for blocker in self.blocker_parents.keys():
mytype, myroot, mydep = blocker
- vardb = self.trees[myroot]["vartree"].dbapi
- blocked_pkgs = vardb.match(mydep)
- blocked_after_update = self.mydbapi[myroot].match(mydep)
- if not blocked_pkgs and not blocked_after_update:
+ initial_db = self.trees[myroot]["vartree"].dbapi
+ final_db = self.mydbapi[myroot]
+ blocked_initial = initial_db.match(mydep)
+ blocked_final = final_db.match(mydep)
+ if not blocked_initial and not blocked_final:
del self.blocker_parents[blocker]
- else:
- """It may be possible to circumvent this block via correct
- ordering of upgrades. If necessary, create hard deps to
- enforce correct merge order."""
- fakedb = self.mydbapi[myroot]
- new_pkgs = []
- unresolvable = False
- for cpv in blocked_pkgs:
- myslot = vardb.aux_get(cpv, ["SLOT"])[0]
- myslot_atom = "%s:%s" % (portage.dep_getkey(cpv), myslot)
- mymatches = fakedb.match(myslot_atom)
- if mymatches:
- new_pkgs.append((myslot_atom, mymatches[0]))
- else:
- """There's an installed package that's blocked and
- there's no upgrade found to invalidate it, so leave
- this blocker in the digraph."""
- unresolvable = True
- break
- if unresolvable:
- # Keep trying to invalidate as many blockers as possible.
- continue
-
- for parent in list(self.blocker_parents[blocker]):
- ptype, proot, pcpv, pstatus = parent
- pdbapi = self.trees[proot][self.pkg_tree_map[ptype]].dbapi
- pslot = pdbapi.aux_get(pcpv, ["SLOT"])[0]
- pslot_atom = "%s:%s" % (portage.dep_getkey(pcpv), pslot)
- depends_on_merge_order = False
- for myslot_atom, pkg in new_pkgs:
- if pslot_atom == myslot_atom:
- """A merge within a slot invalidates the block,
- so the order does not need to be enforced."""
+ continue
+ blocked_slots_initial = {}
+ blocked_slots_final = {}
+ for cpv in blocked_initial:
+ blocked_slots_initial[cpv] = \
+ "%s:%s" % (portage.dep_getkey(cpv),
+ initial_db.aux_get(cpv, ["SLOT"])[0])
+ for cpv in blocked_final:
+ blocked_slots_final[cpv] = \
+ "%s:%s" % (portage.dep_getkey(cpv),
+ final_db.aux_get(cpv, ["SLOT"])[0])
+ for parent in list(self.blocker_parents[blocker]):
+ ptype, proot, pcpv, pstatus = parent
+ pdbapi = self.trees[proot][self.pkg_tree_map[ptype]].dbapi
+ pslot = pdbapi.aux_get(pcpv, ["SLOT"])[0]
+ pslot_atom = "%s:%s" % (portage.dep_getkey(pcpv), pslot)
+ unresolved_blocks = False
+ depends_on_order = set()
+ for cpv in blocked_initial:
+ slot_atom = blocked_slots_initial[cpv]
+ if slot_atom == pslot_atom:
+ # The parent blocks an initial package in the same
+ # slot as itself. The merge/nomerge status of neither
+ # node matters. In any case, this particular block is
+ # automatically resolved.
+ continue
+ if slot_atom not in blocked_slots_final.values():
+ upgrade_matches = final_db.match(slot_atom)
+ if upgrade_matches:
+ # Apparently an upgrade may be able to invalidate
+ # this block.
+ upgrade_node = \
+ self.pkg_node_map[proot][upgrade_matches[0]]
+ depends_on_order.add(upgrade_node)
continue
- if pkg in blocked_after_update:
- """This isn't a case of a package blocking itself,
- and the block is still valid in the final state, so
- this one is unresolvable."""
- unresolvable = True
- break
+ # None of the above blocker resolutions techniques apply,
+ # so apparently this one is unresolvable.
+ unresolved_blocks = True
+ for cpv in blocked_final:
+ slot_atom = blocked_slots_final[cpv]
+ if slot_atom == pslot_atom:
+ # The parent blocks itself, so the merge order does not
+ # need to be enforced.
+ continue
+ # None of the above blocker resolutions techniques apply,
+ # so apparently this one is unresolvable.
+ unresolved_blocks = True
+ if not unresolved_blocks and depends_on_order:
+ for node in depends_on_order:
# Enforce correct merge order with a hard dep.
- node = self.pkg_node_map[proot][pkg]
self.digraph.addnode(node, parent,
priority=DepPriority(buildtime=True))
- """Count references to this blocker so that it can be
- invalidated after nodes referencing it have been merged."""
+ # Count references to this blocker so that it can be
+ # invalidated after nodes referencing it have been
+ # merged.
self.blocker_digraph.addnode(node, blocker)
- depends_on_merge_order = True
- if unresolvable:
- break
- elif not depends_on_merge_order:
- self.blocker_parents[blocker].remove(parent)
- if unresolvable:
- """This blocker can not be solved, so make sure that it is
- removed from the digraph if it has already been added."""
- if self.blocker_digraph.contains(blocker):
- self.blocker_digraph.remove(blocker)
- # Keep trying to invalidate as many blockers as possible.
- continue
- if not self.blocker_parents[blocker]:
- del self.blocker_parents[blocker]
+ if not unresolved_blocks and not depends_on_order:
+ self.blocker_parents[blocker].remove(parent)
+ if not self.blocker_parents[blocker]:
+ del self.blocker_parents[blocker]
# Validate blockers that depend on merge order.
if not self.blocker_digraph.empty():
self.altlist()
projects / portage.git / commitdiff