2 * Copyright (c) 2007-2009, Novell Inc.
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
11 * Transaction handling
20 #include "transaction.h"
29 obsq_sortcmp(const void *ap, const void *bp, void *dp)
33 Solvable *s, *oas, *obs;
44 s = pool->solvables + a;
45 oas = pool->solvables + oa;
46 obs = pool->solvables + ob;
47 if (oas->name != obs->name)
49 /* bring "same name" obsoleters (i.e. upgraders) to front */
50 if (oas->name == s->name)
52 if (obs->name == s->name)
54 return strcmp(pool_id2str(pool, oas->name), pool_id2str(pool, obs->name));
56 r = pool_evrcmp(pool, oas->evr, obs->evr, EVRCMP_COMPARE);
58 return -r; /* highest version first */
63 transaction_all_obs_pkgs(Transaction *trans, Id p, Queue *pkgs)
65 Pool *pool = trans->pool;
66 Solvable *s = pool->solvables + p;
67 Queue *ti = &trans->transaction_info;
72 if (p <= 0 || !s->repo)
74 if (s->repo == pool->installed)
76 q = trans->transaction_installed[p - pool->installed->start];
81 /* only a single obsoleting package */
85 /* find which packages obsolete us */
86 for (i = 0; i < ti->count; i += 2)
87 if (ti->elements[i + 1] == p)
88 queue_push2(pkgs, p, ti->elements[i]);
91 solv_sort(pkgs->elements, pkgs->count / 2, 2 * sizeof(Id), obsq_sortcmp, pool);
92 for (i = 0; i < pkgs->count; i += 2)
93 pkgs->elements[i / 2] = pkgs->elements[i + 1];
94 queue_truncate(pkgs, pkgs->count / 2);
98 /* find the packages we obsolete */
99 for (i = 0; i < ti->count; i += 2)
101 if (ti->elements[i] == p)
102 queue_push(pkgs, ti->elements[i + 1]);
103 else if (pkgs->count)
110 transaction_obs_pkg(Transaction *trans, Id p)
112 Pool *pool = trans->pool;
113 Solvable *s = pool->solvables + p;
117 if (p <= 0 || !s->repo)
119 if (s->repo == pool->installed)
121 p = trans->transaction_installed[p - pool->installed->start];
122 return p < 0 ? -p : p;
124 ti = &trans->transaction_info;
125 for (i = 0; i < ti->count; i += 2)
126 if (ti->elements[i] == p)
127 return ti->elements[i + 1];
133 * calculate base type of transaction element
137 transaction_base_type(Transaction *trans, Id p)
139 Pool *pool = trans->pool;
144 if (!MAPTST(&trans->transactsmap, p))
145 return SOLVER_TRANSACTION_IGNORE;
146 p2 = transaction_obs_pkg(trans, p);
147 if (pool->installed && pool->solvables[p].repo == pool->installed)
151 return SOLVER_TRANSACTION_ERASE;
152 s = pool->solvables + p;
153 s2 = pool->solvables + p2;
154 if (s->name == s2->name)
156 if (s->evr == s2->evr && solvable_identical(s, s2))
157 return SOLVER_TRANSACTION_REINSTALLED;
158 r = pool_evrcmp(pool, s->evr, s2->evr, EVRCMP_COMPARE);
160 return SOLVER_TRANSACTION_UPGRADED;
162 return SOLVER_TRANSACTION_DOWNGRADED;
163 return SOLVER_TRANSACTION_CHANGED;
165 return SOLVER_TRANSACTION_OBSOLETED;
169 /* install or multiinstall */
170 int multi = trans->multiversionmap.size && MAPTST(&trans->multiversionmap, p);
175 s = pool->solvables + p;
176 s2 = pool->solvables + p2;
177 if (s->name == s2->name && s->arch == s2->arch && s->evr == s2->evr)
178 return SOLVER_TRANSACTION_MULTIREINSTALL;
180 return SOLVER_TRANSACTION_MULTIINSTALL;
183 return SOLVER_TRANSACTION_INSTALL;
184 s = pool->solvables + p;
185 s2 = pool->solvables + p2;
186 if (s->name == s2->name)
188 if (s->evr == s2->evr && solvable_identical(s, s2))
189 return SOLVER_TRANSACTION_REINSTALL;
190 r = pool_evrcmp(pool, s->evr, s2->evr, EVRCMP_COMPARE);
192 return SOLVER_TRANSACTION_UPGRADE;
194 return SOLVER_TRANSACTION_DOWNGRADE;
196 return SOLVER_TRANSACTION_CHANGE;
198 return SOLVER_TRANSACTION_OBSOLETES;
203 * return type of transaction element
205 * filtering is needed if either not all packages are shown
206 * or replaces are not shown, as otherwise parts of the
207 * transaction might not be shown to the user */
210 transaction_type(Transaction *trans, Id p, int mode)
212 Pool *pool = trans->pool;
213 Solvable *s = pool->solvables + p;
219 return SOLVER_TRANSACTION_IGNORE;
221 /* XXX: SUSE only? */
222 if (!(mode & SOLVER_TRANSACTION_KEEP_PSEUDO))
224 const char *n = pool_id2str(pool, s->name);
225 if (!strncmp(n, "patch:", 6))
226 return SOLVER_TRANSACTION_IGNORE;
227 if (!strncmp(n, "pattern:", 8))
228 return SOLVER_TRANSACTION_IGNORE;
231 type = transaction_base_type(trans, p);
233 if (type == SOLVER_TRANSACTION_IGNORE)
234 return SOLVER_TRANSACTION_IGNORE; /* not part of the transaction */
236 if ((mode & SOLVER_TRANSACTION_RPM_ONLY) != 0)
238 /* application wants to know what to feed to rpm */
239 if (type == SOLVER_TRANSACTION_ERASE || type == SOLVER_TRANSACTION_INSTALL || type == SOLVER_TRANSACTION_MULTIINSTALL)
241 if (s->repo == pool->installed)
242 return SOLVER_TRANSACTION_IGNORE; /* ignore as we're being obsoleted */
243 if (type == SOLVER_TRANSACTION_MULTIREINSTALL)
244 return SOLVER_TRANSACTION_MULTIINSTALL;
245 return SOLVER_TRANSACTION_INSTALL;
248 if ((mode & SOLVER_TRANSACTION_SHOW_MULTIINSTALL) == 0)
250 /* application wants to make no difference between install
251 * and multiinstall */
252 if (type == SOLVER_TRANSACTION_MULTIINSTALL)
253 type = SOLVER_TRANSACTION_INSTALL;
254 if (type == SOLVER_TRANSACTION_MULTIREINSTALL)
255 type = SOLVER_TRANSACTION_REINSTALL;
258 if ((mode & SOLVER_TRANSACTION_CHANGE_IS_REINSTALL) != 0)
260 /* application wants to make no difference between change
262 if (type == SOLVER_TRANSACTION_CHANGED)
263 type = SOLVER_TRANSACTION_REINSTALLED;
264 else if (type == SOLVER_TRANSACTION_CHANGE)
265 type = SOLVER_TRANSACTION_REINSTALL;
268 if (type == SOLVER_TRANSACTION_ERASE || type == SOLVER_TRANSACTION_INSTALL || type == SOLVER_TRANSACTION_MULTIINSTALL)
271 if (s->repo == pool->installed && (mode & SOLVER_TRANSACTION_SHOW_ACTIVE) == 0)
273 /* erase element and we're showing the passive side */
274 if (type == SOLVER_TRANSACTION_OBSOLETED && (mode & SOLVER_TRANSACTION_SHOW_OBSOLETES) == 0)
275 type = SOLVER_TRANSACTION_ERASE;
276 if (type == SOLVER_TRANSACTION_OBSOLETED && (mode & SOLVER_TRANSACTION_OBSOLETE_IS_UPGRADE) != 0)
