dir 
# as they are temp dir only
# Files stay and have to be cleaned up manually if needed
# those files serves as communication channels between pb phases
# Removing them prevents a following phase to detect what has been done before
#
if (-d $ENV{'PBDESTDIR'}) {
	opendir(DIR,$ENV{'PBDESTDIR'}) || die "Unable to open directory $ENV{'PBDESTDIR'}: $!";
	foreach my $d (readdir(DIR)) {
		next if ($d =~ /^\./);
		next if (-f "$ENV{'PBDESTDIR'}/$d");
		pb_rm_rf("$ENV{'PBDESTDIR'}/$d") if (-d "$ENV{'PBDESTDIR'}/$d");
	}
	closedir(DIR);
}
if (! -d "$ENV{'PBDESTDIR'}") {
	pb_mkdir_p($ENV{'PBDESTDIR'}) || die "Unable to recursively create $ENV{'PBDESTDIR'}";
}

#
# Set build directory
#
$ENV{'PBBUILDDIR'}="$ENV{'PBDEFDIR'}/$ENV{'PBPROJ'}/build";
if (! -d "$ENV{'PBBUILDDIR'}") {
	pb_mkdir_p($ENV{'PBBUILDDIR'}) || die "Unable to recursively create $ENV{'PBBUILDDIR'}";
}

pb_log(2,"PBBUILDDIR: $ENV{'PBBUILDDIR'}\n");
#
# Set temp directory
#
if (not defined $ENV{'TMPDIR'}) {
	$ENV{'TMPDIR'}="/tmp";
}
$ENV{'PBTMP'} = tempdir( "pb.XXXXXXXXXX", DIR => $ENV{'TMPDIR'}, CLEANUP => 1 );
pb_log(2,"PBTMP: $ENV{'PBTMP'}\n");

#
# The following part is only useful when in cms2something of newver
# In VMs/VEs we want to skip that by providing good env vars.
# return values in that case are useless
#
if (($action =~ /^cms2/) || ($action =~ /^newver$/)) {

	#
	# Check pbconf cms compliance
	#
	pb_cms_compliant("pbconfdir",'PBCONFDIR',"$ENV{'PBDEFDIR'}/$ENV{'PBPROJ'}/pbconf",$pbconf{$ENV{'PBPROJ'}},$pbinit);

	# Check where is our PBROOTDIR (release tag name can't be guessed the first time)
	#
	if (not defined $ENV{'PBROOTDIR'}) {
		if (! -f ("$ENV{'PBDESTDIR'}/pbrc")) {
			opendir(DIR,$ENV{'PBCONFDIR'}) || die "Unable to open directory $ENV{'PBCONFDIR'}: $!";
			my $maxmtime = 0;
			foreach my $d (readdir(DIR)) {
				pb_log(3,"Looking at \'$d\'...");
				next if ($d =~ /^\./);
				next if (! -d "$ENV{'PBCONFDIR'}/$d");
				my $s = stat("$ENV{'PBCONFDIR'}/$d");
				next if (not defined $s);
				pb_log(3,"KEEP\n");
				# Keep the most recent
				pb_log(2," $s->mtime\n");
				if ($s->mtime > $maxmtime) {
					$ENV{'PBROOTDIR'} = "$ENV{'PBCONFDIR'}/$d";
					$maxmtime = $s->mtime;
				}
			}
			closedir(DIR);
			die "No directory found under $ENV{'PBCONFDIR'}" if (not defined $ENV{'PBROOTDIR'});
			pb_log(1,"WARNING: no pbroot defined, using $ENV{'PBROOTDIR'}\n");
			pb_log(1,"         Please use -r release if you want to use another release\n");
		} else {
			my ($pbroot) = pb_conf_read_if("$ENV{'PBDESTDIR'}/pbrc","pbroot");
			# That's always the environment variable that will be used
			die "Please remove inconsistent $ENV{'PBDESTDIR'}/pbrc" if ((not defined $pbroot) || (not defined $pbroot->{$ENV{'PBPROJ'}}));
			$ENV{'PBROOTDIR'} = $pbroot->{$ENV{'PBPROJ'}};
		}
	} else {
		# transform in full path if relative
		$ENV{'PBROOTDIR'} = "$ENV{'PBCONFDIR'}/$ENV{'PBROOTDIR'}" if ($ENV{'PBROOTDIR'} !~ /^\//);
		pb_mkdir_p($ENV{'PBROOTDIR'}) if (defined $pbinit);
		die "$ENV{'PBROOTDIR'} is not a directory" if (not -d $ENV{'PBROOTDIR'});
	}

	return  if ($action =~ /^newver$/);

	my %version = ();
	my %defpkgdir = ();
	my %extpkgdir = ();
	my %filteredfiles = ();
	my %supfiles = ();
	
	if ((-f "$ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb") and (not defined $pbinit)) {
		# List of pkg to build by default (mandatory)
		my ($defpkgdir,$pbpackager, $pkgv, $pkgt) = pb_conf_get("defpkgdir","pbpackager","projver","projtag");
		# List of additional pkg to build when all is called (optional)
		# Valid version names (optional)
		# List of files to filter (optional)
		# Project version and tag (optional)
		my ($extpkgdir, $version, $filteredfiles, $supfiles) = pb_conf_get_if("extpkgdir","version","filteredfiles","supfiles");
		pb_log(2,"DEBUG: defpkgdir: ".Dumper($defpkgdir)."\n");
		pb_log(2,"DEBUG: extpkgdir: ".Dumper($extpkgdir)."\n");
		pb_log(2,"DEBUG: version: ".Dumper($version)."\n");
		pb_log(2,"DEBUG: filteredfiles: ".Dumper($filteredfiles)."\n");
		pb_log(2,"DEBUG: supfiles: ".Dumper($supfiles)."\n");
		# Global
		%defpkgdir = %$defpkgdir;
		%extpkgdir = %$extpkgdir if (defined $extpkgdir);
		%version = %$version if (defined $version);
		%filteredfiles = %$filteredfiles if (defined $filteredfiles);
		%supfiles = %$supfiles if (defined $supfiles);
		#
		# Get global Version/Tag
		#
		if (not defined $ENV{'PBPROJVER'}) {
			if ((defined $pkgv) && (defined $pkgv->{$ENV{'PBPROJ'}})) {
				$ENV{'PBPROJVER'}=$pkgv->{$ENV{'PBPROJ'}};
			} else {
				die "No projver found in $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb";
			}
		}
		die "Invalid version name $ENV{'PBPROJVER'} in $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb" if (($ENV{'PBPROJVER'} !~ /[0-9.]+/) && (not defined $version) && ($ENV{'PBPROJVER'} =~ /$version{$ENV{'PBPROJ'}}/));
		
		if (not defined $ENV{'PBPROJTAG'}) {
			if ((defined $pkgt) && (defined $pkgt->{$ENV{'PBPROJ'}})) {
				$ENV{'PBPROJTAG'}=$pkgt->{$ENV{'PBPROJ'}};
			} else {
				die "No projtag found in $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb";
			}
		}
		die "Invalid tag name $ENV{'PBPROJTAG'} in $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb" if ($ENV{'PBPROJTAG'} !~ /[0-9.]+/);
	
	
		if (not defined $ENV{'PBPACKAGER'}) {
			if ((defined $pbpackager) && (defined $pbpackager->{$ENV{'PBPROJ'}})) {
				$ENV{'PBPACKAGER'}=$pbpackager->{$ENV{'PBPROJ'}};
			} else {
				die "No pbpackager found in $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb";
			}
		}
	} else {
		if (defined $pbinit) {
			my $ptr = pb_get_pkg();
			my @pkgs = @$ptr;
			@pkgs = ("pkg1") if (not @pkgs);
	
			open(CONF,"> $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb") || die "Unable to create $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb";
			print CONF << "EOF";
#
# Project Builder configuration file
# For project $ENV{'PBPROJ'}
#
# \$Id\$
#

