+ for (i = 0, count = plist->count; i < count; i++)
+ {
+ Id p = plist->elements[i];
+ Solvable *s = pool->solvables + p;
+ if ((pool->installed && s->repo == pool->installed) ||
+ MAPTST(&solv->suggestsmap, p) ||
+ solver_is_enhancing(solv, s))
+ continue; /* good package */
+ /* bring to back */
+ if (i < plist->count - 1)
+ {
+ memmove(plist->elements + i, plist->elements + i + 1, (plist->count - 1 - i) * sizeof(Id));
+ plist->elements[plist->count - 1] = p;
+ }
+ i--;
+ count--;
+ }
+}
+
+static int
+sort_by_favorq_cmp(const void *ap, const void *bp, void *dp)
+{
+ const Id *a = ap, *b = bp, *d = dp;
+ return d[b[0]] - d[a[0]];
+}
+
+static void
+sort_by_favorq(Queue *favorq, Id *el, int cnt)
+{
+ int i;
+ /* map to offsets into favorq */
+ for (i = 0; i < cnt; i++)
+ {
+ Id p = el[i];
+ /* lookup p in sorted favorq */
+ int med = 0, low = 0;
+ int high = favorq->count / 2;
+ while (low != high)
+ {
+ med = (low + high) / 2;
+ Id pp = favorq->elements[2 * med];
+ if (pp < p)
+ low = med;
+ else if (pp > p)
+ high = med;
+ else
+ break;
+ }
+ while(med && favorq->elements[2 * med - 2] == p)
+ med--;
+ if (favorq->elements[2 * med] == p)
+ el[i] = 2 * med + 1;
+ else
+ el[i] = 0; /* hmm */
+ }
+ /* sort by position */
+ solv_sort(el, cnt, sizeof(Id), sort_by_favorq_cmp, favorq->elements);
+ /* map back */
+ for (i = 0; i < cnt; i++)
+ if (el[i])
+ el[i] = favorq->elements[el[i] - 1];
+}
+
+/* bring favored packages to front and disfavored packages to back */
+void
+policy_prefer_favored(Solver *solv, Queue *plist)
+{
+ int i, fav, disfav, count;
+ if (!solv->favormap.size)
+ return;
+ for (i = fav = disfav = 0, count = plist->count; i < count; i++)
+ {
+ Id p = plist->elements[i];
+ if (!MAPTST(&solv->favormap, p))
+ continue;
+ if (solv->isdisfavormap.size && MAPTST(&solv->isdisfavormap, p))
+ {
+ /* disfavored package. bring to back */
+ if (i < plist->count - 1)
+ {
+ memmove(plist->elements + i, plist->elements + i + 1, (plist->count - 1 - i) * sizeof(Id));
+ plist->elements[plist->count - 1] = p;
+ }
+ i--;
+ count--;
+ disfav++;
+ }
+ else
+ {
+ /* favored package. bring to front */
+ if (i > fav)
+ memmove(plist->elements + fav + 1, plist->elements + fav, (i - fav) * sizeof(Id));
+ plist->elements[fav++] = p;
+ }
+ }
+ /* if we have multiple favored/disfavored packages, sort by favorq index */
+ if (fav > 1)
+ sort_by_favorq(solv->favorq, plist->elements, fav);
+ if (disfav > 1)
+ sort_by_favorq(solv->favorq, plist->elements + plist->count - disfav, disfav);
+}
+
+/*
+ * prune to recommended/suggested packages.
+ * does not prune installed packages (they are also somewhat recommended).