277 type = SOLVER_TRANSACTION_UPGRADED;
280 if (s->repo != pool->installed && (mode & SOLVER_TRANSACTION_SHOW_ACTIVE) != 0)
282 /* install element and we're showing the active side */
283 if (type == SOLVER_TRANSACTION_OBSOLETES && (mode & SOLVER_TRANSACTION_SHOW_OBSOLETES) == 0)
284 type = SOLVER_TRANSACTION_INSTALL;
285 if (type == SOLVER_TRANSACTION_OBSOLETES && (mode & SOLVER_TRANSACTION_OBSOLETE_IS_UPGRADE) != 0)
286 type = SOLVER_TRANSACTION_UPGRADE;
290 /* the element doesn't match the show mode */
292 /* if we're showing all references, we can ignore this package */
293 if ((mode & (SOLVER_TRANSACTION_SHOW_ALL|SOLVER_TRANSACTION_SHOW_OBSOLETES)) == (SOLVER_TRANSACTION_SHOW_ALL|SOLVER_TRANSACTION_SHOW_OBSOLETES))
294 return SOLVER_TRANSACTION_IGNORE;
296 /* we're not showing all refs. check if some other package
297 * references us. If yes, it's safe to ignore this package,
298 * otherwise we need to map the type */
300 /* most of the time there's only one reference, so check it first */
301 q = transaction_obs_pkg(trans, p);
303 if ((mode & SOLVER_TRANSACTION_SHOW_OBSOLETES) == 0)
305 Solvable *sq = pool->solvables + q;
306 if (sq->name != s->name)
308 /* it's a replace but we're not showing replaces. map type. */
309 if (s->repo == pool->installed)
310 return SOLVER_TRANSACTION_ERASE;
311 else if (type == SOLVER_TRANSACTION_MULTIREINSTALL)
312 return SOLVER_TRANSACTION_MULTIINSTALL;
314 return SOLVER_TRANSACTION_INSTALL;
318 /* if there's a match, p will be shown when q
320 if (transaction_obs_pkg(trans, q) == p)
321 return SOLVER_TRANSACTION_IGNORE;
323 /* too bad, a miss. check em all */
326 transaction_all_obs_pkgs(trans, p, &oq);
327 for (i = 0; i < oq.count; i++)
330 if ((mode & SOLVER_TRANSACTION_SHOW_OBSOLETES) == 0)
332 Solvable *sq = pool->solvables + q;
333 if (sq->name != s->name)
336 /* check if we are referenced? */
337 if ((mode & SOLVER_TRANSACTION_SHOW_ALL) != 0)
339 transaction_all_obs_pkgs(trans, q, &rq);
340 for (j = 0; j < rq.count; j++)
341 if (rq.elements[j] == p)
349 else if (transaction_obs_pkg(trans, q) == p)
360 /* we're not referenced. map type */
361 if (s->repo == pool->installed)
362 return SOLVER_TRANSACTION_ERASE;
363 else if (type == SOLVER_TRANSACTION_MULTIREINSTALL)
364 return SOLVER_TRANSACTION_MULTIINSTALL;
366 return SOLVER_TRANSACTION_INSTALL;
368 /* there was a ref, so p is shown with some other package */
369 return SOLVER_TRANSACTION_IGNORE;
375 classify_cmp(const void *ap, const void *bp, void *dp)
377 Transaction *trans = dp;
378 Pool *pool = trans->pool;
388 return a[2] && b[2] ? strcmp(pool_id2str(pool, a[2]), pool_id2str(pool, b[2])) : r;
391 return a[3] && b[3] ? strcmp(pool_id2str(pool, a[3]), pool_id2str(pool, b[3])) : r;
396 classify_cmp_pkgs(const void *ap, const void *bp, void *dp)
398 Transaction *trans = dp;
399 Pool *pool = trans->pool;
404 sa = pool->solvables + a;
405 sb = pool->solvables + b;
406 if (sa->name != sb->name)
407 return strcmp(pool_id2str(pool, sa->name), pool_id2str(pool, sb->name));
408 if (sa->evr != sb->evr)
410 int r = pool_evrcmp(pool, sa->evr, sb->evr, EVRCMP_COMPARE);
418 transaction_classify(Transaction *trans, int mode, Queue *classes)
420 Pool *pool = trans->pool;
421 int ntypes[SOLVER_TRANSACTION_MAXTYPE + 1];
423 Id v, vq, type, p, q;
426 queue_empty(classes);
427 memset(ntypes, 0, sizeof(ntypes));
428 /* go through transaction and classify each step */
429 for (i = 0; i < trans->steps.count; i++)
431 p = trans->steps.elements[i];
432 s = pool->solvables + p;
433 type = transaction_type(trans, p, mode);
435 if (!pool->installed || s->repo != pool->installed)
437 /* don't report vendor/arch changes if we were mapped to erase. */
438 if (type == SOLVER_TRANSACTION_ERASE)
440 /* look at arch/vendor changes */
441 q = transaction_obs_pkg(trans, p);
444 sq = pool->solvables + q;
450 if ((mode & SOLVER_TRANSACTION_MERGE_ARCHCHANGES) != 0)
452 for (j = 0; j < classes->count; j += 4)
453 if (classes->elements[j] == SOLVER_TRANSACTION_ARCHCHANGE && classes->elements[j + 2] == v && classes->elements[j + 3] == vq)
455 if (j == classes->count)
457 queue_push(classes, SOLVER_TRANSACTION_ARCHCHANGE);
458 queue_push(classes, 1);
459 queue_push(classes, v);
460 queue_push(classes, vq);
463 classes->elements[j + 1]++;
466 v = s->vendor ? s->vendor : 1;
467 vq = sq->vendor ? sq->vendor : 1;
470 if ((mode & SOLVER_TRANSACTION_MERGE_VENDORCHANGES) != 0)
472 for (j = 0; j < classes->count; j += 4)
473 if (classes->elements[j] == SOLVER_TRANSACTION_VENDORCHANGE && classes->elements[j + 2] == v && classes->elements[j + 3] == vq)
475 if (j == classes->count)
477 queue_push(classes, SOLVER_TRANSACTION_VENDORCHANGE);
478 queue_push(classes, 1);
479 queue_push(classes, v);
480 queue_push(classes, vq);
483 classes->elements[j + 1]++;
486 /* now sort all vendor/arch changes */
487 if (classes->count > 4)
488 solv_sort(classes->elements, classes->count / 4, 4 * sizeof(Id), classify_cmp, trans);
489 /* finally add all classes. put erases last */
490 i = SOLVER_TRANSACTION_ERASE;
493 queue_unshift(classes, 0);
494 queue_unshift(classes, 0);
495 queue_unshift(classes, ntypes[i]);
496 queue_unshift(classes, i);
498 for (i = SOLVER_TRANSACTION_MAXTYPE; i > 0; i--)
502 if (i == SOLVER_TRANSACTION_ERASE)
504 queue_unshift(classes, 0);
505 queue_unshift(classes, 0);
506 queue_unshift(classes, ntypes[i]);
507 queue_unshift(classes, i);
512 transaction_classify_pkgs(Transaction *trans, int mode, Id class, Id from, Id to, Queue *pkgs)
514 Pool *pool = trans->pool;
520 for (i = 0; i < trans->steps.count; i++)
522 p = trans->steps.elements[i];
523 s = pool->solvables + p;
524 if (class <= SOLVER_TRANSACTION_MAXTYPE)
526 type = transaction_type(trans, p, mode);
531 if (!pool->installed || s->repo != pool->installed)
533 q = transaction_obs_pkg(trans, p);
536 sq = pool->solvables + q;
537 if (class == SOLVER_TRANSACTION_ARCHCHANGE)
539 if ((!from && !to) || (s->arch == from && sq->arch == to))
