#!/apps/bin/perl

# release must be passed as an argument
$release = $ARGV[0];
if($#ARGV<0){&Usage();}

# Check if we are checking out an existing tag or just grabbing the latest
if($release eq "latest"){
	$making_latest = 1;
	print "\"latest\" specified, no tag will be used for checkout.\n";
	$release = `date +"build_%F"`;
	chomp($release);
	$svndir = "trunk";
}else{
	$making_latest = 0;
	$svndir = "tags/$release";
}

$halld_home = $ENV{"PWD"}."/$release";
$ENV{"HALLD_HOME"} = $halld_home;
print "\nMaking release \"$release\" ($halld_home)\n\n";

# If we're compiling multiple platforms or making DEBUG versions
# then we don't want to re-checkout the code or delete the
# existing binaries. Use the HALLD_MAKE_RELEASE_REUSE environment
# variable to control this
if( $ENV{"HALLD_MAKE_RELEASE_REUSE"} ne "YES"){

	# Move old "$release" out of the way (if it exists) and make new one
	if(-e $release){
		print "\nMoving old \"$release\" directory to junk\n";
		print `mkdir -p junk`;
		print `rm -rf junk/$release`;
		print `mv -f $release junk`;
	}
	mkdir $release;
	chdir $release;

	# Checkout release to new directory
	print "\nChecking out source code ....\n\n";
	#system("cvs -d /group/halld/Repositories/cvsroot co $tags release");
	system("svn co https://halldsvn.jlab.org/repos/$svndir/src");
	system("svn co https://halldsvn.jlab.org/repos/$svndir/scripts");

	# Touch the hddm_s.* files to so they are not remade
	system("touch src/libraries/HDDM/hddm_s.*");
	
	# Make external libraries
#	chdir $halld_home;
#	$cmd = "mkdir -p lib/".$ENV{"OSNAME"};
#	print "$cmd\n".`$cmd`;
#	$cmd = "mkdir -p bin/".$ENV{"OSNAME"};
#	print "$cmd\n".`$cmd`;
#	system("make -C src/external install");

	# Regenerate hddm files from schema
#	print "\nBuilding HDDM tools ...\n\n";
#	chdir "$halld_home/src/libraries/include";
#	system("make install");
#	chdir "$halld_home/src/programs/Analysis/hddm";
#	system("make install");
#	print "\n...generating hddm C/C++ source ...\n";
#	system("rm -f event.xml");
#	system("schema-hddm event.xsd > event.xml");
#	system("hddm-c event.xml");
#	#system("cp hddm_s.h ../../../libraries/include");
#	#system("cp hddm_s.c ../../../libraries/HDDM");

#	chdir "$halld_home/src/programs/Simulation/hdds";
#	system("make install");
}

# Build Everything
print "\nBuilding Everything ...\n\n";
chdir "$halld_home/src";
system("make install");

# Create setenv script
chdir "$halld_home";
system("csh -f -c 'source /group/halld/Software/scripts/mk_setenv.csh'");

# Some other things that don't need to be redone
if( $ENV{"HALLD_MAKE_RELEASE_REUSE"} ne "YES"){

	# Submit hdgeant test to farm
#	system("jsub /group/halld/Software/scripts/NightlyTest2/nightly2.job");

	# Rebuild documentation
	chdir "$halld_home/src/doc";
	system("make clean ; make");
	system("$halld_home/scripts/make_SVNreport ; mv SVNstats html");
	if($making_latest != 0){
		system("make install");
	}
}

# Print usage statement and exit
sub Usage()
{
	print "\nUsage:\n\t\tmake_release <release>\n\n";
	print "Note that giving the release name \"latest\" will cause\n";
	print "The most current version of the code to be checked out\n";
	print "(without any tag).\n\n";	
	
	exit(0);
}