#
# What is the project URL
#
#pburl $ENV{'PBPROJ'} = svn://svn.$ENV{'PBPROJ'}.org/$ENV{'PBPROJ'}/devel
#pburl $ENV{'PBPROJ'} = svn://svn+ssh.$ENV{'PBPROJ'}.org/$ENV{'PBPROJ'}/devel
#pburl $ENV{'PBPROJ'} = cvs://cvs.$ENV{'PBPROJ'}.org/$ENV{'PBPROJ'}/devel
#pburl $ENV{'PBPROJ'} = http://www.$ENV{'PBPROJ'}.org/src/$ENV{'PBPROJ'}-devel.tar.gz
#pburl $ENV{'PBPROJ'} = ftp://ftp.$ENV{'PBPROJ'}.org/src/$ENV{'PBPROJ'}-devel.tar.gz
#pburl $ENV{'PBPROJ'} = file:///src/$ENV{'PBPROJ'}-devel.tar.gz
#pburl $ENV{'PBPROJ'} = dir:///src/$ENV{'PBPROJ'}-devel

# Check whether project is well formed 
# (containing already a directory with the project-version name)
#pbwf $ENV{'PBPROJ'} = 1

#
# Packager label
#
#pbpackager $ENV{'PBPROJ'} = William Porte <bill\@$ENV{'PBPROJ'}.org>
#

# For delivery to a machine by SSH (potentially the FTP server)
# Needs hostname, account and directory
#
#sshhost $ENV{'PBPROJ'} = www.$ENV{'PBPROJ'}.org
#sshlogin $ENV{'PBPROJ'} = bill
#sshdir $ENV{'PBPROJ'} = /$ENV{'PBPROJ'}/ftp
#sshport $ENV{'PBPROJ'} = 22

#
# For Virtual machines management
# Naming convention to follow: distribution name (as per ProjectBuilder::Distribution)
# followed by '-' and by release number
# followed by '-' and by architecture
# a .vmtype extension will be added to the resulting string
# a QEMU rhel-3-i286 here means that the VM will be named rhel-3-i386.qemu
#
#vmlist $ENV{'PBPROJ'} = mandrake-10.1-i386,mandrake-10.2-i386,mandriva-2006.0-i386,mandriva-2007.0-i386,mandriva-2007.1-i386,mandriva-2008.0-i386,redhat-7.3-i386,redhat-9-i386,fedora-4-i386,fedora-5-i386,fedora-6-i386,fedora-7-i386,fedora-8-i386,rhel-3-i386,rhel-4-i386,rhel-5-i386,suse-10.0-i386,suse-10.1-i386,suse-10.2-i386,suse-10.3-i386,sles-9-i386,sles-10-i386,gentoo-nover-i386,debian-3.1-i386,debian-4.0-i386,ubuntu-6.06-i386,ubuntu-7.04-i386,ubuntu-7.10-i386,mandriva-2007.0-x86_64,mandriva-2007.1-x86_64,mandriva-2008.0-x86_64,fedora-6-x86_64,fedora-7-x86_64,fedora-8-x86_64,rhel-4-x86_64,rhel-5-x86_64,suse-10.2-x86_64,suse-10.3-x86_64,sles-10-x86_64,gentoo-nover-x86_64,debian-4.0-x86_64,ubuntu-7.04-x86_64,ubuntu-7.10-x86_64

#
# Valid values for vmtype are
# qemu, (vmware, xen, ... TBD)
#vmtype $ENV{'PBPROJ'} = qemu

# Hash for VM stuff on vmtype
#vmntp default = pool.ntp.org

# We suppose we can commmunicate with the VM through SSH
#vmhost $ENV{'PBPROJ'} = localhost
#vmlogin $ENV{'PBPROJ'} = pb
#vmport $ENV{'PBPROJ'} = 2222

# Timeout to wait when VM is launched/stopped
#vmtmout default = 120

# per VMs needed paramaters
#vmopt $ENV{'PBPROJ'} = -m 384 -daemonize
#vmpath $ENV{'PBPROJ'} = /home/qemu
#vmsize $ENV{'PBPROJ'} = 5G

# 
# For Virtual environment management
# Naming convention to follow: distribution name (as per ProjectBuilder::Distribution)
# followed by '-' and by release number
# followed by '-' and by architecture
# a .vetype extension will be added to the resulting string
# a chroot rhel-3-i286 here means that the VE will be named rhel-3-i386.chroot
#
#velist $ENV{'PBPROJ'} = fedora-7-i386

# VE params
#vetype $ENV{'PBPROJ'} = chroot
#ventp default = pool.ntp.org
#velogin $ENV{'PBPROJ'} = pb
#vepath $ENV{'PBPROJ'} = /var/lib/mock
#veconf $ENV{'PBPROJ'} = /etc/mock
#verebuild $ENV{'PBPROJ'} = false

#
# Global version/tag for the project
#
#projver $ENV{'PBPROJ'} = devel
#projtag $ENV{'PBPROJ'} = 1

# Hash of valid version names
#version $ENV{'PBPROJ'} = devel,stable

# Adapt to your needs:
# Optional if you need to overwrite the global values above
#
EOF
		
			foreach my $pp (@pkgs) {
				print CONF << "EOF";
#pkgver $pp = stable
#pkgtag $pp = 3
EOF
			}
			foreach my $pp (@pkgs) {
				print CONF << "EOF";
# Hash of default package/package directory
#defpkgdir $pp = dir-$pp
EOF
			}
	
			print CONF << "EOF";
# Hash of additional package/package directory
#extpkgdir minor-pkg = dir-minor-pkg

# List of files per pkg on which to apply filters
# Files are mentioned relatively to pbroot/defpkgdir
EOF
			foreach my $pp (@pkgs) {
				print CONF << "EOF";
#filteredfiles $pp = Makefile.PL,configure.in,install.sh,$pp.8
#supfiles $pp = $pp.init
EOF
			}
			close(CONF);
			pb_mkdir_p("$ENV{'PBROOTDIR'}/pbfilter") || die "Unable to create $ENV{'PBROOTDIR'}/pbfilter";
			open(CONF,"> $ENV{'PBROOTDIR'}/pbfilter/all.pbf") || die "Unable to create $ENV{'PBROOTDIR'}/pbfilter/all.pbf";
			print CONF << "EOF";
#
# \$Id\$
#
# Filter for all files
#
# PBSRC is replaced by the source package format
#filter PBSRC = ftp://ftp.$ENV{'PBPROJ'}.org/src/%{name}-%{version}.tar.gz

# PBVER is replaced by the version (\$pbver in code)
filter PBVER = \$pbver

# PBDATE is replaced by the date (\$pbdate in code)
filter PBDATE = \$pbdate

# PBLOG is replaced by the changelog if value is yes
#filter PBLOG = yes

# PBTAG is replaced by the tag (\$pbtag in code)
filter PBTAG = \$pbtag

# PBREV is replaced by the revision (\$pbrev in code)
filter PBREV = \$pbrev

# PBPKG is replaced by the package name (\$pbpkg in code)
filter PBPKG = \$pbpkg

# PBPACKAGER is replaced by the packager name (\$pbpackager in code)
filter PBPACKAGER = \$pbpackager

# PBDESC contains the description of the package
#filter PBDESC = "Bla-Bla"

# PBURL contains the URL of the Web site of the project
#filter PBURL = http://www.$ENV{'PBPROJ'}.org
EOF
			close(CONF);
			open(CONF,"> $ENV{'PBROOTDIR'}/pbfilter/rpm.pbf") || die "Unable to create $ENV{'PBROOTDIR'}/pbfilter/rpm.pbf";
			print CONF << "EOF";
#
# \$Id\$
#
# Filter for rpm build
#