543 if (class == SOLVER_TRANSACTION_VENDORCHANGE)
545 Id v = s->vendor ? s->vendor : 1;
546 Id vq = sq->vendor ? sq->vendor : 1;
547 if ((!from && !to) || (v == from && vq == to))
553 solv_sort(pkgs->elements, pkgs->count, sizeof(Id), classify_cmp_pkgs, trans);
557 create_transaction_info(Transaction *trans, Queue *decisionq)
559 Pool *pool = trans->pool;
560 Queue *ti = &trans->transaction_info;
561 Repo *installed = pool->installed;
567 trans->transaction_installed = solv_free(trans->transaction_installed);
569 return; /* no info needed */
570 for (i = 0; i < decisionq->count; i++)
572 p = decisionq->elements[i];
573 if (p <= 0 || p == SYSTEMSOLVABLE)
575 s = pool->solvables + p;
576 if (!s->repo || s->repo == installed)
578 multi = trans->multiversionmap.size && MAPTST(&trans->multiversionmap, p);
579 FOR_PROVIDES(p2, pp2, s->name)
581 if (!MAPTST(&trans->transactsmap, p2))
583 s2 = pool->solvables + p2;
584 if (s2->repo != installed)
586 if (multi && (s->name != s2->name || s->evr != s2->evr || s->arch != s2->arch))
588 if (!pool->implicitobsoleteusesprovides && s->name != s2->name)
590 if (pool->implicitobsoleteusescolors && !pool_colormatch(pool, s, s2))
592 queue_push2(ti, p, p2);
594 if (s->obsoletes && (!multi || !pool->noobsoletesmultiversion))
596 Id obs, *obsp = s->repo->idarraydata + s->obsoletes;
597 while ((obs = *obsp++) != 0)
599 FOR_PROVIDES(p2, pp2, obs)
601 s2 = pool->solvables + p2;
602 if (s2->repo != installed)
604 if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, pool->solvables + p2, obs))
606 if (pool->obsoleteusescolors && !pool_colormatch(pool, s, s2))
608 queue_push2(ti, p, p2);
616 solv_sort(ti->elements, ti->count / 2, 2 * sizeof(Id), obsq_sortcmp, pool);
617 for (i = j = 2; i < ti->count; i += 2)
619 if (ti->elements[i] == ti->elements[j - 2] && ti->elements[i + 1] == ti->elements[j - 1])
621 ti->elements[j++] = ti->elements[i];
622 ti->elements[j++] = ti->elements[i + 1];
624 queue_truncate(ti, j);
627 /* create transaction_installed helper */
628 /* entry > 0: exactly one obsoleter, entry < 0: multiple obsoleters, -entry is "best" */
629 trans->transaction_installed = solv_calloc(installed->end - installed->start, sizeof(Id));
630 for (i = 0; i < ti->count; i += 2)
632 j = ti->elements[i + 1] - installed->start;
633 if (!trans->transaction_installed[j])
634 trans->transaction_installed[j] = ti->elements[i];
637 /* more than one package obsoletes us. compare to find "best" */
639 if (trans->transaction_installed[j] > 0)
640 trans->transaction_installed[j] = -trans->transaction_installed[j];
641 q[0] = q[2] = ti->elements[i + 1];
642 q[1] = ti->elements[i];
643 q[3] = -trans->transaction_installed[j];
644 if (obsq_sortcmp(q, q + 2, pool) < 0)
645 trans->transaction_installed[j] = -ti->elements[i];
652 transaction_create_decisionq(Pool *pool, Queue *decisionq, Map *multiversionmap)
654 Repo *installed = pool->installed;
660 trans = transaction_create(pool);
661 if (multiversionmap && !multiversionmap->size)
662 multiversionmap = 0; /* ignore empty map */
663 queue_empty(&trans->steps);
664 map_init(&trans->transactsmap, pool->nsolvables);
666 for (i = 0; i < decisionq->count; i++)
668 p = decisionq->elements[i];
669 s = pool->solvables + (p > 0 ? p : -p);
672 if (installed && s->repo == installed && p < 0)
673 MAPSET(&trans->transactsmap, -p);
674 if ((!installed || s->repo != installed) && p > 0)
677 const char *n = pool_id2str(pool, s->name);
678 if (!strncmp(n, "patch:", 6))
680 if (!strncmp(n, "pattern:", 8))
683 MAPSET(&trans->transactsmap, p);
684 if (multiversionmap && MAPTST(multiversionmap, p))
688 MAPCLR(&trans->transactsmap, SYSTEMSOLVABLE);
690 map_init_clone(&trans->multiversionmap, multiversionmap);
692 create_transaction_info(trans, decisionq);
696 FOR_REPO_SOLVABLES(installed, p, s)
698 if (MAPTST(&trans->transactsmap, p))
699 queue_push(&trans->steps, p);
702 for (i = 0; i < decisionq->count; i++)
704 p = decisionq->elements[i];
705 if (p > 0 && MAPTST(&trans->transactsmap, p))
706 queue_push(&trans->steps, p);
712 transaction_installedresult(Transaction *trans, Queue *installedq)
714 Pool *pool = trans->pool;
715 Repo *installed = pool->installed;
720 queue_empty(installedq);
721 /* first the new installs, than the kept packages */
722 for (i = 0; i < trans->steps.count; i++)
724 p = trans->steps.elements[i];
725 s = pool->solvables + p;
726 if (installed && s->repo == installed)
728 queue_push(installedq, p);
730 cutoff = installedq->count;
733 FOR_REPO_SOLVABLES(installed, p, s)
734 if (!MAPTST(&trans->transactsmap, p))
735 queue_push(installedq, p);
741 transaction_create_installedmap(Transaction *trans, Map *installedmap)
743 Pool *pool = trans->pool;
744 Repo *installed = pool->installed;
749 map_init(installedmap, pool->nsolvables);
750 for (i = 0; i < trans->steps.count; i++)
752 p = trans->steps.elements[i];
753 s = pool->solvables + p;
754 if (!installed || s->repo != installed)
755 MAPSET(installedmap, p);
759 FOR_REPO_SOLVABLES(installed, p, s)
760 if (!MAPTST(&trans->transactsmap, p))
761 MAPSET(installedmap, p);
766 transaction_calc_installsizechange(Transaction *trans)
771 transaction_create_installedmap(trans, &installedmap);
772 change = pool_calc_installsizechange(trans->pool, &installedmap);
773 map_free(&installedmap);
778 transaction_calc_duchanges(Transaction *trans, DUChanges *mps, int nmps)
782 transaction_create_installedmap(trans, &installedmap);
783 pool_calc_duchanges(trans->pool, &installedmap, mps, nmps);
784 map_free(&installedmap);
787 struct _TransactionElement {
788 Id p; /* solvable id */
789 Id edges; /* pointer into edges data */
793 struct _TransactionOrderdata {
794 struct _TransactionElement *tes;
800 #define TYPE_BROKEN (1<<0)
801 #define TYPE_CON (1<<1)
803 #define TYPE_REQ_P (1<<2)
804 #define TYPE_PREREQ_P (1<<3)
806 #define TYPE_REQ (1<<4)
807 #define TYPE_PREREQ (1<<5)
809 #define TYPE_CYCLETAIL (1<<16)
