Imported Upstream version 0.6.20
[platform/upstream/libsolv.git] / src / pool.c
index 3b27318..ecc3686 100644 (file)
@@ -7,7 +7,7 @@
 
 /*
  * pool.c
- * 
+ *
  * The pool contains information about solvables
  * stored optimized for memory consumption and fast retrieval.
  */
@@ -19,6 +19,7 @@
 #include <string.h>
 
 #include "pool.h"
+#include "poolvendor.h"
 #include "repo.h"
 #include "poolid.h"
 #include "poolid_private.h"
@@ -29,6 +30,7 @@
 
 #define SOLVABLE_BLOCK 255
 
+#undef LIBSOLV_KNOWNID_H
 #define KNOWNID_INITIALIZE
 #include "knownid.h"
 #undef KNOWNID_INITIALIZE
@@ -55,6 +57,8 @@ pool_create(void)
   memset(pool->solvables, 0, 2 * sizeof(Solvable));
 
   queue_init(&pool->vendormap);
+  queue_init(&pool->pooljobs);
+  queue_init(&pool->lazywhatprovidesq);
 
 #if defined(DEBIAN)
   pool->disttype = DISTTYPE_DEB;
@@ -62,6 +66,10 @@ pool_create(void)
 #elif defined(ARCHLINUX)
   pool->disttype = DISTTYPE_ARCH;
   pool->noarchid = ARCH_ANY;
+#elif defined(HAIKU)
+  pool->disttype = DISTTYPE_HAIKU;
+  pool->noarchid = ARCH_ANY;
+  pool->obsoleteusesprovides = 1;
 #else
   pool->disttype = DISTTYPE_RPM;
   pool->noarchid = ARCH_NOARCH;
@@ -74,10 +82,11 @@ pool_create(void)
   s->evr = ID_EMPTY;
 
   pool->debugmask = SOLV_DEBUG_RESULT; /* FIXME */
-#ifdef FEDORA
-  pool->obsoleteusescolors = 1;
+#if defined(FEDORA) || defined(MAGEIA)
+  pool->implicitobsoleteusescolors = 1;
 #endif
 #ifdef RPM5
+  pool->noobsoletesmultiversion = 1;
   pool->forbidselfconflicts = 1;
   pool->obsoleteusesprovides = 1;
   pool->implicitobsoleteusesprovides = 1;
@@ -104,11 +113,12 @@ pool_free(Pool *pool)
   pool_setvendorclasses(pool, 0);
   queue_free(&pool->vendormap);
   queue_free(&pool->pooljobs);
+  queue_free(&pool->lazywhatprovidesq);
   for (i = 0; i < POOL_TMPSPACEBUF; i++)
     solv_free(pool->tmpspace.buf[i]);
   for (i = 0; i < pool->nlanguages; i++)
     free((char *)pool->languages[i]);
-  solv_free(pool->languages);
+  solv_free((void *)pool->languages);
   solv_free(pool->languagecache);
   solv_free(pool->errstr);
   solv_free(pool->rootdir);
@@ -121,30 +131,43 @@ pool_freeallrepos(Pool *pool, int reuseids)
   int i;
 
   pool_freewhatprovides(pool);
-  for (i = 1; i < pool->nrepos; i++) 
+  for (i = 1; i < pool->nrepos; i++)
     if (pool->repos[i])
       repo_freedata(pool->repos[i]);
   pool->repos = solv_free(pool->repos);
-  pool->nrepos = 0; 
-  pool->urepos = 0; 
+  pool->nrepos = 0;
+  pool->urepos = 0;
   /* the first two solvables don't belong to a repo */
   pool_free_solvable_block(pool, 2, pool->nsolvables - 2, reuseids);
 }
 
-#ifdef MULTI_SEMANTICS
-void
+int
 pool_setdisttype(Pool *pool, int disttype)
 {
+#ifdef MULTI_SEMANTICS
+  int olddisttype = pool->disttype;
+  switch(disttype)
+    {
+    case DISTTYPE_RPM:
+      pool->noarchid = ARCH_NOARCH;
+      break;
+    case DISTTYPE_DEB:
+      pool->noarchid = ARCH_ALL;
+      break;
+    case DISTTYPE_ARCH:
+    case DISTTYPE_HAIKU:
+      pool->noarchid = ARCH_ANY;
+      break;
+    default:
+      return -1;
+    }
   pool->disttype = disttype;
-  if (disttype == DISTTYPE_RPM)
-    pool->noarchid = ARCH_NOARCH;
-  if (disttype == DISTTYPE_DEB)
-    pool->noarchid = ARCH_ALL;
-  if (disttype == DISTTYPE_ARCH)
-    pool->noarchid = ARCH_ANY;
   pool->solvables[SYSTEMSOLVABLE].arch = pool->noarchid;
-}
+  return olddisttype;
+#else
+  return pool->disttype == disttype ? disttype : -1;
 #endif
+}
 
 int
 pool_get_flag(Pool *pool, int flag)
@@ -161,10 +184,18 @@ pool_get_flag(Pool *pool, int flag)
       return pool->implicitobsoleteusesprovides;
     case POOL_FLAG_OBSOLETEUSESCOLORS:
       return pool->obsoleteusescolors;
+    case POOL_FLAG_IMPLICITOBSOLETEUSESCOLORS:
+      return pool->implicitobsoleteusescolors;
     case POOL_FLAG_NOINSTALLEDOBSOLETES:
       return pool->noinstalledobsoletes;
     case POOL_FLAG_HAVEDISTEPOCH:
       return pool->havedistepoch;
+    case POOL_FLAG_NOOBSOLETESMULTIVERSION:
+      return pool->noobsoletesmultiversion;
+    case POOL_FLAG_ADDFILEPROVIDESFILTERED:
+      return pool->addfileprovidesfiltered;
+    case POOL_FLAG_NOWHATPROVIDESAUX:
+      return pool->nowhatprovidesaux;
     default:
       break;
     }
@@ -192,12 +223,24 @@ pool_set_flag(Pool *pool, int flag, int value)
     case POOL_FLAG_OBSOLETEUSESCOLORS:
       pool->obsoleteusescolors = value;
       break;
+    case POOL_FLAG_IMPLICITOBSOLETEUSESCOLORS:
+      pool->implicitobsoleteusescolors = value;
+      break;
     case POOL_FLAG_NOINSTALLEDOBSOLETES:
       pool->noinstalledobsoletes = value;
       break;
     case POOL_FLAG_HAVEDISTEPOCH:
       pool->havedistepoch = value;
       break;
+    case POOL_FLAG_NOOBSOLETESMULTIVERSION:
+      pool->noobsoletesmultiversion = value;
+      break;
+    case POOL_FLAG_ADDFILEPROVIDESFILTERED:
+      pool->addfileprovidesfiltered = value;
+      break;
+    case POOL_FLAG_NOWHATPROVIDESAUX:
+      pool->nowhatprovidesaux = value;
+      break;
     default:
       break;
     }
@@ -355,12 +398,40 @@ pool_shrink_whatprovides(Pool *pool)
   memset(pool->whatprovidesdata + o, 0, r * sizeof(Id));
 }
 
+/* this gets rid of all the zeros in the aux */
+static void
+pool_shrink_whatprovidesaux(Pool *pool)
+{
+  int num = pool->whatprovidesauxoff;
+  Id id;
+  Offset newoff;
+  Id *op, *wp = pool->whatprovidesauxdata + 1;
+  int i;
+
+  for (i = 0; i < num; i++)
+    {
+      Offset o = pool->whatprovidesaux[i];
+      if (o < 2)
+       continue;
+      op = pool->whatprovidesauxdata + o;
+      pool->whatprovidesaux[i] = wp - pool->whatprovidesauxdata;
+      if (op < wp)
+       abort();
+      while ((id = *op++) != 0)
+       *wp++ = id;
+    }
+  newoff = wp - pool->whatprovidesauxdata;
+  pool->whatprovidesauxdata = solv_realloc(pool->whatprovidesauxdata, newoff * sizeof(Id));
+  POOL_DEBUG(SOLV_DEBUG_STATS, "shrunk whatprovidesauxdata from %d to %d\n", pool->whatprovidesauxdataoff, newoff);
+  pool->whatprovidesauxdataoff = newoff;
+}
+
 
