- no more freshens. R.I.P.
[platform/upstream/libsolv.git] / src / pool.c
index 9e72894..d14c27f 100644 (file)
@@ -1,4 +1,11 @@
 /*
+ * Copyright (c) 2007, Novell Inc.
+ *
+ * This program is licensed under the BSD license, read LICENSE.BSD
+ * for further information
+ */
+
+/*
  * pool.c
  * 
  * The pool contains information about solvables
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdarg.h>
 #include <unistd.h>
 #include <string.h>
 
 #include "pool.h"
+#include "repo.h"
 #include "poolid.h"
 #include "poolid_private.h"
 #include "poolarch.h"
 #include "util.h"
+#include "bitmap.h"
 #include "evr.h"
 
+#define SOLVABLE_BLOCK 255
 
-// reset all whatprovides
-// 
-void
-pool_freewhatprovides(Pool *pool)
-{
-  pool->whatprovides = xfree(pool->whatprovides);
-  pool->whatprovidesdata = xfree(pool->whatprovidesdata);
-  pool->whatprovidesdataoff = 0;
-  pool->whatprovidesdataleft = 0;
-}
-
-
-// list of string constants, so we can do pointer/Id instead of string comparison
-// index into array matches ID_xxx constants in pool.h
-
-static char *initpool_data[] = {
-  "<NULL>",                   // ID_NULL
-  "",                         // ID_EMPTY
-  "solvable:name",
-  "solvable:arch",
-  "solvable:evr",
-  "solvable:vendor",
-  "solvable:provides",
-  "solvable:obsoletes",
-  "solvable:conflicts",
-  "solvable:requires",
-  "solvable:recommends",
-  "solvable:suggests",
-  "solvable:supplements",
-  "solvable:enhances",
-  "solvable:freshens",
-  "rpm:dbid",                         /* direct key into rpmdb */
-  "solvable:prereqmarker",
-  "solvable:filemarker",
-  "namespace:installed",
-  "namespace:modalias",
-  "system:system",
-  "src",
-  "nosrc",
-  "noarch"
-};
+#define KNOWNID_INITIALIZE
+#include "knownid.h"
+#undef KNOWNID_INITIALIZE
 
-// create pool
-// 
+/* create pool */
 Pool *
 pool_create(void)
 {
-  int count, totalsize = 0;
   Pool *pool;
   Solvable *s;
 
-  pool = (Pool *)xcalloc(1, sizeof(*pool));
+  pool = (Pool *)sat_calloc(1, sizeof(*pool));
 
-  // count number and total size of predefined strings
-  for (count = 0; count < sizeof(initpool_data)/sizeof(*initpool_data); count++)
-    totalsize += strlen(initpool_data[count]) + 1;
+  stringpool_init (&pool->ss, initpool_data);
 
-  // alloc appropriate space
-  pool->stringspace = (char *)xmalloc((totalsize + STRINGSPACE_BLOCK) & ~STRINGSPACE_BLOCK);
-  pool->strings = (Offset *)xmalloc(((count + STRING_BLOCK) & ~STRING_BLOCK) * sizeof(Offset));
-
-  // now copy predefined strings into allocated space
-  pool->sstrings = 0;
-  for (count = 0; count < sizeof(initpool_data)/sizeof(*initpool_data); count++)
-    {
-      strcpy(pool->stringspace + pool->sstrings, initpool_data[count]);
-      pool->strings[count] = pool->sstrings;
-      pool->sstrings += strlen(initpool_data[count]) + 1;
-    }
-  pool->nstrings = count;
-
-  // pre-alloc space for a RelDep
-  pool->rels = (Reldep *)xcalloc(1 + REL_BLOCK, sizeof(Reldep));
+  /* alloc space for RelDep 0 */
+  pool->rels = sat_extend_resize(0, 1, sizeof(Reldep), REL_BLOCK);
   pool->nrels = 1;
+  memset(pool->rels, 0, sizeof(Reldep));
 
-  // pre-alloc space for a Solvable
-  pool->solvables = (Solvable *)xcalloc(2, sizeof(Solvable));
+  /* alloc space for Solvable 0 and system solvable */
+  pool->solvables = sat_extend_resize(0, 2, sizeof(Solvable), SOLVABLE_BLOCK);
   pool->nsolvables = 2;
+  memset(pool->solvables, 0, 2 * sizeof(Solvable));
   s = pool->solvables + SYSTEMSOLVABLE;
   s->name = SYSTEM_SYSTEM;
   s->arch = ARCH_NOARCH;
   s->evr = ID_EMPTY;
+
+  queue_init(&pool->vendormap);
+
+  pool->debugmask = SAT_DEBUG_RESULT;  /* FIXME */
   return pool;
 }
 
