Imported Upstream version 0.6.6
[platform/upstream/libsolv.git] / src / solver.c
index 36af038..14fe78d 100644 (file)
@@ -25,6 +25,8 @@
 #include "policy.h"
 #include "poolarch.h"
 #include "solverdebug.h"
+#include "cplxdeps.h"
+#include "linkedpkg.h"
 
 #define RULES_BLOCK 63
 
@@ -58,7 +60,18 @@ solver_splitprovides(Solver *solv, Id dep)
   rd = GETRELDEP(pool, dep);
   if (rd->flags != REL_WITH)
     return 0;
-  FOR_PROVIDES(p, pp, dep)
+  /*
+   * things are a bit tricky here if pool->addedprovides == 1, because most split-provides are in
+   * a non-standard location. If we simply call pool_whatprovides, we'll drag in the complete
+   * file list. Instead we rely on pool_addfileprovides ignoring the addfileprovidesfiltered flag
+   * for installed packages and check the lazywhatprovidesq (ignoring the REL_WITH part, but
+   * we filter the package name further down anyway).
+   */
+  if (pool->addedfileprovides == 1 && !ISRELDEP(rd->evr) && !pool->whatprovides[rd->evr])
+    pp = pool_searchlazywhatprovidesq(pool, rd->evr);
+  else
+    pp = pool_whatprovides(pool, dep);
+  while ((p = pool->whatprovidesdata[pp++]) != 0)
     {
       /* here we have packages that provide the correct name and contain the path,
        * now do extra filtering */
@@ -103,6 +116,64 @@ solver_dep_installed(Solver *solv, Id dep)
   return 0;
 }
 
+/* mirrors solver_dep_installed, but returns 2 if a
+ * dependency listed in solv->installsuppdepq was involved */
+static int
+solver_check_installsuppdepq_dep(Solver *solv, Id dep)
+{
+  Pool *pool = solv->pool;
+  Id p, pp;
+  Queue *q;
+
+  if (ISRELDEP(dep))
+    {
+      Reldep *rd = GETRELDEP(pool, dep);
+      if (rd->flags == REL_AND)
+        {
+         int r2, r1 = solver_check_installsuppdepq_dep(solv, rd->name);
+          if (!r1)
+            return 0;
+         r2 = solver_check_installsuppdepq_dep(solv, rd->evr);
+         if (!r2)
+           return 0;
+          return r1 == 2 || r2 == 2 ? 2 : 1;
+        }
+      if (rd->flags == REL_OR)
+       {
+         int r2, r1 = solver_check_installsuppdepq_dep(solv, rd->name);
+         r2 = solver_check_installsuppdepq_dep(solv, rd->evr);
+         if (!r1 && !r2)
+           return 0;
+          return r1 == 2 || r2 == 2 ? 2 : 1;
+       }
+      if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_SPLITPROVIDES)
+        return solver_splitprovides(solv, rd->evr);
+      if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_INSTALLED)
+        return solver_dep_installed(solv, rd->evr);
+      if (rd->flags == REL_NAMESPACE && (q = solv->installsuppdepq) != 0)
+       {
+         int i;
+         for (i = 0; i < q->count; i++)
+           if (q->elements[i] == dep || q->elements[i] == rd->name)
+             return 2;
+       }
+    }
+  FOR_PROVIDES(p, pp, dep)
+    if (solv->decisionmap[p] > 0)
+      return 1;
+  return 0;
+}
+
+static int
+solver_check_installsuppdepq(Solver *solv, Solvable *s)
+{
+  Id sup, *supp;
+  supp = s->repo->idarraydata + s->supplements;
+  while ((sup = *supp++) != 0)
+    if (solver_check_installsuppdepq_dep(solv, sup) == 2)
+      return 1;
+  return 0;
+}
 
 static Id
 autouninstall(Solver *solv, Id *problem)
@@ -124,9 +195,10 @@ autouninstall(Solver *solv, Id *problem)
        {
          /* check if identical to feature rule */
          Id p = solv->rules[v].p;
+         Rule *r;
          if (p <= 0)
            continue;
-         Rule *r = solv->rules + solv->featurerules + (p - solv->installed->start);
+         r = solv->rules + solv->featurerules + (p - solv->installed->start);
          if (!r->p)
            {
              /* update rule == feature rule */
@@ -168,7 +240,7 @@ autouninstall(Solver *solv, Id *problem)
 /************************************************************************/
 
 /*
- * enable/disable learnt rules 
+ * enable/disable learnt rules
  *
  * we have enabled or disabled some of our rules. We now reenable all
  * of our learnt rules except the ones that were learnt from rules that
@@ -217,7 +289,7 @@ enabledisablelearntrules(Solver *solv)
 
 /*
  * make assertion rules into decisions
- * 
+ *
  * Go through rules and add direct assertions to the decisionqueue.
  * If we find a conflict, disable rules and add them to problem queue.
  */
@@ -257,7 +329,7 @@ makeruledecisions(Solver *solv)
        {
          ri = solv->ruleassertions.elements[ii];
          r = solv->rules + ri;
-           
+
           if (havedisabled && ri >= solv->learntrules)
            {
              /* just started with learnt rule assertions. If we have disabled
@@ -265,7 +337,7 @@ makeruledecisions(Solver *solv)
              enabledisablelearntrules(solv);
              havedisabled = 0;
            }
-           
+
          if (r->d < 0 || !r->p || r->w2)       /* disabled, dummy or no assertion */
            continue;
 
@@ -275,7 +347,7 @@ makeruledecisions(Solver *solv)
 
          v = r->p;
          vv = v > 0 ? v : -v;
-           
+
          if (!solv->decisionmap[vv])          /* if not yet decided */
            {
              queue_push(&solv->decisionq, v);
@@ -297,15 +369,15 @@ makeruledecisions(Solver *solv)
            continue;
          if (v < 0 && solv->decisionmap[vv] < 0)    /* ok to remove */
            continue;
-           
+
          /*
           * found a conflict!
-          * 
+          *
           * The rule (r) we're currently processing says something
           * different (v = r->p) than a previous decision (decisionmap[abs(v)])
           * on this literal
           */
-           
+
          if (ri >= solv->learntrules)
            {
              /* conflict with a learnt rule */
@@ -315,7 +387,7 @@ makeruledecisions(Solver *solv)
              solver_disablerule(solv, r);
              continue;
            }
-           
+
          /*
           * find the decision which is the "opposite" of the rule
           */
@@ -324,7 +396,7 @@ makeruledecisions(Solver *solv)
              break;
          assert(i < solv->decisionq.count);         /* assert that we found it */
          oldproblemcount = solv->problems.count;
-           
+
          /*
           * conflict with system solvable ?
           */
@@ -355,9 +427,9 @@ makeruledecisions(Solver *solv)
          assert(solv->decisionq_why.elements[i] > 0);
 
          /*
-          * conflict with an rpm rule ?
+          * conflict with a pkg rule ?
           */
-         if (solv->decisionq_why.elements[i] < solv->rpmrules_end)
+         if (solv->decisionq_why.elements[i] < solv->pkgrules_end)
            {
              if (record_proof)
                {
@@ -369,7 +441,7 @@ makeruledecisions(Solver *solv)
              else
                queue_push(&solv->problems, 0);
              assert(v > 0 || v == -SYSTEMSOLVABLE);
-             POOL_DEBUG(SOLV_DEBUG_UNSOLVABLE, "conflict with rpm rule, disabling rule #%d\n", ri);
+             POOL_DEBUG(SOLV_DEBUG_UNSOLVABLE, "conflict with pkg rule, disabling rule #%d\n", ri);
              if (ri >= solv->jobrules && ri < solv->jobrules_end)
                v = -(solv->ruletojob.elements[ri - solv->jobrules] + 1);
              else
@@ -386,7 +458,7 @@ makeruledecisions(Solver *solv)
          /*
           * conflict with another job or update/feature rule
           */
-           
+
          /* record proof */
          if (record_proof)
            {
@@ -470,7 +542,7 @@ makeruledecisions(Solver *solv)
            continue;
          if (v < 0 && solv->decisionmap[vv] < 0)
            continue;
-           
+
          POOL_DEBUG(SOLV_DEBUG_UNSOLVABLE, "assertion conflict, but I am weak, disabling ");
          solver_printrule(solv, SOLV_DEBUG_UNSOLVABLE, r);
 
@@ -511,7 +583,7 @@ makewatches(Solver *solv)
                                       /* lower half for removals, upper half for installs */
   solv->watches = solv_calloc(2 * nsolvables, sizeof(Id));
 #if 1
-  /* do it reverse so rpm rules get triggered first (XXX: obsolete?) */
+  /* do it reverse so pkg rules get triggered first (XXX: obsolete?) */
   for (i = 1, r = solv->rules + solv->nrules - 1; i < solv->nrules; i++, r--)
 #else
   for (i = 1, r = solv->rules + 1; i < solv->nrules; i++, r++)
@@ -534,7 +606,7 @@ makewatches(Solver *solv)
  *
  * add watches (for a new learned rule)
  * sets up watches for a single rule
- * 
+ *
  * see also makewatches() above.
  */
 
@@ -565,14 +637,14 @@ addwatches_rule(Solver *solv, Rule *r)
 #define DECISIONMAP_UNDEF(p) (decisionmap[(p) > 0 ? (p) : -(p)] == 0)
 
 /*-------------------------------------------------------------------
- * 
+ *
  * propagate
  *
  * make decision and propagate to all rules
- * 
+ *
  * Evaluate each term affected by the decision (linked through watches).
  * If we find unit rules we make new decisions based on them.
- * 
+ *
  * return : 0 = everything is OK
  *          rule = conflict found in this rule
  */
@@ -586,7 +658,7 @@ propagate(Solver *solv, int level)
   Id p, pkg, other_watch;
   Id *dp;
   Id *decisionmap = solv->decisionmap;
-    
+
   Id *watches = solv->watches + pool->nsolvables;   /* place ptr in middle */
 
   POOL_DEBUG(SOLV_DEBUG_PROPAGATE, "----- propagate -----\n");
@@ -627,7 +699,7 @@ propagate(Solver *solv, int level)
            }
 
            /* 'pkg' was just decided (was set to FALSE)
-            * 
+            *
             *  now find other literal watch, check clause
             *   and advance on linked list
             */
@@ -641,8 +713,8 @@ propagate(Solver *solv, int level)
              other_watch = r->w1;
              next_rp = &r->n2;
            }
-           
-           /* 
+
+           /*
             * This term is already true (through the other literal)
             * so we have nothing to do
             */
@@ -651,17 +723,17 @@ propagate(Solver *solv, int level)
 
            /*
             * The other literal is FALSE or UNDEF
-            * 
+            *
             */
-           
+
           if (r->d)
            {
              /* Not a binary clause, try to move our watch.
-              * 
+              *
               * Go over all literals and find one that is
               *   not other_watch
               *   and not FALSE
-              * 
+              *
               * (TRUE is also ok, in that case the rule is fulfilled)
               */
              if (r->p                                /* we have a 'p' */
@@ -696,10 +768,10 @@ propagate(Solver *solv, int level)
                      else
                        POOL_DEBUG(SOLV_DEBUG_PROPAGATE,"    -> move w%d to !%s\n", (pkg == r->w1 ? 1 : 2), pool_solvid2str(pool, -p));
                    }
-                   
+
                  *rp = *next_rp;
                  next_rp = rp;
-                   
+
                  if (pkg == r->w1)
                    {
                      r->w1 = p;
@@ -716,17 +788,17 @@ propagate(Solver *solv, int level)
              /* search failed, thus all unwatched literals are FALSE */
                
            } /* not binary */
-           
+
           /*
           * unit clause found, set literal other_watch to TRUE
           */
 
          if (DECISIONMAP_FALSE(other_watch))      /* check if literal is FALSE */
            return r;                              /* eek, a conflict! */
-           
+
          IF_POOLDEBUG (SOLV_DEBUG_PROPAGATE)
            {
-             POOL_DEBUG(SOLV_DEBUG_PROPAGATE, "   unit ");
+             POOL_DEBUG(SOLV_DEBUG_PROPAGATE, "  unit ");
              solver_printrule(solv, SOLV_DEBUG_PROPAGATE, r);
            }
 
@@ -734,7 +806,7 @@ propagate(Solver *solv, int level)
             decisionmap[other_watch] = level;    /* install! */
          else
            decisionmap[-other_watch] = -level;  /* remove! */
-           
+
          queue_push(&solv->decisionq, other_watch);
          queue_push(&solv->decisionq_why, r - solv->rules);
 
@@ -745,11 +817,11 @@ propagate(Solver *solv, int level)
              else
                POOL_DEBUG(SOLV_DEBUG_PROPAGATE, "    -> decided to conflict %s\n", pool_solvid2str(pool, -other_watch));
            }
-           
+
        } /* foreach rule involving 'pkg' */
        
     } /* while we have non-decided decisions */
-    
+
   POOL_DEBUG(SOLV_DEBUG_PROPAGATE, "----- propagate end-----\n");
 
   return 0;    /* all is well */
@@ -760,7 +832,7 @@ propagate(Solver *solv, int level)
 /* Analysis */
 
 /*-------------------------------------------------------------------
- * 
+ *
  * analyze
  *   and learn
  */
@@ -887,9 +959,9 @@ l1retry:
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * solver_reset
- * 
+ *
  * reset all solver decisions
  * called after rules have been enabled/disabled
  */
@@ -907,11 +979,12 @@ solver_reset(Solver *solv)
       v = solv->decisionq.elements[i];
       solv->decisionmap[v > 0 ? v : -v] = 0;
     }
-  solv->decisionq_why.count = 0;
-  solv->decisionq.count = 0;
+  queue_empty(&solv->decisionq_why);
+  queue_empty(&solv->decisionq);
   solv->recommends_index = -1;
   solv->propagate_index = 0;
-  solv->branches.count = 0;
+  solv->decisioncnt_update = solv->decisioncnt_keep = solv->decisioncnt_resolve = solv->decisioncnt_weak = solv->decisioncnt_orphan = 0;
+  queue_empty(&solv->branches);
 