# PBGRP is replaced by the RPM group of apps
# Cf: http://fedoraproject.org/wiki/RPMGroups
#filter PBGRP = Applications/Archiving

# PBLIC is replaced by the license of the application
# Cf: http://fedoraproject.org/wiki/Licensing
#filter PBLIC = GPL

# PBDEP is replaced by the list of dependencies
#filter PBDEP =

# PBSUF is replaced by the package suffix (\$pbsuf in code)
filter PBSUF = \$pbsuf

# PBOBS is replaced by the Obsolete line
#filter PBOBS =

EOF
			close(CONF);
			open(CONF,"> $ENV{'PBROOTDIR'}/pbfilter/deb.pbf") || die "Unable to create $ENV{'PBROOTDIR'}/pbfilter/deb.pbf";
			print CONF << "EOF";
#
# \$Id\$
#
# Filter for debian build
#
# PBGRP is replaced by the group of apps
filter PBGRP = utils

# PBLIC is replaced by the license of the application
# Cf:
#filter PBLIC = GPL

# PBDEP is replaced by the list of dependencies
#filter PBDEP =

# PBSUG is replaced by the list of suggestions
#filter PBSUG =

# PBREC is replaced by the list of recommandations
#filter PBREC =

EOF
			close(CONF);
			open(CONF,"> $ENV{'PBROOTDIR'}/pbfilter/md.pbf") || die "Unable to create $ENV{'PBROOTDIR'}/pbfilter/md.pbf";
			print CONF << "EOF";
# Specific group for Mandriva for $ENV{'PBPROJ'}
# Cf: http://wiki.mandriva.com/en/Development/Packaging/Groups
#filter PBGRP = Archiving/Backup

# PBLIC is replaced by the license of the application
# Cf: http://wiki.mandriva.com/en/Development/Packaging/Licenses
#filter PBLIC = GPL

EOF
			close(CONF);
			open(CONF,"> $ENV{'PBROOTDIR'}/pbfilter/novell.pbf") || die "Unable to create $ENV{'PBROOTDIR'}/pbfilter/novell.pbf";
			print CONF << "EOF";
# Specific group for SuSE for $ENV{'PBPROJ'}
# Cf: http://en.opensuse.org/SUSE_Package_Conventions/RPM_Groups
#filter PBGRP = Productivity/Archiving/Backup

# PBLIC is replaced by the license of the application
# Cf: http://en.opensuse.org/Packaging/SUSE_Package_Conventions/RPM_Style#1.6._License_Tag
#filter PBLIC = GPL

EOF
			close(CONF);
			foreach my $pp (@pkgs) {
				pb_mkdir_p("$ENV{'PBROOTDIR'}/$pp/deb") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb";
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/control") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/control";
				print CONF << "EOF";
Source: PBPKG
Section: PBGRP
Priority: optional
Maintainer: PBPACKAGER
Build-Depends: debhelper (>= 4.2.20), PBDEP
Standards-Version: 3.6.1

Package: PBPKG
Architecture: amd64 i386 ia64
Section: PBGRP
Priority: optional
Depends: \${shlibs:Depends}, \${misc:Depends}, PBDEP
Recommends: PBREC
Suggests: PBSUG
Description: 
 PBDESC
 .
 Homepage: PBURL

EOF
				close(CONF);
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/copyright") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/copyright";
				print CONF << "EOF";
This package is debianized by PBPACKAGER
`date`

The current upstream source was downloaded from
ftp://ftp.$ENV{'PBPROJ'}.org/src/.

Upstream Authors: Put their name here

Copyright:

   This package is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 dated June, 1991.

   This package is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this package; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
   MA 02110-1301, USA.

On Debian systems, the complete text of the GNU General
Public License can be found in /usr/share/common-licenses/GPL.

EOF
				close(CONF);
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/changelog") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/changelog";
				print CONF << "EOF";
PBLOG
EOF
				close(CONF);
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/compat") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/compat";
				print CONF << "EOF";
4
EOF
				close(CONF);
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/$pp.dirs") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/$pp.dirs";
				print CONF << "EOF";
EOF
				close(CONF);
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/$pp.docs") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/$pp.docs";
				print CONF << "EOF";
INSTALL
COPYING
AUTHORS
NEWS
README
EOF
				close(CONF);
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/deb/rules") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/deb/rules";
				print CONF << 'EOF';
#!/usr/bin/make -f
# -*- makefile -*-
# Sample debian/rules that uses debhelper.
# GNU copyright 1997 to 1999 by Joey Hess.
#
# $Id$
#

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

# Define package name variable for a one-stop change.
PACKAGE_NAME = PBPKG

# These are used for cross-compiling and for saving the configure script
# from having to guess our platform (since we know it already)
DEB_HOST_GNU_TYPE   ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_BUILD_GNU_TYPE  ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)

CFLAGS = -Wall -g

ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
        CFLAGS += -O0
else
        CFLAGS += -O2
endif
ifeq (,$(findstring nostrip,$(DEB_BUILD_OPTIONS)))
        INSTALL_PROGRAM += -s
endif
config.status: configure
        dh_testdir

        # Configure the package.
        CFLAGS="$(CFLAGS)" ./configure --host=$(DEB_HOST_GNU_TYPE) --build=$(DEB_BUILD_GNU_TYPE) --prefix=/usr
 --mandir=\$${prefix}/share/man

# Build both architecture dependent and independent
build: build-arch build-indep

# Build architecture dependent
build-arch: build-arch-stamp

build-arch-stamp:  config.status
        dh_testdir

        # Compile the package.
        $(MAKE)

        touch build-stamp

# Build architecture independent
build-indep: build-indep-stamp

build-indep-stamp:  config.status
        # Nothing to do, the only indep item is the manual which is available as html in original source
        touch build-indep-stamp

# Clean up
clean:
        dh_testdir
        dh_testroot
        rm -f build-arch-stamp build-indep-stamp #CONFIGURE-STAMP#
        # Clean temporary document directory
        rm -rf debian/doc-temp
        # Clean up.
        -$(MAKE) distclean
        rm -f config.log
ifneq "$(wildcard /usr/share/misc/config.sub)" ""
        cp -f /usr/share/misc/config.sub config.sub
endif
ifneq "$(wildcard /usr/share/misc/config.guess)" ""
        cp -f /usr/share/misc/config.guess config.guess
endif

        dh_clean

# Install architecture dependent and independent
install: install-arch install-indep

# Install architecture dependent
install-arch: build-arch
        dh_testdir
        dh_testroot
        dh_clean -k -s
        dh_installdirs -s

        # Install the package files into build directory:
        # - start with upstream make install
        $(MAKE) install prefix=$(CURDIR)/debian/$(PACKAGE_NAME)/usr mandir=$(CURDIR)/debian/$(PACKAGE_NAME)/us
r/share/man
        # - copy html manual to temporary location for renaming
        mkdir -p debian/doc-temp
        dh_install -s

# Install architecture independent
install-indep: build-indep
        dh_testdir
        dh_testroot
        dh_clean -k -i
        dh_installdirs -i
        dh_install -i

