src/solverdebug.c

   1 /*
   2  * Copyright (c) 2008, Novell Inc.
   3  *
   4  * This program is licensed under the BSD license, read LICENSE.BSD
   5  * for further information
   6  */
   7
   8 /*
   9  * solverdebug.c
  10  *
  11  * debug functions for the SAT solver
  12  */
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <unistd.h>
  17 #include <string.h>
  18 #include <assert.h>
  19
  20 #include "solver.h"
  21 #include "solverdebug.h"
  22 #include "bitmap.h"
  23 #include "pool.h"
  24 #include "util.h"
  25 #include "evr.h"
  26 #include "policy.h"
  27
  28
  29 /*
  30  * create obsoletesmap from solver decisions
  31  *
  32  * for solvables in installed repo:
  33  *   0 - not obsoleted
  34  *   p - one of the packages that obsolete us
  35  * for all others:
  36  *   n - number of packages this package obsoletes
  37  *
  38  */
  39
  40 Id *
  41 solver_create_decisions_obsoletesmap(Solver *solv)
  42 {
  43   Pool *pool = solv->pool;
  44   Repo *installed = solv->installed;
  45   Id p, *obsoletesmap = NULL;
  46   int i;
  47   Solvable *s;
  48
  49   obsoletesmap = (Id *)sat_calloc(pool->nsolvables, sizeof(Id));
  50   if (installed)
  51     {
  52       for (i = 0; i < solv->decisionq.count; i++)
  53         {
  54           Id *pp, n;
  55           int noobs;
  56
  57           n = solv->decisionq.elements[i];
  58           if (n < 0)
  59             continue;
  60           if (n == SYSTEMSOLVABLE)
  61             continue;
  62           s = pool->solvables + n;
  63           if (s->repo == installed)             /* obsoletes don't count for already installed packages */
  64             continue;
  65           noobs = solv->noobsoletes.size && MAPTST(&solv->noobsoletes, n);
  66           FOR_PROVIDES(p, pp, s->name)
  67             {
  68               Solvable *ps = pool->solvables + p;
  69               if (noobs && (s->name != ps->name || s->evr != ps->evr || s->arch != ps->arch))
  70                 continue;
  71               if (!solv->implicitobsoleteusesprovides && s->name != ps->name)
  72                 continue;
  73               if (pool->solvables[p].repo == installed && !obsoletesmap[p])
  74                 {
  75                   obsoletesmap[p] = n;
  76                   obsoletesmap[n]++;
  77                 }
  78             }
  79         }
  80       for (i = 0; i < solv->decisionq.count; i++)
  81         {
  82           Id obs, *obsp;
  83           Id *pp, n;
  84
  85           n = solv->decisionq.elements[i];
  86           if (n < 0)
  87             continue;
  88           if (n == SYSTEMSOLVABLE)
  89             continue;
  90           s = pool->solvables + n;
  91           if (s->repo == installed)             /* obsoletes don't count for already installed packages */
  92             continue;
  93           if (!s->obsoletes)
  94             continue;
  95           if (solv->noobsoletes.size && MAPTST(&solv->noobsoletes, n))
  96             continue;
  97           obsp = s->repo->idarraydata + s->obsoletes;
  98           while ((obs = *obsp++) != 0)
  99             {
 100               FOR_PROVIDES(p, pp, obs)
 101                 {
 102                   if (!solv->obsoleteusesprovides && !pool_match_nevr(pool, pool->solvables + p, obs))
 103                     continue;
 104                   if (pool->solvables[p].repo == installed && !obsoletesmap[p])
 105                     {
 106                       obsoletesmap[p] = n;
 107                       obsoletesmap[n]++;
 108                     }
 109                 }
 110             }
 111         }
 112     }
 113   return obsoletesmap;
 114 }
 115
 116 void
 117 solver_printruleelement(Solver *solv, int type, Rule *r, Id v)
 118 {
 119   Pool *pool = solv->pool;
 120   Solvable *s;
 121   if (v < 0)
 122     {
 123       s = pool->solvables + -v;
 124       POOL_DEBUG(type, "    !%s [%d]", solvable2str(pool, s), -v);
 125     }
 126   else
 127     {