   /* adapt learnt rule status to new set of enabled/disabled rules */
   enabledisablelearntrules(solv);
@@ -923,7 +996,7 @@ solver_reset(Solver *solv)
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * analyze_unsolvable_rule
  *
  * recursion helper used by analyze_unsolvable
@@ -951,8 +1024,8 @@ analyze_unsolvable_rule(Solver *solv, Rule *r, Id *lastweakp, Map *rseen)
   if (MAPTST(&solv->weakrulemap, why))
     if (!*lastweakp || why > *lastweakp)
       *lastweakp = why;
-  /* do not add rpm rules to problem */
-  if (why < solv->rpmrules_end)
+  /* do not add pkg rules to problem */
+  if (why < solv->pkgrules_end)
     return;
   /* turn rule into problem */
   if (why >= solv->jobrules && why < solv->jobrules_end)
@@ -985,12 +1058,12 @@ analyze_unsolvable_rule(Solver *solv, Rule *r, Id *lastweakp, Map *rseen)
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * analyze_unsolvable
  *
  * We know that the problem is not solvable. Record all involved
  * rules (i.e. the "proof") into solv->learnt_pool.
- * Record the learnt pool index and all non-rpm rules into
+ * Record the learnt pool index and all non-pkg rules into
  * solv->problems. (Our solutions to fix the problems are to
  * disable those rules.)
  *
@@ -1061,7 +1134,7 @@ analyze_unsolvable(Solver *solv, Rule *cr, int disablerules)
     {
       v = solv->decisionq.elements[--idx];
       vv = v > 0 ? v : -v;
-      if (!MAPTST(&seen, vv))
+      if (!MAPTST(&seen, vv) || vv == SYSTEMSOLVABLE)
        continue;
       why = solv->decisionq_why.elements[idx];
       assert(why > 0);
@@ -1147,7 +1220,7 @@ analyze_unsolvable(Solver *solv, Rule *cr, int disablerules)
 /* Decision revert */
 
 /*-------------------------------------------------------------------
- * 
+ *
  * revert
  * revert decisionq to a level
  */
@@ -1169,18 +1242,33 @@ revert(Solver *solv, int level)
       solv->decisionq_why.count--;
       solv->propagate_index = solv->decisionq.count;
     }
-  while (solv->branches.count && solv->branches.elements[solv->branches.count - 1] <= -level)
+  while (solv->branches.count && solv->branches.elements[solv->branches.count - 1] >= level)
     {
       solv->branches.count--;
       while (solv->branches.count && solv->branches.elements[solv->branches.count - 1] >= 0)
        solv->branches.count--;
+      while (solv->branches.count && solv->branches.elements[solv->branches.count - 1] < 0)
+       solv->branches.count--;
     }
-  solv->recommends_index = -1;
+  if (solv->recommends_index > solv->decisionq.count)
+    solv->recommends_index = -1;       /* rebuild recommends/suggests maps */
+  if (solv->decisionq.count < solv->decisioncnt_jobs)
+    solv->decisioncnt_jobs = 0;
+  if (solv->decisionq.count < solv->decisioncnt_update)
+    solv->decisioncnt_update = 0;
+  if (solv->decisionq.count < solv->decisioncnt_keep)
+    solv->decisioncnt_keep = 0;
+  if (solv->decisionq.count < solv->decisioncnt_resolve)
+    solv->decisioncnt_resolve = 0;
+  if (solv->decisionq.count < solv->decisioncnt_weak)
+    solv->decisioncnt_weak= 0;
+  if (solv->decisionq.count < solv->decisioncnt_orphan)
+    solv->decisioncnt_orphan = 0;
 }
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * watch2onhighest - put watch2 on literal with highest level
  */
 
@@ -1209,7 +1297,7 @@ watch2onhighest(Solver *solv, Rule *r)
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * setpropagatelearn
  *
  * add free decision (solvable to install) to decisionq
@@ -1286,11 +1374,54 @@ setpropagatelearn(Solver *solv, int level, Id decision, int disablerules, Id rul
   return level;
 }
 
+static void
+reorder_dq_for_jobrules(Solver *solv, int level, Queue *dq)
+{
+  Pool *pool = solv->pool;
+  int i, j, haveone = 0, dqcount = dq->count;
+  Id p;
+  Solvable *s;
+
+  /* at the time we process jobrules the installed packages are not kept yet */
+  /* reorder so that "future-supplemented" packages come first */
+  FOR_REPO_SOLVABLES(solv->installed, p, s)
+    {
+      if (MAPTST(&solv->noupdate, p - solv->installed->start))
+       continue;
+      if (solv->decisionmap[p] == 0)
+       {
+         solv->decisionmap[p] = level + 1;
+         haveone = 1;
+       }
+    }
+  if (!haveone)
+    return;
+  for (i = 0; i < dqcount; i++)
+    if (!solver_is_enhancing(solv, pool->solvables + dq->elements[i]))
+      {
+       queue_push(dq, dq->elements[i]);
+       dq->elements[i] = 0;
+      }
+  dqcount = dq->count;
+  for (i = 0; i < dqcount; i++)
+    if (dq->elements[i] && !solver_is_supplementing(solv, pool->solvables + dq->elements[i]))
+      {
+       queue_push(dq, dq->elements[i]);
+       dq->elements[i] = 0;
+      }
+  for (i = j = 0; i < dq->count; i++)
+    if (dq->elements[i])
+      dq->elements[j++] = dq->elements[i];
+  queue_truncate(dq, j);
+  FOR_REPO_SOLVABLES(solv->installed, p, s)
+    if (solv->decisionmap[p] == level + 1)
+      solv->decisionmap[p] = 0;
+}
 
 /*-------------------------------------------------------------------
- * 
+ *
  * select and install
- * 
+ *
  * install best package from the queue. We add an extra package, inst, if
  * provided. See comment in weak install section.
  *
@@ -1321,12 +1452,17 @@ selectandinstall(Solver *solv, int level, Queue *dq, int disablerules, Id ruleid
            break;
          }
     }
+  /* if we're resolving job rules and didn't resolve the installed packages yet,
+   * do some special supplements ordering */
+  if (dq->count > 1 && ruleid >= solv->jobrules && ruleid < solv->jobrules_end && solv->installed && !solv->focus_installed)
+    reorder_dq_for_jobrules(solv, level, dq);
   if (dq->count > 1)
     {
       /* multiple candidates, open a branch */
+      queue_push(&solv->branches, -dq->elements[0]);
       for (i = 1; i < dq->count; i++)
        queue_push(&solv->branches, dq->elements[i]);
-      queue_push(&solv->branches, -level);
+      queue_push(&solv->branches, level);
     }
   p = dq->elements[0];
 
@@ -1341,7 +1477,7 @@ selectandinstall(Solver *solv, int level, Queue *dq, int disablerules, Id ruleid
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * solver_create
  * create solver structure
  *
@@ -1368,6 +1504,8 @@ solver_create(Pool *pool)
   solv->dup_allowarchchange = 1;
   solv->dup_allowvendorchange = 1;
 
+  solv->keepexplicitobsoletes = pool->noobsoletesmultiversion ? 0 : 1;
+
   queue_init(&solv->ruletojob);
   queue_init(&solv->decisionq);
   queue_init(&solv->decisionq_why);
@@ -1378,6 +1516,7 @@ solver_create(Pool *pool)
   queue_init(&solv->branches);
   queue_init(&solv->weakruleq);
   queue_init(&solv->ruleassertions);
+  queue_init(&solv->addedmap_deduceq);
 
   queue_push(&solv->learnt_pool, 0);   /* so that 0 does not describe a proof */
 
@@ -1395,11 +1534,107 @@ solver_create(Pool *pool)
 }
 
 
+static int
+resolve_jobrules(Solver *solv, int level, int disablerules, Queue *dq)
+{
+  Pool *pool = solv->pool;
+  int oldlevel = level;
+  int i, olevel;
+  Rule *r;
+
+  POOL_DEBUG(SOLV_DEBUG_SOLVER, "resolving job rules\n");
+  if (!solv->decisioncnt_jobs)
+    solv->decisioncnt_jobs = solv->decisionq.count;
+  for (i = solv->jobrules, r = solv->rules + i; i < solv->jobrules_end; i++, r++)
+    {
+      Id l, pp;
+      if (r->d < 0)            /* ignore disabled rules */
+       continue;
+      queue_empty(dq);
+      FOR_RULELITERALS(l, pp, r)
+       {
+         if (l < 0)
+           {
+             if (solv->decisionmap[-l] <= 0)
+               break;
+           }
+         else
+           {
+             if (solv->decisionmap[l] > 0)
+               break;
+             if (solv->decisionmap[l] == 0)
+               queue_push(dq, l);
+           }
+       }
+      if (l || !dq->count)
+       continue;
+      /* prune to installed if not updating */
+      if (dq->count > 1 && solv->installed && !solv->updatemap_all &&
+         !(solv->job.elements[solv->ruletojob.elements[i - solv->jobrules]] & SOLVER_ORUPDATE))
+       {
+         int j, k;
+         for (j = k = 0; j < dq->count; j++)
+           {
+             Solvable *s = pool->solvables + dq->elements[j];
+             if (s->repo == solv->installed)
+               {
+                 dq->elements[k++] = dq->elements[j];
+                 if (solv->updatemap.size && MAPTST(&solv->updatemap, dq->elements[j] - solv->installed->start))
+                   {
+                     k = 0;    /* package wants to be updated, do not prune */
+                     break;
+                   }
+               }
+           }
+         if (k)
+           dq->count = k;
+       }
+      olevel = level;
+      level = selectandinstall(solv, level, dq, disablerules, i);
+      if (level <= olevel)
+       {
+         if (level == 0)
+           return 0;   /* unsolvable */
+         if (level == olevel)
+           {
+             i--;
+             r--;
+             continue; /* try something else */
+           }
+         if (level < oldlevel)
+           return level;
+         /* redo from start of jobrules */
+         i = solv->jobrules - 1;
+         r = solv->rules + i;
+       }
+    }
+  return level;
+}
+
 /*-------------------------------------------------------------------
- * 
+ *
  * solver_free
  */
 
+static inline void
+queuep_free(Queue **qp)
+{
+  if (!*qp)
+    return;
+  queue_free(*qp);
+  *qp = solv_free(*qp);
+}
+
+static inline void
+map_zerosize(Map *m)
+{
+  if (m->size)
+    {
+      map_free(m);
+      map_init(m, 0);
+    }
+}
+
 void
 solver_free(Solver *solv)
 {
@@ -1415,27 +1650,20 @@ solver_free(Solver *solv)
   queue_free(&solv->branches);
   queue_free(&solv->weakruleq);
   queue_free(&solv->ruleassertions);
-  if (solv->cleandeps_updatepkgs)
-    {
-      queue_free(solv->cleandeps_updatepkgs);
-      solv->cleandeps_updatepkgs = solv_free(solv->cleandeps_updatepkgs);
-    }
-  if (solv->cleandeps_mistakes)
-    {
-      queue_free(solv->cleandeps_mistakes);
-      solv->cleandeps_mistakes = solv_free(solv->cleandeps_mistakes);
-    }
-  if (solv->update_targets)
-    {
-      queue_free(solv->update_targets);
-      solv->update_targets = solv_free(solv->update_targets);
-    }
+  queue_free(&solv->addedmap_deduceq);
+  queuep_free(&solv->cleandeps_updatepkgs);
+  queuep_free(&solv->cleandeps_mistakes);
+  queuep_free(&solv->update_targets);
+  queuep_free(&solv->installsuppdepq);
+  queuep_free(&solv->recommendscplxq);
+  queuep_free(&solv->suggestscplxq);
+  queuep_free(&solv->brokenorphanrules);
 
   map_free(&solv->recommendsmap);
   map_free(&solv->suggestsmap);
   map_free(&solv->noupdate);
   map_free(&solv->weakrulemap);
-  map_free(&solv->noobsoletes);
+  map_free(&solv->multiversion);
 
   map_free(&solv->updatemap);
   map_free(&solv->bestupdatemap);
@@ -1450,9 +1678,11 @@ solver_free(Solver *solv)
   solv_free(solv->watches);
   solv_free(solv->obsoletes);
   solv_free(solv->obsoletes_data);
-  solv_free(solv->multiversionupdaters);
+  solv_free(solv->specialupdaters);
   solv_free(solv->choicerules_ref);
   solv_free(solv->bestrules_pkg);
+  solv_free(solv->yumobsrules_info);
+  solv_free(solv->instbuddy);
   solv_free(solv);
 }
 
@@ -1487,6 +1717,22 @@ solver_get_flag(Solver *solv, int flag)
     return solv->bestobeypolicy;
   case SOLVER_FLAG_NO_AUTOTARGET:
     return solv->noautotarget;
+  case SOLVER_FLAG_DUP_ALLOW_DOWNGRADE:
+    return solv->dup_allowdowngrade;
+  case SOLVER_FLAG_DUP_ALLOW_NAMECHANGE:
+    return solv->dup_allownamechange;
+  case SOLVER_FLAG_DUP_ALLOW_ARCHCHANGE:
+    return solv->dup_allowarchchange;
+  case SOLVER_FLAG_DUP_ALLOW_VENDORCHANGE:
+    return solv->dup_allowvendorchange;
+  case SOLVER_FLAG_KEEP_ORPHANS:
+    return solv->keep_orphans;
+  case SOLVER_FLAG_BREAK_ORPHANS:
+    return solv->break_orphans;
+  case SOLVER_FLAG_FOCUS_INSTALLED:
+    return solv->focus_installed;
+  case SOLVER_FLAG_YUM_OBSOLETES:
+    return solv->do_yum_obsoletes;
   default:
     break;
   }
@@ -1538,6 +1784,30 @@ solver_set_flag(Solver *solv, int flag, int value)
   case SOLVER_FLAG_NO_AUTOTARGET:
     solv->noautotarget = value;
     break;
+  case SOLVER_FLAG_DUP_ALLOW_DOWNGRADE:
+    solv->dup_allowdowngrade = value;
+    break;
+  case SOLVER_FLAG_DUP_ALLOW_NAMECHANGE:
+    solv->dup_allownamechange = value;
+    break;
+  case SOLVER_FLAG_DUP_ALLOW_ARCHCHANGE:
+    solv->dup_allowarchchange = value;
+    break;
+  case SOLVER_FLAG_DUP_ALLOW_VENDORCHANGE:
+    solv->dup_allowvendorchange = value;
+    break;
+  case SOLVER_FLAG_KEEP_ORPHANS:
+    solv->keep_orphans = value;
+    break;
+  case SOLVER_FLAG_BREAK_ORPHANS:
+    solv->break_orphans = value;
+    break;
+  case SOLVER_FLAG_FOCUS_INSTALLED:
+    solv->focus_installed = value;
+    break;
+  case SOLVER_FLAG_YUM_OBSOLETES:
+    solv->do_yum_obsoletes = value;
+    break;
   default:
     break;
   }
@@ -1614,8 +1884,140 @@ prune_to_update_targets(Solver *solv, Id *cp, Queue *q)
   queue_truncate(q, j);
 }
 