# Must not depend on anything. This is to be called by
# binary-arch/binary-indep
# in another 'make' thread.
binary-common:
        dh_testdir
        dh_testroot
        dh_installchangelogs ChangeLog
        dh_installdocs
        dh_installman
        dh_link
        dh_strip
        dh_compress
        dh_fixperms
        dh_installdeb
        dh_shlibdeps
        dh_gencontrol
        dh_md5sums
        dh_builddeb

# Build architecture independant packages using the common target.
binary-indep: build-indep install-indep
        $(MAKE) -f debian/rules DH_OPTIONS=-i binary-common

# Build architecture dependant packages using the common target.
binary-arch: build-arch install-arch
        $(MAKE) -f debian/rules DH_OPTIONS=-a binary-common

# Build architecture depdendent and independent packages
binary: binary-arch binary-indep
.PHONY: clean binary

EOF
				close(CONF);
				pb_mkdir_p("$ENV{'PBROOTDIR'}/$pp/rpm") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/rpm";
				open(CONF,"> $ENV{'PBROOTDIR'}/$pp/rpm/$pp.spec") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/rpm/$pp.spec";
				print CONF << 'EOF';
#
# $Id$
#

Summary:        bla-bla
Summary(fr):    french bla-bla

Name:           PBPKG
Version:        PBVER
Release:        PBTAGPBSUF
License:        PBLIC
Group:          PBGRP
Url:            PBURL
Source:         PBSRC
BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(id -u -n)
#Requires:       PBDEP

%description
PBDESC

%description -l fr
french desc

%prep
%setup -q

%build
%configure
make %{?_smp_mflags}

%install
%{__rm} -rf $RPM_BUILD_ROOT
make DESTDIR=$RPM_BUILD_ROOT install

%clean
%{__rm} -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root)
%doc ChangeLog
%doc INSTALL COPYING README AUTHORS NEWS

%changelog
PBLOG

EOF
				close(CONF);
				pb_mkdir_p("$ENV{'PBROOTDIR'}/$pp/pbfilter") || die "Unable to create $ENV{'PBROOTDIR'}/$pp/pbfilter";
	
				pb_log(0,"\nDo not to forget to commit the pbconf directory in your CMS if needed\n");
			}
		} else {
			die "Unable to open $ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb";
		}
	}
	umask 0022;
	return(\%filteredfiles, \%supfiles, \%defpkgdir, \%extpkgdir);
} else {
	# Setup the variables from what has been stored at the end of cms2build
	my ($var) = pb_conf_read("$ENV{'PBDESTDIR'}/pbrc","pbroot");
	$ENV{'PBROOTDIR'} = $var->{$ENV{'PBPROJ'}};

	($var) = pb_conf_read("$ENV{'PBDESTDIR'}/pbrc","projver");
	$ENV{'PBPROJVER'} = $var->{$ENV{'PBPROJ'}};

	($var) = pb_conf_read("$ENV{'PBDESTDIR'}/pbrc","projtag");
	$ENV{'PBPROJTAG'} = $var->{$ENV{'PBPROJ'}};

	($var) = pb_conf_read("$ENV{'PBDESTDIR'}/pbrc","pbpackager");
	$ENV{'PBPACKAGER'} = $var->{$ENV{'PBPROJ'}};

	return;
}
}

# Internal mkdir -p function
sub pb_mkdir_p {
my @dir = @_;
my $ret = mkpath(@dir, 0, 0755);
return($ret);
}

# Internal rm -rf function
sub pb_rm_rf {
my @dir = @_;
my $ret = rmtree(@dir, 0, 0);
return($ret);
}

# Internal system function
sub pb_system {

my $cmd=shift;
my $cmt=shift || $cmd;

pb_log(0,"$cmt... ");
#system("$cmd 2>&1 > $ENV{'PBTMP'}/system.log");
system($cmd);
pb_log(1,"Executing $cmd\n");
my $res = $?;
if ($res == -1) {
	pb_log(0,"failed to execute ($cmd) : $!\n");
	pb_display_file("$ENV{'PBTMP'}/system.log");
} elsif ($res & 127) {
	pb_log(0, "child ($cmd) died with signal ".($? & 127).", ".($? & 128) ? 'with' : 'without'." coredump\n");
	pb_display_file("$ENV{'PBTMP'}/system.log");
} elsif ($res == 0) {
	pb_log(0,"OK\n");
} else {
	pb_log(0, "child ($cmd) exited with value ".($? >> 8)."\n");
	pb_display_file("$ENV{'PBTMP'}/system.log");
}
return($res);
}

sub pb_display_file {

my $file=shift;

return if (not -f $file);
open(FILE,"$file");
while (<FILE>) {
	print $_;
}
close(FILE);
}

# Function which returns a pointer on a table
# corresponding to a set of values queried in the conf file
# and test the returned vaue as they need to exist in that case
sub pb_conf_get {

my @param = @_;
my @return = pb_conf_get_if(@param);

die "No params found for $ENV{'PBPROJ'}" if (not @return);

foreach my $i (0..$#param) {
	die "No $param[$i] defined for $ENV{'PBPROJ'}" if (not defined $return[$i]);
}
return(@return);
}

# Function which returns a pointer on a table
# corresponding to a set of values queried in the conf file
# Those value may be undef if they do not exist
sub pb_conf_get_if {

my @param = @_;

# Everything is returned via ptr1
my @ptr1 = ();
my @ptr2 = ();
@ptr1 = pb_conf_read_if("$ENV{'PBETC'}", @param) if (defined $ENV{'PBETC'});
@ptr2 = pb_conf_read_if("$ENV{'PBROOTDIR'}/$ENV{'PBPROJ'}.pb", @param) if ((defined $ENV{'PBROOTDIR'}) and (defined $ENV{'PBPROJ'}));

my $p1;
my $p2;

pb_log(2,"DEBUG: pb_conf_get param1: ".Dumper(@ptr1)."\n");
pb_log(2,"DEBUG: pb_conf_get param2: ".Dumper(@ptr2)."\n");

foreach my $i (0..$#param) {
	$p1 = $ptr1[$i];
	$p2 = $ptr2[$i];
	# Always try to take the param from the home dir conf file in priority
	# in order to mask what could be defined under the CMS to allow for overloading
	if (not defined $p2) {
		# No ref in CMS project conf file so use the home dir one.
		$p1->{$ENV{'PBPROJ'}} = $p1->{'default'} if ((not defined $p1->{$ENV{'PBPROJ'}}) && (defined $p1->{'default'}));
	} else {
		# Ref found in CMS project conf file
		if (not defined $p1) {
			# No ref in home dir project conf file so use the CMS one.
			$p2->{$ENV{'PBPROJ'}} = $p2->{'default'} if ((not defined $p2->{$ENV{'PBPROJ'}}) && (defined $p2->{'default'}));
			$p1 = $p2;
		} else {
			# Both are defined - handling the overloading
			if (not defined $p1->{'default'}) {
				if (defined $p2->{'default'}) {
					$p1->{'default'} = $p2->{'default'};
				}
			}

			if (not defined $p1->{$ENV{'PBPROJ'}}) {
				if (defined $p2->{$ENV{'PBPROJ'}}) {
					$p1->{$ENV{'PBPROJ'}} = $p2->{$ENV{'PBPROJ'}} if (defined $p2->{$ENV{'PBPROJ'}});
				} else {
					$p1->{$ENV{'PBPROJ'}} = $p1->{'default'} if (defined $p1->{'default'});
				}
			}
			# Now copy back into p1 all p2 content which doesn't exist in p1
			# p1 content (local) always has priority over p2 (project)
			foreach my $k (keys %$p2) {
				$p1->{$k} = $p2->{$k} if (not defined $p1->{$k});
			}
		}
	}
	$ptr1[$i] = $p1;
}
pb_log(2,"DEBUG: pb_conf_get param ptr1: ".Dumper(@ptr1)."\n");
return(@ptr1);
}