 /*
  * pool_createwhatprovides()
- * 
+ *
  * create hashes over pool of solvables to ease provide lookups
- * 
+ *
  */
 void
 pool_createwhatprovides(Pool *pool)
@@ -371,7 +442,8 @@ pool_createwhatprovides(Pool *pool)
   Id id;
   Offset *idp, n;
   Offset *whatprovides;
-  Id *whatprovidesdata, *d;
+  Id *whatprovidesdata, *dp, *whatprovidesauxdata;
+  Offset *whatprovidesaux;
   Repo *installed = pool->installed;
   unsigned int now;
 
@@ -416,11 +488,14 @@ pool_createwhatprovides(Pool *pool)
   for (i = 0, idp = whatprovides; i < num; i++, idp++)
     {
       n = *idp;
-      if (!n)                         /* no providers */
-       continue;
-      off += n;                               /* make space for all providers */
-      *idp = off++;                   /* now idp points to terminating zero */
-      np++;                           /* inc # of provider 'slots' for stats */
+      if (!n)                          /* no providers */
+       {
+         *idp = 1;                     /* offset for empty list */
+         continue;
+       }
+      off += n;                                /* make space for all providers */
+      *idp = off++;                    /* now idp points to terminating zero */
+      np++;                            /* inc # of provider 'slots' for stats */
     }
 
   POOL_DEBUG(SOLV_DEBUG_STATS, "provide ids: %d\n", np);
@@ -436,6 +511,16 @@ pool_createwhatprovides(Pool *pool)
   whatprovidesdata = solv_calloc(off + extra, sizeof(Id));
   whatprovidesdata[2] = SYSTEMSOLVABLE;
 
+  /* alloc aux vector */
+  whatprovidesauxdata = 0;
+  if (!pool->nowhatprovidesaux)
+    {
+      pool->whatprovidesaux = whatprovidesaux = solv_calloc(num, sizeof(Offset));
+      pool->whatprovidesauxoff = num;
+      pool->whatprovidesauxdataoff = off;
+      pool->whatprovidesauxdata = whatprovidesauxdata = solv_calloc(pool->whatprovidesauxdataoff, sizeof(Id));
+    }
+
   /* now fill data for all provides */
   for (i = pool->nsolvables - 1; i > 0; i--)
     {
@@ -450,24 +535,59 @@ pool_createwhatprovides(Pool *pool)
       pp = s->repo->idarraydata + s->provides;
       while ((id = *pp++) != 0)
        {
+         Id auxid = id;
          while (ISRELDEP(id))
            {
              Reldep *rd = GETRELDEP(pool, id);
              id = rd->name;
            }
-         d = whatprovidesdata + whatprovides[id];   /* offset into whatprovidesdata */
-         if (*d != i)          /* don't add same solvable twice */
+         dp = whatprovidesdata + whatprovides[id];   /* offset into whatprovidesdata */
+         if (*dp != i)         /* don't add same solvable twice */
            {
-             d[-1] = i;
+             dp[-1] = i;
              whatprovides[id]--;
            }
+         else
+           auxid = 1;
+         if (whatprovidesauxdata)
+           whatprovidesauxdata[whatprovides[id]] = auxid;
        }
     }
+  if (pool->whatprovidesaux)
+    memcpy(pool->whatprovidesaux, pool->whatprovides, num * sizeof(Id));
   pool->whatprovidesdata = whatprovidesdata;
   pool->whatprovidesdataoff = off;
   pool->whatprovidesdataleft = extra;
   pool_shrink_whatprovides(pool);
+  if (pool->whatprovidesaux)
+    pool_shrink_whatprovidesaux(pool);
   POOL_DEBUG(SOLV_DEBUG_STATS, "whatprovides memory used: %d K id array, %d K data\n", (pool->ss.nstrings + pool->nrels + WHATPROVIDES_BLOCK) / (int)(1024/sizeof(Id)), (pool->whatprovidesdataoff + pool->whatprovidesdataleft) / (int)(1024/sizeof(Id)));
+  if (pool->whatprovidesaux)
+    POOL_DEBUG(SOLV_DEBUG_STATS, "whatprovidesaux memory used: %d K id array, %d K data\n", pool->whatprovidesauxoff / (int)(1024/sizeof(Id)), pool->whatprovidesauxdataoff / (int)(1024/sizeof(Id)));
+
+  queue_empty(&pool->lazywhatprovidesq);
+  if ((!pool->addedfileprovides && pool->disttype == DISTTYPE_RPM) || pool->addedfileprovides == 1)
+    {
+      if (!pool->addedfileprovides)
+       POOL_DEBUG(SOLV_DEBUG_STATS, "WARNING: pool_addfileprovides was not called, this may result in slow operation\n");
+      /* lazyly add file provides */
+      for (i = 1; i < num; i++)
+       {
+         const char *str = pool->ss.stringspace + pool->ss.strings[i];
+         if (str[0] != '/')
+           continue;
+         if (pool->addedfileprovides == 1 && repodata_filelistfilter_matches(0, str))
+           continue;
+         /* setup lazy adding, but remember old value */
+         if (pool->whatprovides[i] > 1)
+           queue_push2(&pool->lazywhatprovidesq, i, pool->whatprovides[i]);
+         pool->whatprovides[i] = 0;
+         if (pool->whatprovidesaux)
+           pool->whatprovidesaux[i] = 0;       /* sorry */
+       }
+      POOL_DEBUG(SOLV_DEBUG_STATS, "lazywhatprovidesq size: %d entries\n", pool->lazywhatprovidesq.count / 2);
+    }
+
   POOL_DEBUG(SOLV_DEBUG_STATS, "createwhatprovides took %d ms\n", solv_timems(now));
 }
 
@@ -484,6 +604,10 @@ pool_freewhatprovides(Pool *pool)
   pool->whatprovidesdata = solv_free(pool->whatprovidesdata);
   pool->whatprovidesdataoff = 0;
   pool->whatprovidesdataleft = 0;
+  pool->whatprovidesaux = solv_free(pool->whatprovidesaux);
+  pool->whatprovidesauxdata = solv_free(pool->whatprovidesauxdata);
+  pool->whatprovidesauxoff = 0;
+  pool->whatprovidesauxdataoff = 0;
 }
 
 
@@ -491,21 +615,21 @@ pool_freewhatprovides(Pool *pool)
 
 /*
  * pool_queuetowhatprovides  - add queue contents to whatprovidesdata
- * 
+ *
  * used for whatprovides, jobs, learnt rules, selections
  * input: q: queue of Ids
  * returns: Offset into whatprovidesdata
  *
  */
+
 Id
-pool_queuetowhatprovides(Pool *pool, Queue *q)
+pool_ids2whatprovides(Pool *pool, Id *ids, int count)
 {
   Offset off;
-  int count = q->count;
 
   if (count == 0)                     /* queue empty -> 1 */
     return 1;
-  if (count == 1 && q->elements[0] == SYSTEMSOLVABLE)
+  if (count == 1 && *ids == SYSTEMSOLVABLE)
     return 2;
 
   /* extend whatprovidesdata if needed, +1 for 0-termination */
@@ -518,7 +642,7 @@ pool_queuetowhatprovides(Pool *pool, Queue *q)
 
   /* copy queue to next free slot */
   off = pool->whatprovidesdataoff;
-  memcpy(pool->whatprovidesdata + pool->whatprovidesdataoff, q->elements, count * sizeof(Id));
+  memcpy(pool->whatprovidesdata + pool->whatprovidesdataoff, ids, count * sizeof(Id));
 
   /* adapt count and 0-terminate */
   pool->whatprovidesdataoff += count;
@@ -528,6 +652,17 @@ pool_queuetowhatprovides(Pool *pool, Queue *q)
   return (Id)off;
 }
 
+Id
+pool_queuetowhatprovides(Pool *pool, Queue *q)
+{
+  int count = q->count;
+  if (count == 0)                     /* queue empty -> 1 */
+    return 1;
+  if (count == 1 && q->elements[0] == SYSTEMSOLVABLE)
+    return 2;
+  return pool_ids2whatprovides(pool, q->elements, count);
+}
+
 
 /*************************************************************************/
 
@@ -540,6 +675,7 @@ pool_queuetowhatprovides(Pool *pool, Queue *q)
 #endif
 
 /* check if a package's nevr matches a dependency */
+/* semi-private, called from public pool_match_nevr */
 
 int
 pool_match_nevr_rel(Pool *pool, Solvable *s, Id d)
@@ -569,6 +705,11 @@ pool_match_nevr_rel(Pool *pool, Solvable *s, Id d)
          if (!pool_match_nevr(pool, s, name))
            return 0;
          return pool_match_nevr(pool, s, evr);
+       case REL_MULTIARCH:
+         if (evr != ARCH_ANY)
+           return 0;
+         /* XXX : need to check for Multi-Arch: allowed! */
+         return pool_match_nevr(pool, s, name);
        default:
          return 0;
        }
@@ -599,6 +740,11 @@ pool_match_nevr_rel(Pool *pool, Solvable *s, Id d)
   return 0;
 }
 