810 #define TYPE_CYCLEHEAD (1<<17)
812 #define EDGEDATA_BLOCK 127
815 transaction_create(Pool *pool)
817 Transaction *trans = solv_calloc(1, sizeof(*trans));
823 transaction_create_clone(Transaction *srctrans)
825 Transaction *trans = transaction_create(srctrans->pool);
826 queue_init_clone(&trans->steps, &srctrans->steps);
827 queue_init_clone(&trans->transaction_info, &srctrans->transaction_info);
828 if (srctrans->transaction_installed)
830 Repo *installed = srctrans->pool->installed;
831 trans->transaction_installed = solv_calloc(installed->end - installed->start, sizeof(Id));
832 memcpy(trans->transaction_installed, srctrans->transaction_installed, (installed->end - installed->start) * sizeof(Id));
834 map_init_clone(&trans->transactsmap, &srctrans->transactsmap);
835 map_init_clone(&trans->multiversionmap, &srctrans->multiversionmap);
836 if (srctrans->orderdata)
838 struct _TransactionOrderdata *od = srctrans->orderdata;
839 trans->orderdata = solv_calloc(1, sizeof(*trans->orderdata));
840 trans->orderdata->tes = solv_malloc2(od->ntes, sizeof(*od->tes));
841 memcpy(trans->orderdata->tes, od->tes, od->ntes * sizeof(*od->tes));
842 trans->orderdata->ntes = od->ntes;
843 trans->orderdata->invedgedata = solv_malloc2(od->ninvedgedata, sizeof(Id));
844 memcpy(trans->orderdata->invedgedata, od->invedgedata, od->ninvedgedata * sizeof(Id));
845 trans->orderdata->ninvedgedata = od->ninvedgedata;
851 transaction_free(Transaction *trans)
853 queue_free(&trans->steps);
854 queue_free(&trans->transaction_info);
855 trans->transaction_installed = solv_free(trans->transaction_installed);
856 map_free(&trans->transactsmap);
857 map_free(&trans->multiversionmap);
858 transaction_free_orderdata(trans);
863 transaction_free_orderdata(Transaction *trans)
865 if (trans->orderdata)
867 struct _TransactionOrderdata *od = trans->orderdata;
868 od->tes = solv_free(od->tes);
869 od->invedgedata = solv_free(od->invedgedata);
870 trans->orderdata = solv_free(trans->orderdata);
876 struct _TransactionElement *tes;
888 addteedge(struct orderdata *od, int from, int to, int type)
891 struct _TransactionElement *te;
896 /* printf("edge %d(%s) -> %d(%s) type %x\n", from, pool_solvid2str(pool, od->tes[from].p), to, pool_solvid2str(pool, od->tes[to].p), type); */
899 for (i = te->edges; od->edgedata[i]; i += 2)
900 if (od->edgedata[i] == to)
902 /* test of brokenness */
903 if (type == TYPE_BROKEN)
904 return od->edgedata[i] && (od->edgedata[i + 1] & TYPE_BROKEN) != 0 ? 1 : 0;
907 od->edgedata[i + 1] |= type;
910 if (i + 1 == od->nedgedata)
912 /* printf("tail add %d\n", i - te->edges); */
915 od->edgedata = solv_extend(od->edgedata, od->nedgedata, 3, sizeof(Id), EDGEDATA_BLOCK);
919 /* printf("extend %d\n", i - te->edges); */
920 od->edgedata = solv_extend(od->edgedata, od->nedgedata, 3 + (i - te->edges), sizeof(Id), EDGEDATA_BLOCK);
922 memcpy(od->edgedata + od->nedgedata, od->edgedata + te->edges, sizeof(Id) * (i - te->edges));
923 i = od->nedgedata + (i - te->edges);
924 te->edges = od->nedgedata;
926 od->edgedata[i] = to;
927 od->edgedata[i + 1] = type;
928 od->edgedata[i + 2] = 0; /* end marker */
929 od->nedgedata = i + 3;
934 addedge(struct orderdata *od, Id from, Id to, int type)
936 Transaction *trans = od->trans;
937 Pool *pool = trans->pool;
939 struct _TransactionElement *te;
942 /* printf("addedge %d %d type %d\n", from, to, type); */
943 s = pool->solvables + from;
944 if (s->repo == pool->installed && trans->transaction_installed[from - pool->installed->start])
946 /* obsolete, map to install */
947 if (trans->transaction_installed[from - pool->installed->start] > 0)
948 from = trans->transaction_installed[from - pool->installed->start];
955 queue_init_buffer(&ti, tibuf, sizeof(tibuf)/sizeof(*tibuf));
956 transaction_all_obs_pkgs(trans, from, &ti);
957 for (i = 0; i < ti.count; i++)
958 ret |= addedge(od, ti.elements[i], to, type);
963 s = pool->solvables + to;
964 if (s->repo == pool->installed && trans->transaction_installed[to - pool->installed->start])
966 /* obsolete, map to install */
967 if (trans->transaction_installed[to - pool->installed->start] > 0)
968 to = trans->transaction_installed[to - pool->installed->start];
975 queue_init_buffer(&ti, tibuf, sizeof(tibuf)/sizeof(*tibuf));
976 transaction_all_obs_pkgs(trans, to, &ti);
977 for (i = 0; i < ti.count; i++)
978 ret |= addedge(od, from, ti.elements[i], type);
984 /* map from/to to te numbers */
985 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
992 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
998 return addteedge(od, i, to, type);
1003 havechoice(struct orderdata *od, Id p, Id q1, Id q2)
1005 Transaction *trans = od->trans;
1006 Pool *pool = trans->pool;
1007 Id ti1buf[5], ti2buf[5];
1011 /* both q1 and q2 are uninstalls. check if their TEs intersect */
1012 /* common case: just one TE for both packages */
1014 printf("havechoice %d %d %d\n", p, q1, q2);
1016 if (trans->transaction_installed[q1 - pool->installed->start] == 0)
1018 if (trans->transaction_installed[q2 - pool->installed->start] == 0)
1020 if (trans->transaction_installed[q1 - pool->installed->start] == trans->transaction_installed[q2 - pool->installed->start])
1022 if (trans->transaction_installed[q1 - pool->installed->start] > 0 && trans->transaction_installed[q2 - pool->installed->start] > 0)
1024 queue_init_buffer(&ti1, ti1buf, sizeof(ti1buf)/sizeof(*ti1buf));
1025 transaction_all_obs_pkgs(trans, q1, &ti1);
1026 queue_init_buffer(&ti2, ti2buf, sizeof(ti2buf)/sizeof(*ti2buf));
1027 transaction_all_obs_pkgs(trans, q2, &ti2);
1028 for (i = 0; i < ti1.count; i++)
1029 for (j = 0; j < ti2.count; j++)
1030 if (ti1.elements[i] == ti2.elements[j])
1032 /* found a common edge */
1044 havescripts(Pool *pool, Id solvid)
1046 Solvable *s = pool->solvables + solvid;
1052 reqp = s->repo->idarraydata + s->requires;
1053 while ((req = *reqp++) != 0)
1055 if (req == SOLVABLE_PREREQMARKER)
1062 dep = pool_id2str(pool, req);