# Function which returns a pointer on a hash
# corresponding to a declaration (arg2) in a conf file (arg1)
# if that conf file doesn't exist returns undef 
sub pb_conf_read_if {

my $conffile = shift;
my @param = @_;

open(CONF,$conffile) || return((undef));
close(CONF);
return(pb_conf_read($conffile,@param));
}

# Function which returns a pointer on a hash
# corresponding to a declaration (arg2) in a conf file (arg1)
sub pb_conf_read {

my $conffile = shift;
my @param = @_;
my $trace;
my @ptr;
my %h;

open(CONF,$conffile) || die "Unable to open $conffile";
while(<CONF>) {
	if (/^\s*([A-z0-9-_]+)\s+([[A-z0-9-_]+)\s*=\s*(.+)$/) {
		pb_log(3,"DEBUG: 1:$1 2:$2 3:$3\n");
		$h{$1}{$2}=$3;
	}
}
close(CONF);

for my $param (@param) {
	push @ptr,$h{$param};
}
return(@ptr);
}

# Analyze a url passed and return protocol, account, password, server, port, path
sub pb_get_uri {

my $uri = shift || undef;

pb_log(2,"DEBUG: uri:$uri\n");
# A URL has the format protocol://[ac@]host[:port][path[?query][#fragment]].
# Cf man URI
my ($scheme, $authority, $path, $query, $fragment) =
         $uri =~ m|(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?| if (defined $uri);
my ($account,$host,$port) = $authority =~ m|(?:([^\@]+)\@)?([^:]+)(:(?:[0-9]+))?| if (defined $authority);

$scheme = "" if (not defined $scheme);
$authority = "" if (not defined $authority);
$path = "" if (not defined $path);
$account = "" if (not defined $account);
$host = "" if (not defined $host);
$port = "" if (not defined $port);

pb_log(2,"DEBUG: scheme:$scheme ac:$account host:$host port:$port path:$path\n");
return($scheme, $account, $host, $port, $path);
}


# Setup environment for CMS system for URL passed
sub pb_cms_init {

my $pbinit = shift || undef;

my ($pburl) = pb_conf_get("pburl");
pb_log(2,"DEBUG: Project URL of $ENV{'PBPROJ'}: $pburl->{$ENV{'PBPROJ'}}\n");
my ($scheme, $account, $host, $port, $path) = pb_get_uri($pburl->{$ENV{'PBPROJ'}});

my ($pbprojdir) = pb_conf_get_if("pbprojdir");

if ((defined $pbprojdir) && (defined $pbprojdir->{$ENV{'PBPROJ'}})) {
	$ENV{'PBPROJDIR'} = $pbprojdir->{$ENV{'PBPROJ'}};
} else {
	$ENV{'PBPROJDIR'} = "$ENV{'PBDEFDIR'}/$ENV{'PBPROJ'}";
}

# Computing the default dir for PBDIR.
# what we have is PBPROJDIR so work from that.
# Tree identical between PBCONFDIR and PBROOTDIR on one side and
# PBPROJDIR and PBDIR on the other side.

my $tmp = $ENV{'PBROOTDIR'};
$tmp =~ s|^$ENV{'PBCONFDIR'}||;

#
# Check project cms compliance
#
pb_cms_compliant(undef,'PBDIR',"$ENV{'PBPROJDIR'}/$tmp",$pburl->{$ENV{'PBPROJ'}},$pbinit);

if ($scheme =~ /^svn/) {
	# svnversion more precise than svn info
	$tmp = `(cd "$ENV{'PBDIR'}" ; svnversion .)`;
	chomp($tmp);
	$ENV{'PBREVISION'}=$tmp;
	$ENV{'PBCMSLOGFILE'}="svn.log";
} elsif (($scheme eq "file") || ($scheme eq "ftp") || ($scheme eq "http")) {
	$ENV{'PBREVISION'}="flat";
	$ENV{'PBCMSLOGFILE'}="flat.log";
} elsif ($scheme =~ /^cvs/) {
	# Way too slow
	#$ENV{'PBREVISION'}=`(cd "$ENV{'PBROOTDIR'}" ; cvs rannotate  -f . 2>&1 | awk '{print \$1}' | grep -E '^[0-9]' | cut -d. -f2 |sort -nu | tail -1)`;
	#chomp($ENV{'PBREVISION'});
	$ENV{'PBREVISION'}="cvs";
	$ENV{'PBCMSLOGFILE'}="cvs.log";
	$ENV{'CVS_RSH'} = "ssh" if ($scheme =~ /ssh/);
} else {
	die "cms $scheme unknown";
}

return($scheme,$pburl->{$ENV{'PBPROJ'}});
}

sub pb_get_date {
	
return(localtime->sec(), localtime->min(), localtime->hour(), localtime->mday(), localtime->mon(), localtime->year(), localtime->wday(), localtime->yday(), localtime->isdst());
}

sub pb_cms_export {

my $uri = shift;
my $source = shift;
my $destdir = shift;
my $tmp;
my $tmp1;

my @date = pb_get_date();
# If it's not flat, then we have a real uri as source
my ($scheme, $account, $host, $port, $path) = pb_get_uri($uri);

if ($scheme =~ /^svn/) {
	if (-d $source) {
		$tmp = $destdir;
	} else {
		$tmp = "$destdir/".basename($source);
	}
	pb_system("svn export $source $tmp","Exporting $source from SVN to $tmp");
} elsif ($scheme eq "dir") {
	pb_system("cp -a $path $destdir","Copying $uri from DIR to $destdir");
} elsif (($scheme eq "http") || ($scheme eq "ftp")) {
	my $f = basename($path);
	unlink "$ENV{'PBTMP'}/$f";
	if (-x "/usr/bin/wget") {
		pb_system("/usr/bin/wget -nv -O $ENV{'PBTMP'}/$f $uri"," ");
	} elsif (-x "/usr/bin/curl") {
		pb_system("/usr/bin/curl $uri -o $ENV{'PBTMP'}/$f","Downloading $uri with curl to $ENV{'PBTMP'}/$f\n");
	} else {
		die "Unable to download $uri.\nNo wget/curl available, please install one of those";
	}
	pb_cms_export("file://$ENV{'PBTMP'}/$f",$source,$destdir);
} elsif ($scheme eq "file") {
	use File::MimeInfo; 
	my $mm = mimetype($path);
	pb_log(2,"mimetype: $mm\n");
	pb_mkdir_p($destdir);

	# Check whether the file is well formed 
	# (containing already a directory with the project-version name)
	my ($pbwf) = pb_conf_get_if("pbwf");
	if ((defined $pbwf) && (defined $pbwf->{$ENV{'PBPROJ'}})) {
		$destdir = dirname($destdir);
	}

	if ($mm =~ /\/x-bzip-compressed-tar$/) {
		# tar+bzip2
		pb_system("cd $destdir ; tar xfj $path","Extracting $path in $destdir");
	} elsif ($mm =~ /\/x-lzma-compressed-tar$/) {
		# tar+lzma
		pb_system("cd $destdir ; tar xfY $path","Extracting $path in $destdir");
	} elsif ($mm =~ /\/x-compressed-tar$/) {
		# tar+gzip
		pb_system("cd $destdir ; tar xfz $path","Extracting $path in $destdir");
	} elsif ($mm =~ /\/x-tar$/) {
		# tar
		pb_system("cd $destdir ; tar xf $path","Extracting $path in $destdir");
	} elsif ($mm =~ /\/zip$/) {
		# zip
		pb_system("cd $destdir ; unzip $path","Extracting $path in $destdir");
	}
} elsif ($scheme =~ /^cvs/) {
	# CVS needs a relative path !
	my $dir=dirname($destdir);
	my $base=basename($destdir);
	# CVS also needs a modules name not a dir
	#if (-d $source) {
		$tmp1 = basename($source);
		#} else {
		#$tmp1 = dirname($source);
		#$tmp1 = basename($tmp1);
		#}
	my $optcvs = "";