+#if defined(HAIKU) || defined(MULTI_SEMANTICS)
+/* forward declaration */
+static int pool_match_flags_evr_rel_compat(Pool *pool, Reldep *range, int flags, int evr);
+#endif
+
 /* match (flags, evr) against provider (pflags, pevr) */
 static inline int
 pool_match_flags_evr(Pool *pool, int pflags, Id pevr, int flags, int evr)
@@ -611,6 +757,14 @@ pool_match_flags_evr(Pool *pool, int pflags, Id pevr, int flags, int evr)
     return 1;          /* both rels show in the same direction */
   if (pevr == evr)
     return (flags & pflags & REL_EQ) ? 1 : 0;
+#if defined(HAIKU) || defined(MULTI_SEMANTICS)
+  if (ISRELDEP(pevr))
+    {
+      Reldep *rd = GETRELDEP(pool, pevr);
+      if (rd->flags == REL_COMPAT)
+       return pool_match_flags_evr_rel_compat(pool, rd, flags, evr);
+    }
+#endif
   switch (pool_evrcmp(pool, pevr, evr, EVRCMP_DEPCMP))
     {
     case -2:
@@ -629,6 +783,27 @@ pool_match_flags_evr(Pool *pool, int pflags, Id pevr, int flags, int evr)
   return 0;
 }
 
+#if defined(HAIKU) || defined(MULTI_SEMANTICS)
+static int
+pool_match_flags_evr_rel_compat(Pool *pool, Reldep *range, int flags, int evr)
+{
+  /* range->name is the actual version, range->evr the backwards compatibility
+     version. If flags are '>=' or '>', we match the compatibility version
+     as well, otherwise only the actual version. */
+  if (!(flags & REL_GT) || (flags & REL_LT))
+    return pool_match_flags_evr(pool, REL_EQ, range->name, flags, evr);
+  return pool_match_flags_evr(pool, REL_LT | REL_EQ, range->name, flags, evr) &&
+         pool_match_flags_evr(pool, REL_GT | REL_EQ, range->evr, REL_EQ, evr);
+}
+#endif
+
+/* public (i.e. not inlined) version of pool_match_flags_evr */
+int
+pool_intersect_evrs(Pool *pool, int pflags, Id pevr, int flags, int evr)
+{
+  return pool_match_flags_evr(pool, pflags, pevr, flags, evr);
+}
+
 /* match two dependencies (d1 = provider) */
 
 int
@@ -638,6 +813,45 @@ pool_match_dep(Pool *pool, Id d1, Id d2)
 
   if (d1 == d2)
     return 1;
+
+  if (ISRELDEP(d1))
+    {
+      /* we use potentially matches for complex deps */
+      rd1 = GETRELDEP(pool, d1);
+      if (rd1->flags == REL_AND || rd1->flags == REL_OR || rd1->flags == REL_WITH || rd1->flags == REL_COND)
+       {
+         if (pool_match_dep(pool, rd1->name, d2))
+           return 1;
+         if (rd1->flags == REL_COND && ISRELDEP(rd1->evr))
+           {
+             rd1 = GETRELDEP(pool, rd1->evr);
+             if (rd1->flags != REL_ELSE)
+               return 0;
+           }
+         if (rd1->flags != REL_COND && pool_match_dep(pool, rd1->evr, d2))
+           return 1;
+         return 0;
+       }
+    }
+  if (ISRELDEP(d2))
+    {
+      /* we use potentially matches for complex deps */
+      rd2 = GETRELDEP(pool, d2);
+      if (rd2->flags == REL_AND || rd2->flags == REL_OR || rd2->flags == REL_WITH || rd2->flags == REL_COND)
+       {
+         if (pool_match_dep(pool, d1, rd2->name))
+           return 1;
+         if (rd2->flags == REL_COND && ISRELDEP(rd2->evr))
+           {
+             rd2 = GETRELDEP(pool, rd2->evr);
+             if (rd2->flags != REL_ELSE)
+               return 0;
+           }
+         if (rd2->flags != REL_COND && pool_match_dep(pool, d1, rd2->evr))
+           return 1;
+         return 0;
+       }
+    }
   if (!ISRELDEP(d1))
     {
       if (!ISRELDEP(d2))
@@ -655,30 +869,161 @@ pool_match_dep(Pool *pool, Id d1, Id d2)
   if (!pool_match_dep(pool, rd1->name, rd2->name))
     return 0;
   /* name matches, check flags and evr */
-  return pool_match_flags_evr(pool, rd1->flags, rd1->evr, rd2->flags, rd2->evr);
+  return pool_intersect_evrs(pool, rd1->flags, rd1->evr, rd2->flags, rd2->evr);
+}
+
+Id
+pool_searchlazywhatprovidesq(Pool *pool, Id d)
+{
+  int start = 0;
+  int end = pool->lazywhatprovidesq.count;
+  Id *elements;
+  if (!end)
+    return 0;
+  elements = pool->lazywhatprovidesq.elements;
+  while (end - start > 16)
+    {
+      int mid = (start + end) / 2 & ~1;
+      if (elements[mid] == d)
+       return elements[mid + 1];
+      if (elements[mid] < d)
+       start = mid + 2;
+      else
+       end = mid;
+    }
+  for (; start < end; start += 2)
+    if (elements[start] == d)
+      return elements[start + 1];
+  return 0;
+}
+
+/*
+ * addstdproviders
+ *
+ * lazy populating of the whatprovides array, non relation case
+ */
+static Id
+pool_addstdproviders(Pool *pool, Id d)
+{
+  const char *str;
+  Queue q;
+  Id qbuf[16];
+  Dataiterator di;
+  Id oldoffset;
+
+  if (pool->addedfileprovides == 2)
+    {
+      pool->whatprovides[d] = 1;
+      return 1;
+    }
+  str =  pool->ss.stringspace + pool->ss.strings[d];
+  if (*str != '/')
+    {
+      pool->whatprovides[d] = 1;
+      return 1;
+    }
+  queue_init_buffer(&q, qbuf, sizeof(qbuf)/sizeof(*qbuf));
+  dataiterator_init(&di, pool, 0, 0, SOLVABLE_FILELIST, str, SEARCH_STRING|SEARCH_FILES|SEARCH_COMPLETE_FILELIST);
+  for (; dataiterator_step(&di); dataiterator_skip_solvable(&di))
+    {
+      Solvable *s = pool->solvables + di.solvid;
+      /* XXX: maybe should add a provides dependency to the solvables
+       * OTOH this is only needed for rel deps that filter the provides,
+       * and those should not use filelist entries */
+      if (s->repo->disabled)
+       continue;
+      if (s->repo != pool->installed && !pool_installable(pool, s))
+       continue;
+      queue_push(&q, di.solvid);
+    }
+  dataiterator_free(&di);
+  oldoffset = pool_searchlazywhatprovidesq(pool, d);
+  if (!q.count)
+    pool->whatprovides[d] = oldoffset ? oldoffset : 1;
+  else
+    {
+      if (oldoffset)
+       {
+         Id *oo = pool->whatprovidesdata + oldoffset;
+         int i;
+         /* unify both queues. easy, as we know both are sorted */
+         for (i = 0; i < q.count; i++)
+           {
+             if (*oo > q.elements[i])
+               continue;
+             if (*oo < q.elements[i])
+               queue_insert(&q, i, *oo);
+             oo++;
+             if (!*oo)
+               break;
+           }
+         while (*oo)
+           queue_push(&q, *oo++);
+         if (q.count == oo - (pool->whatprovidesdata + oldoffset))
+           {
+             /* end result has same size as oldoffset -> no new entries */
+             queue_free(&q);
+             pool->whatprovides[d] = oldoffset;
+             return oldoffset;
+           }
+       }
+      pool->whatprovides[d] = pool_queuetowhatprovides(pool, &q);
+    }
+  queue_free(&q);
+  return pool->whatprovides[d];
+}
+
+
+static inline int
+pool_is_kind(Pool *pool, Id name, Id kind)
+{
+  const char *n;
+  if (!kind)
+    return 1;
+  n = pool_id2str(pool, name);
+  if (kind != 1)
+    {
+      const char *kn = pool_id2str(pool, kind);
+      int knl = strlen(kn);
+      return !strncmp(n, kn, knl) && n[knl] == ':' ? 1 : 0;
+    }
+  else
+    {
+      if (*n == ':')
+       return 1;
+      while(*n >= 'a' && *n <= 'z')
+       n++;
+      return *n == ':' ? 0 : 1;
+    }
 }
 