+ */
+static void
+prune_to_recommended(Solver *solv, Queue *plist)
+{
+ Pool *pool = solv->pool;
+ int i, j, k, ninst;
+ Solvable *s;
+ Id p;
+
+ ninst = 0;
+ if (pool->installed)
+ {
+ for (i = 0; i < plist->count; i++)
+ {
+ p = plist->elements[i];
+ s = pool->solvables + p;
+ if (pool->installed && s->repo == pool->installed)
+ ninst++;
+ }
+ }
+ if (plist->count - ninst < 2)
+ return;
+
+ /* update our recommendsmap/suggestsmap */
+ if (solv->recommends_index < solv->decisionq.count)
+ policy_update_recommendsmap(solv);
+
+ /* prune to recommended/supplemented */
+ ninst = 0;
+ for (i = j = 0; i < plist->count; i++)
+ {
+ p = plist->elements[i];
+ s = pool->solvables + p;
+ if (pool->installed && s->repo == pool->installed)
+ {
+ ninst++;
+ if (j)
+ plist->elements[j++] = p;
+ continue;
+ }
+ if (!MAPTST(&solv->recommendsmap, p))
+ if (!solver_is_supplementing(solv, s))
+ continue;
+ if (!j && ninst)
+ {
+ for (k = 0; j < ninst; k++)
+ {
+ s = pool->solvables + plist->elements[k];
+ if (pool->installed && s->repo == pool->installed)
+ plist->elements[j++] = plist->elements[k];
+ }
+ }
+ plist->elements[j++] = p;
+ }
+ if (j)
+ plist->count = j;
+
+#if 0
+ /* anything left to prune? */
+ if (plist->count - ninst < 2)
+ return;
+
+ /* prune to suggested/enhanced */
+ ninst = 0;
+ for (i = j = 0; i < plist->count; i++)
+ {
+ p = plist->elements[i];
+ s = pool->solvables + p;
+ if (pool->installed && s->repo == pool->installed)
+ {
+ ninst++;
+ if (j)
+ plist->elements[j++] = p;
+ continue;
+ }
+ if (!MAPTST(&solv->suggestsmap, p))
+ if (!solver_is_enhancing(solv, s))
+ continue;
+ if (!j && ninst)
+ {
+ for (k = 0; j < ninst; k++)
+ {
+ s = pool->solvables + plist->elements[k];
+ if (pool->installed && s->repo == pool->installed)
+ plist->elements[j++] = plist->elements[k];
+ }
+ }
+ plist->elements[j++] = p;
+ }
+ if (j)
+ plist->count = j;
+#endif
+}
+
+static void
+prune_to_best_arch(const Pool *pool, Queue *plist)
+{
+ Id a, bestscore;
+ Solvable *s;
+ int i, j;
+
+ if (!pool->id2arch || plist->count < 2)
+ return;
+ bestscore = 0;
+ for (i = 0; i < plist->count; i++)
+ {
+ s = pool->solvables + plist->elements[i];
+ a = s->arch;
+ a = (a <= pool->lastarch) ? pool->id2arch[a] : 0;
+ if (a && a != 1 && (!bestscore || a < bestscore))
+ bestscore = a;
+ }
+ if (!bestscore)
+ return;
+ for (i = j = 0; i < plist->count; i++)
+ {
+ s = pool->solvables + plist->elements[i];
+ a = s->arch;
+ if (a > pool->lastarch)
+ continue;
+ a = pool->id2arch[a];
+ /* a == 1 -> noarch */
+ if (a != 1 && ((a ^ bestscore) & 0xffff0000) != 0)
+ continue;
+ plist->elements[j++] = plist->elements[i];
+ }
+ if (j)
+ plist->count = j;
+}
+
+
+struct trj_data {
+ Pool *pool;
+ Queue *plist;
+ Id *stack;
+ Id nstack;
+ Id *low;
+ Id firstidx;
+ Id idx;
+};
+
+/* This is Tarjan's SCC algorithm, slightly modified */
+static void
+trj_visit(struct trj_data *trj, Id node)
+{
+ Id *low = trj->low;
+ Pool *pool = trj->pool;
+ Queue *plist = trj->plist;
+ Id myidx, stackstart;
+ Solvable *s;
+ int i;
+ Id p, pp, obs, *obsp;
+
+ low[node] = myidx = trj->idx++;
+ trj->stack[(stackstart = trj->nstack++)] = node;
+
+ s = pool->solvables + plist->elements[node];
+ if (s->obsoletes)
+ {
+ obsp = s->repo->idarraydata + s->obsoletes;
+ while ((obs = *obsp++) != 0)
+ {
+ FOR_PROVIDES(p, pp, obs)
+ {
+ Solvable *ps = pool->solvables + p;
+ if (ps->name == s->name)
+ continue;
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
+ continue;
+ if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
+ continue;
+ /* hmm, expensive. should use hash if plist is big */
+ for (i = 0; i < plist->count; i++)
+ {
+ if (node != i && plist->elements[i] == p)
+ {
+ Id l = low[i];
+ if (!l)
+ {
+ if (!ps->obsoletes)
+ {
+ /* don't bother */
+ trj->idx++;
+ low[i] = -1;
+ continue;
+ }
+ trj_visit(trj, i);
+ l = low[i];
+ }
+ if (l < 0)
+ continue;
+ if (l < trj->firstidx)
+ {
+ int k;
+ /* this means we have reached an old SCC found earlier.