1063 if (*dep == '/' && strcmp(dep, "/sbin/ldconfig") != 0)
1071 addsolvableedges(struct orderdata *od, Solvable *s)
1073 Transaction *trans = od->trans;
1074 Pool *pool = trans->pool;
1075 Id req, *reqp, con, *conp;
1077 int i, j, pre, numins;
1078 Repo *installed = pool->installed;
1084 printf("addsolvableedges %s\n", pool_solvable2str(pool, s));
1086 p = s - pool->solvables;
1090 reqp = s->repo->idarraydata + s->requires;
1092 while ((req = *reqp++) != 0)
1094 if (req == SOLVABLE_PREREQMARKER)
1100 if (pre != TYPE_PREREQ && installed && s->repo == installed)
1102 /* ignore normal requires if we're getting obsoleted */
1103 if (trans->transaction_installed[p - pool->installed->start])
1108 numins = 0; /* number of packages to be installed providing it */
1109 provbyinst = 0; /* provided by kept package */
1110 FOR_PROVIDES(p2, pp2, req)
1112 s2 = pool->solvables + p2;
1115 reqq.count = 0; /* self provides */
1118 if (s2->repo == installed && !MAPTST(&trans->transactsmap, p2))
1122 printf("IGNORE inst provides %s by %s\n", pool_dep2str(pool, req), pool_solvable2str(pool, s2));
1123 reqq.count = 0; /* provided by package that stays installed */
1129 if (s2->repo != installed && !MAPTST(&trans->transactsmap, p2))
1130 continue; /* package stays uninstalled */
1132 if (s->repo == installed)
1134 /* s gets uninstalled */
1135 queue_pushunique(&reqq, p2);
1136 if (s2->repo != installed)
1141 if (s2->repo == installed)
1142 continue; /* s2 gets uninstalled */
1143 queue_pushunique(&reqq, p2);
1148 /* prune to harmless ->inst edges */
1149 for (i = j = 0; i < reqq.count; i++)
1150 if (pool->solvables[reqq.elements[i]].repo != installed)
1151 reqq.elements[j++] = reqq.elements[i];
1155 if (numins && reqq.count)
1157 if (s->repo == installed)
1159 for (i = 0; i < reqq.count; i++)
1161 if (pool->solvables[reqq.elements[i]].repo == installed)
1163 for (j = 0; j < reqq.count; j++)
1165 if (pool->solvables[reqq.elements[j]].repo != installed)
1167 if (trans->transaction_installed[reqq.elements[i] - pool->installed->start] == reqq.elements[j])
1168 continue; /* no self edge */
1170 printf("add interrreq uninst->inst edge (%s -> %s -> %s)\n", pool_solvid2str(pool, reqq.elements[i]), pool_dep2str(pool, req), pool_solvid2str(pool, reqq.elements[j]));
1172 addedge(od, reqq.elements[i], reqq.elements[j], pre == TYPE_PREREQ ? TYPE_PREREQ_P : TYPE_REQ_P);
1178 /* no mixed types, remove all deps on uninstalls */
1179 for (i = j = 0; i < reqq.count; i++)
1180 if (pool->solvables[reqq.elements[i]].repo != installed)
1181 reqq.elements[j++] = reqq.elements[i];
1186 for (i = 0; i < reqq.count; i++)
1189 p2 = reqq.elements[i];
1190 if (pool->solvables[p2].repo != installed)
1192 /* all elements of reqq are installs, thus have different TEs */
1193 choice = reqq.count - 1;
1194 if (pool->solvables[p].repo != installed)
1197 printf("add inst->inst edge choice %d (%s -> %s -> %s)\n", choice, pool_solvid2str(pool, p), pool_dep2str(pool, req), pool_solvid2str(pool, p2));
1199 addedge(od, p, p2, pre);
1204 printf("add uninst->inst edge choice %d (%s -> %s -> %s)\n", choice, pool_solvid2str(pool, p), pool_dep2str(pool, req), pool_solvid2str(pool, p2));
1206 addedge(od, p, p2, pre == TYPE_PREREQ ? TYPE_PREREQ_P : TYPE_REQ_P);
1211 if (s->repo != installed)
1212 continue; /* no inst->uninst edges, please! */
1214 /* uninst -> uninst edge. Those make trouble. Only add if we must */
1215 if (trans->transaction_installed[p - installed->start] && !havescripts(pool, p))
1217 /* p is obsoleted by another package and has no scripts */
1218 /* we assume that the obsoletor is good enough to replace p */
1223 for (j = 0; j < reqq.count; j++)
1227 if (havechoice(od, p, reqq.elements[i], reqq.elements[j]))
1232 printf("add uninst->uninst edge choice %d (%s -> %s -> %s)\n", choice, pool_solvid2str(pool, p), pool_dep2str(pool, req), pool_solvid2str(pool, p2));
1234 addedge(od, p2, p, pre == TYPE_PREREQ ? TYPE_PREREQ_P : TYPE_REQ_P);
1241 conp = s->repo->idarraydata + s->conflicts;
1242 while ((con = *conp++) != 0)
1244 FOR_PROVIDES(p2, pp2, con)
1248 s2 = pool->solvables + p2;
1251 if (s->repo == installed)
1253 if (s2->repo != installed && MAPTST(&trans->transactsmap, p2))
1255 /* deinstall p before installing p2 */
1257 printf("add conflict uninst->inst edge (%s -> %s -> %s)\n", pool_solvid2str(pool, p2), pool_dep2str(pool, con), pool_solvid2str(pool, p));
1259 addedge(od, p2, p, TYPE_CON);
1264 if (s2->repo == installed && MAPTST(&trans->transactsmap, p2))
1266 /* deinstall p2 before installing p */
1268 printf("add conflict uninst->inst edge (%s -> %s -> %s)\n", pool_solvid2str(pool, p), pool_dep2str(pool, con), pool_solvid2str(pool, p2));
1270 addedge(od, p, p2, TYPE_CON);
1277 if (s->repo == installed && solvable_lookup_idarray(s, SOLVABLE_TRIGGERS, &reqq) && reqq.count)
1279 /* we're getting deinstalled/updated. Try to do this before our
1280 * triggers are hit */
1281 for (i = 0; i < reqq.count; i++)
1283 Id tri = reqq.elements[i];
1284 FOR_PROVIDES(p2, pp2, tri)
1288 s2 = pool->solvables + p2;
1291 if (s2->name == s->name)
1292 continue; /* obsoleted anyway */
1293 if (s2->repo != installed && MAPTST(&trans->transactsmap, p2))
1295 /* deinstall/update p before installing p2 */
1297 printf("add trigger uninst->inst edge (%s -> %s -> %s)\n", pool_solvid2str(pool, p2), pool_dep2str(pool, tri), pool_solvid2str(pool, p));
1299 addedge(od, p2, p, TYPE_CON);
1308 /* break an edge in a cycle */
1310 breakcycle(struct orderdata *od, Id *cycle)
1312 Pool *pool = od->trans->pool;
1313 Id ddegmin, ddegmax, ddeg;
1315 struct _TransactionElement *te;
1318 ddegmin = ddegmax = 0;
1319 for (k = 0; cycle[k + 1]; k += 2)
1321 ddeg = od->edgedata[cycle[k + 1] + 1];
1324 if (!k || ddeg < ddegmin)
1330 if (ddeg == ddegmin)
1332 if (havescripts(pool, od->tes[cycle[l]].p) && !havescripts(pool, od->tes[cycle[k]].p))
1334 /* prefer k, as l comes from a package with contains scriptlets */
