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

use strict;
use lib qw (lib);
use File::Basename;
use File::Path;
use File::Temp qw /tempdir/;
use Data::Dumper;

use ProjectBuilder::Changelog qw (pb_changelog);

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

sub pb_env_init {

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

# For the moment not dynamic
my $debug = 0;					# Debug level
my $LOG = *STDOUT;				# Where to log

#
# 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 pbrc file for that project 
# and use its content
#
my ($pbrc) = pb_conf_read("$ENV{'PBETC'}","pbrc");
print "DEBUG pbrc: ".Dumper($pbrc)."\n" if ($debug >= 1);

my %pbrc = %$pbrc;
if (not defined $proj) {
	# Take the first as the default project
	$proj = (keys %pbrc)[0];
	print $LOG "Using $proj as default project as none has been specified\n" if (($debug >= 0) and (defined $proj));
}
die "No project defined - use env var PBPROJ or -p proj" if (not (defined $proj));

#
# Set delivery directory
#
if (not defined ($pbrc{$proj})) {
	die "Please create a pbrc reference for project $proj in $ENV{'PBETC'}\n";
}

my $topdir=dirname($pbrc{$proj});
# Expand potential env variable in it
eval { $topdir =~ s/(\$ENV.+\})/$1/eeg };
chdir $topdir || die "Unable to change directory to $topdir";
$pbrc{$proj} = $topdir."/pbrc";
$ENV{'PBDESTDIR'}=$topdir."/delivery";

#
# Use project configuration file if needed
#
if (not defined $ENV{'PBROOT'}) {
	if (-f $pbrc{$proj}) {
		my ($pbroot) = pb_conf_read($pbrc{$proj},"pbroot");
		my %pbroot = %$pbroot;
		# All lines should point to the same pbroot so take the first
		$ENV{'PBROOT'} = (values %$pbroot)[0] if (defined $pbroot); 
		print $LOG "Using $ENV{'PBROOT'} as default pbroot from $pbrc{$proj}\n" if (($debug >= 0) and (defined $ENV{'PBROOT'}));
	}
	die "No pbroot defined - use env var PBROOT or -r pbroot " if (not defined $ENV{'PBROOT'});
}

#
# Check pb conf compliance
#
$ENV{'PBCONF'} = "$ENV{'PBROOT'}/pbconf";
if (defined $pbinit) {
	print $LOG "Creating $ENV{'PBCONF'} directory\n";
	pb_mkdir_p("$ENV{'PBCONF'}");
	}
die "Project $proj not Project-Builder compliant. Please populate $ENV{'PBCONF'}" if ( not -d "$ENV{'PBCONF'}");

my %version = ();
my %defpkgdir = ();
my %extpkgdir = ();
my %filteredfiles = ();
my %supfiles = ();

if ((-f "$ENV{'PBCONF'}/$proj.pb") and (not defined $pbinit)) {
	# List of pkg to build by default (mandatory)
	# List of additional pkg to build when all is called (optional)
	# Valid version names (optional)
	# List of files to filter (optional)
	my ($defpkgdir, $extpkgdir, $version, $filteredfiles, $supfiles, $pkgv, $pkgt) = pb_conf_read("$ENV{'PBCONF'}/$proj.pb","defpkgdir","extpkgdir","version","filteredfiles","supfiles","projver","projtag");
	print "DEBUG: defpkgdir: ".Dumper($defpkgdir)."\n" if ($debug >= 1);
	print "DEBUG: extpkgdir: ".Dumper($extpkgdir)."\n" if ($debug >= 1);
	print "DEBUG: version: ".Dumper($version)."\n" if ($debug >= 1);
	print "DEBUG: filteredfiles: ".Dumper($filteredfiles)."\n" if ($debug >= 1);
	print "DEBUG: supfiles: ".Dumper($supfiles)."\n" if ($debug >= 1);
	die "Unable to find defpkgdir in $ENV{'PBCONF'}/$proj.pb" if (not defined $defpkgdir);
	# Global
	%defpkgdir = %$defpkgdir;
	# Global
	%extpkgdir = %$extpkgdir if (defined $extpkgdir);
	%version = %$version if (defined $version);
	# Global
	%filteredfiles = %$filteredfiles if (defined $filteredfiles);
	%supfiles = %$supfiles if (defined $supfiles);
	#
	# Get global Version/Tag
	#