 128       s = pool->solvables + v;
 129       POOL_DEBUG(type, "    %s [%d]", solvable2str(pool, s), v);
 130     }
 131   if (r)
 132     {
 133       if (r->w1 == v)
 134         POOL_DEBUG(type, " (w1)");
 135       if (r->w2 == v)
 136         POOL_DEBUG(type, " (w2)");
 137     }
 138   if (solv->decisionmap[s - pool->solvables] > 0)
 139     POOL_DEBUG(type, " Install.level%d", solv->decisionmap[s - pool->solvables]);
 140   if (solv->decisionmap[s - pool->solvables] < 0)
 141     POOL_DEBUG(type, " Conflict.level%d", -solv->decisionmap[s - pool->solvables]);
 142   POOL_DEBUG(type, "\n");
 143 }
 144
 145
 146 /*
 147  * print rule
 148  */
 149
 150 void
 151 solver_printrule(Solver *solv, int type, Rule *r)
 152 {
 153   Pool *pool = solv->pool;
 154   int i;
 155   Id d, v;
 156
 157   if (r >= solv->rules && r < solv->rules + solv->nrules)   /* r is a solver rule */
 158     POOL_DEBUG(type, "Rule #%d:", (int)(r - solv->rules));
 159   else
 160     POOL_DEBUG(type, "Rule:");                 /* r is any rule */
 161   if (r && r->d < 0)
 162     POOL_DEBUG(type, " (disabled)");
 163   POOL_DEBUG(type, "\n");
 164   d = r->d < 0 ? -r->d - 1 : r->d;
 165   for (i = 0; ; i++)
 166     {
 167       if (i == 0)
 168           /* print direct literal */
 169         v = r->p;
 170       else if (!d)
 171         {
 172           if (i == 2)
 173             break;
 174           /* binary rule --> print w2 as second literal */
 175           v = r->w2;
 176         }
 177       else
 178           /* every other which is in d */
 179         v = solv->pool->whatprovidesdata[d + i - 1];
 180       if (v == ID_NULL)
 181         break;
 182       solver_printruleelement(solv, type, r, v);
 183     }
 184   POOL_DEBUG(type, "    next rules: %d %d\n", r->n1, r->n2);
 185 }
 186
 187 void
 188 solver_printruleclass(Solver *solv, int type, Rule *r)
 189 {
 190   Pool *pool = solv->pool;
 191   Id p = r - solv->rules;
 192   assert(p >= 0);
 193   if (p < solv->learntrules)
 194     if (MAPTST(&solv->weakrulemap, p))
 195       POOL_DEBUG(type, "WEAK ");
 196   if (p >= solv->learntrules)
 197     POOL_DEBUG(type, "LEARNT ");
 198   else if (p >= solv->jobrules && p < solv->jobrules_end)
 199     POOL_DEBUG(type, "JOB ");
 200   else if (p >= solv->updaterules && p < solv->updaterules_end)
 201     POOL_DEBUG(type, "UPDATE ");
 202   else if (p >= solv->featurerules && p < solv->featurerules_end)
 203     POOL_DEBUG(type, "FEATURE ");
 204   solver_printrule(solv, type, r);
 205 }
 206
 207 void
 208 solver_printproblem(Solver *solv, Id v)
 209 {
 210   Pool *pool = solv->pool;
 211   int i;
 212   Rule *r;
 213   Id *jp;
 214
 215   if (v > 0)
 216     solver_printruleclass(solv, SAT_DEBUG_SOLUTIONS, solv->rules + v);
 217   else
 218     {
 219       v = -(v + 1);
 220       POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "JOB %d\n", v);
 221       jp = solv->ruletojob.elements;
 222       for (i = solv->jobrules, r = solv->rules + i; i < solv->learntrules; i++, r++, jp++)
 223         if (*jp == v)
 224           {
 225             POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "- ");
 226             solver_printrule(solv, SAT_DEBUG_SOLUTIONS, r);
 227           }
 228       POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "ENDJOB\n");
 229     }
 230 }
 231
 232 void
 233 solver_printwatches(Solver *solv, int type)
 234 {
 235   Pool *pool = solv->pool;
 236   int counter;
 237
 238   POOL_DEBUG(type, "Watches: \n");
 239   for (counter = -(pool->nsolvables - 1); counter < pool->nsolvables; counter++)
 240     POOL_DEBUG(type, "    solvable [%d] -- rule [%d]\n", counter, solv->watches[counter + pool->nsolvables]);
 241 }
 242
 243 /*
 244  * printdecisions
 245  */
 246
 247 void
 248 solver_printdecisions(Solver *solv)
 249 {
 250   Pool *pool = solv->pool;
 251   Repo *installed = solv->installed;
 252   Id p, *obsoletesmap = solver_create_decisions_obsoletesmap(solv);
 253   int i;
 254   Solvable *s;
 255