+#ifdef ENABLE_COMPLEX_DEPS
+
+static void
+add_complex_recommends(Solver *solv, Id rec, Queue *dq, Map *dqmap)
+{
+  Pool *pool = solv->pool;
+  int oldcnt = dq->count;
+  int cutcnt, blkcnt;
+  Id p;
+  int i, j;
+
+#if 0
+  printf("ADD_COMPLEX_RECOMMENDS %s\n", pool_dep2str(pool, rec));
+#endif
+  i = pool_normalize_complex_dep(pool, rec, dq, CPLXDEPS_EXPAND);
+  if (i == 0 || i == 1)
+    return;
+  cutcnt = dq->count;
+  for (i = oldcnt; i < cutcnt; i++)
+    {
+      blkcnt = dq->count;
+      for (; (p = dq->elements[i]) != 0; i++)
+       {
+         if (p < 0)
+           {
+             if (solv->decisionmap[-p] <= 0)
+               break;
+             continue;
+           }
+         if (solv->decisionmap[p] > 0)
+           {
+             queue_truncate(dq, blkcnt);
+             break;
+           }
+         if (dqmap)
+           {
+             if (!MAPTST(dqmap, p))
+               continue;
+           }
+         else
+           {
+             if (solv->decisionmap[p] < 0)
+               continue;
+             if (solv->dupmap_all && solv->installed && pool->solvables[p].repo == solv->installed && (solv->droporphanedmap_all || (solv->droporphanedmap.size && MAPTST(&solv->droporphanedmap, p - solv->installed->start))))
+               continue;
+           }
+         queue_push(dq, p);
+       }
+      while (dq->elements[i])
+       i++;
+    }
+  queue_deleten(dq, oldcnt, cutcnt - oldcnt);
+  /* unify */
+  if (dq->count != oldcnt)
+    {
+      for (j = oldcnt; j < dq->count; j++)
+       {
+         p = dq->elements[j];
+         for (i = 0; i < j; i++)
+           if (dq->elements[i] == p)
+             {
+               dq->elements[j] = 0;
+               break;
+             }
+       }
+      for (i = j = oldcnt; j < dq->count; j++)
+       if (dq->elements[j])
+         dq->elements[i++] = dq->elements[j];
+      queue_truncate(dq, i);
+    }
+#if 0
+  printf("RETURN:\n");
+  for (i = oldcnt; i < dq->count; i++)
+    printf("  - %s\n", pool_solvid2str(pool, dq->elements[i]));
+#endif
+}
+
+static void
+do_complex_recommendations(Solver *solv, Id rec, Map *m, int noselected)
+{
+  Pool *pool = solv->pool;
+  Queue dq;
+  Id p;
+  int i, blk;
+
+#if 0
+  printf("DO_COMPLEX_RECOMMENDATIONS %s\n", pool_dep2str(pool, rec));
+#endif
+  queue_init(&dq);
+  i = pool_normalize_complex_dep(pool, rec, &dq, CPLXDEPS_EXPAND);
+  if (i == 0 || i == 1)
+    {
+      queue_free(&dq);
+      return;
+    }
+  for (i = 0; i < dq.count; i++)
+    {
+      blk = i;
+      for (; (p = dq.elements[i]) != 0; i++)
+       {
+         if (p < 0)
+           {
+             if (solv->decisionmap[-p] <= 0)
+               break;
+             continue;
+           }
+         if (solv->decisionmap[p] > 0)
+           {
+             if (noselected)
+               break;
+             MAPSET(m, p);
+             for (i++; (p = dq.elements[i]) != 0; i++)
+               if (p > 0 && solv->decisionmap[p] > 0)
+                 MAPSET(m, p);
+             p = 1;
+             break;
+           }
+       }
+      if (!p)
+       {
+         for (i = blk; (p = dq.elements[i]) != 0; i++)
+           if (p > 0)
+             MAPSET(m, p);
+       }
+      while (dq.elements[i])
+       i++;
+    }
+  queue_free(&dq);
+}
+
+#endif
+
 /*-------------------------------------------------------------------
- * 
+ *
  * solver_run_sat
  *
  * all rules have been set up, now actually run the solver
@@ -1665,7 +2067,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
    * if we encounter a problem, we rewind to a safe level and restart
    * with step 1
    */
-   
+
   minimizationsteps = 0;
   for (;;)
     {
@@ -1685,88 +2087,42 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
        }
 
       /*
-       * resolve jobs first
+       * resolve jobs first (unless focus_installed is set)
        */
-     if (level < systemlevel)
+     if (level < systemlevel && !solv->focus_installed)
        {
-         POOL_DEBUG(SOLV_DEBUG_SOLVER, "resolving job rules\n");
-         for (i = solv->jobrules, r = solv->rules + i; i < solv->jobrules_end; i++, r++)
+         olevel = level;
+         level = resolve_jobrules(solv, level, disablerules, &dq);
+         if (level < olevel)
            {
-             Id l;
-             if (r->d < 0)             /* ignore disabled rules */
-               continue;
-             queue_empty(&dq);
-             FOR_RULELITERALS(l, pp, r)
-               {
-                 if (l < 0)
-                   {
-                     if (solv->decisionmap[-l] <= 0)
-                       break;
-                   }
-                 else
-                   {
-                     if (solv->decisionmap[l] > 0)
-                       break;
-                     if (solv->decisionmap[l] == 0)
-                       queue_push(&dq, l);
-                   }
-               }
-             if (l || !dq.count)
-               continue;
-             /* prune to installed if not updating */
-             if (dq.count > 1 && solv->installed && !solv->updatemap_all &&
-                 !(solv->job.elements[solv->ruletojob.elements[i - solv->jobrules]] & SOLVER_ORUPDATE))
-               {
-                 int j, k;
-                 for (j = k = 0; j < dq.count; j++)
-                   {
-                     Solvable *s = pool->solvables + dq.elements[j];
-                     if (s->repo == solv->installed)
-                       {
-                         dq.elements[k++] = dq.elements[j];
-                         if (solv->updatemap.size && MAPTST(&solv->updatemap, dq.elements[j] - solv->installed->start))
-                           {
-                             k = 0;    /* package wants to be updated, do not prune */
-                             break;
-                           }
-                       }
-                   }
-                 if (k)
-                   dq.count = k;
-               }
-             olevel = level;
-             level = selectandinstall(solv, level, &dq, disablerules, i);
              if (level == 0)
-               break;
-             if (level <= olevel)
-               break;
+               break;  /* unsolvable */
+             continue;
            }
-          if (level == 0)
-           break;      /* unsolvable */
          systemlevel = level + 1;
-         if (i < solv->jobrules_end)
-           continue;
-          solv->decisioncnt_update = solv->decisionq.count;
-          solv->decisioncnt_keep = solv->decisionq.count;
        }
 
+
       /*
        * installed packages
        */
+      if (!solv->decisioncnt_update)
+       solv->decisioncnt_update = solv->decisionq.count;
       if (level < systemlevel && solv->installed && solv->installed->nsolvables && !solv->installed->disabled)
        {
          Repo *installed = solv->installed;
          int pass;
 
          POOL_DEBUG(SOLV_DEBUG_SOLVER, "resolving installed packages\n");
-         /* we use two passes if we need to update packages 
+         /* we use two passes if we need to update packages
            * to create a better user experience */
          for (pass = solv->updatemap.size ? 0 : 1; pass < 2; pass++)
            {
              int passlevel = level;
-             if (pass == 1)
+             Id *specialupdaters = solv->specialupdaters;
+             if (pass == 1 && !solv->decisioncnt_keep)
                solv->decisioncnt_keep = solv->decisionq.count;
-             /* start with installedpos, the position that gave us problems last time */
+             /* start with installedpos, the position that gave us problems the last time */
              for (i = installedpos, n = installed->start; n < installed->end; i++, n++)
                {
                  Rule *rr;
@@ -1778,8 +2134,8 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                  if (s->repo != installed)
                    continue;
 
-                 if (solv->decisionmap[i] > 0)
-                   continue;
+                 if (solv->decisionmap[i] > 0 && (!specialupdaters || !specialupdaters[i - installed->start]))
+                   continue;           /* already decided */
                  if (!pass && solv->updatemap.size && !MAPTST(&solv->updatemap, i - installed->start))
                    continue;           /* updates first */
                  r = solv->rules + solv->updaterules + (i - installed->start);
@@ -1788,21 +2144,35 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                    rr -= solv->installed->end - solv->installed->start;
                  if (!rr->p)           /* identical to update rule? */
                    rr = r;
-                 if (!rr->p)
+                 if (!rr->p && !(specialupdaters && specialupdaters[i - installed->start]))
                    continue;           /* orpaned package */
 
-                 /* XXX: noupdate check is probably no longer needed, as all jobs should
-                  * already be satisfied */
-                 /* Actually we currently still need it because of erase jobs */
-                 /* if noupdate is set we do not look at update candidates */
+                 /* check if we should update this package to the latest version
+                  * noupdate is set for erase jobs, in that case we want to deinstall
+                  * the installed package and not replace it with a newer version
+                  * rr->p != i is for dup jobs where the installed package cannot be kept */
                  queue_empty(&dq);
-                 if (!MAPTST(&solv->noupdate, i - installed->start) && (solv->decisionmap[i] < 0 || solv->updatemap_all || (solv->updatemap.size && MAPTST(&solv->updatemap, i - installed->start)) || rr->p != i))
+                 if (!MAPTST(&solv->noupdate, i - installed->start) && (solv->decisionmap[i] < 0 || solv->updatemap_all || (solv->updatemap.size && MAPTST(&solv->updatemap, i - installed->start)) || (rr->p && rr->p != i)))
                    {
-                     if (solv->noobsoletes.size && solv->multiversionupdaters
-                            && (d = solv->multiversionupdaters[i - installed->start]) != 0)
+                     if (!rr->p)
+                       {
+                         /* specialupdater with no update/feature rule */
+                         for (d = specialupdaters[i - installed->start]; (p = pool->whatprovidesdata[d++]) != 0; )
+                           {
+                             if (solv->decisionmap[p] > 0)
+                               {
+                                 dq.count = 0;
+                                 break;
+                               }
+                             if (!solv->decisionmap[p])
+                               queue_push(&dq, p);
+                           }
+                       }
+                     else if (specialupdaters && (d = specialupdaters[i - installed->start]) != 0)
                        {
                          /* special multiversion handling, make sure best version is chosen */
-                         queue_push(&dq, i);
+                         if (rr->p == i && solv->decisionmap[i] >= 0)
+                           queue_push(&dq, i);
                          while ((p = pool->whatprovidesdata[d++]) != 0)
                            if (solv->decisionmap[p] >= 0)
                              queue_push(&dq, p);
@@ -1825,7 +2195,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                        }
                      else
                        {
-                         /* update to best package */
+                         /* update to best package of the update rule */
                          FOR_RULELITERALS(p, pp, rr)
                            {
                              if (solv->decisionmap[p] > 0)
@@ -1907,6 +2277,21 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
          if (pass < 2)
            continue;           /* had trouble, retry */
        }
+      if (!solv->decisioncnt_keep)
+       solv->decisioncnt_keep = solv->decisionq.count;
+
+     if (level < systemlevel && solv->focus_installed)
+       {
+         olevel = level;
+         level = resolve_jobrules(solv, level, disablerules, &dq);
+         if (level < olevel)
+           {
+             if (level == 0)
+               break;  /* unsolvable */
+             continue;
+           }
+         systemlevel = level + 1;
+       }
 
       if (level < systemlevel)
         systemlevel = level;
@@ -1914,7 +2299,8 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
       /*
        * decide
        */
-      solv->decisioncnt_resolve = solv->decisionq.count;
+      if (!solv->decisioncnt_resolve)
+        solv->decisioncnt_resolve = solv->decisionq.count;
       POOL_DEBUG(SOLV_DEBUG_POLICY, "deciding unresolved rules\n");
       for (i = 1, n = 1; n < solv->nrules; i++, n++)
        {
@@ -1923,12 +2309,18 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
          r = solv->rules + i;
          if (r->d < 0)         /* ignore disabled rules */
            continue;
-         queue_empty(&dq);
+         if (r->p < 0)         /* most common cases first */
+           {
+             if (r->d == 0 || solv->decisionmap[-r->p] <= 0)
+               continue;
+           }
+         if (dq.count)
+           queue_empty(&dq);
          if (r->d == 0)
            {
              /* binary or unary rule */
-             /* need two positive undecided literals */
-             if (r->p < 0 || r->w2 <= 0)
+             /* need two positive undecided literals, r->p already checked above */
+             if (r->w2 <= 0)
                continue;
              if (solv->decisionmap[r->p] || solv->decisionmap[r->w2])
                continue;
@@ -1942,13 +2334,9 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                * no positive literal is installed
               * i.e. the rule is not fulfilled and we
                * just need to decide on the positive literals
+              * (decisionmap[-r->p] for the r->p < 0 case is already checked above)
                */
-             if (r->p < 0)
-               {
-                 if (solv->decisionmap[-r->p] <= 0)
-                   continue;
-               }
-             else
+             if (r->p >= 0)
                {
                  if (solv->decisionmap[r->p] > 0)
                    continue;
@@ -2014,9 +2402,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
          continue;             /* start over */
        }
 