 
-// empty the pool
-// 
+/* free all the resources of our pool */
 void
 pool_free(Pool *pool)
 {
   int i;
-  Repo *repo;
 
   pool_freewhatprovides(pool);
   pool_freeidhashes(pool);
-  for (i = 0; i < pool->nrepos; i++)
-    {
-      repo = pool->repos[i];
-      xfree(repo->idarraydata);
-      xfree(repo->rpmdbid);
-      xfree(repo);
-    }
-  xfree(pool->id2arch);
-  xfree(pool->solvables);
-  xfree(pool->repos);
-  xfree(pool->stringspace);
-  xfree(pool->strings);
-  xfree(pool->rels);
-  for (i = 0; i < DEP2STRBUF; i++)
-    xfree(pool->dep2strbuf[i]);
-  xfree(pool);
+  repo_freeallrepos(pool, 1);
+  sat_free(pool->id2arch);
+  sat_free(pool->solvables);
+  sat_free(pool->ss.stringspace);
+  sat_free(pool->ss.strings);
+  sat_free(pool->rels);
+  queue_free(&pool->vendormap);
+  for (i = 0; i < POOL_TMPSPACEBUF; i++)
+    sat_free(pool->tmpspacebuf[i]);
+  for (i = 0; i < pool->nlanguages; i++)
+    free((char *)pool->languages[i]);
+  sat_free(pool->languages);
+  sat_free(pool->languagecache);
+  sat_free(pool);
+}
+
+Id
+pool_add_solvable(Pool *pool)
+{
+  pool->solvables = sat_extend(pool->solvables, pool->nsolvables, 1, sizeof(Solvable), SOLVABLE_BLOCK);
+  memset(pool->solvables + pool->nsolvables, 0, sizeof(Solvable));
+  return pool->nsolvables++;
+}
+
+Id
+pool_add_solvable_block(Pool *pool, int count)
+{
+  Id nsolvables = pool->nsolvables;
+  if (!count)
+    return nsolvables;
+  pool->solvables = sat_extend(pool->solvables, pool->nsolvables, count, sizeof(Solvable), SOLVABLE_BLOCK);
+  memset(pool->solvables + nsolvables, 0, sizeof(Solvable) * count);
+  pool->nsolvables += count;
+  return nsolvables;
+}
+
+void
+pool_free_solvable_block(Pool *pool, Id start, int count, int reuseids)
+{
+  if (!count)
+    return;
+  if (reuseids && start + count == pool->nsolvables)
+    {
+      /* might want to shrink solvable array */
+      pool->nsolvables = start;
+      return;
+    }
+  memset(pool->solvables + start, 0, sizeof(Solvable) * count);
 }
 
 
@@ -159,6 +150,12 @@ pool_shrink_whatprovides_sortcmp(const void *ap, const void *bp)
   return *(Id *)ap - *(Id *)bp;
 }
 
+/*
+ * pool_shrink_whatprovides  - unify whatprovides data
+ *
+ * whatprovides_rel must be empty for this to work!
+ *
+ */
 static void
 pool_shrink_whatprovides(Pool *pool)
 {
@@ -168,16 +165,16 @@ pool_shrink_whatprovides(Pool *pool)
   Offset o;
   int r;
 
-  if (pool->nstrings < 3)
+  if (pool->ss.nstrings < 3)
     return;
-  sorted = xmalloc2(pool->nstrings, sizeof(Id));
-  for (id = 0; id < pool->nstrings; id++)
+  sorted = sat_malloc2(pool->ss.nstrings, sizeof(Id));
+  for (id = 0; id < pool->ss.nstrings; id++)
     sorted[id] = id;
   pool_shrink_whatprovides_sortcmp_data = pool;
-  qsort(sorted + 1, pool->nstrings - 1, sizeof(Id), pool_shrink_whatprovides_sortcmp);
+  qsort(sorted + 1, pool->ss.nstrings - 1, sizeof(Id), pool_shrink_whatprovides_sortcmp);
   last = 0;
   lastid = 0;
-  for (i = 1; i < pool->nstrings; i++)
+  for (i = 1; i < pool->ss.nstrings; i++)
     {
       id = sorted[i];
       o = pool->whatprovides[id];
@@ -204,9 +201,9 @@ pool_shrink_whatprovides(Pool *pool)
       last = pool->whatprovidesdata + o;
       lastid = id;
     }
-  xfree(sorted);
+  sat_free(sorted);
   dp = pool->whatprovidesdata + 2;
-  for (id = 1; id < pool->nstrings; id++)
+  for (id = 1; id < pool->ss.nstrings; id++)
     {
       o = pool->whatprovides[id];
       if (o == 0 || o == 1)
@@ -227,13 +224,12 @@ pool_shrink_whatprovides(Pool *pool)
        ;
     }
   o = dp - pool->whatprovidesdata;
-  if (pool->verbose)
-    printf("shrunk whatprovidesdata from %d to %d\n", pool->whatprovidesdataoff, o);
+  POOL_DEBUG(SAT_DEBUG_STATS, "shrunk whatprovidesdata from %d to %d\n", pool->whatprovidesdataoff, o);
   if (pool->whatprovidesdataoff == o)
     return;
   r = pool->whatprovidesdataoff - o;
   pool->whatprovidesdataoff = o;
-  pool->whatprovidesdata = xrealloc(pool->whatprovidesdata, (o + pool->whatprovidesdataleft) * sizeof(Id));
+  pool->whatprovidesdata = sat_realloc(pool->whatprovidesdata, (o + pool->whatprovidesdataleft) * sizeof(Id));
   if (r > pool->whatprovidesdataleft)
     r = pool->whatprovidesdataleft;
   memset(pool->whatprovidesdata + o, 0, r * sizeof(Id));
@@ -241,14 +237,13 @@ pool_shrink_whatprovides(Pool *pool)
 