	if (not defined $ENV{'PBVER'}) {
		if ((defined $pkgv) && (defined $pkgv->{$proj})) {
			$ENV{'PBVER'}=$pkgv->{$proj};
		} else {
			die "No projver found in $ENV{'PBCONF'}/$proj.pb";
		}
	}
	die "Invalid version name $ENV{'PBVER'} in $ENV{'PBCONF'}/$proj.pb" if (($ENV{'PBVER'} !~ /[0-9.]+/) && (not defined $version) && ($ENV{'PBVER'} =~ /$version{$proj}/));
	
	if (not defined $ENV{'PBTAG'}) {
		if ((defined $pkgt) && (defined $pkgt->{$proj})) {
			$ENV{'PBTAG'}=$pkgt->{$proj};
		} else {
			die "No projtag found in $ENV{'PBCONF'}/$proj.pb";
		}
	}
	die "Invalid tag name $ENV{'PBTAG'} in $ENV{'PBCONF'}/$proj.pb" if ($ENV{'PBTAG'} !~ /[0-9.]+/);
} else {
	if (defined $pbinit) {
		open(CONF,"> $ENV{'PBCONF'}/$proj.pb") || die "Unable to create $ENV{'PBCONF'}/$proj.pb";
		print CONF << "EOF";
#
# Project Builder configuration file
# For project $proj
#
# \$Id\$
#

#
# Which CMS system is used (Subversion, CVS or tar file content extracted)
#
#cms $proj = svn
#cms $proj = cvs
#cms $proj = flat

#
# Packager label
#
#packager $proj = "William Porte <bill\@$proj.org>"
#

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

#
# For Virtual machines management
# Naming convention to follow: distribution name (as per ProjectBuilder::Distribution)
# followed by '_' and by release number
# a .vmtype extension will be added to the resulting string
# a QEMU rhel_3 here means that the VM will be named rhel_3.qemu
#
#vmlist $proj = mandrake_10.1,mandrake_10.2,mandriva_2006.0,mandriva_2007.0,mandriva_2007.1,mandriva_2008.0,redhat_7.3,redhat_9,fedora_4,fedora_5,fedora_6,fedora_7,rhel_3,rhel_4,rhel_5,suse_10.0,suse_10.1,suse_10.2,suse_10.3,sles_9,sles_10,gentoo_nover,debian_3.1,debian_4.0,ubuntu_6.06,ubuntu_7.04,ubuntu_7.10

#
# Valid values for vmtype are
# qemu, (vmware, xen, ... TBD)
#vmtype $proj = qemu

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

# We suppose we can commmunicate with the VM through SSH
#vmhost $proj = localhost
#vmlogin $proj = pb
#vmport $proj = 2222

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

# per VMs needed paramaters
#vmopt $proj = -m 384 -daemonize
#vmpath $proj = /home/qemu
#vmsize $proj = 5G

#
# Global version/tag for the project
#
#projver $proj = devel
#projtag $proj = 1

# Adapt to your needs:
# Optional if you need to overwrite the global values above
#
#pkgver pkg1 = stable
#pkgtag pkg1 = 3
#pkgver nil
#pkgtag nil

# Hash of default package/package directory
#defpkgdir pkg1 = pkg1dir

# Hash of additional package/package directory
#extpkgdir pkg1-doc = pkg1-docdir

# Hash of valid version names
#version devel
#version stable

# List of files per pkg on which to apply filters
# Files are mentioned relatively to pbroot/defpkgdir
#filteredfiles pkg1 = Makefile.PL
#filteredfiles pkg1-doc = configure.in
#supfiles pkg1 = pkg1.init
EOF
		close(CONF);
		pb_mkdir_p("$ENV{'PBCONF'}/pbfilter") || die "Unable to create $ENV{'PBCONF'}/pbfilter";
		open(CONF,"> $ENV{'PBCONF'}/pbfilter/all.pbf") || die "Unable to create $ENV{'PBCONF'}/pbfilter/all.pbf";
		print CONF << "EOF";
#
# \$Id\$
#
# Filter for all files
#
# PBSRC is replaced by the source package format
#filter PBSRC = ftp://ftp.$proj.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.$proj.org
EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pbfilter/rpm.pbf") || die "Unable to create $ENV{'PBCONF'}/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