-      /* at this point we have a consistent system. now do the extras... */
-
-      /* first decide leftover cleandeps packages */
+      /* decide leftover cleandeps packages */
       if (solv->cleandepsmap.size && solv->installed)
        {
          for (p = solv->installed->start; p < solv->installed->end; p++)
@@ -2037,7 +2423,10 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
            continue;
        }
 
-      solv->decisioncnt_weak = solv->decisionq.count;
+      /* at this point we have a consistent system. now do the extras... */
+
+      if (!solv->decisioncnt_weak)
+        solv->decisioncnt_weak = solv->decisionq.count;
       if (doweak)
        {
          int qcount;
@@ -2062,6 +2451,13 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                      recp = s->repo->idarraydata + s->recommends;
                      while ((rec = *recp++) != 0)
                        {
+#ifdef ENABLE_COMPLEX_DEPS
+                         if (pool_is_complex_dep(pool, rec))
+                           {
+                             add_complex_recommends(solv, rec, &dq, 0);
+                             continue;
+                           }
+#endif
                          qcount = dq.count;
                          FOR_PROVIDES(p, pp, rec)
                            {
@@ -2110,7 +2506,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                    continue;
                  if (solv->decisionmap[p] <= 0)
                    continue;
-                 if (solv->noobsoletes.size && MAPTST(&solv->noobsoletes, p))
+                 if (solv->multiversion.size && MAPTST(&solv->multiversion, p))
                    continue;
                  obsp = s->repo->idarraydata + s->obsoletes;
                  /* foreach obsoletes */
@@ -2132,6 +2528,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
           /* filter out all already supplemented packages if requested */
           if (!solv->addalreadyrecommended && dqs.count)
            {
+             int dosplitprovides_old = solv->dosplitprovides;
              /* turn off all new packages */
              for (i = 0; i < solv->decisionq.count; i++)
                {
@@ -2142,6 +2539,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                  if (s->repo && s->repo != solv->installed)
                    solv->decisionmap[p] = -solv->decisionmap[p];
                }
+             solv->dosplitprovides = 0;
              /* filter out old supplements */
              for (i = j = 0; i < dqs.count; i++)
                {
@@ -2151,6 +2549,8 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                    continue;
                  if (!solver_is_supplementing(solv, s))
                    dqs.elements[j++] = p;
+                 else if (solv->installsuppdepq && solver_check_installsuppdepq(solv, s))
+                   dqs.elements[j++] = p;
                }
              dqs.count = j;
              /* undo turning off */
@@ -2163,17 +2563,18 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                  if (s->repo && s->repo != solv->installed)
                    solv->decisionmap[p] = -solv->decisionmap[p];
                }
+             solv->dosplitprovides = dosplitprovides_old;
            }
 
          /* multiversion doesn't mix well with supplements.
           * filter supplemented packages where we already decided
           * to install a different version (see bnc#501088) */
-          if (dqs.count && solv->noobsoletes.size)
+          if (dqs.count && solv->multiversion.size)
            {
              for (i = j = 0; i < dqs.count; i++)
                {
                  p = dqs.elements[i];
-                 if (MAPTST(&solv->noobsoletes, p))
+                 if (MAPTST(&solv->multiversion, p))
                    {
                      Id p2, pp2;
                      s = pool->solvables + p;
@@ -2260,6 +2661,11 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                  while ((rec = *recp++) != 0)
                    {
                      queue_empty(&dq);
+#ifdef ENABLE_COMPLEX_DEPS
+                     if (pool_is_complex_dep(pool, rec))
+                         add_complex_recommends(solv, rec, &dq, &dqmap);
+                     else
+#endif
                      FOR_PROVIDES(p, pp, rec)
                        {
                          if (solv->decisionmap[p] > 0)
@@ -2268,16 +2674,17 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                              break;
                            }
                          else if (solv->decisionmap[p] == 0 && MAPTST(&dqmap, p))
-                           queue_pushunique(&dq, p);
+                           queue_push(&dq, p);
                        }
                      if (!dq.count)
                        continue;
                      if (dq.count > 1)
                        {
                          /* multiple candidates, open a branch */
+                         queue_push(&solv->branches, -dq.elements[0]);
                          for (i = 1; i < dq.count; i++)
                            queue_push(&solv->branches, dq.elements[i]);
-                         queue_push(&solv->branches, -level);
+                         queue_push(&solv->branches, level);
                        }
                      p = dq.elements[0];
                      POOL_DEBUG(SOLV_DEBUG_POLICY, "installing recommended %s\n", pool_solvid2str(pool, p));
@@ -2296,7 +2703,8 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
            }
        }
 
-      solv->decisioncnt_orphan = solv->decisionq.count;
+      if (!solv->decisioncnt_orphan)
+        solv->decisioncnt_orphan = solv->decisionq.count;
       if (solv->dupmap_all && solv->installed)
        {
          int installedone = 0;
@@ -2342,9 +2750,53 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
                break;
              continue;         /* back to main loop */
            }
+          if (solv->brokenorphanrules)
+           {
+             solver_check_brokenorphanrules(solv, &dq);
+             if (dq.count)
+               {
+                 policy_filter_unwanted(solv, &dq, POLICY_MODE_CHOOSE);
+                 for (i = 0; i < dq.count; i++)
+                   {
+                     p = dq.elements[i];
+                     POOL_DEBUG(SOLV_DEBUG_POLICY, "installing orphaned dep %s\n", pool_solvid2str(pool, p));
+                     olevel = level;
+                     level = setpropagatelearn(solv, level, p, 0, 0);
+                     if (level < olevel)
+                       break;
+                   }
+                 if (level == 0)
+                   break;
+                 continue;
+               }
+           }
+       }
+
+     /* one final pass to make sure we decided all installed packages */
+      if (solv->installed)
+       {
+         for (p = solv->installed->start; p < solv->installed->end; p++)
+           {
+             if (solv->decisionmap[p])
+               continue;       /* already decided */
+             s = pool->solvables + p;
+             if (s->repo != solv->installed)
+               continue;
+             POOL_DEBUG(SOLV_DEBUG_SOLVER, "removing unwanted %s\n", pool_solvid2str(pool, p));
+             olevel = level;
+             level = setpropagatelearn(solv, level, -p, 0, 0);
+             if (level < olevel)
+               break;
+           }
+         if (p < solv->installed->end)
+           {
+             if (level == 0)
+               break;
+             continue;         /* back to main loop */
+           }
        }
 
-     if (solv->installed && solv->cleandepsmap.size)
+      if (solv->installed && solv->cleandepsmap.size)
        {
          if (cleandeps_check_mistakes(solv, level))
            {
@@ -2354,69 +2806,130 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
            }
        }
 
-     if (solv->solution_callback)
+      if (solv->solution_callback)
        {
          solv->solution_callback(solv, solv->solution_callback_data);
          if (solv->branches.count)
            {
-             int i = solv->branches.count - 1;
-             int l = -solv->branches.elements[i];
+             int l, endi = 0;
              Id why;
-
-             for (; i > 0; i--)
-               if (solv->branches.elements[i - 1] < 0)
-                 break;
-             p = solv->branches.elements[i];
-             POOL_DEBUG(SOLV_DEBUG_SOLVER, "branching with %s\n", pool_solvid2str(pool, p));
-             queue_empty(&dq);
-             for (j = i + 1; j < solv->branches.count; j++)
-               queue_push(&dq, solv->branches.elements[j]);
-             solv->branches.count = i;
-             level = l;
-             revert(solv, level);
-             if (dq.count > 1)
-               for (j = 0; j < dq.count; j++)
-                 queue_push(&solv->branches, dq.elements[j]);
-             olevel = level;
-             why = -solv->decisionq_why.elements[solv->decisionq_why.count];
-             assert(why >= 0);
-             level = setpropagatelearn(solv, level, p, disablerules, why);
-             if (level == 0)
-               break;
-             continue;
+             p = l = 0;
+             for (i = solv->branches.count - 1; i >= 0; i--)
+               {
+                 p = solv->branches.elements[i];
+                 if (p > 0 && !l)
+                   {
+                     endi = i + 1;
+                     l = p;
+                   }
+                 else if (p > 0)
+                   break;
+                 else if (p < 0)
+                   l = 0;
+               }
+             if (i >= 0)
+               {
+                 while (i > 0 && solv->branches.elements[i - 1] > 0)
+                   i--;
+                 p = solv->branches.elements[i];
+                 solv->branches.elements[i] = -p;
+                 while (i > 0 && solv->branches.elements[i - 1] < 0)
+                   i--;
+                 POOL_DEBUG(SOLV_DEBUG_SOLVER, "branching with %s\n", pool_solvid2str(pool, p));
+                 queue_empty(&dq);
+                 queue_insertn(&dq, 0, endi - i, solv->branches.elements + i);
+                 level = l;
+                 revert(solv, level);
+                 queue_insertn(&solv->branches, solv->branches.count, dq.count, dq.elements);
+                 /* hack: revert simply sets the count, so we can still access the reverted elements */
+                 why = -solv->decisionq_why.elements[solv->decisionq_why.count];
+                 assert(why >= 0);
+                 olevel = level;
+                 level = setpropagatelearn(solv, level, p, disablerules, why);
+                 if (level == 0)
+                   break;
+                 continue;
+               }
            }
          /* all branches done, we're finally finished */
          break;
        }
 
       /* auto-minimization step */
-     if (solv->branches.count)
+      if (solv->branches.count)
        {
-         int l = 0, lasti = -1, lastl = -1;
+         int l = 0, lasti = -1, lastsi = -1, endi = 0;
          Id why;
-
-         p = 0;
+         p = l = 0;
+         if (solv->recommends_index < solv->decisionq.count)
+           policy_update_recommendsmap(solv);
          for (i = solv->branches.count - 1; i >= 0; i--)
            {
              p = solv->branches.elements[i];
-             if (p < 0)
-               l = -p;
-             else if (p > 0 && solv->decisionmap[p] > l + 1)
+             if (p > 0 && !l)
                {
-                 lasti = i;
-                 lastl = l;
+                 l = p;
+                 endi = i + 1;
+                 lastsi = -1;
+               }
+             else if (p > 0)
+               {
+                 if (solv->decisionmap[p] > l + 1)
+                   lasti = i;
+                 else
+                   {
+                     if (MAPTST(&solv->recommendsmap, p) || solver_is_supplementing(solv, pool->solvables + p))
+                       {
+                         lastsi = p;
+                       }
+                   }
+               }
+             else if (p < 0)
+               {
+                 l = 0;
+                 if (lastsi >= 0)
+                   {
+                     p = -p;
+                     if (solv->decisionmap[p] == l)
+                       {
+                         if (!(MAPTST(&solv->recommendsmap, p) || solver_is_supplementing(solv, pool->solvables + p)))
+                           lasti = lastsi;
+                       }
+                   }
                }
            }
          if (lasti >= 0)
            {
-             /* kill old solvable so that we do not loop */
+             int starti;
+             /* find start of branch */
+             for (i = lasti; i && solv->branches.elements[i] >= 0; )
+               i--;
+             while (i > 0 && solv->branches.elements[i] < 0)
+               i--;
+             starti = i ? i + 1 : 0;
+#if 0
+             printf("minimization group level %d [%d-%d]:\n", solv->branches.elements[endi - 1], starti, endi);
+             for (i = starti; i < endi - 1; i++)
+               printf("%c %c%s\n", i == lasti ? 'x' : ' ', solv->branches.elements[i] >= 0 ? ' ' : '-', pool_solvid2str(pool, solv->branches.elements[i] >= 0 ? solv->branches.elements[i] : -solv->branches.elements[i]));
+#endif
+             l = solv->branches.elements[endi - 1];
              p = solv->branches.elements[lasti];
-             solv->branches.elements[lasti] = 0;
-             POOL_DEBUG(SOLV_DEBUG_SOLVER, "minimizing %d -> %d with %s\n", solv->decisionmap[p], lastl, pool_solvid2str(pool, p));
+             solv->branches.elements[lasti] = -p;
+             POOL_DEBUG(SOLV_DEBUG_SOLVER, "minimizing %d -> %d with %s\n", solv->decisionmap[p], l, pool_solvid2str(pool, p));
              minimizationsteps++;
-
-             level = lastl;
+             queue_empty(&dq);
+             for (i = starti; i < endi - 1; i++)
+               if (solv->branches.elements[i] < 0)
+                 queue_push(&dq, solv->branches.elements[i]);
+             for (i = starti; i < endi; i++)
+               if (solv->branches.elements[i] > 0)
+                 queue_push(&dq, solv->branches.elements[i]);
+             if (dq.elements[dq.count - 2] <= 0)
+               queue_empty(&dq);
+             level = l;
              revert(solv, level);
+             queue_insertn(&solv->branches, solv->branches.count, dq.count, dq.elements);
+             /* hack: revert simply sets the count, so we can still access the reverted elements */
              why = -solv->decisionq_why.elements[solv->decisionq_why.count];
              assert(why >= 0);
              olevel = level;
@@ -2438,6 +2951,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
   if (level == 0)
     {
       /* unsolvable */
+      solv->decisioncnt_jobs = solv->decisionq.count;
       solv->decisioncnt_update = solv->decisionq.count;
       solv->decisioncnt_keep = solv->decisionq.count;
       solv->decisioncnt_resolve = solv->decisionq.count;
@@ -2451,7 +2965,7 @@ solver_run_sat(Solver *solv, int disablerules, int doweak)
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * remove disabled conflicts
  *
  * purpose: update the decisionmap after some rules were disabled.
@@ -2579,7 +3093,7 @@ weaken_solvable_deps(Solver *solv, Id p)
   int i;
   Rule *r;
 