 
 /*
- * pool_prepare()
+ * pool_createwhatprovides()
  * 
- * create hashes over complete pool to ease lookups
+ * create hashes over pool of solvables to ease provide lookups
  * 
  */
-
 void
-pool_prepare(Pool *pool)
+pool_createwhatprovides(Pool *pool)
 {
   int i, num, np, extra;
   Offset off;
@@ -258,15 +253,14 @@ pool_prepare(Pool *pool)
   Offset *whatprovides;
   Id *whatprovidesdata, *d;
 
-  if (pool->verbose)
-    printf("number of solvables: %d\n", pool->nsolvables);
-  if (pool->verbose)
-    printf("number of ids: %d + %d\n", pool->nstrings, pool->nrels);
+  POOL_DEBUG(SAT_DEBUG_STATS, "number of solvables: %d\n", pool->nsolvables);
+  POOL_DEBUG(SAT_DEBUG_STATS, "number of ids: %d + %d\n", pool->ss.nstrings, pool->nrels);
 
-  pool_freeidhashes(pool);
+  pool_freeidhashes(pool);     /* XXX: should not be here! */
   pool_freewhatprovides(pool);
-  num = pool->nstrings + pool->nrels;
-  whatprovides = (Offset *)xcalloc(num, sizeof(Offset));
+  num = pool->ss.nstrings;
+  pool->whatprovides = whatprovides = sat_calloc_block(num, sizeof(Offset), WHATPROVIDES_BLOCK);
+  pool->whatprovides_rel = sat_calloc_block(pool->nrels, sizeof(Offset), WHATPROVIDES_BLOCK);
 
   /* count providers for each name */
   for (i = 1; i < pool->nsolvables; i++)
@@ -280,7 +274,7 @@ pool_prepare(Pool *pool)
       pp = s->repo->idarraydata + s->provides;
       while ((id = *pp++) != ID_NULL)
        {
-         if (ISRELDEP(id))
+         while (ISRELDEP(id))
            {
              Reldep *rd = GETRELDEP(pool, id);
              id = rd->name;
@@ -302,18 +296,17 @@ pool_prepare(Pool *pool)
       np++;                           /* inc # of provider 'slots' */
     }
 
-  if (pool->verbose)
-    printf("provide ids: %d\n", np);
-  extra = 2 * pool->nrels;
+  POOL_DEBUG(SAT_DEBUG_STATS, "provide ids: %d\n", np);
 
+  /* reserve some space for relation data */
+  extra = 2 * pool->nrels;
   if (extra < 256)
     extra = 256;
 
-  if (pool->verbose)
-    printf("provide space needed: %d + %d\n", off, extra);
+  POOL_DEBUG(SAT_DEBUG_STATS, "provide space needed: %d + %d\n", off, extra);
 
   /* alloc space for all providers + extra */
-  whatprovidesdata = (Id *)xcalloc(off + extra, sizeof(Id));
+  whatprovidesdata = sat_calloc(off + extra, sizeof(Id));
 
   /* now fill data for all provides */
   for (i = 1; i < pool->nsolvables; i++)
@@ -329,7 +322,7 @@ pool_prepare(Pool *pool)
       pp = s->repo->idarraydata + s->provides;
       while ((id = *pp++) != 0)
        {
-         if (ISRELDEP(id))
+         while (ISRELDEP(id))
            {
              Reldep *rd = GETRELDEP(pool, id);
              id = rd->name;
@@ -340,36 +333,44 @@ pool_prepare(Pool *pool)
              d++;
              while (*d)               /* find free slot */
                d++;
-             if (d[-1] == i)
-               {
-#if 0
-                 if (pool->verbose) printf("duplicate entry for %s in package %s.%s\n", id2str(pool, id), id2str(pool, s->name), id2str(pool, s->arch));
-#endif
-                 continue;
-               }
+             if (d[-1] == i)          /* solvable already tacked at end ? */
+               continue;              /* Y: skip, on to next provides */
            }
          *d = i;                      /* put solvable Id into data */
        }
     }
-  pool->whatprovides = whatprovides;
   pool->whatprovidesdata = whatprovidesdata;
   pool->whatprovidesdataoff = off;
   pool->whatprovidesdataleft = extra;
   pool_shrink_whatprovides(pool);
 }
 
+/*
+ * free all of our whatprovides data
+ * be careful, everything internalized with pool_queuetowhatprovides is gone, too
+ */
+void
+pool_freewhatprovides(Pool *pool)
+{
+  pool->whatprovides = sat_free(pool->whatprovides);
+  pool->whatprovides_rel = sat_free(pool->whatprovides_rel);
+  pool->whatprovidesdata = sat_free(pool->whatprovidesdata);
+  pool->whatprovidesdataoff = 0;
+  pool->whatprovidesdataleft = 0;
+}
+
 