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

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

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

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

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

# 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 =

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

# 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

EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pbfilter/md.pbf") || die "Unable to create $ENV{'PBCONF'}/pbfilter/md.pbf";
		print CONF << "EOF";
# Specific group for Mandriva for $proj
filter PBGRP = Archiving/Backup
EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pbfilter/novell.pbf") || die "Unable to create $ENV{'PBCONF'}/pbfilter/novell.pbf";
		print CONF << "EOF";
# Specific group for SuSE for $proj
filter PBGRP = Productivity/Archiving/Backup
EOF
		close(CONF);
		pb_mkdir_p("$ENV{'PBCONF'}/pkg1/deb") || die "Unable to create $ENV{'PBCONF'}/pkg1/deb";
		open(CONF,"> $ENV{'PBCONF'}/pkg1/deb/control") || die "Unable to create $ENV{'PBCONF'}/pkg1/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{'PBCONF'}/pkg1/deb/copyright") || die "Unable to create $ENV{'PBCONF'}/pkg1/deb/copyright";
		print CONF << "EOF";
This package is debianized by PBPACKAGER
`date`

The current upstream source was downloaded from
ftp://ftp.$proj.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{'PBCONF'}/pkg1/deb/changelog") || die "Unable to create $ENV{'PBCONF'}/pkg1/deb/changelog";
		print CONF << "EOF";
PBLOG
EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pkg1/deb/compat") || die "Unable to create $ENV{'PBCONF'}/pkg1/deb/compat";
		print CONF << "EOF";
4
EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pkg1/deb/pkg1.dirs") || die "Unable to create $ENV{'PBCONF'}/pkg1/deb/pkg1.dirs";
		print CONF << "EOF";
EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pkg1/deb/pkg1.docs") || die "Unable to create $ENV{'PBCONF'}/pkg1/deb/pkg1.docs";
		print CONF << "EOF";
INSTALL
COPYING
AUTHORS
NEWS
README
EOF
		close(CONF);
		open(CONF,"> $ENV{'PBCONF'}/pkg1/deb/rules") || die "Unable to create $ENV{'PBCONF'}/pkg1/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{'PBCONF'}/pkg1/rpm") || die "Unable to create $ENV{'PBCONF'}/pkg1/rpm";
		open(CONF,"> $ENV{'PBCONF'}/pkg1/rpm/pkg1.spec") || die "Unable to create $ENV{'PBCONF'}/pkg1/rpm/pkg1.spec";
		print CONF << 'EOF';
#
# $Id$
#

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

Name:           PBPKG
Version:        PBVER
Release:        PBTAGPBSUF
License:        GPL
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{'PBCONF'}/pkg1/pbfilter") || die "Unable to create $ENV{'PBCONF'}/pkg1/pbfilter";

		print "\nDo not to forget to commit the pbconf directory in your CMS if needed\n";
		print "After having renamed the pkg1 directory to your package's name      \n\n";
	} else {
		die "Unable to open $ENV{'PBCONF'}/$proj.pb";
	}
}

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

#
# Removes all directory existing below the delivery dir 
# as they are temp dir only
# Files stay and have to be cleaned up manually
#
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
#
$ENV{'PBBUILDDIR'}=$topdir."/build";
if (! -d "$ENV{'PBBUILDDIR'}") {
	pb_mkdir_p($ENV{'PBBUILDDIR'}) || die "Unable to recursively create $ENV{'PBBUILDDIR'}";
}

umask 0022;
return($proj,$debug,$LOG,\%pbrc, \%filteredfiles, \%supfiles, \%defpkgdir, \%extpkgdir);
}

# 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;

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

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 = @_;

# Everything is returned via ptr1
my @ptr1 = pb_conf_read("$ENV{'PBETC'}", @param);
my @ptr2 = pb_conf_read("$ENV{'PBCONF'}/$ENV{'PBPROJ'}.pb", @param);

my $p1;
my $p2;