 256   IF_POOLDEBUG (SAT_DEBUG_SCHUBI)
 257     {
 258       POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- Decisions -----\n");
 259       for (i = 0; i < solv->decisionq.count; i++)
 260         {
 261           p = solv->decisionq.elements[i];
 262           solver_printruleelement(solv, SAT_DEBUG_SCHUBI, 0, p);
 263         }
 264       POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- Decisions end -----\n");
 265     }
 266
 267   POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 268   POOL_DEBUG(SAT_DEBUG_RESULT, "transaction:\n");
 269
 270   /* print solvables to be erased */
 271
 272   if (installed)
 273     {
 274       FOR_REPO_SOLVABLES(installed, p, s)
 275         {
 276           if (solv->decisionmap[p] >= 0)
 277             continue;
 278           if (obsoletesmap[p])
 279             continue;
 280           POOL_DEBUG(SAT_DEBUG_RESULT, "  erase   %s\n", solvable2str(pool, s));
 281         }
 282     }
 283
 284   /* print solvables to be installed */
 285
 286   for (i = 0; i < solv->decisionq.count; i++)
 287     {
 288       int j;
 289       p = solv->decisionq.elements[i];
 290       if (p < 0)
 291         continue;
 292       if (p == SYSTEMSOLVABLE)
 293         continue;
 294       s = pool->solvables + p;
 295       if (installed && s->repo == installed)
 296         continue;
 297
 298       if (!obsoletesmap[p])
 299         {
 300           POOL_DEBUG(SAT_DEBUG_RESULT, "  install   %s", solvable2str(pool, s));
 301         }
 302       else
 303         {
 304           Id xp, *xpp;
 305           FOR_PROVIDES(xp, xpp, s->name)
 306             {
 307               Solvable *s2 = pool->solvables + xp;
 308               if (s2->name != s->name)
 309                 continue;
 310               if (evrcmp(pool, s->evr, s2->evr, EVRCMP_MATCH_RELEASE) < 0)
 311                 break;
 312             }
 313           if (xp)
 314             POOL_DEBUG(SAT_DEBUG_RESULT, "  downgrade %s", solvable2str(pool, s));
 315           else
 316             POOL_DEBUG(SAT_DEBUG_RESULT, "  upgrade   %s", solvable2str(pool, s));
 317           POOL_DEBUG(SAT_DEBUG_RESULT, "  (obsoletes");
 318           for (j = installed->start; j < installed->end; j++)
 319             if (obsoletesmap[j] == p)
 320               POOL_DEBUG(SAT_DEBUG_RESULT, " %s", solvable2str(pool, pool->solvables + j));
 321           POOL_DEBUG(SAT_DEBUG_RESULT, ")");
 322         }
 323       POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 324     }
 325   POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 326
 327   sat_free(obsoletesmap);
 328
 329   if (solv->recommendations.count)
 330     {
 331       POOL_DEBUG(SAT_DEBUG_RESULT, "recommended packages:\n");
 332       for (i = 0; i < solv->recommendations.count; i++)
 333         {
 334           s = pool->solvables + solv->recommendations.elements[i];
 335           if (solv->decisionmap[solv->recommendations.elements[i]] > 0)
 336             {
 337               if (installed && s->repo == installed)
 338                 POOL_DEBUG(SAT_DEBUG_RESULT, "  %s (installed)\n", solvable2str(pool, s));
 339               else
 340                 POOL_DEBUG(SAT_DEBUG_RESULT, "  %s (selected)\n", solvable2str(pool, s));
 341             }
 342           else
 343             POOL_DEBUG(SAT_DEBUG_RESULT, "  %s\n", solvable2str(pool, s));
 344         }
 345       POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 346     }
 347
 348   if (solv->suggestions.count)
 349     {
 350       POOL_DEBUG(SAT_DEBUG_RESULT, "suggested packages:\n");
 351       for (i = 0; i < solv->suggestions.count; i++)
 352         {
 353           s = pool->solvables + solv->suggestions.elements[i];
 354           if (solv->decisionmap[solv->suggestions.elements[i]] > 0)
 355             {
 356               if (installed && s->repo == installed)
 357                 POOL_DEBUG(SAT_DEBUG_RESULT, "  %s (installed)\n", solvable2str(pool, s));
 358               else