 /******************************************************************************/
 
 /*
- * pool_queuetowhatprovides
+ * pool_queuetowhatprovides  - add queue contents to whatprovidesdata
  * 
  * on-demand filling of provider information
  * move queue data into whatprovidesdata
  * q: queue of Ids
  * returns: Offset into whatprovides
+ *
  */
-
 Id
 pool_queuetowhatprovides(Pool *pool, Queue *q)
 {
@@ -382,9 +383,8 @@ pool_queuetowhatprovides(Pool *pool, Queue *q)
   /* extend whatprovidesdata if needed, +1 for ID_NULL-termination */
   if (pool->whatprovidesdataleft < count + 1)
     {
-      if (pool->verbose)
-        printf("growing provides hash data...\n");
-      pool->whatprovidesdata = (Id *)xrealloc(pool->whatprovidesdata, (pool->whatprovidesdataoff + count + 4096) * sizeof(Id));
+      POOL_DEBUG(SAT_DEBUG_STATS, "growing provides hash data...\n");
+      pool->whatprovidesdata = sat_realloc(pool->whatprovidesdata, (pool->whatprovidesdataoff + count + 4096) * sizeof(Id));
       pool->whatprovidesdataleft = count + 4096;
     }
 
@@ -401,7 +401,53 @@ pool_queuetowhatprovides(Pool *pool, Queue *q)
 }
 
 
-/******************************************************************************/
+/*************************************************************************/
+
+/* check if a package's nevr matches a dependency */
+
+int
+pool_match_nevr_rel(Pool *pool, Solvable *s, Id d)
+{
+  Reldep *rd = GETRELDEP(pool, d);
+  Id name = rd->name;
+  Id evr = rd->evr;
+  int flags = rd->flags;
+
+  if (flags > 7)
+    {
+      switch (flags)
+       {
+       case REL_ARCH:
+         if (s->arch != evr)
+           return 0;
+         return pool_match_nevr(pool, s, name);
+       case REL_OR:
+         if (pool_match_nevr(pool, s, name))
+           return 1;
+         return pool_match_nevr(pool, s, evr);
+       case REL_AND:
+       case REL_WITH:
+         if (!pool_match_nevr(pool, s, name))
+           return 0;
+         return pool_match_nevr(pool, s, evr);
+       default:
+         return 0;
+       }
+    }
+  if (!pool_match_nevr(pool, s, name))
+    return 0;
+  if (evr == s->evr)
+    return flags & 2 ? 1 : 0;
+  if (!flags)
+    return 0;
+  if (flags == 7)
+    return 1;
+  if (flags != 2 && flags != 5)
+    flags ^= 5;
+  if ((flags & (1 << (1 + evrcmp(pool, s->evr, evr, EVRCMP_MATCH_RELEASE)))) != 0)
+    return 1;
+  return 0;
+}
 
 /*
  * addrelproviders
@@ -424,14 +470,14 @@ pool_addrelproviders(Pool *pool, Id d)
   Id pid, *pidp;
   Id p, *pp, *pp2, *pp3;
 
-  d = GETRELID(pool, d);
+  d = GETRELID(d);
   queue_init_buffer(&plist, buf, sizeof(buf)/sizeof(*buf));
   switch (flags)
     {
     case REL_AND:
     case REL_WITH:
-      pp = GET_PROVIDESP(name, p);
-      pp2 = GET_PROVIDESP(evr, p);
+      pp = pool_whatprovides(pool, name);
+      pp2 = pool_whatprovides(pool, evr);
       while ((p = *pp++) != 0)
        {
          for (pp3 = pp2; *pp3;)
@@ -443,53 +489,106 @@ pool_addrelproviders(Pool *pool, Id d)
        }
       break;
     case REL_OR:
-      pp = GET_PROVIDESP(name, p);
+      pp = pool_whatprovides(pool, name);
       while ((p = *pp++) != 0)
        queue_push(&plist, p);
-      pp = GET_PROVIDESP(evr, p);
+      pp = pool_whatprovides(pool, evr);
       while ((p = *pp++) != 0)
        queue_pushunique(&plist, p);
       break;
     case REL_NAMESPACE:
       if (pool->nscallback)
        {
+         /* ask callback which packages provide the dependency
+           * 0:  none
+           * 1:  the system (aka SYSTEMSOLVABLE)
+           * >1: a set of packages, stored as offset on whatprovidesdata
+           */
          p = pool->nscallback(pool, pool->nscallbackdata, name, evr);
          if (p > 1)
            {
              queue_free(&plist);
-             pool->whatprovides[d] = p;
+             pool->whatprovides_rel[d] = p;
              return pool->whatprovidesdata + p;
            }
          if (p == 1)
            queue_push(&plist, SYSTEMSOLVABLE);
        }
       break;
+    case REL_ARCH:
+      /* small hack: make it possible to match <pkg>.src
+       * we have to iterate over the solvables as src packages do not
+       * provide anything, thus they are not indexed in our
+       * whatprovides hash */
+      if (evr == ARCH_SRC)
+       {
+         Solvable *s;
+         for (p = 1, s = pool->solvables + p; p < pool->nsolvables; p++, s++)
+           {
+             if (s->arch != ARCH_SRC && s->arch != ARCH_NOSRC)
+               continue;
+             if (pool_match_nevr(pool, s, name))
+               queue_push(&plist, p);
+           }
+         break;
+       }
+      pp = pp2 = pool_whatprovides(pool, name);
+      while ((p = *pp++) != 0)
+       {
+         Solvable *s = pool->solvables + p;
+         if (s->arch == evr)
+           queue_push(&plist, p);
+         else
+           pp2 = 0;
+       }
+      if (pp2)
+       return pp2;
+      break;
     default:
       break;
     }
 