-  for (i = 1, r = solv->rules + i; i < solv->rpmrules_end; i++, r++)
+  for (i = 1, r = solv->rules + i; i < solv->pkgrules_end; i++, r++)
     {
       if (r->p != -p)
        continue;
@@ -2595,7 +3109,7 @@ weaken_solvable_deps(Solver *solv, Id p)
 
 
 void
-solver_calculate_noobsmap(Pool *pool, Queue *job, Map *noobsmap)
+solver_calculate_multiversionmap(Pool *pool, Queue *job, Map *multiversionmap)
 {
   int i;
   Id how, what, select;
@@ -2603,16 +3117,16 @@ solver_calculate_noobsmap(Pool *pool, Queue *job, Map *noobsmap)
   for (i = 0; i < job->count; i += 2)
     {
       how = job->elements[i];
-      if ((how & SOLVER_JOBMASK) != SOLVER_NOOBSOLETES)
+      if ((how & SOLVER_JOBMASK) != SOLVER_MULTIVERSION)
        continue;
       what = job->elements[i + 1];
       select = how & SOLVER_SELECTMASK;
-      if (!noobsmap->size)
-       map_grow(noobsmap, pool->nsolvables);
+      if (!multiversionmap->size)
+       map_grow(multiversionmap, pool->nsolvables);
       if (select == SOLVER_SOLVABLE_ALL)
        {
          FOR_POOL_SOLVABLES(p)
-           MAPSET(noobsmap, p);
+           MAPSET(multiversionmap, p);
        }
       else if (select == SOLVER_SOLVABLE_REPO)
        {
@@ -2620,13 +3134,19 @@ solver_calculate_noobsmap(Pool *pool, Queue *job, Map *noobsmap)
          Repo *repo = pool_id2repo(pool, what);
          if (repo)
            FOR_REPO_SOLVABLES(repo, p, s)
-             MAPSET(noobsmap, p);
+             MAPSET(multiversionmap, p);
        }
       FOR_JOB_SELECT(p, pp, select, what)
-        MAPSET(noobsmap, p);
+        MAPSET(multiversionmap, p);
     }
 }
 
+void
+solver_calculate_noobsmap(Pool *pool, Queue *job, Map *multiversionmap)
+{
+  solver_calculate_multiversionmap(pool, job, multiversionmap);
+}
+
 /*
  * add a rule created by a job, record job number and weak flag
  */
@@ -2639,6 +3159,17 @@ solver_addjobrule(Solver *solv, Id p, Id d, Id job, int weak)
     queue_push(&solv->weakruleq, solv->nrules - 1);
 }
 
+static inline void
+add_cleandeps_package(Solver *solv, Id p)
+{
+  if (!solv->cleandeps_updatepkgs)
+    {
+      solv->cleandeps_updatepkgs = solv_calloc(1, sizeof(Queue));
+      queue_init(solv->cleandeps_updatepkgs);
+    }
+  queue_pushunique(solv->cleandeps_updatepkgs, p);
+}
+
 static void
 add_update_target(Solver *solv, Id p, Id how)
 {
@@ -2667,6 +3198,8 @@ add_update_target(Solver *solv, Id p, Id how)
            map_grow(&solv->bestupdatemap, installed->end - installed->start);
          MAPSET(&solv->bestupdatemap, pi - installed->start);
        }
+      if (how & SOLVER_CLEANDEPS)
+       add_cleandeps_package(solv, pi);
       queue_push2(solv->update_targets, pi, p);
       /* check if it's ok to keep the installed package */
       if (s->evr == si->evr && solvable_identical(s, si))
@@ -2677,7 +3210,7 @@ add_update_target(Solver *solv, Id p, Id how)
       Id obs, *obsp = s->repo->idarraydata + s->obsoletes;
       while ((obs = *obsp++) != 0)
        {
-         FOR_PROVIDES(pi, pip, obs) 
+         FOR_PROVIDES(pi, pip, obs)
            {
              Solvable *si = pool->solvables + pi;
              if (si->repo != installed)
@@ -2694,6 +3227,8 @@ add_update_target(Solver *solv, Id p, Id how)
                    map_grow(&solv->bestupdatemap, installed->end - installed->start);
                  MAPSET(&solv->bestupdatemap, pi - installed->start);
                }
+             if (how & SOLVER_CLEANDEPS)
+               add_cleandeps_package(solv, pi);
              queue_push2(solv->update_targets, pi, p);
            }
        }
@@ -2726,7 +3261,7 @@ transform_update_targets(Solver *solv)
     }
   if (update_targets->count > 2)
     solv_sort(update_targets->elements, update_targets->count >> 1, 2 * sizeof(Id), transform_update_targets_sortfn, solv);
-  queue_insertn(update_targets, 0, installed->end - installed->start);
+  queue_insertn(update_targets, 0, installed->end - installed->start, 0);
   lastp = lastq = 0;
   for (i = j = installed->end - installed->start; i < update_targets->count; i += 2)
     {
@@ -2751,6 +3286,74 @@ transform_update_targets(Solver *solv)
 }
 
 
+static void
+addedmap2deduceq(Solver *solv, Map *addedmap)
+{
+  Pool *pool = solv->pool;
+  int i, j;
+  Id p;
+  Rule *r;
+
+  queue_empty(&solv->addedmap_deduceq);
+  for (i = 2, j = solv->pkgrules_end - 1; i < pool->nsolvables && j > 0; j--)
+    {
+      r = solv->rules + j;
+      if (r->p >= 0)
+       continue;
+      if ((r->d == 0 || r->d == -1) && r->w2 < 0)
+       continue;
+      p = -r->p;
+      if (!MAPTST(addedmap, p))
+       {
+         /* should never happen, but... */
+         if (!solv->addedmap_deduceq.count || solv->addedmap_deduceq.elements[solv->addedmap_deduceq.count - 1] != -p)
+            queue_push(&solv->addedmap_deduceq, -p);
+         continue;
+       }
+      for (; i < p; i++)
+        if (MAPTST(addedmap, i))
+          queue_push(&solv->addedmap_deduceq, i);
+      if (i == p)
+        i++;
+    }
+  for (; i < pool->nsolvables; i++)
+    if (MAPTST(addedmap, i))
+      queue_push(&solv->addedmap_deduceq, i);
+  j = 0;
+  for (i = 2; i < pool->nsolvables; i++)
+    if (MAPTST(addedmap, i))
+      j++;
+}
+
+static void
+deduceq2addedmap(Solver *solv, Map *addedmap)
+{
+  int j;
+  Id p;
+  Rule *r;
+  for (j = solv->pkgrules_end - 1; j > 0; j--)
+    {
+      r = solv->rules + j;
+      if (r->d < 0 && r->p)
+       solver_enablerule(solv, r);
+      if (r->p >= 0)
+       continue;
+      if ((r->d == 0 || r->d == -1) && r->w2 < 0)
+       continue;
+      p = -r->p;
+      MAPSET(addedmap, p);
+    }
+  for (j = 0; j < solv->addedmap_deduceq.count; j++)
+    {
+      p = solv->addedmap_deduceq.elements[j];
+      if (p > 0)
+       MAPSET(addedmap, p);
+      else
+       MAPCLR(addedmap, p);
+    }
+}
+
+
 /*
  *
  * solve job queue
@@ -2763,8 +3366,8 @@ solver_solve(Solver *solv, Queue *job)
   Pool *pool = solv->pool;
   Repo *installed = solv->installed;
   int i;
-  int oldnrules;
-  Map addedmap;                       /* '1' == have rpm-rules for solvable */
+  int oldnrules, initialnrules;
+  Map addedmap;                       /* '1' == have pkg-rules for solvable */
   Map installcandidatemap;
   Id how, what, select, name, weak, p, pp, d;
   Queue q;
@@ -2781,7 +3384,7 @@ solver_solve(Solver *solv, Queue *job)
   POOL_DEBUG(SOLV_DEBUG_STATS, "dosplitprovides=%d, noupdateprovide=%d, noinfarchcheck=%d\n", solv->dosplitprovides, solv->noupdateprovide, solv->noinfarchcheck);
   POOL_DEBUG(SOLV_DEBUG_STATS, "allowuninstall=%d, allowdowngrade=%d, allownamechange=%d, allowarchchange=%d, allowvendorchange=%d\n", solv->allowuninstall, solv->allowdowngrade, solv->allownamechange, solv->allowarchchange, solv->allowvendorchange);
   POOL_DEBUG(SOLV_DEBUG_STATS, "promoteepoch=%d, forbidselfconflicts=%d\n", pool->promoteepoch, pool->forbidselfconflicts);
-  POOL_DEBUG(SOLV_DEBUG_STATS, "obsoleteusesprovides=%d, implicitobsoleteusesprovides=%d, obsoleteusescolors=%d\n", pool->obsoleteusesprovides, pool->implicitobsoleteusesprovides, pool->obsoleteusescolors);
+  POOL_DEBUG(SOLV_DEBUG_STATS, "obsoleteusesprovides=%d, implicitobsoleteusesprovides=%d, obsoleteusescolors=%d, implicitobsoleteusescolors=%d\n", pool->obsoleteusesprovides, pool->implicitobsoleteusesprovides, pool->obsoleteusescolors, pool->implicitobsoleteusescolors);
   POOL_DEBUG(SOLV_DEBUG_STATS, "dontinstallrecommended=%d, addalreadyrecommended=%d\n", solv->dontinstallrecommended, solv->addalreadyrecommended);
 
   /* create whatprovides if not already there */
@@ -2794,19 +3397,69 @@ solver_solve(Solver *solv, Queue *job)
   /* remember job */
   queue_free(&solv->job);
   queue_init_clone(&solv->job, job);
-
-  if (solv->update_targets)
+  solv->pooljobcnt = pool->pooljobs.count;
+  if (pool->pooljobs.count)
+    queue_insertn(&solv->job, 0, pool->pooljobs.count, pool->pooljobs.elements);
+  job = &solv->job;
+
+  /* free old stuff in jase we re-run a solver */
+  queuep_free(&solv->update_targets);
+  queuep_free(&solv->cleandeps_updatepkgs);
+  queue_empty(&solv->ruleassertions);
+  solv->bestrules_pkg = solv_free(solv->bestrules_pkg);
+  solv->yumobsrules_info = solv_free(solv->yumobsrules_info);
+  solv->choicerules_ref = solv_free(solv->choicerules_ref);
+  if (solv->noupdate.size)
+    map_empty(&solv->noupdate);
+  map_zerosize(&solv->multiversion);
+  solv->updatemap_all = 0;
+  map_zerosize(&solv->updatemap);
+  solv->bestupdatemap_all = 0;
+  map_zerosize(&solv->bestupdatemap);
+  solv->fixmap_all = 0;
+  map_zerosize(&solv->fixmap);
+  solv->dupmap_all = 0;
+  map_zerosize(&solv->dupmap);
+  map_zerosize(&solv->dupinvolvedmap);
+  solv->droporphanedmap_all = 0;
+  map_zerosize(&solv->droporphanedmap);
+  map_zerosize(&solv->cleandepsmap);
+  map_zerosize(&solv->weakrulemap);
+  queue_empty(&solv->weakruleq);
+  solv->watches = solv_free(solv->watches);
+  queue_empty(&solv->ruletojob);
+  if (solv->decisionq.count)
+    memset(solv->decisionmap, 0, pool->nsolvables * sizeof(Id));
+  queue_empty(&solv->decisionq);
+  queue_empty(&solv->decisionq_why);
+  solv->decisioncnt_jobs = solv->decisioncnt_update = solv->decisioncnt_keep = solv->decisioncnt_resolve = solv->decisioncnt_weak = solv->decisioncnt_orphan = 0;
+  queue_empty(&solv->learnt_why);
+  queue_empty(&solv->learnt_pool);
+  queue_empty(&solv->branches);
+  solv->propagate_index = 0;
+  queue_empty(&solv->problems);
+  queue_empty(&solv->solutions);
+  queue_empty(&solv->orphaned);
+  solv->stats_learned = solv->stats_unsolvable = 0;
+  if (solv->recommends_index)
     {
-      queue_free(solv->update_targets);
-      solv->update_targets = solv_free(solv->update_targets);
+      map_empty(&solv->recommendsmap);
+      map_empty(&solv->suggestsmap);
+      queuep_free(&solv->recommendscplxq);
+      queuep_free(&solv->suggestscplxq);
+      solv->recommends_index = 0;
     }
+  queuep_free(&solv->brokenorphanrules);
+  solv->specialupdaters = solv_free(solv->specialupdaters);
+
+
   /*
    * create basic rule set of all involved packages
    * use addedmap bitmap to make sure we don't create rules twice
    */
 