 /*
  * addrelproviders
- * 
+ *
  * add packages fulfilling the relation to whatprovides array
- * no exact providers, do range match
- * 
+ *
+ * some words about REL_AND and REL_IF: we assume the best case
+ * here, so that you get a "potential" result if you ask for a match.
+ * E.g. if you ask for "whatrequires A" and package X contains
+ * "Requires: A & B", you'll get "X" as an answer.
  */
-
 Id
 pool_addrelproviders(Pool *pool, Id d)
 {
-  Reldep *rd = GETRELDEP(pool, d);
+  Reldep *rd;
   Reldep *prd;
   Queue plist;
   Id buf[16];
-  Id name = rd->name;
-  Id evr = rd->evr;
-  int flags = rd->flags;
+  Id name, evr, flags;
   Id pid, *pidp;
   Id p, *pp;
 
+  if (!ISRELDEP(d))
+    return pool_addstdproviders(pool, d);
+  rd = GETRELDEP(pool, d);
+  name = rd->name;
+  evr = rd->evr;
+  flags = rd->flags;
   d = GETRELID(d);
   queue_init_buffer(&plist, buf, sizeof(buf)/sizeof(*buf));
 
@@ -690,7 +1035,6 @@ pool_addrelproviders(Pool *pool, Id d)
 
       switch (flags)
        {
-       case REL_AND:
        case REL_WITH:
          wp = pool_whatprovides(pool, name);
          pp2 = pool_whatprovides_ptr(pool, evr);
@@ -706,24 +1050,49 @@ pool_addrelproviders(Pool *pool, Id d)
                wp = 0;
            }
          break;
+
+       case REL_AND:
        case REL_OR:
+       case REL_COND:
+         if (flags == REL_COND)
+           {
+             if (ISRELDEP(evr))
+               {
+                 Reldep *rd2 = GETRELDEP(pool, evr);
+                 evr = rd2->flags == REL_ELSE ? rd2->evr : 0;
+               }
+             else
+               evr = 0;        /* assume cond is true */
+           }
          wp = pool_whatprovides(pool, name);
-         pp = pool->whatprovidesdata + wp;
-         if (!*pp)
-           wp = pool_whatprovides(pool, evr);
-         else
+         if (!pool->whatprovidesdata[wp])
+           wp = evr ? pool_whatprovides(pool, evr) : 1;
+         else if (evr)
            {
-             int cnt;
-             while ((p = *pp++) != 0)
-               queue_push(&plist, p);
-             cnt = plist.count;
-             pp = pool_whatprovides_ptr(pool, evr);
-             while ((p = *pp++) != 0)
-               queue_pushunique(&plist, p);
-             if (plist.count != cnt)
+             /* sorted merge */
+             pp2 = pool_whatprovides_ptr(pool, evr);
+             pp = pool->whatprovidesdata + wp;
+             while (*pp && *pp2)
+               {
+                 if (*pp < *pp2)
+                   queue_push(&plist, *pp++);
+                 else
+                   {
+                     if (*pp == *pp2)
+                       pp++;
+                     queue_push(&plist, *pp2++);
+                   }
+               }
+             while (*pp)
+               queue_push(&plist, *pp++);
+             while (*pp2)
+               queue_push(&plist, *pp2++);
+             /* if the number of elements did not change, we can reuse wp */
+             if (pp - (pool->whatprovidesdata + wp) != plist.count)
                wp = 0;
            }
          break;
+
        case REL_NAMESPACE:
          if (name == NAMESPACE_OTHERPROVIDERS)
            {
@@ -760,7 +1129,19 @@ pool_addrelproviders(Pool *pool, Id d)
                    continue;
                  if (pool_disabled_solvable(pool, s))
                    continue;
-                 if (pool_match_nevr(pool, s, name))
+                 if (!name || pool_match_nevr(pool, s, name))
+                   queue_push(&plist, p);
+               }
+             break;
+           }
+         if (!name)
+           {
+             FOR_POOL_SOLVABLES(p)
+               {
+                 Solvable *s = pool->solvables + p;
+                 if (s->repo != pool->installed && !pool_installable(pool, s))
+                   continue;
+                 if (s->arch == evr)
                    queue_push(&plist, p);
                }
              break;
@@ -776,6 +1157,37 @@ pool_addrelproviders(Pool *pool, Id d)
                wp = 0;
            }
          break;
+       case REL_MULTIARCH:
+         if (evr != ARCH_ANY)
+           break;
+         /* XXX : need to check for Multi-Arch: allowed! */
+         wp = pool_whatprovides(pool, name);
+         break;
+       case REL_KIND:
+         /* package kind filtering */
+         if (!name)
+           {
+             FOR_POOL_SOLVABLES(p)
+               {
+                 Solvable *s = pool->solvables + p;
+                 if (s->repo != pool->installed && !pool_installable(pool, s))
+                   continue;
+                 if (pool_is_kind(pool, s->name, evr))
+                   queue_push(&plist, p);
+               }
+             break;
+           }
+         wp = pool_whatprovides(pool, name);
+         pp = pool->whatprovidesdata + wp;
+         while ((p = *pp++) != 0)
+           {
+             Solvable *s = pool->solvables + p;
+             if (pool_is_kind(pool, s->name, evr))
+               queue_push(&plist, p);
+             else
+               wp = 0;
+           }
+         break;
        case REL_FILECONFLICT:
          pp = pool_whatprovides_ptr(pool, name);
          while ((p = *pp++) != 0)
@@ -805,11 +1217,14 @@ pool_addrelproviders(Pool *pool, Id d)
     }
   else if (flags)
     {
+      Id *ppaux = 0;
       /* simple version comparison relation */
 #if 0
       POOL_DEBUG(SOLV_DEBUG_STATS, "addrelproviders: what provides %s?\n", pool_dep2str(pool, name));
 #endif
       pp = pool_whatprovides_ptr(pool, name);
+      if (!ISRELDEP(name) && name < pool->whatprovidesauxoff)
+       ppaux = pool->whatprovidesaux[name] ? pool->whatprovidesauxdata + pool->whatprovidesaux[name] : 0;
       while (ISRELDEP(name))
        {
           rd = GETRELDEP(pool, name);
@@ -818,6 +1233,34 @@ pool_addrelproviders(Pool *pool, Id d)
       while ((p = *pp++) != 0)
        {
          Solvable *s = pool->solvables + p;
+         if (ppaux)
+           {
+             pid = *ppaux++;
+             if (pid && pid != 1)
+               {
+#if 0
+                 POOL_DEBUG(SOLV_DEBUG_STATS, "addrelproviders: aux hit %d %s\n", p, pool_dep2str(pool, pid));
+#endif
+                 if (!ISRELDEP(pid))
+                   {
+                     if (pid != name)
+                       continue;               /* wrong provides name */
+                     if (pool->disttype == DISTTYPE_DEB)
+                       continue;               /* unversioned provides can never match versioned deps */
+                   }
+                 else
+                   {
+                     prd = GETRELDEP(pool, pid);
+                     if (prd->name != name)
+                       continue;               /* wrong provides name */
+                     /* right package, both deps are rels. check flags/evr */
+                     if (!pool_match_flags_evr(pool, prd->flags, prd->evr, flags, evr))
+                       continue;
+                   }
+                 queue_push(&plist, p);
+                 continue;
+               }
+           }
          if (!s->provides)
            {
              /* no provides - check nevr */
@@ -862,6 +1305,46 @@ pool_addrelproviders(Pool *pool, Id d)
   return pool->whatprovides_rel[d];
 }
 