   /* convert to whatprovides id */
 #if 0
-  if (pool->verbose)
-    printf("addrelproviders: what provides %s?\n", id2str(pool, name));
+  POOL_DEBUG(SAT_DEBUG_STATS, "addrelproviders: what provides %s?\n", dep2str(pool, name));
 #endif
   if (flags && flags < 8)
     {
-      FOR_PROVIDES(p, pp, name)
+      pp = pool_whatprovides(pool, name);
+      while (ISRELDEP(name))
+       {
+          rd = GETRELDEP(pool, name);
+         name = rd->name;
+       }
+      while ((p = *pp++) != 0)
        {
+         Solvable *s = pool->solvables + p;
 #if 0
-         if (pool->verbose)
-           printf("addrelproviders: checking package %s\n", id2str(pool, pool->p[p].name));
+         POOL_DEBUG(DEBUG_1, "addrelproviders: checking package %s\n", id2str(pool, s->name));
 #endif
+         if (!s->provides)
+           {
+             /* no provides - check nevr */
+             if (pool_match_nevr_rel(pool, s, MAKERELDEP(d)))
+               queue_push(&plist, p);
+             continue;
+           }
          /* solvable p provides name in some rels */
-         pidp = pool->solvables[p].repo->idarraydata + pool->solvables[p].provides;
+         pidp = s->repo->idarraydata + s->provides;
          while ((pid = *pidp++) != 0)
            {
              int pflags;
              Id pevr;
 
              if (pid == name)
-               break;          /* yes, provides all versions */
+               {
+#ifdef DEBIAN_SEMANTICS
+                 continue;             /* unversioned provides can
+                                        * never match versioned deps */
+#else
+                 break;                /* yes, provides all versions */
+#endif
+               }
              if (!ISRELDEP(pid))
                continue;               /* wrong provides name */
              prd = GETRELDEP(pool, pid);
@@ -512,7 +611,7 @@ pool_addrelproviders(Pool *pool, Id d)
              else
                {
                  int f = flags == 5 ? 5 : flags == 2 ? pflags : (flags ^ 5) & (pflags | 5);
-                 if ((f & (1 << (1 + evrcmp(pool, pevr, evr)))) != 0)
+                 if ((f & (1 << (1 + evrcmp(pool, pevr, evr, EVRCMP_MATCH_RELEASE)))) != 0)
                    break;
                }
            }
@@ -526,12 +625,878 @@ pool_addrelproviders(Pool *pool, Id d)
     }
   /* add providers to whatprovides */
 #if 0
-  if (pool->verbose) printf("addrelproviders: adding %d packages to %d\n", plist.count, d);
+  POOL_DEBUG(SAT_DEBUG_STATS, "addrelproviders: adding %d packages to %d\n", plist.count, d);
 #endif
-  pool->whatprovides[d] = pool_queuetowhatprovides(pool, &plist);
+  pool->whatprovides_rel[d] = pool_queuetowhatprovides(pool, &plist);
   queue_free(&plist);
 