1339 /* same edge value, check for prereq */
1343 /* record brkoen cycle starting with the tail */
1344 queue_push(&od->cycles, od->cyclesdata.count); /* offset into data */
1345 queue_push(&od->cycles, k / 2); /* cycle elements */
1346 queue_push(&od->cycles, od->edgedata[cycle[l + 1] + 1]); /* broken edge */
1353 queue_push(&od->cyclesdata, cycle[k]);
1357 queue_push(&od->cyclesdata, 0); /* mark end */
1359 /* break that edge */
1360 od->edgedata[cycle[l + 1] + 1] |= TYPE_BROKEN;
1363 if (ddegmin < TYPE_REQ)
1367 /* cycle recorded, print it */
1368 if (ddegmin >= TYPE_REQ && (ddegmax & TYPE_PREREQ) != 0)
1369 POOL_DEBUG(SOLV_DEBUG_STATS, "CRITICAL ");
1370 POOL_DEBUG(SOLV_DEBUG_STATS, "cycle: --> ");
1371 for (k = 0; cycle[k + 1]; k += 2)
1373 te = od->tes + cycle[k];
1374 if ((od->edgedata[cycle[k + 1] + 1] & TYPE_BROKEN) != 0)
1375 POOL_DEBUG(SOLV_DEBUG_STATS, "%s ##%x##> ", pool_solvid2str(pool, te->p), od->edgedata[cycle[k + 1] + 1]);
1377 POOL_DEBUG(SOLV_DEBUG_STATS, "%s --%x--> ", pool_solvid2str(pool, te->p), od->edgedata[cycle[k + 1] + 1]);
1379 POOL_DEBUG(SOLV_DEBUG_STATS, "\n");
1383 dump_tes(struct orderdata *od)
1385 Pool *pool = od->trans->pool;
1388 struct _TransactionElement *te, *te2;
1391 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1393 Solvable *s = pool->solvables + te->p;
1394 POOL_DEBUG(SOLV_DEBUG_RESULT, "TE %4d: %c%s\n", i, s->repo == pool->installed ? '-' : '+', pool_solvable2str(pool, s));
1395 if (s->repo != pool->installed)
1398 transaction_all_obs_pkgs(od->trans, te->p, &obsq);
1399 for (j = 0; j < obsq.count; j++)
1400 POOL_DEBUG(SOLV_DEBUG_RESULT, " -%s\n", pool_solvid2str(pool, obsq.elements[j]));
1402 for (j = te->edges; od->edgedata[j]; j += 2)
1404 te2 = od->tes + od->edgedata[j];
1405 if ((od->edgedata[j + 1] & TYPE_BROKEN) == 0)
1406 POOL_DEBUG(SOLV_DEBUG_RESULT, " --%x--> TE %4d: %s\n", od->edgedata[j + 1], od->edgedata[j], pool_solvid2str(pool, te2->p));
1408 POOL_DEBUG(SOLV_DEBUG_RESULT, " ##%x##> TE %4d: %s\n", od->edgedata[j + 1], od->edgedata[j], pool_solvid2str(pool, te2->p));
1415 reachable(struct orderdata *od, Id i)
1417 struct _TransactionElement *te = od->tes + i;
1423 for (j = te->edges; (k = od->edgedata[j]) != 0; j += 2)
1425 if ((od->edgedata[j + 1] & TYPE_BROKEN) != 0)
1427 if (!od->tes[k].mark)
1429 if (od->tes[k].mark == 2)
1440 addcycleedges(struct orderdata *od, Id *cycle, Queue *todo)
1443 Transaction *trans = od->trans;
1444 Pool *pool = trans->pool;
1446 struct _TransactionElement *te;
1453 printf("addcycleedges\n");
1454 for (i = 0; (j = cycle[i]) != 0; i++)
1455 printf("cycle %s\n", pool_solvid2str(pool, od->tes[j].p));
1458 /* first add all the tail cycle edges */
1460 /* see what we can reach from the cycle */
1462 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1464 for (i = 0; (j = cycle[i]) != 0; i++)
1466 od->tes[j].mark = -1;
1467 queue_push(todo, j);
1471 i = queue_pop(todo);
1475 te->mark = te->mark < 0 ? 2 : 1;
1476 for (j = te->edges; (k = od->edgedata[j]) != 0; j += 2)
1478 if ((od->edgedata[j + 1] & TYPE_BROKEN) != 0)
1480 if (od->tes[k].mark > 0)
1481 continue; /* no need to visit again */
1482 queue_push(todo, k);
1485 /* now all cycle TEs are marked with 2, all TEs reachable
1486 * from the cycle are marked with 1 */
1488 od->tes[tail].mark = 1; /* no need to add edges */
1490 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1493 continue; /* reachable from cycle */
1494 for (j = te->edges; (k = od->edgedata[j]) != 0; j += 2)
1496 if ((od->edgedata[j + 1] & TYPE_BROKEN) != 0)
1498 if (od->tes[k].mark != 2)
1500 /* We found an edge to the cycle. Add an extra edge to the tail */
1501 /* the TE was not reachable, so we're not creating a new cycle! */
1503 printf("adding TO TAIL cycle edge %d->%d %s->%s!\n", i, tail, pool_solvid2str(pool, od->tes[i].p), pool_solvid2str(pool, od->tes[tail].p));
1505 j -= te->edges; /* in case we move */
1506 addteedge(od, i, tail, TYPE_CYCLETAIL);
1508 break; /* one edge is enough */
1513 /* now add all head cycle edges */
1516 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1519 for (i = 0; (j = cycle[i]) != 0; i++)
1522 od->tes[j].mark = 2;
1524 /* first the head to save some time */
1525 te = od->tes + head;
1526 for (j = te->edges; (k = od->edgedata[j]) != 0; j += 2)
1528 if ((od->edgedata[j + 1] & TYPE_BROKEN) != 0)
1530 if (!od->tes[k].mark)
1532 if (od->tes[k].mark == -1)
1533 od->tes[k].mark = -2; /* no need for another edge */
1535 for (i = 0; cycle[i] != 0; i++)
1537 if (cycle[i] == head)
1539 te = od->tes + cycle[i];
1540 for (j = te->edges; (k = od->edgedata[j]) != 0; j += 2)
1542 if ((od->edgedata[j + 1] & TYPE_BROKEN) != 0)
1544 /* see if we can reach a cycle TE from k */
1545 if (!od->tes[k].mark)
1547 if (od->tes[k].mark == -1)
1550 printf("adding FROM HEAD cycle edge %d->%d %s->%s [%s]!\n", head, k, pool_solvid2str(pool, od->tes[head].p), pool_solvid2str(pool, od->tes[k].p), pool_solvid2str(pool, od->tes[cycle[i]].p));
1552 addteedge(od, head, k, TYPE_CYCLEHEAD);
1553 od->tes[k].mark = -2; /* no need to add that one again */
1561 transaction_order(Transaction *trans, int flags)
1563 Pool *pool = trans->pool;
1564 Queue *tr = &trans->steps;
1565 Repo *installed = pool->installed;
1568 int i, j, k, numte, numedge;
1569 struct orderdata od;
1570 struct _TransactionElement *te;
1571 Queue todo, obsq, samerepoq, uninstq;
1572 int cycstart, cycel;
1580 start = now = solv_timems(0);
1581 POOL_DEBUG(SOLV_DEBUG_STATS, "ordering transaction\n");
1582 /* free old data if present */
1583 if (trans->orderdata)
1585 struct _TransactionOrderdata *od = trans->orderdata;
1586 od->tes = solv_free(od->tes);
1587 od->invedgedata = solv_free(od->invedgedata);
1588 trans->orderdata = solv_free(trans->orderdata);
1591 /* create a transaction element for every active component */
1593 for (i = 0; i < tr->count; i++)
1595 p = tr->elements[i];
1596 s = pool->solvables + p;