	# If we're working on the CVS itself
	my $cvstag = basename($ENV{'PBROOTDIR'});
	my $cvsopt = "";
	if ($cvstag eq "cvs") {
		my $pbdate = strftime("%Y-%m-%d %H:%M:%S", @date);
		$cvsopt = "-D \"$pbdate\"";
	} else {
		# we're working on a tag which should be the last part of PBROOTDIR
		$cvsopt = "-r $cvstag";
	}
	pb_system("cd $dir ; cvs -d $account\@$host:$path export $cvsopt -d $base $tmp1","Exporting $tmp1 from $source under CVS to $destdir");
} else {
	die "cms $scheme unknown";
}
}


sub pb_create_authors {

my $authors=shift;
my $dest=shift;
my $scheme=shift;

return if ($authors eq "/dev/null");
open(SAUTH,$authors) || die "Unable to open $authors";
# Save a potentially existing AUTHORS file and write instead toi AUTHORS.pb 
my $ext = "";
if (-f "$dest/AUTHORS") {
	$ext = ".pb";
}
open(DAUTH,"> $dest/AUTHORS$ext") || die "Unable to create $dest/AUTHORS$ext";
print DAUTH "Authors of the project are:\n";
print DAUTH "===========================\n";
while (<SAUTH>) {
	my ($nick,$gcos) = split(/:/);
	chomp($gcos);
	print DAUTH "$gcos";
	if (defined $scheme) {
		# Do not give a scheme for flat types
		my $endstr="";
		if ("$ENV{'PBREVISION'}" ne "flat") {
			$endstr = " under $scheme";
		}
		print DAUTH " ($nick$endstr)\n";
	} else {
		print DAUTH "\n";
	}
}
close(DAUTH);
close(SAUTH);
}

sub pb_cms_log {

my $scheme = shift;
my $pkgdir = shift;
my $dest = shift;
my $chglog = shift;
my $authors = shift;

pb_create_authors($authors,$dest,$scheme);

if ($scheme =~ /^svn/) {
	if (! -f "$dest/ChangeLog") {
		if (-x "/usr/bin/svn2cl") {
			# In case we have no network, just create an empty one before to allow correct build
			open(CL,"> $dest/ChangeLog") || die "Unable to create $dest/ChangeLog";
			close(CL);
			pb_system("/usr/bin/svn2cl --group-by-day --authors=$authors -i -o $dest/ChangeLog $pkgdir","Generating ChangeLog from SVN with svn2cl");
		} else {
			# To be written from pbcl
			pb_system("svn log -v $pkgdir > $dest/$ENV{'PBCMSLOGFILE'}","Extracting log info from SVN");
		}
	}
} elsif (($scheme eq "file") || ($scheme eq "dir") || ($scheme eq "http") || ($scheme eq "ftp")) {
	if (! -f "$dest/ChangeLog") {
		pb_system("echo ChangeLog for $pkgdir > $dest/ChangeLog","Empty ChangeLog file created");
	}
} elsif ($scheme =~ /^cvs/) {
	my $tmp=basename($pkgdir);
	# CVS needs a relative path !
	if (! -f "$dest/ChangeLog") {
		if (-x "/usr/bin/cvs2cl") {
			# In case we have no network, just create an empty one before to allow correct build
			open(CL,"> $dest/ChangeLog") || die "Unable to create $dest/ChangeLog";
			close(CL);
			pb_system("/usr/bin/cvs2cl --group-by-day -U $authors -f $dest/ChangeLog $pkgdir","Generating ChangeLog from CVS with cvs2cl");
		} else {
			# To be written from pbcl
			pb_system("cvs log $tmp > $dest/$ENV{'PBCMSLOGFILE'}","Extracting log info from CVS");
		}
	}
} else {
	die "cms $scheme unknown";
}
}

# This function is only called with a real CMS system
sub pb_cms_get_uri {

my $scheme = shift;
my $dir = shift;

my $res = "";
my $void = "";

if ($scheme =~ /^svn/) {
	open(PIPE,"LANGUAGE=C svn info $dir |") || return("");
	while (<PIPE>) {
		($void,$res) = split(/^URL:/) if (/^URL:/);
	}
	$res =~ s/^\s*//;
	close(PIPE);
	chomp($res);
} elsif ($scheme =~ /^cvs/) {
	# This path is always the root path of CVS, but we may be below
	open(FILE,"$dir/CVS/Root") || die "$dir isn't CVS controlled";
	$res = <FILE>;
	chomp($res);
	close(FILE);
	# Find where we are in the tree
	my $rdir = $dir;
	while ((! -d "$rdir/CVSROOT") && ($rdir ne "/")) {
		$rdir = dirname($rdir);
	}
	die "Unable to find a CVSROOT dir in the parents of $dir" if (! -d "$rdir/CVSROOT");
	#compute our place under that root dir - should be a relative path
	$dir =~ s|^$rdir||;
	my $suffix = "";
	$suffix = "$dir" if ($dir ne "");

	my $prefix = "";
	if ($scheme =~ /ssh/) {
		$prefix = "cvs+ssh://";
	} else {
		$prefix = "cvs://";
	}
	$res = $prefix.$res.$suffix;
} else {
	die "cms $scheme unknown";
}
pb_log(2,"Found CMS info: $res\n");
return($res);
}

sub pb_cms_copy {
my $scheme = shift;
my $oldurl = shift;
my $newurl = shift;

if ($scheme =~ /^svn/) {
	pb_system("svn copy -m \"Creation of $newurl from $oldurl\" $oldurl $newurl","Copying $oldurl to $newurl ");
} elsif ($scheme eq "flat") {
} elsif ($scheme =~ /^cvs/) {
} else {
	die "cms $scheme unknown";
}
}

sub pb_cms_checkout {
my $scheme = shift;
my $url = shift;
my $destination = shift;

if ($scheme =~ /^svn/) {
	pb_system("svn co $url $destination","Checking out $url to $destination ");
} elsif (($scheme eq "ftp") || ($scheme eq "http")) {
	return;
} elsif ($scheme =~ /^cvs/) {
	pb_system("cvs co $url $destination","Checking out $url to $destination ");
} else {
	die "cms $scheme unknown";
}
}

sub pb_cms_checkin {
my $scheme = shift;
my $dir = shift;

my $ver = basename($dir);
if ($scheme =~ /^svn/) {
	pb_system("svn ci -m \"Updated to $ver\" $dir","Checking in $dir");
	pb_system("svn up $dir","Updating $dir");
} elsif ($scheme eq "flat") {
} elsif ($scheme =~ /^cvs/) {
} else {
	die "cms $scheme unknown";
}
}

sub pb_cms_isdiff {
my $scheme = shift;
my $dir =shift;

if ($scheme =~ /^svn/) {
	open(PIPE,"svn diff $dir |") || die "Unable to get svn diff from $dir";
	my $l = 0;
	while (<PIPE>) {
		$l++;
	}
	return($l);
} elsif ($scheme eq "flat") {
} elsif ($scheme =~ /^cvs/) {
	open(PIPE,"cvs diff $dir |") || die "Unable to get svn diff from $dir";
	my $l = 0;
	while (<PIPE>) {
		# Skipping normal messages
		next if (/^cvs diff:/);
		$l++;
	}
	return($l);
} else {
	die "cms $scheme unknown";
}
}