-  return pool->whatprovidesdata + pool->whatprovides[d];
+  return pool->whatprovidesdata + pool->whatprovides_rel[d];
+}
+
+/*************************************************************************/
+
+void
+pool_debug(Pool *pool, int type, const char *format, ...)
+{
+  va_list args;
+  char buf[1024];
+
+  if ((type & (SAT_FATAL|SAT_ERROR)) == 0)
+    {
+      if ((pool->debugmask & type) == 0)
+       return;
+    }
+  va_start(args, format);
+  if (!pool->debugcallback)
+    {
+      if ((type & (SAT_FATAL|SAT_ERROR)) == 0)
+        vprintf(format, args);
+      else
+        vfprintf(stderr, format, args);
+      return;
+    }
+  vsnprintf(buf, sizeof(buf), format, args);
+  pool->debugcallback(pool, pool->debugcallbackdata, type, buf);
+}
+
+void
+pool_setdebuglevel(Pool *pool, int level)
+{
+  int mask = SAT_DEBUG_RESULT;
+  if (level > 0)
+    mask |= SAT_DEBUG_STATS|SAT_DEBUG_ANALYZE|SAT_DEBUG_UNSOLVABLE;
+  if (level > 1)
+    mask |= SAT_DEBUG_JOB|SAT_DEBUG_SOLUTIONS|SAT_DEBUG_POLICY;
+  if (level > 2)
+    mask |= SAT_DEBUG_PROPAGATE;
+  if (level > 3)
+    mask |= SAT_DEBUG_RULE_CREATION;
+  if (level > 4)
+    mask |= SAT_DEBUG_SCHUBI;
+  pool->debugmask = mask;
+}
+
+/*************************************************************************/
+
+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
+           {
+             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 = id2str(pool, dep);
+      if (*s != '/')
+       continue;
+      csf->ids = sat_extend(csf->ids, csf->nfiles, 1, sizeof(Id), SEARCHFILES_BLOCK);
+      csf->dirs = sat_extend(csf->dirs, csf->nfiles, 1, sizeof(const char *), SEARCHFILES_BLOCK);
+      csf->names = sat_extend(csf->names, csf->nfiles, 1, sizeof(const char *), SEARCHFILES_BLOCK);
+      csf->ids[csf->nfiles] = dep;
+      sr = strrchr(s, '/');
+      csf->names[csf->nfiles] = strdup(sr + 1);
+      csf->dirs[csf->nfiles] = sat_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;
+
+  Repodata *olddata;
+  Id *dids;
+  Map useddirs;
+};
+
+static int
+addfileprovides_cb(void *cbdata, Solvable *s, Repodata *data, Repokey *key, KeyValue *value)
+{
+  struct addfileprovides_cbdata *cbd = cbdata;
+  int i;
+
+  if (data != cbd->olddata)
+    {
+      map_free(&cbd->useddirs);
+      map_init(&cbd->useddirs, data->dirpool.ndirs);
+      for (i = 0; i < cbd->nfiles; i++)
+       {
+         Id did = repodata_str2dir(data, cbd->dirs[i], 0);
+          cbd->dids[i] = did;
+         if (did)
+           MAPSET(&cbd->useddirs, did);
+       }
+      cbd->olddata = data;
+    }
+  if (!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, start, end, *idp;
+  Solvable *s;
+  Repodata *data = 0, *nextdata;
+  Repo *oldrepo = 0;
+  int dataincludes = 0;
+  int i;
+  Map providedids;
+
+  cbd->nfiles = sf->nfiles;
+  cbd->ids = sf->ids;
+  cbd->dirs = sf->dirs;
+  cbd->names = sf->names;
+  cbd->olddata = 0;
+  cbd->dids = sat_realloc2(cbd->dids, sf->nfiles, sizeof(Id));
+  if (repoonly)
+    {
+      start = repoonly->start;
+      end = repoonly->end;
+    }
+  else
+    {
+      start = 2;       /* skip system solvable */
+      end = pool->nsolvables;
+    }
+  for (p = start, s = pool->solvables + p; p < end; p++, s++)
+    {
+      if (!s->repo || (repoonly && s->repo != repoonly))
+       continue;
+      if (s->repo != oldrepo || (data && p >= data->end))
+       {
+         data = 0;
+         oldrepo = 0;
+       }
+      if (oldrepo == 0)
+       {
+         nextdata = 0;
+         for (i = 0, data = s->repo->repodata; i < s->repo->nrepodata; i++, data++)
+           {
+             if (!data->addedfileprovides || p >= data->end)
+               continue;
+             if (!nextdata || nextdata->start > data->start)
+               nextdata = data;
+             if (p >= data->start)
+               break;
+           }
+         if (i == s->repo->nrepodata)
+           data = nextdata;
+         if (data)
+           {
+             map_init(&providedids, pool->ss.nstrings);
+             for (idp = data->addedfileprovides; *idp; idp++)
+               MAPSET(&providedids, *idp);
+             for (i = 0; i < cbd->nfiles; i++)
+               if (!MAPTST(&providedids, cbd->ids[i]))
+                 {
+                   break;
+                 }
+             map_free(&providedids);
+             dataincludes = i == cbd->nfiles;
+           }
+         oldrepo = s->repo;
+       }
+      if (data && p >= data->start && dataincludes)
+       continue;
+      repo_search(s->repo, p, SOLVABLE_FILELIST, 0, 0, addfileprovides_cb, cbd);
+    }
+}
+
+void
+pool_addfileprovides_ids(Pool *pool, Repo *installed, Id **idp)
+{