 359                 POOL_DEBUG(SAT_DEBUG_RESULT, "  %s (selected)\n", solvable2str(pool, s));
 360             }
 361           else
 362             POOL_DEBUG(SAT_DEBUG_RESULT, "  %s\n", solvable2str(pool, s));
 363         }
 364       POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 365     }
 366   if (solv->orphaned.count)
 367     {
 368       POOL_DEBUG(SAT_DEBUG_RESULT, "orphaned packages:\n");
 369       for (i = 0; i < solv->orphaned.count; i++)
 370         {
 371           s = pool->solvables + solv->orphaned.elements[i];
 372           if (solv->decisionmap[solv->orphaned.elements[i]] > 0)
 373             POOL_DEBUG(SAT_DEBUG_RESULT, "  %s (kept)\n", solvable2str(pool, s));
 374           else
 375             POOL_DEBUG(SAT_DEBUG_RESULT, "  %s (erased)\n", solvable2str(pool, s));
 376         }
 377       POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 378     }
 379 }
 380
 381 void
 382 solver_printprobleminfo(Solver *solv, Queue *job, Id problem)
 383 {
 384   Pool *pool = solv->pool;
 385   Id probr;
 386   Id dep, source, target;
 387   Solvable *s, *s2;
 388
 389   probr = solver_findproblemrule(solv, problem);
 390   switch (solver_problemruleinfo(solv, job, probr, &dep, &source, &target))
 391     {
 392     case SOLVER_PROBLEM_UPDATE_RULE:
 393       s = pool_id2solvable(pool, source);
 394       POOL_DEBUG(SAT_DEBUG_RESULT, "problem with installed package %s\n", solvable2str(pool, s));
 395       return;
 396     case SOLVER_PROBLEM_JOB_RULE:
 397       POOL_DEBUG(SAT_DEBUG_RESULT, "conflicting requests\n");
 398       return;
 399     case SOLVER_PROBLEM_RPM_RULE:
 400       POOL_DEBUG(SAT_DEBUG_RESULT, "some dependency problem\n");
 401       return;
 402     case SOLVER_PROBLEM_JOB_NOTHING_PROVIDES_DEP:
 403       POOL_DEBUG(SAT_DEBUG_RESULT, "nothing provides requested %s\n", dep2str(pool, dep));
 404       return;
 405     case SOLVER_PROBLEM_NOT_INSTALLABLE:
 406       s = pool_id2solvable(pool, source);
 407       POOL_DEBUG(SAT_DEBUG_RESULT, "package %s is not installable\n", solvable2str(pool, s));
 408       return;
 409     case SOLVER_PROBLEM_NOTHING_PROVIDES_DEP:
 410       s = pool_id2solvable(pool, source);
 411       POOL_DEBUG(SAT_DEBUG_RESULT, "nothing provides %s needed by %s\n", dep2str(pool, dep), solvable2str(pool, s));
 412       return;
 413     case SOLVER_PROBLEM_SAME_NAME:
 414       s = pool_id2solvable(pool, source);
 415       s2 = pool_id2solvable(pool, target);
 416       POOL_DEBUG(SAT_DEBUG_RESULT, "cannot install both %s and %s\n", solvable2str(pool, s), solvable2str(pool, s2));
 417       return;
 418     case SOLVER_PROBLEM_PACKAGE_CONFLICT:
 419       s = pool_id2solvable(pool, source);
 420       s2 = pool_id2solvable(pool, target);
 421       POOL_DEBUG(SAT_DEBUG_RESULT, "package %s conflicts with %s provided by %s\n", solvable2str(pool, s), dep2str(pool, dep), solvable2str(pool, s2));
 422       return;
 423     case SOLVER_PROBLEM_PACKAGE_OBSOLETES:
 424       s = pool_id2solvable(pool, source);
 425       s2 = pool_id2solvable(pool, target);
 426       POOL_DEBUG(SAT_DEBUG_RESULT, "package %s obsoletes %s provided by %s\n", solvable2str(pool, s), dep2str(pool, dep), solvable2str(pool, s2));
 427       return;
 428     case SOLVER_PROBLEM_DEP_PROVIDERS_NOT_INSTALLABLE:
 429       s = pool_id2solvable(pool, source);
 430       POOL_DEBUG(SAT_DEBUG_RESULT, "package %s requires %s, but none of the providers can be installed\n", solvable2str(pool, s), dep2str(pool, dep));
 431       return;
 432     case SOLVER_PROBLEM_SELF_CONFLICT:
 433       s = pool_id2solvable(pool, source);
 434       POOL_DEBUG(SAT_DEBUG_RESULT, "package %s conflicts with %s provided by itself\n", solvable2str(pool, s), dep2str(pool, dep));
 435       return;
 436     }
 437 }
 438
 439 void
 440 solver_printsolutions(Solver *solv, Queue *job)
 441 {
 442   Pool *pool = solv->pool;
 443   int pcnt;
 444   Id p, rp, how, what, select;
 445   Id problem, solution, element;