# Get all filters to apply
# They're cumulative from less specific to most specific
# suffix is .pbf

sub pb_get_filters {

my @ffiles;
my ($ffile00, $ffile0, $ffile1, $ffile2, $ffile3);
my ($mfile00, $mfile0, $mfile1, $mfile2, $mfile3);
my $pbpkg = shift || die "No package specified";
my $dtype = shift || "";
my $dfam = shift || "";
my $ddir = shift || "";
my $dver = shift || "";
my $ptr = undef; # returned value pointer on the hash of filters
my %h;

# Global filter files first, then package specificities
if (-d "$ENV{'PBROOTDIR'}/pbfilter") {
	$mfile00 = "$ENV{'PBROOTDIR'}/pbfilter/all.pbf" if (-f "$ENV{'PBROOTDIR'}/pbfilter/all.pbf");
	$mfile0 = "$ENV{'PBROOTDIR'}/pbfilter/$dtype.pbf" if (-f "$ENV{'PBROOTDIR'}/pbfilter/$dtype.pbf");
	$mfile1 = "$ENV{'PBROOTDIR'}/pbfilter/$dfam.pbf" if (-f "$ENV{'PBROOTDIR'}/pbfilter/$dfam.pbf");
	$mfile2 = "$ENV{'PBROOTDIR'}/pbfilter/$ddir.pbf" if (-f "$ENV{'PBROOTDIR'}/pbfilter/$ddir.pbf");
	$mfile3 = "$ENV{'PBROOTDIR'}/pbfilter/$ddir-$dver.pbf" if (-f "$ENV{'PBROOTDIR'}/pbfilter/$ddir-$dver.pbf");

	push @ffiles,$mfile00 if (defined $mfile00);
	push @ffiles,$mfile0 if (defined $mfile0);
	push @ffiles,$mfile1 if (defined $mfile1);
	push @ffiles,$mfile2 if (defined $mfile2);
	push @ffiles,$mfile3 if (defined $mfile3);
}

if (-d "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter") {
	$ffile00 = "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/all.pbf" if (-f "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/all.pbf");
	$ffile0 = "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$dtype.pbf" if (-f "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$dtype.pbf");
	$ffile1 = "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$dfam.pbf" if (-f "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$dfam.pbf");
	$ffile2 = "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$ddir.pbf" if (-f "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$ddir.pbf");
	$ffile3 = "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$ddir-$dver.pbf" if (-f "$ENV{'PBROOTDIR'}/$pbpkg/pbfilter/$ddir-$dver.pbf");

	push @ffiles,$ffile00 if (defined $ffile00);
	push @ffiles,$ffile0 if (defined $ffile0);
	push @ffiles,$ffile1 if (defined $ffile1);
	push @ffiles,$ffile2 if (defined $ffile2);
	push @ffiles,$ffile3 if (defined $ffile3);
}
if (@ffiles) {
	pb_log(2,"DEBUG ffiles: ".Dumper(\@ffiles)."\n");

	foreach my $f (@ffiles) {
		open(CONF,$f) || next;
		while(<CONF>)  {
			if (/^\s*([A-z0-9-_]+)\s+([[A-z0-9-_]+)\s*=\s*(.+)$/) {
				$h{$1}{$2}=$3;
			}
		}
		close(CONF);

		$ptr = $h{"filter"};
		pb_log(2,"DEBUG f:".Dumper($ptr)."\n");
	}
}
return($ptr);
}

# Function which applies filter on pb build files
sub pb_filter_file_pb {

my $f=shift;
my $ptr=shift;
my %filter=%$ptr;
my $destfile=shift;
my $dtype=shift;
my $pbsuf=shift;
my $pbproj=shift;
my $pbpkg=shift;
my $pbver=shift;
my $pbtag=shift;
my $pbrev=shift;
my $pbdate=shift;
my $defpkgdir = shift;
my $extpkgdir = shift;
my $pbpackager = shift;
my $chglog = shift || undef;

pb_log(2,"DEBUG: From $f to $destfile\n");
pb_mkdir_p(dirname($destfile)) if (! -d dirname($destfile));
open(DEST,"> $destfile") || die "Unable to create $destfile";
open(FILE,"$f") || die "Unable to open $f: $!";
while (<FILE>) {
	my $line = $_;
	foreach my $s (keys %filter) {
		# Process single variables
		pb_log(2,"DEBUG filter{$s}: $filter{$s}\n");
		my $tmp = $filter{$s};
		next if (not defined $tmp);
		# Expand variables if any single one found
		pb_log(2,"DEBUG tmp: $tmp\n");
		if ($tmp =~ /\$/) {
			eval { $tmp =~ s/(\$\w+)/$1/eeg };
		# special case for ChangeLog only for pb
		} elsif (($s =~ /^PBLOG$/) && ($line =~ /^PBLOG$/)) {
			my $p = $defpkgdir->{$pbpkg};
			$p = $extpkgdir->{$pbpkg} if (not defined $p);
			pb_changelog($dtype, $pbpkg, $pbver, $pbtag, $pbsuf, $p, \*DEST, $tmp, $chglog);
			$tmp = "";
		}
		$line =~ s|$s|$tmp|;
	}
	print DEST $line;
}
close(FILE);
close(DEST);
}

# Function which applies filter on files (external call)
sub pb_filter_file_inplace {

my $ptr=shift;
my %filter=%$ptr;
my $destfile=shift;
my $pbproj=shift;
my $pbpkg=shift;
my $pbver=shift;
my $pbtag=shift;
my $pbrev=shift;
my $pbdate=shift;
my $pbpackager=shift;

my $cp = "$ENV{'PBTMP'}/".basename($destfile);
copy($destfile,$cp) || die "Unable to create $cp";

pb_filter_file($cp,$ptr,$destfile,$pbproj,$pbpkg,$pbver,$pbtag,$pbrev,$pbdate,$pbpackager);
unlink $cp;
}

# Function which applies filter on files (external call)
sub pb_filter_file {

my $f=shift;
my $ptr=shift;
my %filter=%$ptr;
my $destfile=shift;
my $pbproj=shift;
my $pbpkg=shift;
my $pbver=shift;
my $pbtag=shift;
my $pbrev=shift;
my $pbdate=shift;
my $pbpackager=shift;

pb_log(2,"DEBUG: From $f to $destfile\n");
pb_mkdir_p(dirname($destfile)) if (! -d dirname($destfile));
open(DEST,"> $destfile") || die "Unable to create $destfile";
open(FILE,"$f") || die "Unable to open $f: $!";
while (<FILE>) {
	my $line = $_;
	foreach my $s (keys %filter) {
		# Process single variables
		pb_log(2,"DEBUG filter{$s}: $filter{$s}\n");
		my $tmp = $filter{$s};
		next if (not defined $tmp);
		# Expand variables if any single one found
		if ($tmp =~ /\$/) {
			eval { $tmp =~ s/(\$\w+)/$1/eeg };
		}
		$line =~ s|$s|$tmp|;
	}
	print DEST $line;
}
close(FILE);
close(DEST);
}

sub pb_log_init {

$debug = shift || 0;
$LOG = shift || \*STDOUT;

} 

sub pb_log {

my $dlevel = shift;
my $msg = shift;

print $LOG "$msg" if ($dlevel <= $debug);
}

# 
# Return the list of packages we are working on in a CMS action
#
sub pb_cms_get_pkg {

my @pkgs = ();
my $defpkgdir = shift || undef;
my $extpkgdir = shift || undef;

