REQUIRED_USE: no autounmask, so skip backtracking

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index ae74a75ad030deaded487c481b8375963a855ae1..80f5297fd0b205504a790dcb0a25e7a61dbefbc4 100644 (file)
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -225,6 +225,9 @@ class _dynamic_depgraph_config(object):
 
                self._runtime_pkg_mask = runtime_pkg_mask
                self._need_restart = False
+               # For conditions that always require user intervention, such as
+               # unsatisfied REQUIRED_USE (currently has no autounmask support).
+               self._skip_restart = False
 
                for myroot in depgraph._frozen_config.trees:
                        self.sets[myroot] = _depgraph_sets()
@@ -862,6 +865,7 @@ class depgraph(object):
                                        atom = Atom("=" + pkg.cpv)
                                self._dynamic_config._unsatisfied_deps_for_display.append(
                                        ((pkg.root, atom), {"myparent":dep.parent}))
+                               self._dynamic_config._skip_restart = True
                                return 0
 
                if not pkg.onlydeps:
@@ -1900,7 +1904,7 @@ class depgraph(object):
                                        if isinstance(arg, PackageArg):
                                                if not self._add_pkg(arg.package, dep) or \
                                                        not self._create_graph():
-                                                       if not self._dynamic_config._need_restart:
+                                                       if not self.need_restart():
                                                                sys.stderr.write(("\n\n!!! Problem " + \
                                                                        "resolving dependencies for %s\n") % \
                                                                        arg.arg)
@@ -1963,7 +1967,7 @@ class depgraph(object):
                                        # so that later dep_check() calls can use it as feedback
                                        # for making more consistent atom selections.
                                        if not self._add_pkg(pkg, dep):
-                                               if self._dynamic_config._need_restart:
+                                               if self.need_restart():
                                                        pass
                                                elif isinstance(arg, SetArg):
                                                        writemsg(("\n\n!!! Problem resolving " + \
@@ -5384,7 +5388,8 @@ class depgraph(object):
                """
 
        def need_restart(self):
-               return self._dynamic_config._need_restart
+               return self._dynamic_config._need_restart and \
+                       not self._dynamic_config._skip_restart
 
        def get_backtrack_parameters(self):
                return {