 446   Solvable *s, *sd;
 447
 448   POOL_DEBUG(SAT_DEBUG_RESULT, "Encountered problems! Here are the solutions:\n\n");
 449   pcnt = 1;
 450   problem = 0;
 451   while ((problem = solver_next_problem(solv, problem)) != 0)
 452     {
 453       POOL_DEBUG(SAT_DEBUG_RESULT, "Problem %d:\n", pcnt++);
 454       POOL_DEBUG(SAT_DEBUG_RESULT, "====================================\n");
 455       solver_printprobleminfo(solv, job, problem);
 456       POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 457       solution = 0;
 458       while ((solution = solver_next_solution(solv, problem, solution)) != 0)
 459         {
 460           element = 0;
 461           while ((element = solver_next_solutionelement(solv, problem, solution, element, &p, &rp)) != 0)
 462             {
 463               if (p == 0)
 464                 {
 465                   /* job, rp is index into job queue */
 466                   how = job->elements[rp - 1] & ~SOLVER_WEAK;
 467                   what = job->elements[rp];
 468                   select = how & SOLVER_SELECTMASK;
 469                   switch (how & SOLVER_JOBMASK)
 470                     {
 471                     case SOLVER_INSTALL:
 472                       if (select == SOLVER_SOLVABLE && solv->installed && pool->solvables[what].repo == solv->installed)
 473                         POOL_DEBUG(SAT_DEBUG_RESULT, "- do not keep %s installed\n", solvable2str(pool, pool->solvables + what));
 474                       else if (select == SOLVER_SOLVABLE_PROVIDES)
 475                         POOL_DEBUG(SAT_DEBUG_RESULT, "- do not install a solvable %s\n", solver_select2str(solv, select, what));
 476                       else
 477                         POOL_DEBUG(SAT_DEBUG_RESULT, "- do not install %s\n", solver_select2str(solv, select, what));
 478                       break;
 479                     case SOLVER_ERASE:
 480                       if (select == SOLVER_SOLVABLE && !(solv->installed && pool->solvables[what].repo == solv->installed))
 481                         POOL_DEBUG(SAT_DEBUG_RESULT, "- do not forbid installation of %s\n", solvable2str(pool, pool->solvables + what));
 482                       else if (select == SOLVER_SOLVABLE_PROVIDES)
 483                         POOL_DEBUG(SAT_DEBUG_RESULT, "- do not deinstall all solvables %s\n", solver_select2str(solv, select, what));
 484                       else
 485                         POOL_DEBUG(SAT_DEBUG_RESULT, "- do not deinstall %s\n", solver_select2str(solv, select, what));
 486                       break;
 487                     case SOLVER_UPDATE:
 488                       POOL_DEBUG(SAT_DEBUG_RESULT, "- do not install most recent version of %s\n", solver_select2str(solv, select, what));
 489                       break;
 490                     case SOLVER_LOCK:
 491                       POOL_DEBUG(SAT_DEBUG_RESULT, "- do not lock %s\n", solver_select2str(solv, select, what));
 492                       break;
 493                     default:
 494                       POOL_DEBUG(SAT_DEBUG_RESULT, "- do something different\n");
 495                       break;
 496                     }
 497                 }
 498               else
 499                 {
 500                   /* policy, replace p with rp */
 501                   s = pool->solvables + p;
 502                   sd = rp ? pool->solvables + rp : 0;
 503                   if (s == sd && solv->distupgrade)
 504                     {
 505                       POOL_DEBUG(SAT_DEBUG_RESULT, "- keep obsolete %s\n", solvable2str(pool, s));
 506                     }
 507                   else if (sd)
 508                     {
 509                       int gotone = 0;
 510                       if (!solv->allowdowngrade && evrcmp(pool, s->evr, sd->evr, EVRCMP_MATCH_RELEASE) > 0)
 511                         {
 512                           POOL_DEBUG(SAT_DEBUG_RESULT, "- allow downgrade of %s to %s\n", solvable2str(pool, s), solvable2str(pool, sd));