-  /* create noobsolete map if needed */
-  solver_calculate_noobsmap(pool, job, &solv->noobsoletes);
+  /* create multiversion map if needed */
+  solver_calculate_multiversionmap(pool, job, &solv->multiversion);
 
   map_init(&addedmap, pool->nsolvables);
   MAPSET(&addedmap, SYSTEMSOLVABLE);
@@ -2817,12 +3470,21 @@ solver_solve(Solver *solv, Queue *job)
   now = solv_timems(0);
   /*
    * create rules for all package that could be involved with the solving
-   * so called: rpm rules
+   * so called: pkg rules
    *
    */
+  initialnrules = solv->pkgrules_end ? solv->pkgrules_end : 1;
+  if (initialnrules > 1)
+    deduceq2addedmap(solv, &addedmap);
+  if (solv->nrules != initialnrules)
+    solver_shrinkrules(solv, initialnrules);
+  solv->nrules = initialnrules;
+  solv->pkgrules_end = 0;
+
   if (installed)
     {
       /* check for update/verify jobs as they need to be known early */
+      /* also setup the droporphaned map, we need it when creating update rules */
       for (i = 0; i < job->count; i += 2)
        {
          how = job->elements[i];
@@ -2849,6 +3511,11 @@ solver_solve(Solver *solv, Queue *job)
                  solv->updatemap_all = 1;
                  if (how & SOLVER_FORCEBEST)
                    solv->bestupdatemap_all = 1;
+                 if (how & SOLVER_CLEANDEPS)
+                   {
+                     FOR_REPO_SOLVABLES(installed, p, s)
+                       add_cleandeps_package(solv, p);
+                   }
                }
              else if (select == SOLVER_SOLVABLE_REPO)
                {
@@ -2860,6 +3527,11 @@ solver_solve(Solver *solv, Queue *job)
                      solv->updatemap_all = 1;
                      if (how & SOLVER_FORCEBEST)
                        solv->bestupdatemap_all = 1;
+                     if (how & SOLVER_CLEANDEPS)
+                       {
+                         FOR_REPO_SOLVABLES(installed, p, s)
+                           add_cleandeps_package(solv, p);
+                       }
                      break;
                    }
                  if (solv->noautotarget && !(how & SOLVER_TARGETED))
@@ -2887,6 +3559,8 @@ solver_solve(Solver *solv, Queue *job)
                                map_grow(&solv->bestupdatemap, installed->end - installed->start);
                              MAPSET(&solv->bestupdatemap, p - installed->start);
                            }
+                         if (how & SOLVER_CLEANDEPS)
+                           add_cleandeps_package(solv, p);
                          targeted = 0;
                        }
                      if (!targeted || solv->noautotarget)
@@ -2896,6 +3570,19 @@ solver_solve(Solver *solv, Queue *job)
                    add_update_target(solv, p, how);
                }
              break;
+           case SOLVER_DROP_ORPHANED:
+             if (select == SOLVER_SOLVABLE_ALL || (select == SOLVER_SOLVABLE_REPO && what == installed->repoid))
+               solv->droporphanedmap_all = 1;
+             FOR_JOB_SELECT(p, pp, select, what)
+               {
+                 s = pool->solvables + p;
+                 if (s->repo != installed)
+                   continue;
+                 if (!solv->droporphanedmap.size)
+                   map_grow(&solv->droporphanedmap, installed->end - installed->start);
+                 MAPSET(&solv->droporphanedmap, p - installed->start);
+               }
+             break;
            default:
              break;
            }
@@ -2906,19 +3593,19 @@ solver_solve(Solver *solv, Queue *job)
 
       oldnrules = solv->nrules;
       FOR_REPO_SOLVABLES(installed, p, s)
-       solver_addrpmrulesforsolvable(solv, s, &addedmap);
-      POOL_DEBUG(SOLV_DEBUG_STATS, "added %d rpm rules for installed solvables\n", solv->nrules - oldnrules);
+       solver_addpkgrulesforsolvable(solv, s, &addedmap);
+      POOL_DEBUG(SOLV_DEBUG_STATS, "added %d pkg rules for installed solvables\n", solv->nrules - oldnrules);
       oldnrules = solv->nrules;
       FOR_REPO_SOLVABLES(installed, p, s)
-       solver_addrpmrulesforupdaters(solv, s, &addedmap, 1);
-      POOL_DEBUG(SOLV_DEBUG_STATS, "added %d rpm rules for updaters of installed solvables\n", solv->nrules - oldnrules);
+       solver_addpkgrulesforupdaters(solv, s, &addedmap, 1);
+      POOL_DEBUG(SOLV_DEBUG_STATS, "added %d pkg rules for updaters of installed solvables\n", solv->nrules - oldnrules);
     }
 
   /*
    * create rules for all packages involved in the job
    * (to be installed or removed)
    */
-    
+
   oldnrules = solv->nrules;
   for (i = 0; i < job->count; i += 2)
     {
@@ -2932,7 +3619,7 @@ solver_solve(Solver *solv, Queue *job)
          FOR_JOB_SELECT(p, pp, select, what)
            {
              MAPSET(&installcandidatemap, p);
-             solver_addrpmrulesforsolvable(solv, pool->solvables + p, &addedmap);
+             solver_addpkgrulesforsolvable(solv, pool->solvables + p, &addedmap);
            }
          break;
        case SOLVER_DISTUPGRADE:
@@ -2950,18 +3637,24 @@ solver_solve(Solver *solv, Queue *job)
          break;
        }
     }
-  POOL_DEBUG(SOLV_DEBUG_STATS, "added %d rpm rules for packages involved in a job\n", solv->nrules - oldnrules);
+  POOL_DEBUG(SOLV_DEBUG_STATS, "added %d pkg rules for packages involved in a job\n", solv->nrules - oldnrules);
+
 
-    
   /*
    * add rules for suggests, enhances
    */
   oldnrules = solv->nrules;
-  solver_addrpmrulesforweak(solv, &addedmap);
-  POOL_DEBUG(SOLV_DEBUG_STATS, "added %d rpm rules because of weak dependencies\n", solv->nrules - oldnrules);
+  solver_addpkgrulesforweak(solv, &addedmap);
+  POOL_DEBUG(SOLV_DEBUG_STATS, "added %d pkg rules because of weak dependencies\n", solv->nrules - oldnrules);
+
+#ifdef ENABLE_LINKED_PKGS
+  oldnrules = solv->nrules;
+  solver_addpkgrulesforlinked(solv, &addedmap);
+  POOL_DEBUG(SOLV_DEBUG_STATS, "added %d pkg rules because of linked packages\n", solv->nrules - oldnrules);
+#endif
 
   /*
-   * first pass done, we now have all the rpm rules we need.
+   * first pass done, we now have all the pkg rules we need.
    * unify existing rules before going over all job rules and
    * policy rules.
    * at this point the system is always solvable,
@@ -2981,11 +3674,15 @@ solver_solve(Solver *solv, Queue *job)
       POOL_DEBUG(SOLV_DEBUG_STATS, "%d of %d installable solvables considered for solving\n", possible, installable);
     }
 
-  solver_unifyrules(solv);                          /* remove duplicate rpm rules */
-  solv->rpmrules_end = solv->nrules;              /* mark end of rpm rules */
+  if (solv->nrules > initialnrules)
+    solver_unifyrules(solv);                   /* remove duplicate pkg rules */
+  solv->pkgrules_end = solv->nrules;           /* mark end of pkg rules */
 
-  POOL_DEBUG(SOLV_DEBUG_STATS, "rpm rule memory used: %d K\n", solv->nrules * (int)sizeof(Rule) / 1024);
-  POOL_DEBUG(SOLV_DEBUG_STATS, "rpm rule creation took %d ms\n", solv_timems(now));
+  if (solv->nrules > initialnrules)
+    addedmap2deduceq(solv, &addedmap);         /* so that we can recreate the addedmap */
+
+  POOL_DEBUG(SOLV_DEBUG_STATS, "pkg rule memory used: %d K\n", solv->nrules * (int)sizeof(Rule) / 1024);
+  POOL_DEBUG(SOLV_DEBUG_STATS, "pkg rule creation took %d ms\n", solv_timems(now));
 
   /* create dup maps if needed. We need the maps early to create our
    * update rules */
@@ -2994,16 +3691,16 @@ solver_solve(Solver *solv, Queue *job)
 
   /*
    * create feature rules
-   * 
+   *
    * foreach installed:
    *   create assertion (keep installed, if no update available)
    *   or
    *   create update rule (A|update1(A)|update2(A)|...)
-   * 
+   *
    * those are used later on to keep a version of the installed packages in
    * best effort mode
    */
-    
+
   solv->featurerules = solv->nrules;              /* mark start of feature rules */
   if (installed)
     {
@@ -3024,11 +3721,11 @@ solver_solve(Solver *solv, Queue *job)
 
     /*
      * Add update rules for installed solvables
-     * 
+     *
      * almost identical to feature rules
      * except that downgrades/archchanges/vendorchanges are not allowed
      */
-    
+
   solv->updaterules = solv->nrules;
 
   if (installed)
@@ -3048,20 +3745,16 @@ solver_solve(Solver *solv, Queue *job)
           * check for and remove duplicate
           */
          r = solv->rules + solv->nrules - 1;           /* r: update rule */
+          if (!r->p)
+           continue;
          sr = r - (installed->end - installed->start); /* sr: feature rule */
-         /* it's orphaned if there is no feature rule or the feature rule
-           * consists just of the installed package */
-         if (!sr->p || (sr->p == i && !sr->d && !sr->w2))
+         /* it's also orphaned if the feature rule consists just of the installed package */
+         if (!solv->dupmap_all && sr->p == i && !sr->d && !sr->w2)
            queue_push(&solv->orphaned, i);
-          if (!r->p)
-           {
-             assert(solv->dupmap_all && !sr->p);
-             continue;
-           }
          if (!solver_rulecmp(solv, r, sr))
            memset(sr, 0, sizeof(*sr));         /* delete unneeded feature rule */
          else
-           solver_disablerule(solv, sr);       /* disable feature rule */
+           solver_disablerule(solv, sr);       /* disable feature rule for now */
        }
       /* consistency check: we added a rule for _every_ installed solvable */
       assert(solv->nrules - solv->updaterules == installed->end - installed->start);
@@ -3074,15 +3767,12 @@ solver_solve(Solver *solv, Queue *job)
    */
 
   solv->jobrules = solv->nrules;
-  if (solv->cleandeps_updatepkgs)
-    {
-      queue_free(solv->cleandeps_updatepkgs);
-      solv->cleandeps_updatepkgs = solv_free(solv->cleandeps_updatepkgs);
-    }
   for (i = 0; i < job->count; i += 2)
     {
       oldnrules = solv->nrules;
 
+      if (i && i == solv->pooljobcnt)
+        POOL_DEBUG(SOLV_DEBUG_JOB, "end of pool jobs\n");
       how = job->elements[i];
       what = job->elements[i + 1];
       weak = how & SOLVER_WEAK;
@@ -3105,12 +3795,29 @@ solver_solve(Solver *solv, Queue *job)
                queue_push(&q, p);
              if (!q.count)
                {
-                 /* no candidate found, make this an impossible rule */
+                 if (select == SOLVER_SOLVABLE_ONE_OF)
+                   break;      /* ignore empty installs */
+                 /* no candidate found or unsupported, make this an impossible rule */
                  queue_push(&q, -SYSTEMSOLVABLE);
                }
              p = queue_shift(&q);      /* get first candidate */
              d = !q.count ? 0 : pool_queuetowhatprovides(pool, &q);    /* internalize */
            }
+         /* force install of namespace supplements hack */
+         if (select == SOLVER_SOLVABLE_PROVIDES && !d && (p == SYSTEMSOLVABLE || p == -SYSTEMSOLVABLE) && ISRELDEP(what))
+           {
+             Reldep *rd = GETRELDEP(pool, what);
+             if (rd->flags == REL_NAMESPACE)
+               {
+                 p = SYSTEMSOLVABLE;
+                 if (!solv->installsuppdepq)
+                   {
+                     solv->installsuppdepq = solv_calloc(1, sizeof(Queue));
+                     queue_init(solv->installsuppdepq);
+                   }
+                 queue_pushunique(solv->installsuppdepq, rd->evr == 0 ? rd->name : what);
+               }
+           }
          solver_addjobrule(solv, p, d, i, weak);
           if (how & SOLVER_FORCEBEST)
            hasbestinstalljob = 1;
@@ -3172,37 +3879,6 @@ solver_solve(Solver *solv, Queue *job)
          break;
 
        case SOLVER_UPDATE:
-          if ((how & SOLVER_CLEANDEPS) != 0 && installed)
-           {
-             if (how == SOLVER_SOLVABLE_ALL || (how == SOLVER_SOLVABLE_REPO && what == installed->repoid))
-               {
-                 FOR_REPO_SOLVABLES(installed, p, s)
-                   {
-                     if (!solv->cleandeps_updatepkgs)
-                       {
-                         solv->cleandeps_updatepkgs = solv_calloc(1, sizeof(Queue));
-                         queue_init(solv->cleandeps_updatepkgs);
-                       }
-                     queue_pushunique(solv->cleandeps_updatepkgs, p);
-                     if (!solv->cleandepsmap.size)
-                       map_grow(&solv->cleandepsmap, installed->end - installed->start);
-                   }
-               }
-             FOR_JOB_SELECT(p, pp, select, what)
-               {
-                 s = pool->solvables + p;
-                 if (s->repo != installed)
-                   continue;
-                 if (!solv->cleandeps_updatepkgs)
-                   {
-                     solv->cleandeps_updatepkgs = solv_calloc(1, sizeof(Queue));
-                     queue_init(solv->cleandeps_updatepkgs);
-                   }
-                 queue_pushunique(solv->cleandeps_updatepkgs, p);
-                 if (!solv->cleandepsmap.size)
-                   map_grow(&solv->cleandepsmap, installed->end - installed->start);
-               }
-           }
          POOL_DEBUG(SOLV_DEBUG_JOB, "job: %supdate %s\n", weak ? "weak " : "", solver_select2str(pool, select, what));
          break;
        case SOLVER_VERIFY:
@@ -3215,8 +3891,8 @@ solver_solve(Solver *solv, Queue *job)
          s = pool->solvables + what;
          weaken_solvable_deps(solv, what);
          break;
-       case SOLVER_NOOBSOLETES:
-         POOL_DEBUG(SOLV_DEBUG_JOB, "job: %sno obsolete %s\n", weak ? "weak " : "", solver_select2str(pool, select, what));
+       case SOLVER_MULTIVERSION:
+         POOL_DEBUG(SOLV_DEBUG_JOB, "job: %smultiversion %s\n", weak ? "weak " : "", solver_select2str(pool, select, what));
          break;
        case SOLVER_LOCK:
          POOL_DEBUG(SOLV_DEBUG_JOB, "job: %slock %s\n", weak ? "weak " : "", solver_select2str(pool, select, what));
@@ -3240,17 +3916,6 @@ solver_solve(Solver *solv, Queue *job)
          break;
        case SOLVER_DROP_ORPHANED:
          POOL_DEBUG(SOLV_DEBUG_JOB, "job: drop orphaned %s\n", solver_select2str(pool, select, what));
-         if (select == SOLVER_SOLVABLE_ALL || (select == SOLVER_SOLVABLE_REPO && installed && what == installed->repoid))
-           solv->droporphanedmap_all = 1;
-         FOR_JOB_SELECT(p, pp, select, what)
-           {
-             s = pool->solvables + p;
-             if (!installed || s->repo != installed)
-               continue;
-             if (!solv->droporphanedmap.size)
-               map_grow(&solv->droporphanedmap, installed->end - installed->start);
-             MAPSET(&solv->droporphanedmap, p - installed->start);
-           }
          break;
        case SOLVER_USERINSTALLED:
          POOL_DEBUG(SOLV_DEBUG_JOB, "job: user installed %s\n", solver_select2str(pool, select, what));
@@ -3260,18 +3925,14 @@ solver_solve(Solver *solv, Queue *job)
          break;
        }
        