+void
+pool_flush_namespaceproviders(Pool *pool, Id ns, Id evr)
+{
+  int nrels = pool->nrels;
+  Id d;
+  Reldep *rd;
+
+  if (!pool->whatprovides_rel)
+    return;
+  for (d = 1, rd = pool->rels + d; d < nrels; d++, rd++)
+    {
+      if (rd->flags != REL_NAMESPACE || rd->name == NAMESPACE_OTHERPROVIDERS)
+       continue;
+      if (ns && rd->name != ns)
+       continue;
+      if (evr && rd->evr != evr)
+       continue;
+      pool->whatprovides_rel[d] = 0;
+    }
+}
+
+/* intersect dependencies in keyname with dep, return list of matching packages */
+void
+pool_whatmatchesdep(Pool *pool, Id keyname, Id dep, Queue *q, int marker)
+{
+  Id p;
+
+  queue_empty(q);
+  FOR_POOL_SOLVABLES(p)
+    {
+      Solvable *s = pool->solvables + p;
+      if (s->repo->disabled)
+       continue;
+      if (s->repo != pool->installed && !pool_installable(pool, s))
+       continue;
+      if (solvable_matchesdep(s, keyname, dep, marker))
+       queue_push(q, p);
+    }
+}
+
 /*************************************************************************/
 
 void
@@ -962,364 +1445,10 @@ void pool_setloadcallback(Pool *pool, int (*cb)(struct _Pool *, struct _Repodata
   pool->loadcallbackdata = loadcbdata;
 }
 
-/*************************************************************************/
-
-struct searchfiles {
-  Id *ids;
-  char **dirs;
-  char **names;
-  int nfiles;
-  Map seen;
-};
-
-#define SEARCHFILES_BLOCK 127
-
-static void
-pool_addfileprovides_dep(Pool *pool, Id *ida, struct searchfiles *sf, struct searchfiles *isf)
-{
-  Id dep, sid;
-  const char *s, *sr;
-  struct searchfiles *csf;
-
-  while ((dep = *ida++) != 0)
-    {
-      csf = sf;
-      while (ISRELDEP(dep))
-       {
-         Reldep *rd;
-         sid = pool->ss.nstrings + GETRELID(dep);
-         if (MAPTST(&csf->seen, sid))
-           {
-             dep = 0;
-             break;
-           }
-         MAPSET(&csf->seen, sid);
-         rd = GETRELDEP(pool, dep);
-         if (rd->flags < 8)
-           dep = rd->name;
-         else if (rd->flags == REL_NAMESPACE)
-           {
-             if (rd->name == NAMESPACE_INSTALLED || rd->name == NAMESPACE_SPLITPROVIDES)
-               {
-                 csf = isf;
-                 if (!csf || MAPTST(&csf->seen, sid))
-                   {
-                     dep = 0;
-                     break;
-                   }
-                 MAPSET(&csf->seen, sid);
-               }
-             dep = rd->evr;
-           }
-         else if (rd->flags == REL_FILECONFLICT)
-           {
-             dep = 0;
-             break;
-           }
-         else
-           {
-             Id ids[2];
-             ids[0] = rd->name;
-             ids[1] = 0;
-             pool_addfileprovides_dep(pool, ids, csf, isf);
-             dep = rd->evr;
-           }
-       }
-      if (!dep)
-       continue;
-      if (MAPTST(&csf->seen, dep))
-       continue;
-      MAPSET(&csf->seen, dep);
-      s = pool_id2str(pool, dep);
-      if (*s != '/')
-       continue;
-      csf->ids = solv_extend(csf->ids, csf->nfiles, 1, sizeof(Id), SEARCHFILES_BLOCK);
-      csf->dirs = solv_extend(csf->dirs, csf->nfiles, 1, sizeof(const char *), SEARCHFILES_BLOCK);
-      csf->names = solv_extend(csf->names, csf->nfiles, 1, sizeof(const char *), SEARCHFILES_BLOCK);
-      csf->ids[csf->nfiles] = dep;
-      sr = strrchr(s, '/');
-      csf->names[csf->nfiles] = solv_strdup(sr + 1);
-      csf->dirs[csf->nfiles] = solv_malloc(sr - s + 1);
-      if (sr != s)
-        strncpy(csf->dirs[csf->nfiles], s, sr - s);
-      csf->dirs[csf->nfiles][sr - s] = 0;
-      csf->nfiles++;
-    }
-}
-
-struct addfileprovides_cbdata {
-  int nfiles;
-  Id *ids;
-  char **dirs;
-  char **names;
-
-  Id *dids;
-
-  Map providedids;
-
-  Map useddirs;
-};
-
-static int
-addfileprovides_cb(void *cbdata, Solvable *s, Repodata *data, Repokey *key, KeyValue *value)
-{
-  struct addfileprovides_cbdata *cbd = cbdata;
-  int i;
-
-  if (!cbd->useddirs.size)
-    {
-      map_init(&cbd->useddirs, data->dirpool.ndirs + 1);
-      for (i = 0; i < cbd->nfiles; i++)
-       {
-         Id did;
-         if (MAPTST(&cbd->providedids, cbd->ids[i]))
-           {
-             cbd->dids[i] = 0;
-             continue;
-           }
-         did = repodata_str2dir(data, cbd->dirs[i], 0);
-         cbd->dids[i] = did;
-         if (did)
-           MAPSET(&cbd->useddirs, did);
-       }
-      repodata_free_dircache(data);
-    }
-  if (value->id >= data->dirpool.ndirs || !MAPTST(&cbd->useddirs, value->id))
-    return 0;
-  for (i = 0; i < cbd->nfiles; i++)
-    {
-      if (cbd->dids[i] != value->id)
-       continue;
-      if (!strcmp(cbd->names[i], value->str))
-       break;
-    }
-  if (i == cbd->nfiles)
-    return 0;
-  s->provides = repo_addid_dep(s->repo, s->provides, cbd->ids[i], SOLVABLE_FILEMARKER);
-  return 0;
-}
-
-static void
-pool_addfileprovides_search(Pool *pool, struct addfileprovides_cbdata *cbd, struct searchfiles *sf, Repo *repoonly)
-{
-  Id p;
-  Repodata *data;
-  Repo *repo;
-  Queue fileprovidesq;
-  int i, j, repoid, repodataid;
-  int provstart, provend;
-  Map donemap;
-  int ndone, incomplete;
-
-  if (!pool->urepos)
-    return;
-
-  cbd->nfiles = sf->nfiles;
-  cbd->ids = sf->ids;
-  cbd->dirs = sf->dirs;
-  cbd->names = sf->names;
-  cbd->dids = solv_realloc2(cbd->dids, sf->nfiles, sizeof(Id));
-  map_init(&cbd->providedids, pool->ss.nstrings);
-
-  repoid = 1;
-  repo = repoonly ? repoonly : pool->repos[repoid];
-  map_init(&donemap, pool->nsolvables);
-  queue_init(&fileprovidesq);
-  provstart = provend = 0;
-  for (;;)
-    {
-      if (!repo || repo->disabled)
-       {
-         if (repoonly || ++repoid == pool->nrepos)
-           break;
-         repo = pool->repos[repoid];
-         continue;
-       }
-      ndone = 0;
-      FOR_REPODATAS(repo, repodataid, data)
-       {
-         if (ndone >= repo->nsolvables)
-           break;
-
-         if (repodata_lookup_idarray(data, SOLVID_META, REPOSITORY_ADDEDFILEPROVIDES, &fileprovidesq))
-           {
-             map_empty(&cbd->providedids);
-             for (i = 0; i < fileprovidesq.count; i++)