+  Solvable *s;
+  Repo *repo;
+  struct searchfiles sf, isf, *isfp;
+  struct addfileprovides_cbdata cbd;
+  int i;
+
+  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);
+
+  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(SAT_DEBUG_STATS, "found %d file dependencies\n", sf.nfiles);
+  POOL_DEBUG(SAT_DEBUG_STATS, "found %d installed file dependencies\n", isf.nfiles);
+  cbd.dids = 0;
+  map_init(&cbd.useddirs, 1);
+  if (idp)
+    *idp = 0;
+  if (sf.nfiles)
+    {
+#if 0
+      for (i = 0; i < sf.nfiles; i++)
+       POOL_DEBUG(SAT_DEBUG_STATS, "looking up %s in filelist\n", id2str(pool, sf.ids[i]));
+#endif
+      pool_addfileprovides_search(pool, &cbd, &sf, 0);
+      if (idp)
+       {
+         sf.ids = sat_extend(sf.ids, sf.nfiles, 1, sizeof(Id), SEARCHFILES_BLOCK);
+         sf.ids[sf.nfiles] = 0;
+         *idp = sf.ids;
+         sf.ids = 0;
+       }
+      sat_free(sf.ids);
+      for (i = 0; i < sf.nfiles; i++)
+       {
+         sat_free(sf.dirs[i]);
+         sat_free(sf.names[i]);
+       }
+      sat_free(sf.dirs);
+      sat_free(sf.names);
+    }
+  if (isf.nfiles)
+    {
+#if 0
+      for (i = 0; i < isf.nfiles; i++)
+       POOL_DEBUG(SAT_DEBUG_STATS, "looking up %s in installed filelist\n", id2str(pool, isf.ids[i]));
+#endif
+      if (installed)
+        pool_addfileprovides_search(pool, &cbd, &isf, installed);
+      sat_free(isf.ids);
+      for (i = 0; i < isf.nfiles; i++)
+       {
+         sat_free(isf.dirs[i]);
+         sat_free(isf.names[i]);
+       }
+      sat_free(isf.dirs);
+      sat_free(isf.names);
+    }
+  map_free(&cbd.useddirs);
+  sat_free(cbd.dids);
+  pool_freewhatprovides(pool); /* as we have added provides */
+}
+
+void
+pool_addfileprovides(Pool *pool, Repo *installed)
+{
+  pool_addfileprovides_ids(pool, installed, 0);
+}
+
+void
+pool_search(Pool *pool, Id p, Id key, const char *match, int flags, int (*callback)(void *cbdata, Solvable *s, struct _Repodata *data, struct _Repokey *key, struct _KeyValue *kv), void *cbdata)
+{
+  if (p)
+    {
+      if (pool->solvables[p].repo)
+        repo_search(pool->solvables[p].repo, p, key, match, flags, callback, cbdata);
+      return;
+    }
+  /* FIXME: obey callback return value! */
+  for (p = 1; p < pool->nsolvables; p++)
+    if (pool->solvables[p].repo)
+      repo_search(pool->solvables[p].repo, p, key, match, flags, callback, cbdata);
+}
+
+
+void
+pool_set_languages(Pool *pool, const char **languages, int nlanguages)
+{
+  int i;
+
+  pool->languagecache = sat_free(pool->languagecache);
+  pool->languagecacheother = 0;
+  if (pool->nlanguages)
+    {
+      for (i = 0; i < pool->nlanguages; i++)
+       free((char *)pool->languages[i]);
+      free(pool->languages);
+    }
+  pool->nlanguages = nlanguages;
+  if (!nlanguages)
+    return;
+  pool->languages = sat_calloc(nlanguages, sizeof(const char **));
+  for (i = 0; i < pool->nlanguages; i++)
+    pool->languages[i] = strdup(languages[i]);
+}
+
+Id
+pool_id2langid(Pool *pool, Id id, const char *lang, int create)
+{
+  const char *n;
+  char buf[256], *p;
+  int l;
+
+  if (!lang)
+    return id;
+  n = id2str(pool, id);
+  l = strlen(n) + strlen(lang) + 2;
+  if (l > sizeof(buf))
+    p = sat_malloc(strlen(n) + strlen(lang) + 2);
+  else
+    p = buf;
+  sprintf(p, "%s:%s", n, lang);
+  id = str2id(pool, p, create);
+  if (p != buf)
+    free(p);
+  return id;
+}
+
+char *
+pool_alloctmpspace(Pool *pool, int len)
+{
+  int n = pool->tmpspacen;
+  if (!len)
+    return 0;
+  if (len > pool->tmpspacelen[n])
+    {
+      pool->tmpspacebuf[n] = sat_realloc(pool->tmpspacebuf[n], len + 32);
+      pool->tmpspacelen[n] = len + 32;
+    }
+  pool->tmpspacen = (n + 1) % POOL_TMPSPACEBUF;
+  return pool->tmpspacebuf[n];
+}
+
+/*******************************************************************/
+
+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 = sat_free(cbd->dirmap);
+      cbd->nmap = 0;
+      dirmap = sat_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 = 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, Repo *oldinstalled, 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;
+
+  memset(&ignoredu, 0, sizeof(ignoredu));
+  cbd.mps = mps;
+  cbd.addsub = 0;
+  cbd.dirmap = 0;
+  cbd.nmap = 0;
+  cbd.olddata = 0;
+
+  mptree = sat_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 = sat_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);
+  sat_free(cbd.dirmap);
+  sat_free(mptree);
+}
+
+int
+pool_calc_installsizechange(Pool *pool, Repo *oldinstalled, Map *installedmap)
+{
+  Id sp;
+  Solvable *s;
+  int change = 0;
+
+  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 += repo_lookup_num(s, SOLVABLE_INSTALLSIZE);
