diff options
Diffstat (limited to 'pym/_emerge/Scheduler.py')
| -rw-r--r-- | pym/_emerge/Scheduler.py | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py index cbb52448a..0de01756e 100644 --- a/pym/_emerge/Scheduler.py +++ b/pym/_emerge/Scheduler.py @@ -1164,13 +1164,23 @@ class Scheduler(PollScheduler): self._prune_digraph() chosen_pkg = None - later = set(self._pkg_queue) + + # Prefer uninstall operations when available. + graph = self._digraph for pkg in self._pkg_queue: - later.remove(pkg) - if not self._dependent_on_scheduled_merges(pkg, later): + if pkg.operation == 'uninstall' and \ + not graph.child_nodes(pkg): chosen_pkg = pkg break + if chosen_pkg is None: + later = set(self._pkg_queue) + for pkg in self._pkg_queue: + later.remove(pkg) + if not self._dependent_on_scheduled_merges(pkg, later): + chosen_pkg = pkg + break + if chosen_pkg is not None: self._pkg_queue.remove(chosen_pkg) |