-       /*
-        * debug
-        */
-       
       IF_POOLDEBUG (SOLV_DEBUG_JOB)
        {
          int j;
          if (solv->nrules == oldnrules)
-           POOL_DEBUG(SOLV_DEBUG_JOB, " - no rule created\n");
+           POOL_DEBUG(SOLV_DEBUG_JOB, "  - no rule created\n");
          for (j = oldnrules; j < solv->nrules; j++)
            {
-             POOL_DEBUG(SOLV_DEBUG_JOB, " - job ");
+             POOL_DEBUG(SOLV_DEBUG_JOB, "  - job ");
              solver_printrule(solv, SOLV_DEBUG_JOB, solv->rules + j);
            }
        }
@@ -3283,13 +3944,15 @@ solver_solve(Solver *solv, Queue *job)
   if (!solv->noinfarchcheck)
     {
       solver_addinfarchrules(solv, &addedmap);
-      if (pool->obsoleteusescolors)
+#if 0
+      if (pool->implicitobsoleteusescolors)
        {
          /* currently doesn't work well with infarch rules, so make
            * them weak */
          for (i = solv->infarchrules; i < solv->infarchrules_end; i++)
            queue_push(&solv->weakruleq, i);
        }
+#endif
     }
   else
     solv->infarchrules = solv->infarchrules_end = solv->nrules;
@@ -3307,6 +3970,11 @@ solver_solve(Solver *solv, Queue *job)
   if (hasdupjob)
     solver_freedupmaps(solv);  /* no longer needed */
 
+  if (solv->do_yum_obsoletes)
+    solver_addyumobsrules(solv);
+  else
+    solv->yumobsrules = solv->yumobsrules_end = solv->nrules;
+
   if (1)
     solver_addchoicerules(solv);
   else
@@ -3321,13 +3989,13 @@ solver_solve(Solver *solv, Queue *job)
    * --------------------------------------------------------------
    * prepare for solving
    */
-    
+
   /* free unneeded memory */
   map_free(&addedmap);
   map_free(&installcandidatemap);
   queue_free(&q);
 
-  POOL_DEBUG(SOLV_DEBUG_STATS, "%d rpm rules, 2 * %d update rules, %d job rules, %d infarch rules, %d dup rules, %d choice rules, %d best rules\n", solv->rpmrules_end - 1, solv->updaterules_end - solv->updaterules, solv->jobrules_end - solv->jobrules, solv->infarchrules_end - solv->infarchrules, solv->duprules_end - solv->duprules, solv->choicerules_end - solv->choicerules, solv->bestrules_end - solv->bestrules);
+  POOL_DEBUG(SOLV_DEBUG_STATS, "%d pkg rules, 2 * %d update rules, %d job rules, %d infarch rules, %d dup rules, %d choice rules, %d best rules\n", solv->pkgrules_end - 1, solv->updaterules_end - solv->updaterules, solv->jobrules_end - solv->jobrules, solv->infarchrules_end - solv->infarchrules, solv->duprules_end - solv->duprules, solv->choicerules_end - solv->choicerules, solv->bestrules_end - solv->bestrules);
   POOL_DEBUG(SOLV_DEBUG_STATS, "overall rule memory used: %d K\n", solv->nrules * (int)sizeof(Rule) / 1024);
 
   /* create weak map */
@@ -3338,6 +4006,16 @@ solver_solve(Solver *solv, Queue *job)
       MAPSET(&solv->weakrulemap, p);
     }
 
+  /* enable cleandepsmap creation if we have updatepkgs */
+  if (solv->cleandeps_updatepkgs && !solv->cleandepsmap.size)
+    map_grow(&solv->cleandepsmap, installed->end - installed->start);
+  /* no mistakes */
+  if (solv->cleandeps_mistakes)
+    {
+      queue_free(solv->cleandeps_mistakes);
+      solv->cleandeps_mistakes = solv_free(solv->cleandeps_mistakes);
+    }
+
   /* all new rules are learnt after this point */
   solv->learntrules = solv->nrules;
 
@@ -3353,23 +4031,20 @@ solver_solve(Solver *solv, Queue *job)
   /* disable update rules that conflict with our job */
   solver_disablepolicyrules(solv);
 
+  /* break orphans if requested */
+  if (solv->dupmap_all && solv->orphaned.count && solv->break_orphans)
+    solver_breakorphans(solv);
+
   /* make initial decisions based on assertion rules */
   makeruledecisions(solv);
   POOL_DEBUG(SOLV_DEBUG_SOLVER, "problems so far: %d\n", solv->problems.count);
 
-  /* no mistakes */
-  if (solv->cleandeps_mistakes)
-    {    
-      queue_free(solv->cleandeps_mistakes);
-      solv->cleandeps_mistakes = solv_free(solv->cleandeps_mistakes);
-    }    
-
   /*
    * ********************************************
    * solve!
    * ********************************************
    */
-    
+
   now = solv_timems(0);
   solver_run_sat(solv, 1, solv->dontinstallrecommended ? 0 : 1);
   POOL_DEBUG(SOLV_DEBUG_STATS, "solver took %d ms\n", solv_timems(now));
@@ -3389,7 +4064,7 @@ solver_solve(Solver *solv, Queue *job)
 Transaction *
 solver_create_transaction(Solver *solv)
 {
-  return transaction_create_decisionq(solv->pool, &solv->decisionq, &solv->noobsoletes);
+  return transaction_create_decisionq(solv->pool, &solv->decisionq, &solv->multiversion);
 }
 
 void solver_get_orphaned(Solver *solv, Queue *orphanedq)
@@ -3421,7 +4096,7 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
            continue;
          if (solv->decisionmap[p] <= 0)
            continue;
-         if (solv->noobsoletes.size && MAPTST(&solv->noobsoletes, p))
+         if (solv->multiversion.size && MAPTST(&solv->multiversion, p))
            continue;
          obsp = s->repo->idarraydata + s->obsoletes;
          /* foreach obsoletes */
@@ -3445,7 +4120,7 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
       solver_disablerule(solv, r);
       goterase++;
     }
-  
+
   if (goterase)
     {
       enabledisablelearntrules(solv);
@@ -3472,7 +4147,7 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
              Id why;
              why = solv->decisionq_why.elements[i];
              if (why)
-               continue;       /* forced by unit rule */
+               continue;       /* forced by unit rule or dep resolving */
              p = solv->decisionq.elements[i];
              if (p < 0)
                continue;
@@ -3491,6 +4166,13 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
              recp = s->repo->idarraydata + s->recommends;
              while ((rec = *recp++) != 0)
                {
+#ifdef ENABLE_COMPLEX_DEPS
+                 if (pool_is_complex_dep(pool, rec))
+                   {
+                     do_complex_recommendations(solv, rec, &solv->recommendsmap, noselected);
+                     continue;
+                   }
+#endif
                  FOR_PROVIDES(p, pp, rec)
                    if (solv->decisionmap[p] > 0)
                      break;
@@ -3536,7 +4218,7 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
   /*
    * find suggested packages
    */
-    
+
   if (suggestionsq)
     {
       Id sug, *sugp, p, pp;
@@ -3556,6 +4238,13 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
              sugp = s->repo->idarraydata + s->suggests;
              while ((sug = *sugp++) != 0)
                {
+#ifdef ENABLE_COMPLEX_DEPS
+                 if (pool_is_complex_dep(pool, sug))
+                   {
+                     do_complex_recommendations(solv, sug, &solv->suggestsmap, noselected);
+                     continue;
+                   }
+#endif
                  FOR_PROVIDES(p, pp, sug)
                    if (solv->decisionmap[p] > 0)
                      break;
@@ -3601,7 +4290,7 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
   if (redoq.count)
     undo_removedisabledconflicts(solv, &redoq);
   queue_free(&redoq);
-  
+
   /* undo job rule disabling */
   for (i = 0; i < disabledq.count; i++)
     solver_enablerule(solv, solv->rules + disabledq.elements[i]);
@@ -3614,7 +4303,7 @@ void solver_get_recommendations(Solver *solv, Queue *recommendationsq, Queue *su
 /* disk usage computations */
 
 /*-------------------------------------------------------------------
- * 
+ *
  * calculate DU changes
  */
 
@@ -3630,7 +4319,7 @@ solver_calc_duchanges(Solver *solv, DUChanges *mps, int nmps)
 
 
 /*-------------------------------------------------------------------
- * 
+ *
  * calculate changes in install size
  */
 
@@ -3655,14 +4344,23 @@ solver_create_state_maps(Solver *solv, Map *installedmap, Map *conflictsmap)
 void
 solver_trivial_installable(Solver *solv, Queue *pkgs, Queue *res)
 {
+  Pool *pool = solv->pool;
   Map installedmap;
-  pool_create_state_maps(solv->pool,  &solv->decisionq, &installedmap, 0);
-  pool_trivial_installable_noobsoletesmap(solv->pool, &installedmap, pkgs, res, solv->noobsoletes.size ? &solv->noobsoletes : 0);
+  int i;
+  pool_create_state_maps(pool,  &solv->decisionq, &installedmap, 0);
+  pool_trivial_installable_multiversionmap(pool, &installedmap, pkgs, res, solv->multiversion.size ? &solv->multiversion : 0);
+  for (i = 0; i < res->count; i++)
+    if (res->elements[i] != -1)
+      {
+       Solvable *s = pool->solvables + pkgs->elements[i];
+       if (!strncmp("patch:", pool_id2str(pool, s->name), 6) && solvable_is_irrelevant_patch(s, &installedmap))
+         res->elements[i] = -1;
+      }
   map_free(&installedmap);
 }
 
 /*-------------------------------------------------------------------
- * 
+ *
  * decision introspection
  */
 