#print "DEBUG: param1: ".Dumper(@ptr1)."\n"; # if ($debug >= 1);
#print "DEBUG: param2: ".Dumper(@ptr2)."\n"; # if ($debug >= 1);

foreach my $i (0..$#param) {
	$p1 = $ptr1[$i];
	$p2 = $ptr2[$i];
	die "No $param[$i] defined for $ENV{'PBPROJ'}" if ((not @ptr1) && (not @ptr2));
	die "No $param[$i] defined for $ENV{'PBPROJ'}" if ((not defined $p1) && (not defined $p2));
	# 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'}});
	} 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'}});
			$p1->{$ENV{'PBPROJ'}} = $p2->{$ENV{'PBPROJ'}};
		} 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'}};
				} else {
					$p1->{$ENV{'PBPROJ'}} = $p1->{'default'};
				}
			}
		}
	}
	die "No $param[$i] defined for $ENV{'PBPROJ'}" if (not defined $p1->{$ENV{'PBPROJ'}});
	$ptr1[$i] = $p1;
	#print "DEBUG: param ptr1: ".Dumper(@ptr1)."\n"; # if ($debug >= 1);
}
return(@ptr1);
}

# 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;

my $debug = 0;

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

for my $param (@param) {
	push @ptr,$h{$param};
}
print "DEBUG: h:".Dumper(%h)." param:".Dumper(@param)." ptr:".Dumper(@ptr)."\n" if ($debug >= 1);
return(@ptr);
}

# Setup environment for CMS system
sub pb_cms_init {

my $proj = shift || undef;
my $ret;

my ($cms) = pb_conf_get("cms");

if ($cms->{$proj} eq "svn") {
	$ENV{'PBREVISION'}=`(cd "$ENV{'PBROOT'}" ; svnversion .)`;
	chomp($ENV{'PBREVISION'});
	$ENV{'PBCMSLOGFILE'}="svn.log";
} elsif ($cms->{$proj} eq "flat") {
	$ENV{'PBREVISION'}="flat";
	$ENV{'PBCMSLOGFILE'}="flat.log";
} elsif ($cms->{$proj} eq "cvs") {
	# Way too slow
	#$ENV{'PBREVISION'}=`(cd "$ENV{'PBROOT'}" ; cvs rannotate  -f . 2>&1 | awk '{print \$1}' | grep -E '^[0-9]' | cut -d. -f2 |sort -nu | tail -1)`;
	#chomp($ENV{'PBREVISION'});
	$ENV{'PBREVISION'}="CVS";
	$ENV{'PBCMSLOGFILE'}="cvs.log";
	#
	# Export content if needed
	#
	my ($cvsroot,$cvsrsh) = pb_conf_get("cvsroot","cvsrsh");
	$ENV{'CVSROOT'} = $cvsroot->{$proj} if (defined $cvsroot->{$proj});
	$ENV{'CVS_RSH'} = $cvsrsh->{$proj} if (defined $cvsrsh->{$proj});
} else {
	die "cms $cms->{$proj} unknown";
}
return($cms);
}

sub pb_cms_export {
my $cms = shift;
my $pbdate = shift || undef;
my $source = shift;
my $destdir = shift;
my $tmp;
my $tmp1;

if ($cms->{$ENV{'PBPROJ'}} eq "svn") {
	if (-d $source) {
		$tmp = $destdir;
	} else {
		$tmp = $destdir."/".basename($source);
	}
	pb_system("svn export $source $tmp","Exporting $source from SVN to $tmp");
} elsif ($cms->{$ENV{'PBPROJ'}} eq "flat") {
	if (-d $source) {
		$tmp = $destdir;
	} else {
		$tmp = $destdir."/".basename($source);
	}
	pb_system("cp -a $source $tmp","Exporting $source from DIR to $tmp");
} elsif ($cms->{$ENV{'PBPROJ'}} eq "cvs") {
	my $dir=dirname($destdir);
	my $base=basename($destdir);
	if (-d $source) {
		$tmp1 = $source;
		$tmp1 =~ s|$ENV{'PBROOT'}/||;
	} else {
		$tmp1 = dirname($source);
		$tmp1 =~ s|$ENV{'PBROOT'}/||;
		$tmp1 = $tmp1."/".basename($source);
	}
	# CVS needs a relative path !
	pb_system("cd $dir ; cvs export -D \"$pbdate\" -d $base $tmp1","Exporting $source from CVS to $destdir");
} else {
	die "cms $cms->{$ENV{'PBPROJ'}} unknown";
}
}