-               MAPSET(&cbd->providedids, fileprovidesq.elements[i]);
-             provstart = data->start;
-             provend = data->end;
-             for (i = 0; i < cbd->nfiles; i++)
-               if (!MAPTST(&cbd->providedids, cbd->ids[i]))
-                 break;
-             if (i == cbd->nfiles)
-               {
-                 /* great! no need to search files */
-                 for (p = data->start; p < data->end; p++)
-                   if (pool->solvables[p].repo == repo)
-                     {
-                       if (MAPTST(&donemap, p))
-                         continue;
-                       MAPSET(&donemap, p);
-                       ndone++;
-                     }
-                 continue;
-               }
-           }
-
-         if (!repodata_has_keyname(data, SOLVABLE_FILELIST))
-           continue;
-
-         if (data->start < provstart || data->end > provend)
-           {
-             map_empty(&cbd->providedids);
-             provstart = provend = 0;
-           }
-
-         /* check if the data is incomplete */
-         incomplete = 0;
-         if (data->state == REPODATA_AVAILABLE)
-           {
-             for (j = 1; j < data->nkeys; j++)
-               if (data->keys[j].name != REPOSITORY_SOLVABLES && data->keys[j].name != SOLVABLE_FILELIST)
-                 break;
-             if (j < data->nkeys)
-               {
-#if 0
-                 for (i = 0; i < cbd->nfiles; i++)
-                   if (!MAPTST(&cbd->providedids, cbd->ids[i]) && !repodata_filelistfilter_matches(data, pool_id2str(pool, cbd->ids[i])))
-                     printf("need complete filelist because of %s\n", pool_id2str(pool, cbd->ids[i]));
-#endif
-                 for (i = 0; i < cbd->nfiles; i++)
-                   if (!MAPTST(&cbd->providedids, cbd->ids[i]) && !repodata_filelistfilter_matches(data, pool_id2str(pool, cbd->ids[i])))
-                     break;
-                 if (i < cbd->nfiles)
-                   incomplete = 1;
-               }
-           }
-
-         /* do the search */
-         map_init(&cbd->useddirs, 0);
-         for (p = data->start; p < data->end; p++)
-           if (pool->solvables[p].repo == repo)
-             {
-               if (MAPTST(&donemap, p))
-                 continue;
-               repodata_search(data, p, SOLVABLE_FILELIST, 0, addfileprovides_cb, cbd);
-               if (!incomplete)
-                 {
-                   MAPSET(&donemap, p);
-                   ndone++;
-                 }
-             }
-         map_free(&cbd->useddirs);
-       }
-
-      if (repoonly || ++repoid == pool->nrepos)
-       break;
-      repo = pool->repos[repoid];
-    }
-  map_free(&donemap);
-  queue_free(&fileprovidesq);
-  map_free(&cbd->providedids);
-}
-
-void
-pool_addfileprovides_queue(Pool *pool, Queue *idq, Queue *idqinst)
-{
-  Solvable *s;
-  Repo *installed, *repo;
-  struct searchfiles sf, isf, *isfp;
-  struct addfileprovides_cbdata cbd;
-  int i;
-  unsigned int now;
-
-  installed = pool->installed;
-  now = solv_timems(0);
-  memset(&sf, 0, sizeof(sf));
-  map_init(&sf.seen, pool->ss.nstrings + pool->nrels);
-  memset(&isf, 0, sizeof(isf));
-  map_init(&isf.seen, pool->ss.nstrings + pool->nrels);
-
-  if (idq)
-    queue_empty(idq);
-  if (idqinst)
-    queue_empty(idqinst);
-  isfp = installed ? &isf : 0;
-  for (i = 1, s = pool->solvables + i; i < pool->nsolvables; i++, s++)
-    {
-      repo = s->repo;
-      if (!repo)
-       continue;
-      if (s->obsoletes)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->obsoletes, &sf, isfp);
-      if (s->conflicts)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->conflicts, &sf, isfp);
-      if (s->requires)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->requires, &sf, isfp);
-      if (s->recommends)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->recommends, &sf, isfp);
-      if (s->suggests)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->suggests, &sf, isfp);
-      if (s->supplements)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->supplements, &sf, isfp);
-      if (s->enhances)
-        pool_addfileprovides_dep(pool, repo->idarraydata + s->enhances, &sf, isfp);
-    }
-  map_free(&sf.seen);
-  map_free(&isf.seen);
-  POOL_DEBUG(SOLV_DEBUG_STATS, "found %d file dependencies, %d installed file dependencies\n", sf.nfiles, isf.nfiles);
-  cbd.dids = 0;
-  if (sf.nfiles)
-    {
-#if 0
-      for (i = 0; i < sf.nfiles; i++)
-       POOL_DEBUG(SOLV_DEBUG_STATS, "looking up %s in filelist\n", pool_id2str(pool, sf.ids[i]));
-#endif
-      pool_addfileprovides_search(pool, &cbd, &sf, 0);
-      if (idq)
-        for (i = 0; i < sf.nfiles; i++)
-         queue_push(idq, sf.ids[i]);
-      if (idqinst)
-        for (i = 0; i < sf.nfiles; i++)
-         queue_push(idqinst, sf.ids[i]);
-      solv_free(sf.ids);
-      for (i = 0; i < sf.nfiles; i++)
-       {
-         solv_free(sf.dirs[i]);
-         solv_free(sf.names[i]);
-       }
-      solv_free(sf.dirs);
-      solv_free(sf.names);
-    }
-  if (isf.nfiles)
-    {
-#if 0
-      for (i = 0; i < isf.nfiles; i++)
-       POOL_DEBUG(SOLV_DEBUG_STATS, "looking up %s in installed filelist\n", pool_id2str(pool, isf.ids[i]));
-#endif
-      if (installed)
-        pool_addfileprovides_search(pool, &cbd, &isf, installed);
-      if (installed && idqinst)
-        for (i = 0; i < isf.nfiles; i++)
-         queue_pushunique(idqinst, isf.ids[i]);
-      solv_free(isf.ids);
-      for (i = 0; i < isf.nfiles; i++)
-       {
-         solv_free(isf.dirs[i]);
-         solv_free(isf.names[i]);
-       }
-      solv_free(isf.dirs);
-      solv_free(isf.names);
-    }
-  solv_free(cbd.dids);
-  pool_freewhatprovides(pool); /* as we have added provides */
-  POOL_DEBUG(SOLV_DEBUG_STATS, "addfileprovides took %d ms\n", solv_timems(now));
-}
-
-void
-pool_addfileprovides(Pool *pool)
+void pool_setnamespacecallback(Pool *pool, Id (*cb)(struct _Pool *, void *, Id, Id), void *nscbdata)
 {
-  pool_addfileprovides_queue(pool, 0, 0);
+  pool->nscallback = cb;
+  pool->nscallbackdata = nscbdata;
 }
 