+    }
+  if (oldinstalled)
+    {
+      FOR_REPO_SOLVABLES(oldinstalled, sp, s)
+       {
+         if (MAPTST(installedmap, sp))
+           continue;
+         change -= repo_lookup_num(s, SOLVABLE_INSTALLSIZE);
+       }
+    }
+  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);
+      dep = rd->name;
+    }
+  return dep;
+}
+
+static inline int providedbyinstalled(Pool *pool, unsigned char *map, Id dep)
+{
+  Id p, *pp;
+  int r = 0;
+  FOR_PROVIDES(p, pp, dep)
+    {
+      if (p == SYSTEMSOLVABLE)
+        return 1;      /* always boring, as never constraining */
+      if ((map[p] & 9) == 9)
+       return 9;
+      r |= map[p] & 17;
+    }
+  return r;
+}
+
+/*
+ * pool_trivial_installable - calculate if a set of solvables is
+ * trivial installable without any other installs/deinstalls of
+ * packages not belonging to the set.
+ *
+ * the state is returned in the result queue:
+ * 1:  solvable is installable without any other package changes
+ * 0:  solvable is not installable
+ * -1: solvable is installable, but doesn't constrain any installed packages
+ */
+
+void
+pool_trivial_installable(Pool *pool, Repo *oldinstalled, Map *installedmap, Queue *pkgs, Queue *res)
+{
+  int i, r, m, did;
+  Id p, *dp, con, *conp, req, *reqp;
+  unsigned char *map;
+  Solvable *s;
+
+  map = sat_calloc(pool->nsolvables, 1);
+  for (p = 1; p < pool->nsolvables; p++)
+    {
+      if (!MAPTST(installedmap, p))
+       continue;
+      map[p] |= 9;
+      s = pool->solvables + p;
+      if (!s->conflicts)
+       continue;
+      conp = s->repo->idarraydata + s->conflicts;
+      while ((con = *conp++) != 0)
+       {
+         dp = pool_whatprovides(pool, con);
+         for (; *dp; dp++)
+           map[p] |= 2;        /* XXX: self conflict ? */
+       }
+    }
+  for (i = 0; i < pkgs->count; i++)
+    map[pkgs->elements[i]] = 16;
+
+  for (i = 0, did = 0; did < pkgs->count; i++, did++)
+    {
+      if (i == pkgs->count)
+       i = 0;
+      p = pkgs->elements[i];
+      if ((map[p] & 16) == 0)
+       continue;
+      if ((map[p] & 2) != 0)
+       {
+         map[p] = 2;
+         continue;
+       }
+      s = pool->solvables + p;
+      m = 1;
+      if (s->requires)
+       {
+         reqp = s->repo->idarraydata + s->requires;
+         while ((req = *reqp++) != 0)
+           {
+             if (req == SOLVABLE_PREREQMARKER)
+               continue;
+             r = providedbyinstalled(pool, map, req);
+             if (!r)
+               {
+                 /* decided and miss */
+                 map[p] = 2;
+                 break;
+               }
+             m |= r;   /* 1 | 9 | 16 | 17 */
+           }
+         if (req)
+           continue;
+         if ((m & 9) == 9)
+           m = 9;
+       }
+      if (s->conflicts)
+       {
+         conp = s->repo->idarraydata + s->conflicts;
+         while ((con = *conp++) != 0)
+           {
+             if ((providedbyinstalled(pool, map, con) & 1) != 0)
+               {
+                 map[p] = 2;
+                 break;
+               }
+             if ((m == 1 || m == 17) && ISRELDEP(con))
+               {
+                 con = dep2name(pool, con);
+                 if ((providedbyinstalled(pool, map, con) & 1) != 0)
+                   m = 9;
+               }
+           }
+         if (con)
+           continue;   /* found a conflict */
+       }
+#if 0
+      if (s->repo && s->repo != oldinstalled)
+       {
+         Id p2, obs, *obsp, *pp;
+         Solvable *s2;
+         if (s->obsoletes)
+           {
+             obsp = s->repo->idarraydata + s->obsoletes;
+             while ((obs = *obsp++) != 0)
+               {
+                 if ((providedbyinstalled(pool, map, obs) & 1) != 0)
+                   {
+                     map[p] = 2;
+                     break;
+                   }
+               }
+             if (obs)
+               continue;
+           }
+         FOR_PROVIDES(p2, pp, s->name)
+           {
+             s2 = pool->solvables + p2;
+             if (s2->name == s->name && (map[p2] & 1) != 0)
+               {
+                 map[p] = 2;
+                 break;
+               }
+           }
+         if (p2)
+           continue;
+       }
+#endif
+      if (m != map[p])
+       {
+          map[p] = m;
+         did = 0;
+       }
+    }
+  queue_free(res);
+  queue_clone(res, pkgs);
+  for (i = 0; i < pkgs->count; i++)
+    {
+      m = map[pkgs->elements[i]];
+      if ((m & 9) == 9)
+       r = 1;
+      else if (m & 1)
+       r = -1;
+      else
+       r = 0;
+      res->elements[i] = r;
+    }
+  free(map);
 }
 
 // EOF