Add "pakfire check" which checks the system for errors.

[people/ms/pakfire.git] / pakfire / base.py

diff --git a/pakfire/base.py b/pakfire/base.py
index f7f0f0bc74b407acf54544e08756c03dc2069600..ad68d0b75b04b9da43854870d6e7926545d47dd3 100644 (file)
--- a/pakfire/base.py
+++ b/pakfire/base.py
@@ -416,3 +416,32 @@ class Pakfire(object):
 
                # Clean up repository caches.
                self.repos.clean()
+
+       def check(self, downgrade=True, uninstall=True):
+               """
+                       Try to fix any errors in the system.
+               """
+               # Detect any errors in the dependency tree.
+               # For that we create an empty request and solver and try to solve
+               # something.
+               request = self.create_request()
+               solver = self.create_solver()
+
+               # XXX the solver does crash if we call it with fix_system=1,
+               # allow_downgrade=1 and uninstall=1. Need to fix this.
+               allow_downgrade = False
+               uninstall = False
+
+               t = solver.solve(request, fix_system=True, allow_downgrade=downgrade,
+                       uninstall=uninstall)
+
+               if not t:
+                       logging.info(_("Everything is fine."))
+                       return
+
+               # Ask the user if okay.
+               if not t.cli_yesno():
+                       return
+
+               # Process the transaction.
+               t.run()