 void
@@ -1343,7 +1472,6 @@ pool_clear_pos(Pool *pool)
   memset(&pool->pos, 0, sizeof(pool->pos));
 }
 
-
 void
 pool_set_languages(Pool *pool, const char **languages, int nlanguages)
 {
@@ -1351,12 +1479,9 @@ pool_set_languages(Pool *pool, const char **languages, int nlanguages)
 
   pool->languagecache = solv_free(pool->languagecache);
   pool->languagecacheother = 0;
-  if (pool->nlanguages)
-    {
-      for (i = 0; i < pool->nlanguages; i++)
-       free((char *)pool->languages[i]);
-      free(pool->languages);
-    }
+  for (i = 0; i < pool->nlanguages; i++)
+    free((char *)pool->languages[i]);
+  pool->languages = solv_free((void *)pool->languages);
   pool->nlanguages = nlanguages;
   if (!nlanguages)
     return;
@@ -1513,311 +1638,31 @@ pool_bin2hex(Pool *pool, const unsigned char *buf, int len)
   return s;
 }
 
-/*******************************************************************/
-
-struct mptree {
-  Id sibling;
-  Id child;
-  const char *comp;
-  int compl;
-  Id mountpoint;
-};
-
-struct ducbdata {
-  DUChanges *mps;
-  struct mptree *mptree;
-  int addsub;
-  int hasdu;
-
-  Id *dirmap;
-  int nmap;
-  Repodata *olddata;
-};
-
-
-static int
-solver_fill_DU_cb(void *cbdata, Solvable *s, Repodata *data, Repokey *key, KeyValue *value)
-{
-  struct ducbdata *cbd = cbdata;
-  Id mp;
-
-  if (data != cbd->olddata)
-    {
-      Id dn, mp, comp, *dirmap, *dirs;
-      int i, compl;
-      const char *compstr;
-      struct mptree *mptree;
-
-      /* create map from dir to mptree */
-      cbd->dirmap = solv_free(cbd->dirmap);
-      cbd->nmap = 0;
-      dirmap = solv_calloc(data->dirpool.ndirs, sizeof(Id));
-      mptree = cbd->mptree;
-      mp = 0;
-      for (dn = 2, dirs = data->dirpool.dirs + dn; dn < data->dirpool.ndirs; dn++)
-       {
-         comp = *dirs++;
-         if (comp <= 0)
-           {
-             mp = dirmap[-comp];
-             continue;
-           }
-         if (mp < 0)
-           {
-             /* unconnected */
-             dirmap[dn] = mp;
-             continue;
-           }
-         if (!mptree[mp].child)
-           {
-             dirmap[dn] = -mp;
-             continue;
-           }
-         if (data->localpool)
-           compstr = stringpool_id2str(&data->spool, comp);
-         else
-           compstr = pool_id2str(data->repo->pool, comp);
-         compl = strlen(compstr);
-         for (i = mptree[mp].child; i; i = mptree[i].sibling)
-           if (mptree[i].compl == compl && !strncmp(mptree[i].comp, compstr, compl))
-             break;
-         dirmap[dn] = i ? i : -mp;
-       }
-      /* change dirmap to point to mountpoint instead of mptree */
-      for (dn = 0; dn < data->dirpool.ndirs; dn++)
-       {
-         mp = dirmap[dn];
-         dirmap[dn] = mptree[mp > 0 ? mp : -mp].mountpoint;
-       }
-      cbd->dirmap = dirmap;
-      cbd->nmap = data->dirpool.ndirs;
-      cbd->olddata = data;
-    }
-  cbd->hasdu = 1;
-  if (value->id < 0 || value->id >= cbd->nmap)
-    return 0;
-  mp = cbd->dirmap[value->id];
-  if (mp < 0)
-    return 0;
-  if (cbd->addsub > 0)
-    {
-      cbd->mps[mp].kbytes += value->num;
-      cbd->mps[mp].files += value->num2;
-    }
-  else
-    {
-      cbd->mps[mp].kbytes -= value->num;
-      cbd->mps[mp].files -= value->num2;
-    }
-  return 0;
-}
-
-static void
-propagate_mountpoints(struct mptree *mptree, int pos, Id mountpoint)
-{
-  int i;
-  if (mptree[pos].mountpoint == -1)
-    mptree[pos].mountpoint = mountpoint;
-  else
-    mountpoint = mptree[pos].mountpoint;
-  for (i = mptree[pos].child; i; i = mptree[i].sibling)
-    propagate_mountpoints(mptree, i, mountpoint);
-}
-
-#define MPTREE_BLOCK 15
-
-void
-pool_calc_duchanges(Pool *pool, Map *installedmap, DUChanges *mps, int nmps)
-{
-  char *p;
-  const char *path, *compstr;
-  struct mptree *mptree;
-  int i, nmptree;
-  int pos, compl;
-  int mp;
-  struct ducbdata cbd;
-  Solvable *s;
-  Id sp;
-  Map ignoredu;
-  Repo *oldinstalled = pool->installed;
-
-  memset(&ignoredu, 0, sizeof(ignoredu));
-  cbd.mps = mps;
-  cbd.addsub = 0;
-  cbd.dirmap = 0;
-  cbd.nmap = 0;
-  cbd.olddata = 0;
-
-  mptree = solv_extend_resize(0, 1, sizeof(struct mptree), MPTREE_BLOCK);
-
-  /* our root node */
-  mptree[0].sibling = 0;
-  mptree[0].child = 0;
-  mptree[0].comp = 0;
-  mptree[0].compl = 0;
-  mptree[0].mountpoint = -1;
-  nmptree = 1;
-  
-  /* create component tree */
-  for (mp = 0; mp < nmps; mp++)
-    {
-      mps[mp].kbytes = 0;
-      mps[mp].files = 0;
-      pos = 0;
-      path = mps[mp].path;
-      while(*path == '/')
-       path++;
-      while (*path)
-       {
-         if ((p = strchr(path, '/')) == 0)
-           {
-             compstr = path;
-             compl = strlen(compstr);
-             path += compl;
-           }
-         else
-           {
-             compstr = path;
-             compl = p - path;
-             path = p + 1;
-             while(*path == '/')
-               path++;
-           }
-          for (i = mptree[pos].child; i; i = mptree[i].sibling)
-           if (mptree[i].compl == compl && !strncmp(mptree[i].comp, compstr, compl))
-             break;
-         if (!i)
-           {
-             /* create new node */
-             mptree = solv_extend(mptree, nmptree, 1, sizeof(struct mptree), MPTREE_BLOCK);
-             i = nmptree++;
-             mptree[i].sibling = mptree[pos].child;
-             mptree[i].child = 0;
-             mptree[i].comp = compstr;
-             mptree[i].compl = compl;
-             mptree[i].mountpoint = -1;
-             mptree[pos].child = i;
-           }
-         pos = i;
-       }
-      mptree[pos].mountpoint = mp;
-    }
-
-  propagate_mountpoints(mptree, 0, mptree[0].mountpoint);
-
-#if 0
-  for (i = 0; i < nmptree; i++)
-    {
-      printf("#%d sibling: %d\n", i, mptree[i].sibling);
-      printf("#%d child: %d\n", i, mptree[i].child);
-      printf("#%d comp: %s\n", i, mptree[i].comp);
-      printf("#%d compl: %d\n", i, mptree[i].compl);
-      printf("#%d mountpont: %d\n", i, mptree[i].mountpoint);
-    }
-#endif
-
-  cbd.mptree = mptree;
-  cbd.addsub = 1;
-  for (sp = 1, s = pool->solvables + sp; sp < pool->nsolvables; sp++, s++)
-    {
-      if (!s->repo || (oldinstalled && s->repo == oldinstalled))
-       continue;
-      if (!MAPTST(installedmap, sp))
-       continue;
-      cbd.hasdu = 0;
-      repo_search(s->repo, sp, SOLVABLE_DISKUSAGE, 0, 0, solver_fill_DU_cb, &cbd);
-      if (!cbd.hasdu && oldinstalled)
-       {
-         Id op, opp;
-         /* no du data available, ignore data of all installed solvables we obsolete */
-         if (!ignoredu.map)
-           map_init(&ignoredu, oldinstalled->end - oldinstalled->start);
-         if (s->obsoletes)
-           {
-             Id obs, *obsp = s->repo->idarraydata + s->obsoletes;
-             while ((obs = *obsp++) != 0)
-               FOR_PROVIDES(op, opp, obs)
-                 if (op >= oldinstalled->start && op < oldinstalled->end)
-                   MAPSET(&ignoredu, op - oldinstalled->start);
-           }
-         FOR_PROVIDES(op, opp, s->name)
-           if (pool->solvables[op].name == s->name)
-             if (op >= oldinstalled->start && op < oldinstalled->end)
-               MAPSET(&ignoredu, op - oldinstalled->start);
-       }
-    }
-  cbd.addsub = -1;
-  if (oldinstalled)
-    {
-      /* assumes we allways have du data for installed solvables */
-      FOR_REPO_SOLVABLES(oldinstalled, sp, s)
-       {
-         if (MAPTST(installedmap, sp))
-           continue;
-         if (ignoredu.map && MAPTST(&ignoredu, sp - oldinstalled->start))
-           continue;
-         repo_search(oldinstalled, sp, SOLVABLE_DISKUSAGE, 0, 0, solver_fill_DU_cb, &cbd);
-       }
-    }
-  if (ignoredu.map)
-    map_free(&ignoredu);
-  solv_free(cbd.dirmap);
-  solv_free(mptree);
-}
-
-int
-pool_calc_installsizechange(Pool *pool, Map *installedmap)
-{
-  Id sp;
-  Solvable *s;
-  int change = 0;
-  Repo *oldinstalled = pool->installed;
-
-  for (sp = 1, s = pool->solvables + sp; sp < pool->nsolvables; sp++, s++)
-    {
-      if (!s->repo || (oldinstalled && s->repo == oldinstalled))
-       continue;
-      if (!MAPTST(installedmap, sp))
-       continue;
-      change += solvable_lookup_sizek(s, SOLVABLE_INSTALLSIZE, 0);
-    }
-  if (oldinstalled)
-    {
-      FOR_REPO_SOLVABLES(oldinstalled, sp, s)
-       {
-         if (MAPTST(installedmap, sp))
-           continue;
-         change -= solvable_lookup_sizek(s, SOLVABLE_INSTALLSIZE, 0);
-       }
-    }
-  return change;
-}
-
 /* map:
  *  1: installed
  *  2: conflicts with installed
  *  8: interesting (only true if installed)
  * 16: undecided
  */
+
 static inline Id dep2name(Pool *pool, Id dep)
 {
   while (ISRELDEP(dep))
     {
-      Reldep *rd = rd = GETRELDEP(pool, dep);
+      Reldep *rd = GETRELDEP(pool, dep);
       dep = rd->name;
     }
   return dep;
 }
 
-static int providedbyinstalled_multiversion(Pool *pool, unsigned char *map, Id n, Id con) 
+static int providedbyinstalled_multiversion(Pool *pool, unsigned char *map, Id n, Id con)
 {
   Id p, pp;
-  Solvable *sn = pool->solvables + n; 
+  Solvable *sn = pool->solvables + n;
 
