PackageInfo: apt-file returns exit code 1 on nothing found now.

PackageInfo/__init__.py

@@ -22,7 +22,7 @@ import supybot
 import supybot.world as world
 from importlib import reload
 
-__version__ = "2.2.0"
+__version__ = "2.3.0"
 __author__ = supybot.Author("Krytarik Raido", "krytarik", "krytarik@gmail.com")
 __contributors__ = {
     supybot.Author("Dennis Kaarsemaker", "Seveas", "dennis@kaarsemaker.net"): ['Original Concept'],

PackageInfo/packages.py

@@ -86,7 +86,9 @@ class Apt:
             if filelookup:
                 try:
                     data = self.apt_file(distro, pkg).split()
-                except subprocess.CalledProcessError:
+                except subprocess.CalledProcessError as e:
+                    if e.returncode == 1:
+                        return 'Package/file %s does not exist in %s' % (pkg, distro)
                     self.log.error("PackageInfo/packages: Please update the cache for %s" % distro)
                     return "Cache out of date, please contact the administrator"
                 except OSError: