Index: python/univention-install-config-registry-info
===================================================================
--- python/univention-install-config-registry-info	(Revision 1839)
+++ python/univention-install-config-registry-info	(Arbeitskopie)
@@ -32,6 +32,7 @@
 # <http://www.gnu.org/licenses/>.
 
 import os, sys
+from optparse import OptionParser
 import subprocess
 import univention.config_registry_info as ucr_info
 
@@ -41,18 +42,34 @@
 		print '\t%s' % ' '.join(argv)
 	return subprocess.call(argv)
 
+def check_path(path):
+	if not os.path.exists(path):
+		error_path(path)
+	return path
+	
+def error_path(path):
+	print >> sys.stderr, "File %s was not found" % path
+	sys.exit(1)
+
 def binary_packages():
 	_prefix = 'Package: '
 	packages = []
-	fp = open( 'debian/control' )
+	fp = open( check_path('debian/control') )
 	for line in fp.readlines():
 		if not line.startswith( _prefix ):
 			continue
 		packages.append( line[ len( _prefix ) :  -1 ] )
 	fp.close()
 	return packages
-
+	
 if __name__ == '__main__':
+	parser = OptionParser( version='univention-install-config-registry-info @%@package_version@%@')
+	parser.set_usage("Usage: %prog")
+	
+	parser.set_description("""Description: univention-install-config-registry-info  is a debhelper like programm that is responsible for installing univention config registry (UCR)  variable and category descriptions into  etc/univention/registry.info/variables/  and  /etc/univention/registry.info/categories/  in  the package build directory. The files debian/PACKAGE.univention-config-registry-variables and debian/PACKAGE.univention-config-registry-categories are installed.""")
+	
+	parser.parse_args()
+			
 	info = ucr_info.ConfigRegistryInfo( install_mode = True )
 	for package in binary_packages():
 		# package's conffiles
Index: python/univention-install-service-info
===================================================================
--- python/univention-install-service-info	(Revision 1839)
+++ python/univention-install-service-info	(Arbeitskopie)
@@ -32,6 +32,7 @@
 # <http://www.gnu.org/licenses/>.
 
 import os, sys
+from optparse import OptionParser
 import subprocess
 import univention.service_info as us_info
 
@@ -41,10 +42,19 @@
 		print '\t%s' % ' '.join(argv)
 	return subprocess.call(argv)
 
+def check_path(path):
+	if not os.path.exists(path):
+		error_path(path)
+	return path
+	
+def error_path(path):
+	print >> sys.stderr, "File %s was not found" %path
+	sys.exit(1)
+	
 def binary_packages():
 	_prefix = 'Package: '
 	packages = []
-	fp = open( 'debian/control' )
+	fp = open( check_path('debian/control') )
 	for line in fp.readlines():
 		if not line.startswith( _prefix ):
 			continue
@@ -53,6 +63,13 @@
 	return packages
 
 if __name__ == '__main__':
+	parser = OptionParser( version='univention-install-service-info @%@package_version@%@')
+	parser.set_usage("Usage: %prog")
+	
+	parser.set_description("""Description: univention-install-service-info  is a debhelper like programm that is responsible for installing a service description file into etc/univention/service.info/services/ in the package build directory. The files debian/PACKAGE.univention-service are installed.""")
+	
+	parser.parse_args()
+	
 	info = us_info.ServiceInfo( install_mode = True )
 	for package in binary_packages():
 		# package's conffiles
Index: python/univention-install-config-registry
===================================================================
--- python/univention-install-config-registry	(Revision 1839)
+++ python/univention-install-config-registry	(Arbeitskopie)
@@ -32,6 +32,7 @@
 # <http://www.gnu.org/licenses/>.
 
 import os, sys
+from optparse import OptionParser
 import subprocess
 import univention.config_registry
 
@@ -40,10 +41,19 @@
 	if os.environ.get('DH_VERBOSE', False):
 		print '\t%s' % ' '.join(argv)
 	return subprocess.call(argv)
-
+	
+def check_path(path):
+	if not os.path.exists(path):
+		error_path(path)
+	return path
+	
+def error_path(path):
+	print >> sys.stderr, "File %s was not found" % path 
+	sys.exit(1)
+	
 def getPackages():
 	packages = []
-	fp = open('debian/control')
+	fp = open(check_path('debian/control'))
 	for line in fp.readlines():
 		if not line.startswith('Package: '):
 			continue
@@ -67,8 +77,7 @@
 	if file.startswith('etc/'):
 		f = 'conffiles/'+file[4:]
 		if os.path.exists(f): return f
-	print "file "+file+" was not found"
-	sys.exit(1)
+	error_path(file)
 
 def destPath(file, package, type='files'):
 	return tmpDir(package)+'/etc/univention/templates/'+type+'/'+file
@@ -81,8 +90,15 @@
 		return type
 	else:
 		return 'file'
-
+	
 if __name__ == '__main__':
+	parser = OptionParser( version='univention-install-config-registry @%@package_version@%@')
+	parser.set_usage("Usage: %prog")
+	
+	parser.set_description("""Description: univention-install-config-registry  is a debhelper like programm that is responsible for installing template files using univention config registry (UCR) variables into etc/univention/templates/ in the package build directory. The  templates  references by debian/PACKAGE.univention-config-registry are installed.""")
+	
+	parser.parse_args()
+			
 	for package in getPackages():
 		file = extFile(package, 'univention-config-registry')
 		if not os.path.exists(file):
@@ -97,7 +113,7 @@
 		try:	bla=open('debian/'+package+'.conffiles').readlines()
 		except IOError:	bla=[]
 		conffiles = open('debian/'+package+'.conffiles','a')
-		fp = open(file)
+		fp = open(check_path(file))
 		filelist = []
 		for item in univention.config_registry.parseRfc822(fp.read()):
 			if item['Type'][0] == 'file':