sub pb_create_authors {

my $authors=shift;
my $dest=shift;
my $cms=shift;

return if ($authors eq "/dev/null");
open(SAUTH,$authors) || die "Unable to open $authors";
open(DAUTH,"> $dest/AUTHORS") || die "Unable to create $dest/AUTHORS";
print DAUTH "Authors of the project are:\n";
print DAUTH "===========================\n";
while (<SAUTH>) {
	my ($nick,$gcos) = split(/:/);
	chomp($gcos);
	print DAUTH "$gcos";
	if (defined $cms) {
		print DAUTH " ($nick under $cms)\n";
	} else {
		print DAUTH "\n";
	}
}
close(DAUTH);
close(SAUTH);
}

sub pb_cms_log {
my $cms = shift;
my $pkgdir = shift;
my $dest = shift;
my $chglog = shift;
my $authors = shift;

pb_create_authors($authors,$dest,$cms->{$ENV{'PBPROJ'}});

if ($cms->{$ENV{'PBPROJ'}} eq "svn") {
	if (! -f "$dest/ChangeLog") {
		if (-x "/usr/bin/svn2cl") {
			pb_system("/usr/bin/svn2cl --group-by-day --authors=$authors -i -o $dest/ChangeLog $pkgdir","Generating ChangeLog from SVN");
		} else {
			# To be written from pbcl
			pb_system("svn log -v $pkgdir > $dest/$ENV{'PBCMSLOGFILE'}","Extracting log info from SVN");
		}
	}
} elsif ($cms->{$ENV{'PBPROJ'}} eq "flat") {
	if (! -f "$dest/ChangeLog") {
		pb_system("echo ChangeLog for $pkgdir > $dest/ChangeLog","Empty ChangeLog file created");
	}
} elsif ($cms->{$ENV{'PBPROJ'}} eq "cvs") {
	my $tmp=basename($pkgdir);
	# CVS needs a relative path !
	if (! -f "$dest/ChangeLog") {
		if (-x "/usr/bin/cvs2cl") {
			pb_system("/usr/bin/cvs2cl --group-by-day -U $authors -f $dest/ChangeLog $pkgdir","Generating ChangeLog from CVS");
		} else {
			# To be written from pbcl
			pb_system("cvs log $tmp > $dest/$ENV{'PBCMSLOGFILE'}","Extracting log info from CVS");
		}
	}
} else {
	die "cms $cms->{$ENV{'PBPROJ'}} unknown";
}
}

sub pb_cms_getinfo {
my $cms = shift;
my $url = "";
my $void = "";

if ($cms->{$ENV{'PBPROJ'}} eq "svn") {
	open(PIPE,"LANGUAGE=C svn info $ENV{'PBROOT'} |") || die "Unable to get svn info from $ENV{'PBROOT'}";
	while (<PIPE>) {
		($void,$url) = split(/^URL:/) if (/^URL:/);
	}
	close(PIPE);
	chomp($url);
} elsif ($cms->{$ENV{'PBPROJ'}} eq "flat") {
} elsif ($cms->{$ENV{'PBPROJ'}} eq "cvs") {
} else {
	die "cms $cms->{$ENV{'PBPROJ'}} unknown";
}
return($url);
}

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

if ($cms->{$ENV{'PBPROJ'}} eq "svn") {
	pb_system("svn copy -m \"Creation of $newurl from $oldurl\" $oldurl $newurl","Copying $oldurl to $newurl ");
} elsif ($cms->{$ENV{'PBPROJ'}} eq "flat") {
} elsif ($cms->{$ENV{'PBPROJ'}} eq "cvs") {
} else {
	die "cms $cms->{$ENV{'PBPROJ'}} unknown";
}
}

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

if ($cms->{$ENV{'PBPROJ'}} eq "svn") {
	pb_system("svn co $url $destination","Checking $url to $destination ");
} elsif ($cms->{$ENV{'PBPROJ'}} eq "flat") {
} elsif ($cms->{$ENV{'PBPROJ'}} eq "cvs") {
} else {
	die "cms $cms->{$ENV{'PBPROJ'}} unknown";
}
}