1597 if (installed && s->repo == installed && trans->transaction_installed[p - installed->start])
1601 POOL_DEBUG(SOLV_DEBUG_STATS, "transaction elements: %d\n", numte);
1603 return; /* nothing to do... */
1605 numte++; /* leave first one zero */
1606 memset(&od, 0, sizeof(od));
1609 od.tes = solv_calloc(numte, sizeof(*od.tes));
1610 od.edgedata = solv_extend(0, 0, 1, sizeof(Id), EDGEDATA_BLOCK);
1613 queue_init(&od.cycles);
1615 /* initialize TEs */
1616 for (i = 0, te = od.tes + 1; i < tr->count; i++)
1618 p = tr->elements[i];
1619 s = pool->solvables + p;
1620 if (installed && s->repo == installed && trans->transaction_installed[p - installed->start])
1626 /* create dependency graph */
1627 for (i = 0; i < tr->count; i++)
1628 addsolvableedges(&od, pool->solvables + tr->elements[i]);
1632 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1633 for (j = te->edges; od.edgedata[j]; j += 2)
1635 POOL_DEBUG(SOLV_DEBUG_STATS, "edges: %d, edge space: %d\n", numedge, od.nedgedata / 2);
1636 POOL_DEBUG(SOLV_DEBUG_STATS, "edge creation took %d ms\n", solv_timems(now));
1642 now = solv_timems(0);
1643 /* kill all cycles */
1645 for (i = numte - 1; i > 0; i--)
1646 queue_push(&todo, i);
1650 i = queue_pop(&todo);
1651 /* printf("- look at TE %d\n", i); */
1655 od.tes[i].mark = 2; /* done with that one */
1660 continue; /* already finished before */
1663 int edgestovisit = 0;
1664 /* new node, visit edges */
1665 for (j = te->edges; (k = od.edgedata[j]) != 0; j += 2)
1667 if ((od.edgedata[j + 1] & TYPE_BROKEN) != 0)
1669 if (od.tes[k].mark == 2)
1670 continue; /* no need to visit again */
1671 if (!edgestovisit++)
1672 queue_push(&todo, -i); /* end of edges marker */
1673 queue_push(&todo, k);
1676 te->mark = 2; /* no edges, done with that one */
1678 te->mark = 1; /* under investigation */
1681 /* oh no, we found a cycle */
1682 /* find start of cycle node (<0) */
1683 for (j = todo.count - 1; j >= 0; j--)
1684 if (todo.elements[j] == -i)
1688 /* build te/edge chain */
1690 for (j = k; j < todo.count; j++)
1691 if (todo.elements[j] < 0)
1692 todo.elements[k++] = -todo.elements[j];
1693 cycel = k - cycstart;
1695 /* make room for edges, two extra element for cycle loop + terminating 0 */
1696 while (todo.count < cycstart + 2 * cycel + 2)
1697 queue_push(&todo, 0);
1698 cycle = todo.elements + cycstart;
1699 cycle[cycel] = i; /* close the loop */
1700 cycle[2 * cycel + 1] = 0; /* terminator */
1701 for (k = cycel; k > 0; k--)
1703 cycle[k * 2] = cycle[k];
1704 te = od.tes + cycle[k - 1];
1705 assert(te->mark == 1);
1706 te->mark = 0; /* reset investigation marker */
1707 /* printf("searching for edge from %d to %d\n", cycle[k - 1], cycle[k]); */
1708 for (j = te->edges; od.edgedata[j]; j += 2)
1709 if (od.edgedata[j] == cycle[k])
1711 assert(od.edgedata[j]);
1712 cycle[k * 2 - 1] = j;
1714 /* now cycle looks like this: */
1715 /* te1 edge te2 edge te3 ... teN edge te1 0 */
1716 breakcycle(&od, cycle);
1717 /* restart with start of cycle */
1718 todo.count = cycstart + 1;
1720 POOL_DEBUG(SOLV_DEBUG_STATS, "cycles broken: %d\n", od.ncycles);
1721 POOL_DEBUG(SOLV_DEBUG_STATS, "cycle breaking took %d ms\n", solv_timems(now));
1723 now = solv_timems(0);
1724 /* now go through all broken cycles and create cycle edges to help
1726 for (i = od.cycles.count - 3; i >= 0; i -= 3)
1728 if (od.cycles.elements[i + 2] >= TYPE_REQ)
1729 addcycleedges(&od, od.cyclesdata.elements + od.cycles.elements[i], &todo);
1731 for (i = od.cycles.count - 3; i >= 0; i -= 3)
1733 if (od.cycles.elements[i + 2] < TYPE_REQ)
1734 addcycleedges(&od, od.cyclesdata.elements + od.cycles.elements[i], &todo);
1736 POOL_DEBUG(SOLV_DEBUG_STATS, "cycle edge creation took %d ms\n", solv_timems(now));
1741 /* all edges are finally set up and there are no cycles, now the easy part.
1742 * Create an ordered transaction */
1743 now = solv_timems(0);
1744 /* first invert all edges */
1745 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1746 te->mark = 1; /* term 0 */
1747 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1749 for (j = te->edges; od.edgedata[j]; j += 2)
1751 if ((od.edgedata[j + 1] & TYPE_BROKEN) != 0)
1753 od.tes[od.edgedata[j]].mark++;
1757 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1762 POOL_DEBUG(SOLV_DEBUG_STATS, "invedge space: %d\n", j + 1);
1763 od.invedgedata = solv_calloc(j + 1, sizeof(Id));
1764 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1766 for (j = te->edges; od.edgedata[j]; j += 2)
1768 if ((od.edgedata[j + 1] & TYPE_BROKEN) != 0)
1770 od.invedgedata[--od.tes[od.edgedata[j]].mark] = i;
1773 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1774 te->edges = te->mark; /* edges now points into invedgedata */
1775 od.edgedata = solv_free(od.edgedata);
1776 od.nedgedata = j + 1;
1778 /* now the final ordering */
1779 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1781 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1782 for (j = te->edges; od.invedgedata[j]; j++)
1783 od.tes[od.invedgedata[j]].mark++;
1785 queue_init(&samerepoq);
1786 queue_init(&uninstq);
1788 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1791 if (installed && pool->solvables[te->p].repo == installed)
1792 queue_push(&uninstq, i);
1794 queue_push(&todo, i);
1796 assert(todo.count > 0 || uninstq.count > 0);
1797 oldcount = tr->count;
1804 temedianr = solv_calloc(numte, sizeof(Id));
1805 for (i = 1; i < numte; i++)
1807 Solvable *s = pool->solvables + od.tes[i].p;
1808 if (installed && s->repo == installed)
1811 j = solvable_lookup_num(s, SOLVABLE_MEDIANR, 1);
1816 /* select an TE i */
1818 i = queue_shift(&uninstq);
1819 else if (samerepoq.count)
1820 i = queue_shift(&samerepoq);
1821 else if (todo.count)
1823 /* find next repo/media */
1824 for (j = 0; j < todo.count; j++)
1826 if (!j || temedianr[todo.elements[j]] < lastmedia)
1829 lastmedia = temedianr[todo.elements[j]];
1832 lastrepo = pool->solvables[od.tes[todo.elements[i]].p].repo;
1834 /* move all matching TEs to samerepoq */