   FOR_PROVIDES(p, pp, sn->name)
-    {    
-      Solvable *s = pool->solvables + p; 
+    {
+      Solvable *s = pool->solvables + p;
       if (s->name != sn->name || s->arch != sn->arch)
         continue;
       if ((map[p] & 9) != 9)
@@ -1829,7 +1674,7 @@ static int providedbyinstalled_multiversion(Pool *pool, unsigned char *map, Id n
   return 0;
 }
 
-static inline int providedbyinstalled(Pool *pool, unsigned char *map, Id dep, int ispatch, Map *noobsoletesmap)
+static inline int providedbyinstalled(Pool *pool, unsigned char *map, Id dep, int ispatch, Map *multiversionmap)
 {
   Id p, pp;
   int r = 0;
@@ -1839,7 +1684,7 @@ static inline int providedbyinstalled(Pool *pool, unsigned char *map, Id dep, in
         return 1;      /* always boring, as never constraining */
       if (ispatch && !pool_match_nevr(pool, pool->solvables + p, dep))
        continue;
-      if (ispatch && noobsoletesmap && noobsoletesmap->size && MAPTST(noobsoletesmap, p) && ISRELDEP(dep))
+      if (ispatch && multiversionmap && multiversionmap->size && MAPTST(multiversionmap, p) && ISRELDEP(dep))
        if (providedbyinstalled_multiversion(pool, map, p, dep))
          continue;
       if ((map[p] & 9) == 9)
@@ -1861,7 +1706,7 @@ static inline int providedbyinstalled(Pool *pool, unsigned char *map, Id dep, in
  */
 
 void
-pool_trivial_installable_noobsoletesmap(Pool *pool, Map *installedmap, Queue *pkgs, Queue *res, Map *noobsoletesmap)
+pool_trivial_installable_multiversionmap(Pool *pool, Map *installedmap, Queue *pkgs, Queue *res, Map *multiversionmap)
 {
   int i, r, m, did;
   Id p, *dp, con, *conp, req, *reqp;
@@ -1935,7 +1780,7 @@ pool_trivial_installable_noobsoletesmap(Pool *pool, Map *installedmap, Queue *pk
          conp = s->repo->idarraydata + s->conflicts;
          while ((con = *conp++) != 0)
            {
-             if ((providedbyinstalled(pool, map, con, ispatch, noobsoletesmap) & 1) != 0)
+             if ((providedbyinstalled(pool, map, con, ispatch, multiversionmap) & 1) != 0)
                {
                  map[p] = 2;
                  did = 0;
@@ -1944,7 +1789,7 @@ pool_trivial_installable_noobsoletesmap(Pool *pool, Map *installedmap, Queue *pk
              if ((m == 1 || m == 17) && ISRELDEP(con))
                {
                  con = dep2name(pool, con);
-                 if ((providedbyinstalled(pool, map, con, ispatch, noobsoletesmap) & 1) != 0)
+                 if ((providedbyinstalled(pool, map, con, ispatch, multiversionmap) & 1) != 0)
                    m = 9;
                }
            }
@@ -2008,14 +1853,14 @@ pool_trivial_installable_noobsoletesmap(Pool *pool, Map *installedmap, Queue *pk
 void
 pool_trivial_installable(Pool *pool, Map *installedmap, Queue *pkgs, Queue *res)
 {
-  pool_trivial_installable_noobsoletesmap(pool, installedmap, pkgs, res, 0);
+  pool_trivial_installable_multiversionmap(pool, installedmap, pkgs, res, 0);
 }
 
 const char *
 pool_lookup_str(Pool *pool, Id entry, Id keyname)
 {
   if (entry == SOLVID_POS && pool->pos.repo)
-    return repodata_lookup_str(pool->pos.repo->repodata + pool->pos.repodataid, SOLVID_POS, keyname);
+    return repo_lookup_str(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname);
   if (entry <= 0)
     return 0;
   return solvable_lookup_str(pool->solvables + entry, keyname);
@@ -2025,11 +1870,7 @@ Id
 pool_lookup_id(Pool *pool, Id entry, Id keyname)
 {
   if (entry == SOLVID_POS && pool->pos.repo)
-    {
-      Repodata *data = pool->pos.repo->repodata + pool->pos.repodataid;
-      Id id = repodata_lookup_id(data, SOLVID_POS, keyname);
-      return data->localpool ? repodata_globalize_id(data, id, 1) : id;
-    }
+    return repo_lookup_id(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname);
   if (entry <= 0)
     return 0;
   return solvable_lookup_id(pool->solvables + entry, keyname);
@@ -2039,12 +1880,7 @@ unsigned long long
 pool_lookup_num(Pool *pool, Id entry, Id keyname, unsigned long long notfound)
 {
   if (entry == SOLVID_POS && pool->pos.repo)
-    {
-      unsigned long long value;
-      if (repodata_lookup_num(pool->pos.repo->repodata + pool->pos.repodataid, SOLVID_POS, keyname, &value))
-       return value;
-      return notfound;
-    }
+    return repo_lookup_num(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname, notfound);
   if (entry <= 0)
     return notfound;
   return solvable_lookup_num(pool->solvables + entry, keyname, notfound);
@@ -2054,7 +1890,7 @@ int
 pool_lookup_void(Pool *pool, Id entry, Id keyname)
 {
   if (entry == SOLVID_POS && pool->pos.repo)
-    return repodata_lookup_void(pool->pos.repo->repodata + pool->pos.repodataid, SOLVID_POS, keyname);
+    return repo_lookup_void(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname);
   if (entry <= 0)
     return 0;
   return solvable_lookup_void(pool->solvables + entry, keyname);
@@ -2064,7 +1900,7 @@ const unsigned char *
 pool_lookup_bin_checksum(Pool *pool, Id entry, Id keyname, Id *typep)
 {
   if (entry == SOLVID_POS && pool->pos.repo)
-    return repodata_lookup_bin_checksum(pool->pos.repo->repodata + pool->pos.repodataid, SOLVID_POS, keyname, typep);
+    return repo_lookup_bin_checksum(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname, typep);
   if (entry <= 0)
     return 0;
   return solvable_lookup_bin_checksum(pool->solvables + entry, keyname, typep);
@@ -2074,15 +1910,22 @@ const char *
 pool_lookup_checksum(Pool *pool, Id entry, Id keyname, Id *typep)
 {
   if (entry == SOLVID_POS && pool->pos.repo)
-    {
-      const unsigned char *chk = repodata_lookup_bin_checksum(pool->pos.repo->repodata + pool->pos.repodataid, SOLVID_POS, keyname, typep);
-      return chk ? repodata_chk2str(pool->pos.repo->repodata + pool->pos.repodataid, *typep, chk) : 0;
-    }
+    return repo_lookup_checksum(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname, typep);
   if (entry <= 0)
     return 0;
   return solvable_lookup_checksum(pool->solvables + entry, keyname, typep);
 }
 
+int
+pool_lookup_idarray(Pool *pool, Id entry, Id keyname, Queue *q)
+{
+  if (entry == SOLVID_POS && pool->pos.repo)
+    return repo_lookup_idarray(pool->pos.repo, pool->pos.repodataid ? entry : pool->pos.solvid, keyname, q);
+  if (entry <= 0)
+    return 0;
+  return solvable_lookup_idarray(pool->solvables + entry, keyname, q);
+}
+
 const char *
 pool_lookup_deltalocation(Pool *pool, Id entry, unsigned int *medianrp)
 {
@@ -2128,6 +1971,8 @@ add_new_provider(Pool *pool, Id id, Id p)
   if (p)
     queue_push(&q, p);
   pool->whatprovides[id] = pool_queuetowhatprovides(pool, &q);
+  if (id < pool->whatprovidesauxoff)
+    pool->whatprovidesaux[id] = 0;     /* sorry */
   queue_free(&q);
 }
 
@@ -2142,12 +1987,12 @@ pool_add_fileconflicts_deps(Pool *pool, Queue *conflicts)
 
   if (!conflicts->count)
     return;
-  for (i = 0; i < conflicts->count; i += 5)
+  for (i = 0; i < conflicts->count; i += 6)
     {
       fn = conflicts->elements[i];
       p = conflicts->elements[i + 1];
       md5 = conflicts->elements[i + 2];
-      q = conflicts->elements[i + 3];
+      q = conflicts->elements[i + 4];
       id = pool_rel2id(pool, fn, md5, REL_FILECONFLICT, 1);
       s = pool->solvables + p;
       if (!s->repo)