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

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

sub pb_cms_isdiff {
my $cms = shift;

if ($cms->{$ENV{'PBPROJ'}} eq "svn") {
	open(PIPE,"svn diff $ENV{'PBROOT'} |") || die "Unable to get svn diff from $ENV{'PBROOT'}";
	my $l = 0;
	while (<PIPE>) {
		$l++;
	}
	return($l);
} elsif ($cms->{$ENV{'PBPROJ'}} eq "flat") {
} elsif ($cms->{$ENV{'PBPROJ'}} eq "cvs") {
} else {
	die "cms $cms->{$ENV{'PBPROJ'}} unknown";
}
}

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

sub pb_get_filters {

# For the moment not dynamic
my $debug = 0;					# Debug level
my $LOG = *STDOUT;				# Where to log

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; # returned value pointer on the hash of filters
my %ptr;
my %h;

# Global filter files first, then package specificities
if (-d "$ENV{'PBCONF'}/pbfilter") {
	$mfile00 = "$ENV{'PBCONF'}/pbfilter/all.pbf" if (-f "$ENV{'PBCONF'}/pbfilter/all.pbf");
	$mfile0 = "$ENV{'PBCONF'}/pbfilter/$dtype.pbf" if (-f "$ENV{'PBCONF'}/pbfilter/$dtype.pbf");
	$mfile1 = "$ENV{'PBCONF'}/pbfilter/$dfam.pbf" if (-f "$ENV{'PBCONF'}/pbfilter/$dfam.pbf");
	$mfile2 = "$ENV{'PBCONF'}/pbfilter/$ddir.pbf" if (-f "$ENV{'PBCONF'}/pbfilter/$ddir.pbf");
	$mfile3 = "$ENV{'PBCONF'}/pbfilter/$ddir-$dver.pbf" if (-f "$ENV{'PBCONF'}/pbfilter/$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 "$ENV{'PBCONF'}/$pbpkg/pbfilter") {
	$ffile00 = "$ENV{'PBCONF'}/$pbpkg/pbfilter/all.pbf" if (-f "$ENV{'PBCONF'}/$pbpkg/pbfilter/all.pbf");
	$ffile0 = "$ENV{'PBCONF'}/$pbpkg/pbfilter/$dtype.pbf" if (-f "$ENV{'PBCONF'}/$pbpkg/pbfilter/$dtype.pbf");
	$ffile1 = "$ENV{'PBCONF'}/$pbpkg/pbfilter/$dfam.pbf" if (-f "$ENV{'PBCONF'}/$pbpkg/pbfilter/$dfam.pbf");
	$ffile2 = "$ENV{'PBCONF'}/$pbpkg/pbfilter/$ddir.pbf" if (-f "$ENV{'PBCONF'}/$pbpkg/pbfilter/$ddir.pbf");
	$ffile3 = "$ENV{'PBCONF'}/$pbpkg/pbfilter/$ddir-$dver.pbf" if (-f "$ENV{'PBCONF'}/$pbpkg/pbfilter/$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) {
	print $LOG "DEBUG ffiles: ".Dumper(\@ffiles)."\n" if ($debug >= 1);

	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"};
		print $LOG "DEBUG f:".Dumper($ptr)."\n" if ($debug >= 1);
	}
} else {
	$ptr = { };
}
%ptr = %$ptr;
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;

# For the moment not dynamic
my $debug = 0;					# Debug level
my $LOG = *STDOUT;				# Where to log

print $LOG "DEBUG: From $f to $destfile\n" if ($debug >= 1);
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
		print $LOG "DEBUG filter{$s}: $filter{$s}\n" if ($debug >= 1);
		my $tmp = $filter{$s};
		next if (not defined $tmp);
		# Expand variables if any single one found
		print $LOG "DEBUG tmp: $tmp\n" if ($debug >= 1);
		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 {

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;

# For the moment not dynamic
my $debug = 0;					# Debug level
my $LOG = *STDOUT;				# Where to log

print $LOG "DEBUG: From $f to $destfile\n" if ($debug >= 1);
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
		print $LOG "DEBUG filter{$s}: $filter{$s}\n" if ($debug > 1);
		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);
}


1;