 513                           gotone = 1;
 514                         }
 515                       if (!solv->allowarchchange && s->name == sd->name && s->arch != sd->arch && policy_illegal_archchange(solv, s, sd))
 516                         {
 517                           POOL_DEBUG(SAT_DEBUG_RESULT, "- allow architecture change of %s to %s\n", solvable2str(pool, s), solvable2str(pool, sd));
 518                           gotone = 1;
 519                         }
 520                       if (!solv->allowvendorchange && s->name == sd->name && s->vendor != sd->vendor && policy_illegal_vendorchange(solv, s, sd))
 521                         {
 522                           if (sd->vendor)
 523                             POOL_DEBUG(SAT_DEBUG_RESULT, "- allow vendor change from '%s' (%s) to '%s' (%s)\n", id2str(pool, s->vendor), solvable2str(pool, s), id2str(pool, sd->vendor), solvable2str(pool, sd));
 524                           else
 525                             POOL_DEBUG(SAT_DEBUG_RESULT, "- allow vendor change from '%s' (%s) to no vendor (%s)\n", id2str(pool, s->vendor), solvable2str(pool, s), solvable2str(pool, sd));
 526                           gotone = 1;
 527                         }
 528                       if (!gotone)
 529                         POOL_DEBUG(SAT_DEBUG_RESULT, "- allow replacement of %s with %s\n", solvable2str(pool, s), solvable2str(pool, sd));
 530                     }
 531                   else
 532                     {
 533                       POOL_DEBUG(SAT_DEBUG_RESULT, "- allow deinstallation of %s\n", solvable2str(pool, s));
 534                     }
 535
 536                 }
 537             }
 538           POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 539         }
 540     }
 541 }
 542
 543 void
 544 solver_printtrivial(Solver *solv)
 545 {
 546   Pool *pool = solv->pool;
 547   Queue in, out;
 548   Map installedmap;
 549   Id p;
 550   const char *n;
 551   Solvable *s;
 552   int i;
 553
 554   queue_init(&in);
 555   for (p = 1, s = pool->solvables + p; p < solv->pool->nsolvables; p++, s++)
 556     {
 557       n = id2str(pool, s->name);
 558       if (strncmp(n, "patch:", 6) != 0 && strncmp(n, "pattern:", 8) != 0)
 559         continue;
 560       queue_push(&in, p);
 561     }
 562   if (!in.count)
 563     {
 564       queue_free(&in);
 565       return;
 566     }
 567   solver_create_state_maps(solv, &installedmap, 0);
 568   queue_init(&out);
 569   pool_trivial_installable(pool, solv->installed, &installedmap, &in, &out);
 570   POOL_DEBUG(SAT_DEBUG_RESULT, "trivial installable status:\n");
 571   for (i = 0; i < in.count; i++)
 572     POOL_DEBUG(SAT_DEBUG_RESULT, "  %s: %d\n", solvable2str(pool, pool->solvables + in.elements[i]), out.elements[i]);
 573   POOL_DEBUG(SAT_DEBUG_RESULT, "\n");
 574   map_free(&installedmap);
 575   queue_free(&in);
 576   queue_free(&out);
 577 }
 578
 579 const char *
 580 solver_select2str(Solver *solv, Id select, Id what)
 581 {
 582   Pool *pool = solv->pool;
 583   const char *s;
 584   char *b;
 585   if (select == SOLVER_SOLVABLE)
 586     return solvable2str(pool, pool->solvables + what);
 587   if (select == SOLVER_SOLVABLE_NAME)
 588     return dep2str(pool, what);
 589   if (select == SOLVER_SOLVABLE_PROVIDES)
 590     {
 591       s = dep2str(pool, what);
 592       b = pool_alloctmpspace(pool, 11 + strlen(s));
 593       sprintf(b, "providing %s", s);
 594       return b;
 595     }
 596   if (select == SOLVER_SOLVABLE_ONE_OF)
 597     {
 598       Id p;
 599       char *b2;
 600       b = "";
 601       while ((p = pool->whatprovidesdata[what++]) != 0)
 602         {
 603           s = solvable2str(pool, pool->solvables + p);
 604           b2 = pool_alloctmpspace(pool, strlen(b) + strlen(s) + 3);
 605           sprintf(b2, "%s, %s", b, s);
 606           b = b2;
 607         }
 608       return *b ? b + 2 : "nothing";
 609     }
 610   return "unknown job select";
 611 }