@@ -3725,7 +4423,7 @@ solver_describe_decision(Solver *solv, Id p, Id *infop)
 {
   int i;
   Id pp, why;
-  
+
   if (infop)
     *infop = 0;
   if (!solv->decisionmap[p])
@@ -3737,58 +4435,33 @@ solver_describe_decision(Solver *solv, Id p, Id *infop)
   if (i == solv->decisionq.count)      /* just in case... */
     return SOLVER_REASON_UNRELATED;
   why = solv->decisionq_why.elements[i];
+  if (infop)
+    *infop = why > 0 ? why : -why;
   if (why > 0)
-    {
-      if (infop)
-       *infop = why;
-      return SOLVER_REASON_UNIT_RULE;
-    }
+    return SOLVER_REASON_UNIT_RULE;
   why = -why;
+  if (i == 0)
+    return SOLVER_REASON_KEEP_INSTALLED;       /* the systemsolvable */
   if (i < solv->decisioncnt_update)
-    {
-      if (i == 0)
-       {
-         if (infop)
-           *infop = SYSTEMSOLVABLE;
-         return SOLVER_REASON_KEEP_INSTALLED;
-       }
-      if (infop)
-       *infop = why;
-      return SOLVER_REASON_RESOLVE_JOB;
-    }
+    return SOLVER_REASON_RESOLVE_JOB;
   if (i < solv->decisioncnt_keep)
     {
       if (why == 0 && pp < 0)
        return SOLVER_REASON_CLEANDEPS_ERASE;
-      if (infop)
-       {
-         if (why >= solv->updaterules && why < solv->updaterules_end)
-           *infop = why - solv->updaterules;
-         else if (why >= solv->featurerules && why < solv->featurerules_end)
-           *infop = why - solv->featurerules;
-       }
       return SOLVER_REASON_UPDATE_INSTALLED;
     }
   if (i < solv->decisioncnt_resolve)
     {
+      if (solv->focus_installed && i >= solv->decisioncnt_jobs)
+       return SOLVER_REASON_RESOLVE_JOB;
       if (why == 0 && pp < 0)
        return SOLVER_REASON_CLEANDEPS_ERASE;
-      if (infop)
-       {
-         if (why >= solv->updaterules && why < solv->updaterules_end)
-           *infop = why - solv->updaterules;
-         else if (why >= solv->featurerules && why < solv->featurerules_end)
-           *infop = why - solv->featurerules;
-       }
       return SOLVER_REASON_KEEP_INSTALLED;
     }
-  if (i < solv->decisioncnt_weak)
-    {
-      if (infop)
-       *infop = why;
-      return SOLVER_REASON_RESOLVE;
-    }
-  if (solv->decisionq.count < solv->decisioncnt_orphan)
+  if (why > 0)
+    return SOLVER_REASON_RESOLVE;
+  /* weak or orphaned */
+  if (i < solv->decisioncnt_orphan)
     return SOLVER_REASON_WEAKDEP;
   return SOLVER_REASON_RESOLVE_ORPHAN;
 }
@@ -3843,7 +4516,7 @@ solver_describe_weakdep_decision(Solver *solv, Id p, Queue *whyq)
          if (!p2 && found)
            {
              queue_push(whyq, SOLVER_REASON_RECOMMENDED);
-             queue_push2(whyq, p2, rec);
+             queue_push2(whyq, i, rec);
            }
        }
     }
@@ -3952,7 +4625,7 @@ pool_isemptyupdatejob(Pool *pool, Id how, Id what)
          Id obs, *obsp = s->repo->idarraydata + s->obsoletes;
          while ((obs = *obsp++) != 0)
            {
-             FOR_PROVIDES(pi, pip, obs) 
+             FOR_PROVIDES(pi, pip, obs)
                {
                  Solvable *si = pool->solvables + pi;
                  if (si->repo != pool->installed)
@@ -3968,3 +4641,387 @@ pool_isemptyupdatejob(Pool *pool, Id how, Id what)
     }
   return 1;
 }
+
+static int
+get_userinstalled_cmp(const void *ap, const void *bp, void *dp)
+{
+  return *(Id *)ap - *(Id *)bp;
+}
+
+static int
+get_userinstalled_cmp_names(const void *ap, const void *bp, void *dp)
+{
+  Pool *pool = dp;
+  return strcmp(pool_id2str(pool, *(Id *)ap), pool_id2str(pool, *(Id *)bp));
+}
+
+static void
+get_userinstalled_sort_uniq(Pool *pool, Queue *q, int flags)
+{
+  Id lastp = -1;
+  int i, j;
+  if ((flags & GET_USERINSTALLED_NAMES) != 0)
+    solv_sort(q->elements, q->count, sizeof(Id), get_userinstalled_cmp_names, pool);
+  else
+    solv_sort(q->elements, q->count, sizeof(Id), get_userinstalled_cmp, 0);
+  for (i = j = 0; i < q->count; i++)
+    if (q->elements[i] != lastp)
+      q->elements[j++] = lastp = q->elements[i];
+  queue_truncate(q, j);
+}
+
+void
+solver_get_userinstalled(Solver *solv, Queue *q, int flags)
+{
+  Pool *pool = solv->pool;
+  Id p, p2, pp;
+  Solvable *s;
+  Repo *installed = solv->installed;
+  int i, j;
+  Map userinstalled;
+  
+  map_init(&userinstalled, 0);
+  queue_empty(q);
+  /* first process jobs */
+  for (i = 0; i < solv->job.count; i += 2)
+    {
+      Id how = solv->job.elements[i];
+      Id what, select;
+      if (installed && (how & SOLVER_JOBMASK) == SOLVER_USERINSTALLED)
+       {
+         if (!userinstalled.size)
+           map_grow(&userinstalled, installed->end - installed->start);
+         what = solv->job.elements[i + 1];
+         select = how & SOLVER_SELECTMASK;
+         if (select == SOLVER_SOLVABLE_ALL || (select == SOLVER_SOLVABLE_REPO && what == installed->repoid))
+           FOR_REPO_SOLVABLES(installed, p, s)
+             MAPSET(&userinstalled, p - installed->start);
+         FOR_JOB_SELECT(p, pp, select, what)
+           if (pool->solvables[p].repo == installed)
+             MAPSET(&userinstalled, p - installed->start);
+         continue;
+       }
+      if ((how & SOLVER_JOBMASK) != SOLVER_INSTALL)
+       continue;
+      if ((how & SOLVER_NOTBYUSER) != 0)
+       continue;
+      what = solv->job.elements[i + 1];
+      select = how & SOLVER_SELECTMASK;
+      FOR_JOB_SELECT(p, pp, select, what)
+        if (solv->decisionmap[p] > 0)
+         {
+           queue_push(q, p);
+#ifdef ENABLE_LINKED_PKGS
+           if (has_package_link(pool, pool->solvables + p))
+             {
+               int j;
+               Queue lq;
+               queue_init(&lq);
+               find_package_link(pool, pool->solvables + p, 0, &lq, 0, 0);
+               for (j = 0; j < lq.count; j++)
+                 if (solv->decisionmap[lq.elements[j]] > 0)
+                   queue_push(q, lq.elements[j]);
+             }
+#endif
+         }
+    }
+  /* now process updates of userinstalled packages */
+  if (installed && userinstalled.size)
+    {
+      for (i = 1; i < solv->decisionq.count; i++)
+       {
+         p = solv->decisionq.elements[i];
+         if (p <= 0)
+           continue;
+         s = pool->solvables + p;
+         if (!s->repo)
+           continue;
+         if (s->repo == installed)
+           {
+             if (MAPTST(&userinstalled, p - installed->start))
+               queue_push(q, p);
+             continue;
+           }
+         /* new package, check if we replace a userinstalled one */
+         FOR_PROVIDES(p2, pp, s->name)
+           {
+             Solvable *ps = pool->solvables + p2;
+             if (p2 == p || ps->repo != installed || !MAPTST(&userinstalled, p2 - installed->start))
+               continue;
+             if (!pool->implicitobsoleteusesprovides && s->name != ps->name)
+               continue;
+             if (pool->implicitobsoleteusescolors && !pool_colormatch(pool, s, ps))
+               continue;
+             queue_push(q, p);
+             break;
+           }
+         if (!p2 && s->repo != installed && s->obsoletes)
+           {
+             Id obs, *obsp = s->repo->idarraydata + s->obsoletes;
+             while ((obs = *obsp++) != 0)
+               {
+                 FOR_PROVIDES(p2, pp, obs)
+                   {
+                     Solvable *ps = pool->solvables + p2;
+                     if (p2 == p || ps->repo != installed || !MAPTST(&userinstalled, p2 - installed->start))
+                       continue;
+                     if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
+                       continue;
+                     if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps)) 
+                       continue;
+                     queue_push(q, p); 
+                     break;
+                   }
+                 if (p2)
+                   break;
+               }
+           }
+       }
+    }
+  map_free(&userinstalled);
+  /* convert to names if asked */
+  if ((flags & GET_USERINSTALLED_NAMES) != 0)
+    {
+      for (i = 0; i < q->count; i++)
+       {
+         s = pool->solvables + q->elements[i];
+         q->elements[i] = s->name;
+       }
+    }
+  /* sort and unify */
+  if (q->count > 1)
+    get_userinstalled_sort_uniq(pool, q, flags);
+  /* invert if asked */
+  if ((flags & GET_USERINSTALLED_INVERTED) != 0)
+    {
+      /* first generate queue with all installed packages */
+      Queue invq;
+      queue_init(&invq);
+      for (i = 1; i < solv->decisionq.count; i++)
+       {
+         p = solv->decisionq.elements[i];
+         if (p <= 0)
+           continue;
+         s = pool->solvables + p;
+         if (!s->repo)
+           continue;
+         if ((flags & GET_USERINSTALLED_NAMES) != 0)
+           queue_push(&invq, s->name);
+         else
+           queue_push(&invq, p);
+       }
+      /* push q on invq, just in case... */
+      queue_insertn(&invq, invq.count, q->count, q->elements);
+      if (invq.count > 1)
+       get_userinstalled_sort_uniq(pool, &invq, flags);
+      /* subtract queues (easy as they are sorted and invq is a superset of q) */
+      if (q->count)
+       {
+         for (i = j = 0; i < invq.count; i++)
+           if (invq.elements[i] == q->elements[j])
+             {
+               invq.elements[i] = 0;
+               if (++j >= q->count)
+                 break;
+             }
+         queue_empty(q);
+       }
+      for (i = j = 0; i < invq.count; i++)
+       if (invq.elements[i])
+         queue_push(q, invq.elements[i]);
+      queue_free(&invq);
+    }
+}
+
+void
+pool_add_userinstalled_jobs(Pool *pool, Queue *q, Queue *job, int flags)
+{
+  int i;
+
+  if (flags & GET_USERINSTALLED_INVERTED)
+    {
+      Queue invq;
+      Id p, lastid;
+      Solvable *s;
+      int bad;
+      if (!pool->installed)
+       return;
+      queue_init(&invq);
+      FOR_REPO_SOLVABLES(pool->installed, p, s)
+       queue_push(&invq, flags & GET_USERINSTALLED_NAMES ? s->name : p);
+      queue_insertn(&invq, invq.count, q->count, q->elements);
+      if (invq.count > 1)
+        get_userinstalled_sort_uniq(pool, &invq, flags);
+      /* now the fun part, add q again, sort, and remove all dups */
+      queue_insertn(&invq, invq.count, q->count, q->elements);
+      if (invq.count > 1)
+       {
+         if ((flags & GET_USERINSTALLED_NAMES) != 0)
+           solv_sort(invq.elements, invq.count, sizeof(Id), get_userinstalled_cmp_names, pool);
+         else
+           solv_sort(invq.elements, invq.count, sizeof(Id), get_userinstalled_cmp, 0);
+       }
+      lastid = -1;
+      bad = 1;
+      for (i = 0; i < invq.count; i++)
+       {
+         if (invq.elements[i] == lastid)
+           {
+             bad = 1;
+             continue;
+           }
+         if (!bad)
+           queue_push2(job, SOLVER_USERINSTALLED | (flags & GET_USERINSTALLED_NAMES ? SOLVER_SOLVABLE_NAME : SOLVER_SOLVABLE), lastid);
+         bad = 0;
+         lastid = invq.elements[i];
+       }
+      if (!bad)
+       queue_push2(job, SOLVER_USERINSTALLED | (flags & GET_USERINSTALLED_NAMES ? SOLVER_SOLVABLE_NAME : SOLVER_SOLVABLE), lastid);
+      queue_free(&invq);
+    }
+  else
+    {
+      for (i = 0; i < q->count; i++)
+       queue_push2(job, SOLVER_USERINSTALLED | (flags & GET_USERINSTALLED_NAMES ? SOLVER_SOLVABLE_NAME : SOLVER_SOLVABLE), q->elements[i]);
+    }
+}
+
+const char *
+solver_select2str(Pool *pool, Id select, Id what)
+{
+  const char *s;
+  char *b;
+  select &= SOLVER_SELECTMASK;
+  if (select == SOLVER_SOLVABLE)
+    return pool_solvid2str(pool, what);
+  if (select == SOLVER_SOLVABLE_NAME)
+    return pool_dep2str(pool, what);
+  if (select == SOLVER_SOLVABLE_PROVIDES)
+    {
+      s = pool_dep2str(pool, what);
+      b = pool_alloctmpspace(pool, 11 + strlen(s));
+      sprintf(b, "providing %s", s);
+      return b;
+    }
+  if (select == SOLVER_SOLVABLE_ONE_OF)
+    {
+      Id p;
+      b = 0;
+      while ((p = pool->whatprovidesdata[what++]) != 0)
+       {
+         s = pool_solvid2str(pool, p);
+         if (b)
+           b = pool_tmpappend(pool, b, ", ", s);
+         else
+           b = pool_tmpjoin(pool, s, 0, 0);
+         pool_freetmpspace(pool, s);
+       }
+      return b ? b : "nothing";
+    }
+  if (select == SOLVER_SOLVABLE_REPO)
+    {
+      b = pool_alloctmpspace(pool, 20);
+      sprintf(b, "repo #%d", what);
+      return b;
+    }
+  if (select == SOLVER_SOLVABLE_ALL)
+    return "all packages";
+  return "unknown job select";
+}
+
+const char *
+pool_job2str(Pool *pool, Id how, Id what, Id flagmask)
+{
+  Id select = how & SOLVER_SELECTMASK;
+  const char *strstart = 0, *strend = 0;
+  char *s;
+  int o;
+
+  switch (how & SOLVER_JOBMASK)
+    {
+    case SOLVER_NOOP:
+      return "do nothing";
+    case SOLVER_INSTALL:
+      if (select == SOLVER_SOLVABLE && pool->installed && pool->solvables[what].repo == pool->installed)
+       strstart = "keep ", strend = " installed";
+      else if (select == SOLVER_SOLVABLE || select == SOLVER_SOLVABLE_NAME)
+       strstart = "install ";
+      else if (select == SOLVER_SOLVABLE_PROVIDES)
+       strstart = "install a package ";
+      else
+       strstart = "install one of ";
+      break;
+    case SOLVER_ERASE:
+      if (select == SOLVER_SOLVABLE && !(pool->installed && pool->solvables[what].repo == pool->installed))
+       strstart = "keep ", strend = " uninstalled";
+      else if (select == SOLVER_SOLVABLE_PROVIDES)
+       strstart = "deinstall all packages ";
+      else
+       strstart = "deinstall ";
+      break;
+    case SOLVER_UPDATE:
+      strstart = "update ";
+      break;
+    case SOLVER_WEAKENDEPS:
+      strstart = "weaken deps of ";
+      break;
+    case SOLVER_MULTIVERSION:
+      strstart = "multi version ";
+      break;
+    case SOLVER_LOCK:
+      strstart = "lock ";
+      break;
+    case SOLVER_DISTUPGRADE:
+      strstart = "dist upgrade ";
+      break;
+    case SOLVER_VERIFY:
+      strstart = "verify ";
+      break;
+    case SOLVER_DROP_ORPHANED:
+      strstart = "deinstall ", strend = " if orphaned";
+      break;
+    case SOLVER_USERINSTALLED:
+      strstart = "regard ", strend = " as userinstalled";
+      break;
+    default:
+      strstart = "unknown job ";
+      break;
+    }
+  s = pool_tmpjoin(pool, strstart, solver_select2str(pool, select, what), strend);
+  how &= flagmask;
+  if ((how & ~(SOLVER_SELECTMASK|SOLVER_JOBMASK)) == 0)
+    return s;
+  o = strlen(s);
+  s = pool_tmpappend(pool, s, " ", 0);
+  if (how & SOLVER_WEAK)
+    s = pool_tmpappend(pool, s, ",weak", 0);
+  if (how & SOLVER_ESSENTIAL)
+    s = pool_tmpappend(pool, s, ",essential", 0);
+  if (how & SOLVER_CLEANDEPS)
+    s = pool_tmpappend(pool, s, ",cleandeps", 0);
+  if (how & SOLVER_ORUPDATE)
+    s = pool_tmpappend(pool, s, ",orupdate", 0);
+  if (how & SOLVER_FORCEBEST)
+    s = pool_tmpappend(pool, s, ",forcebest", 0);
+  if (how & SOLVER_TARGETED)
+    s = pool_tmpappend(pool, s, ",targeted", 0);
+  if (how & SOLVER_SETEV)
+    s = pool_tmpappend(pool, s, ",setev", 0);
+  if (how & SOLVER_SETEVR)
+    s = pool_tmpappend(pool, s, ",setevr", 0);
+  if (how & SOLVER_SETARCH)
+    s = pool_tmpappend(pool, s, ",setarch", 0);
+  if (how & SOLVER_SETVENDOR)
+    s = pool_tmpappend(pool, s, ",setvendor", 0);
+  if (how & SOLVER_SETREPO)
+    s = pool_tmpappend(pool, s, ",setrepo", 0);
+  if (how & SOLVER_SETNAME)
+    s = pool_tmpappend(pool, s, ",setname", 0);
+  if (how & SOLVER_NOAUTOSET)
+    s = pool_tmpappend(pool, s, ",noautoset", 0);
+  if (s[o + 1] != ',')
+    s = pool_tmpappend(pool, s, ",?", 0);
+  s[o + 1] = '[';
+  return pool_tmpappend(pool, s, "]", 0);
+}
+