1835 for (i = j = 0; j < todo.count; j++)
1837 int k = todo.elements[j];
1838 if (temedianr[k] == lastmedia && pool->solvables[od.tes[k].p].repo == lastrepo)
1839 queue_push(&samerepoq, k);
1841 todo.elements[i++] = k;
1845 assert(samerepoq.count);
1846 i = queue_shift(&samerepoq);
1852 queue_push(tr, te->p);
1854 printf("do %s [%d]\n", pool_solvid2str(pool, te->p), temedianr[i]);
1856 s = pool->solvables + te->p;
1857 for (j = te->edges; od.invedgedata[j]; j++)
1859 struct _TransactionElement *te2 = od.tes + od.invedgedata[j];
1860 assert(te2->mark > 0);
1861 if (--te2->mark == 0)
1863 Solvable *s = pool->solvables + te2->p;
1865 printf("free %s [%d]\n", pool_solvid2str(pool, te2->p), temedianr[od.invedgedata[j]]);
1867 if (installed && s->repo == installed)
1868 queue_push(&uninstq, od.invedgedata[j]);
1869 else if (s->repo == lastrepo && temedianr[od.invedgedata[j]] == lastmedia)
1870 queue_push(&samerepoq, od.invedgedata[j]);
1872 queue_push(&todo, od.invedgedata[j]);
1876 solv_free(temedianr);
1878 queue_free(&samerepoq);
1879 queue_free(&uninstq);
1881 for (i = 1, te = od.tes + i; i < numte; i++, te++)
1882 assert(te->mark == 0);
1884 /* add back obsoleted packages */
1885 transaction_add_obsoleted(trans);
1886 assert(tr->count == oldcount);
1888 POOL_DEBUG(SOLV_DEBUG_STATS, "creating new transaction took %d ms\n", solv_timems(now));
1889 POOL_DEBUG(SOLV_DEBUG_STATS, "transaction ordering took %d ms\n", solv_timems(start));
1891 if ((flags & SOLVER_TRANSACTION_KEEP_ORDERDATA) != 0)
1893 trans->orderdata = solv_calloc(1, sizeof(*trans->orderdata));
1894 trans->orderdata->tes = od.tes;
1895 trans->orderdata->ntes = numte;
1896 trans->orderdata->invedgedata = od.invedgedata;
1897 trans->orderdata->ninvedgedata = od.nedgedata;
1902 solv_free(od.invedgedata);
1904 queue_free(&od.cycles);
1905 queue_free(&od.cyclesdata);
1910 transaction_order_add_choices(Transaction *trans, Id chosen, Queue *choices)
1913 struct _TransactionOrderdata *od = trans->orderdata;
1914 struct _TransactionElement *te;
1917 return choices->count;
1920 /* initialization step */
1921 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1923 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1925 for (j = te->edges; od->invedgedata[j]; j++)
1926 od->tes[od->invedgedata[j]].mark++;
1928 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1930 queue_push(choices, te->p);
1931 return choices->count;
1933 for (i = 1, te = od->tes + i; i < od->ntes; i++, te++)
1934 if (te->p == chosen)
1937 return choices->count;
1940 /* hey! out-of-order installation! */
1943 for (j = te->edges; od->invedgedata[j]; j++)
1945 te = od->tes + od->invedgedata[j];
1946 assert(te->mark > 0 || te->mark == -1);
1947 if (te->mark > 0 && --te->mark == 0)
1948 queue_push(choices, te->p);
1950 return choices->count;
1954 transaction_add_obsoleted(Transaction *trans)
1956 Pool *pool = trans->pool;
1957 Repo *installed = pool->installed;
1964 if (!installed || !trans->steps.count)
1966 /* calculate upper bound */
1968 FOR_REPO_SOLVABLES(installed, p, s)
1969 if (MAPTST(&trans->transactsmap, p))
1974 steps = &trans->steps;
1975 queue_insertn(steps, 0, max, 0);
1978 map_init(&done, installed->end - installed->start);
1980 for (j = 0, i = max; i < steps->count; i++)
1982 p = trans->steps.elements[i];
1983 if (pool->solvables[p].repo == installed)
1985 if (!trans->transaction_installed[p - pool->installed->start])
1986 trans->steps.elements[j++] = p;
1989 trans->steps.elements[j++] = p;
1991 transaction_all_obs_pkgs(trans, p, &obsq);
1992 for (k = 0; k < obsq.count; k++)
1994 p = obsq.elements[k];
1995 assert(p >= installed->start && p < installed->end);
1996 if (MAPTST(&done, p - installed->start))
1998 MAPSET(&done, p - installed->start);
1999 trans->steps.elements[j++] = p;
2003 /* free unneeded space */
2004 queue_truncate(steps, j);
2010 transaction_check_pkg(Transaction *trans, Id tepkg, Id pkg, Map *ins, Map *seen, int onlyprereq, Id noconfpkg, int depth)
2012 Pool *pool = trans->pool;
2017 if (MAPTST(seen, pkg))
2020 s = pool->solvables + pkg;
2022 printf("- %*s%c%s\n", depth * 2, "", s->repo == pool->installed ? '-' : '+', pool_solvable2str(pool, s));
2028 reqp = s->repo->idarraydata + s->requires;
2029 while ((req = *reqp++) != 0)
2031 if (req == SOLVABLE_PREREQMARKER)
2036 if (onlyprereq && !inpre)
2038 if (!strncmp(pool_id2str(pool, req), "rpmlib(", 7))
2041 /* first check kept packages, then freshly installed, then not yet uninstalled */
2042 FOR_PROVIDES(p, pp, req)
2044 if (!MAPTST(ins, p))
2046 if (MAPTST(&trans->transactsmap, p))
2049 transaction_check_pkg(trans, tepkg, p, ins, seen, 0, noconfpkg, depth + 1);
2053 FOR_PROVIDES(p, pp, req)
2055 if (!MAPTST(ins, p))
2057 if (pool->solvables[p].repo == pool->installed)
2060 transaction_check_pkg(trans, tepkg, p, ins, seen, 0, noconfpkg, depth + 1);
2065 FOR_PROVIDES(p, pp, req)
2067 if (!MAPTST(ins, p))
2070 transaction_check_pkg(trans, tepkg, p, ins, seen, 0, noconfpkg, depth + 1);
2075 POOL_DEBUG(SOLV_DEBUG_RESULT, " %c%s: nothing provides %s needed by %c%s\n", pool->solvables[tepkg].repo == pool->installed ? '-' : '+', pool_solvid2str(pool, tepkg), pool_dep2str(pool, req), s->repo == pool->installed ? '-' : '+', pool_solvable2str(pool, s));
2082 transaction_check_order(Transaction *trans)
2084 Pool *pool = trans->pool;
2090 POOL_DEBUG(SOLV_DEBUG_RESULT, "\nchecking transaction order...\n");
2091 map_init(&ins, pool->nsolvables);
2092 map_init(&seen, pool->nsolvables);
2093 if (pool->installed)
2094 FOR_REPO_SOLVABLES(pool->installed, p, s)
2097 for (i = 0; i < trans->steps.count; i++)
2099 p = trans->steps.elements[i];
2100 s = pool->solvables + p;
2101 if (s->repo != pool->installed)
2103 if (s->repo != pool->installed)
2105 if (havescripts(pool, p))
2108 transaction_check_pkg(trans, p, p, &ins, &seen, 1, lastins, 0);
2110 if (s->repo == pool->installed)
2115 POOL_DEBUG(SOLV_DEBUG_RESULT, "transaction order check done.\n");