Limit accumulated bounties to configurable minum age

britney.conf

@@ -52,6 +52,7 @@ MINDAYS_CRITICAL  = 0
 MINDAYS_EMERGENCY = 0
 DEFAULT_URGENCY   = medium
 NO_PENALTIES      = high critical emergency
+BOUNTY_MIN_AGE    = 2
 
 HINTSDIR = /srv/release.debian.org/britney/hints
 

britney2/policies/policy.py

@@ -291,6 +291,22 @@ class AgePolicy(BasePolicy):
                 self.log('Applying penalty for %s given by %s: %d days' %
                             (source_name, penalty, excuse.penalty[penalty]))
                 min_days += excuse.penalty[penalty]
+        try:
+            bounty_min_age = int(self.options.bounty_min_age)
+        except ValueError:
+            if self.options.bounty_min_age in self._min_days:
+                bounty_min_age = self._min_days[self.options.bounty_min_age]
+            else:
+                raise ValueError('Please fix BOUNTY_MIN_AGE in the britney configuration')
+        except AttributeError:
+            # The option wasn't defined in the configuration
+            bounty_min_age = 0
+        # the age in BOUNTY_MIN_AGE can be higher than the one associated with
+        # the real urgency, so don't forget to take it into account
+        bounty_min_age =  min(bounty_min_age, self._min_days[urgency])
+        if min_days < bounty_min_age:
+            min_days = bounty_min_age
+            excuse.addhtml('Required age is not allowed to drop below %d days' % min_days)
         age_info['age-requirement'] = min_days
         age_info['current-age'] = days_old
 

tests/__init__.py

@@ -368,6 +368,7 @@ MINDAYS_CRITICAL  = 0
 MINDAYS_EMERGENCY = 0
 DEFAULT_URGENCY   = medium
 NO_PENALTIES      = high critical emergency
+BOUNTY_MIN_AGE    = 8
 
 HINTSDIR = data/hints
 

tests/test_autopkgtest.py

@@ -2566,7 +2566,7 @@ class T(TestBase):
         self.assertEqual(exc['green']['policy_info']['age']['age-requirement'], 13)
 
     def test_passing_package_receives_bounty(self):
-        '''Does not request a test for an uninstallable package'''
+        '''Test bounty system (instead of policy verdict)'''
 
         # Don't use policy verdics, but age packages appropriate
         for line in fileinput.input(self.britney_conf, inplace=True):
@@ -2596,7 +2596,8 @@ class T(TestBase):
             {})[1]
 
         # it should cause the age to drop
-        self.assertEqual(exc['green']['policy_info']['age']['age-requirement'], 7)
+        self.assertEqual(exc['green']['policy_info']['age']['age-requirement'], 8)
+        self.assertEqual(exc['green']['excuses'][-1], 'Required age is not allowed to drop below 8 days')
 
 
 if __name__ == '__main__':