# Get packages list
if (not defined $ARGV[0]) {
	@pkgs = keys %$defpkgdir if (defined $defpkgdir);
} elsif ($ARGV[0] =~ /^all$/) {
	@pkgs = keys %$defpkgdir if (defined $defpkgdir);
	push(@pkgs, keys %$extpkgdir) if (defined $extpkgdir);
} else {
	@pkgs = @ARGV;
}
pb_log(0,"Packages: ".join(',',@pkgs)."\n");
return(\@pkgs);
}

# 
# Return the list of packages we are working on in a non CMS action
#
sub pb_get_pkg {

my @pkgs = ();

my ($var) = pb_conf_read("$ENV{'PBDESTDIR'}/$ENV{'PBPROJVER'}-$ENV{'PBPROJTAG'}.pb","pbpkg");
@pkgs = keys %$var;

pb_log(0,"Packages: ".join(',',@pkgs)."\n");
return(\@pkgs);
}

#
# Check pbconf/project cms compliance
#
sub pb_cms_compliant {

my $param = shift;
my $envar = shift;
my $defdir = shift;
my $uri = shift;
my $pbinit = shift;
my %pdir;

my ($pdir) = pb_conf_get_if($param) if (defined $param);
if (defined $pdir) {
	%pdir = %$pdir;
}


if ((defined $pdir) && (%pdir) && (defined $pdir{$ENV{'PBPROJ'}})) {
	# That's always the environment variable that will be used
	$ENV{$envar} = $pdir{$ENV{'PBPROJ'}};
} else {
	if (defined $param) {
		pb_log(1,"WARNING: no $param defined, using $defdir\n");
		pb_log(1,"         Please create a $param reference for project $ENV{'PBPROJ'} in $ENV{'PBETC'}\n");
		pb_log(1,"         if you want to use another directory\n");
	}
	$ENV{$envar} = "$defdir";
}

# Expand potential env variable in it
eval { $ENV{$envar} =~ s/(\$ENV.+\})/$1/eeg };
pb_log(2,"$envar: $ENV{$envar}\n");

my ($scheme, $account, $host, $port, $path) = pb_get_uri($uri);

if ((! -d "$ENV{$envar}") || (defined $pbinit)) {
	if (defined $pbinit) {
		pb_mkdir_p("$ENV{$envar}");
	} else {
		pb_log(1,"Checking out $uri\n");
		pb_cms_checkout($scheme,$uri,$ENV{$envar});
	}
} elsif (($scheme !~ /^cvs/) || ($scheme !~ /^svn/)) {
	# Do not compare if it's not a real cms
	return;
} else {
	pb_log(1,"$uri found locally, checking content\n");
	my $cmsurl = pb_cms_get_uri($scheme,$ENV{$envar});
	my ($scheme2, $account2, $host2, $port2, $path2) = pb_get_uri($cmsurl);
	if ($cmsurl ne $uri) {
		# The local content doesn't correpond to the repository
		pb_log(0,"ERROR: Inconsistency detected:\n");
		pb_log(0,"       * $ENV{$envar} refers to $cmsurl but\n");
		pb_log(0,"       * $ENV{'PBETC'} refers to $uri\n");
		die "Project $ENV{'PBPROJ'} is not Project-Builder compliant.";
	} else {
		pb_log(1,"Content correct - doing nothing - you may want to update your repository however\n");
		# they match - do nothing - there may be local changes
	}
}
}

sub pb_changelog {

my $dtype = shift;
my $pkg = shift;
my $pbver = shift;
my $pbtag = shift;
my $dsuf = shift;
my $path = shift;
my $OUTPUT = shift;
my $doit = shift;
my $chglog = shift || undef;

my $log = "";

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

if ((not (defined $dtype)) || ($dtype eq "") || 
		(not (defined $pkg)) || ($pkg eq "") || 
		(not (defined $pbver)) || ($pbver eq "") || 
		(not (defined $pbtag)) || ($pbtag eq "") || 
		(not (defined $dsuf)) || ($dsuf eq "") || 
		(not (defined $path)) || ($path eq "") || 
		(not (defined $OUTPUT)) || ($OUTPUT eq "") ||
		(not (defined $doit)) || ($doit eq "")) {
	print $OUTPUT "\n";
	return;
}

if (((not defined $chglog) || (! -f $chglog)) && ($doit eq "yes")) {
	#pb_log(2,"No ChangeLog file ($chglog) for $pkg\n";
	print $OUTPUT "\n";
	return;
}

my $date;
my $ndate;
my $n2date;
my $ver;
my $ver2;
my ($pbpackager) = pb_conf_get("pbpackager");

if (not defined $pbpackager->{$ENV{'PBPROJ'}}) {
	$pbpackager->{$ENV{'PBPROJ'}} = "undefined\@noproject.noorg";
}

# If we don't need to do it, or don't have it fake something
if (((not defined $chglog) || (! -f $chglog)) && ($doit ne "yes")) {
	my @date=(localtime->sec(), localtime->min(), localtime->hour(), localtime->mday(), localtime->mon(), localtime->year(), localtime->wday(), localtime->yday(), localtime->isdst());
	$date = strftime("%Y-%m-%d", @date);
	$ndate = UnixDate($date,"%a", "%b", "%d", "%Y");
	$n2date = &UnixDate($date,"%a, %d %b %Y %H:%M:%S %z");
	if (($dtype eq "rpm") || ($dtype eq "fc")) {
		$ver2 = "$pbver-$pbtag$dsuf";
		print $OUTPUT "* $ndate $pbpackager->{$ENV{'PBPROJ'}} $ver2\n";
		print $OUTPUT "- Updated to $pbver\n";
		}
	if ($dtype eq "deb") {
		print $OUTPUT "$pkg ($pbver) unstable; urgency=low\n";
		print $OUTPUT "\n";
		print $OUTPUT " -- $pbpackager->{$ENV{'PBPROJ'}}  $n2date\n\n\n";
		}
	return;
}

open(INPUT,"$chglog") || die "Unable to open $chglog (read)";

# Skip first 4 lines
my $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/\(([0-9-]+)\)/$1/;
	#pb_log(2,"**$date**\n";
	$ndate = UnixDate($date,"%a", "%b", "%d", "%Y");
	$n2date = &UnixDate($date,"%a, %d %b %Y %H:%M:%S %z");
	#pb_log(2,"**$ndate**\n";

	if (($dtype eq "rpm") || ($dtype eq "fc")) {
		if ($ver !~ /-/) {
			if ($first eq 1) {
				$ver2 = "$ver-$pbtag$dsuf";
				$first=0;
			} else {
				$ver2 = "$ver-1$dsuf";
			}
		} else {
			$ver2 = "$ver$dsuf";
		}
		print $OUTPUT "* $ndate $pbpackager->{$ENV{'PBPROJ'}} $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") {
			$tmp =~ s/^- //;
			print $OUTPUT "  * $tmp";
		} elsif ($dtype eq "rpm") {
			print $OUTPUT "$tmp";
		} else {
			print $OUTPUT "$tmp";
		}
		last if (eof(INPUT));
		$tmp = <INPUT>;
	}
	print $OUTPUT "\n";

	if ($dtype eq "deb") {
		# Cf: http://www.debian.org/doc/debian-policy/ch-source.html#s-dpkgchangelog
		print $OUTPUT " -- $pbpackager->{$ENV{'PBPROJ'}}  $n2date\n\n\n";
		}

	last if (eof(INPUT));
	last if ($dtype eq "announce");
}
close(INPUT);
}
1;