+ * delete it as we obsolete it */
+ for (k = l; ; k++)
+ {
+ if (low[trj->stack[k]] == l)
+ low[trj->stack[k]] = -1;
+ else
+ break;
+ }
+ }
+ else if (l < low[node])
+ low[node] = l;
+ }
+ }
+ }
+ }
+ }
+ if (low[node] == myidx) /* found a SCC? */
+ {
+ /* we're only interested in SCCs that contain the first node,
+ * as all others are "obsoleted" */
+ if (myidx != trj->firstidx)
+ myidx = -1;
+ for (i = stackstart; i < trj->nstack; i++)
+ low[trj->stack[i]] = myidx;
+ trj->nstack = stackstart; /* empty stack */
+ }
+}
+
+/*
+ * remove entries from plist that are obsoleted by other entries
+ * with different name.
+ */
+static void
+prune_obsoleted(Pool *pool, Queue *plist)
+{
+ Id data_buf[2 * 16], *data;
+ struct trj_data trj;
+ int i, j;
+ Solvable *s;
+
+ if (plist->count <= 16)
+ {
+ memset(data_buf, 0, sizeof(data_buf));
+ data = data_buf;
+ }
+ else
+ data = solv_calloc(plist->count, 2 * sizeof(Id));
+ trj.pool = pool;
+ trj.plist = plist;
+ trj.low = data;
+ trj.idx = 1;
+ trj.stack = data + plist->count - 1; /* -1 so we can index with idx (which starts with 1) */
+ for (i = 0; i < plist->count; i++)
+ {
+ if (trj.low[i])
+ continue;
+ s = pool->solvables + plist->elements[i];
+ if (s->obsoletes)
+ {
+ trj.firstidx = trj.nstack = trj.idx;
+ trj_visit(&trj, i);
+ }
+ else
+ {
+ Id myidx = trj.idx++;
+ trj.low[i] = myidx;
+ trj.stack[myidx] = i;
+ }
+ }
+ for (i = j = 0; i < plist->count; i++)
+ if (trj.low[i] >= 0)
+ plist->elements[j++] = plist->elements[i];
+ plist->count = j;
+ if (data != data_buf)
+ solv_free(data);
+}
+
+/* this is prune_obsoleted special-cased for two elements */
+static void
+prune_obsoleted_2(Pool *pool, Queue *plist)
+{
+ int i;
+ Solvable *s;
+ Id p, pp, obs, *obsp;
+ Id other;
+ int obmap = 0;
+
+ for (i = 0; i < 2; i++)
+ {
+ s = pool->solvables + plist->elements[i];
+ other = plist->elements[1 - i];
+ if (s->obsoletes)
+ {
+ obsp = s->repo->idarraydata + s->obsoletes;
+ while ((obs = *obsp++) != 0)
+ {
+ FOR_PROVIDES(p, pp, obs)
+ {
+ Solvable *ps;
+ if (p != other)
+ continue;
+ ps = pool->solvables + p;
+ if (ps->name == s->name)
+ continue;
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
+ continue;
+ if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
+ continue;
+ obmap |= 1 << i;
+ break;
+ }
+ if (p)
+ break;
+ }
+ }
+ }
+ if (obmap == 0 || obmap == 3)
+ return;
+ if (obmap == 2)
+ plist->elements[0] = plist->elements[1];
+ plist->count = 1;
+}
+
+/*
+ * bring those elements to the front of the queue that
+ * have a installed solvable with the same name
+ */
+static void
+move_installed_to_front(Pool *pool, Queue *plist)
+{
+ int i, j;
+ Solvable *s;
+ Id p, pp;
+
+ for (i = j = 0; i < plist->count; i++)
+ {
+ s = pool->solvables + plist->elements[i];
+ if (s->repo != pool->installed)
+ {
+ FOR_PROVIDES(p, pp, s->name)
+ {
+ Solvable *ps = pool->solvables + p;
+ if (s->name == ps->name && ps->repo == pool->installed)
+ {
+ s = ps;
+ break;
+ }
+ }
+ }
+ if (s->repo == pool->installed)
+ {
+ if (i != j)
+ {
+ p = plist->elements[i];
+ if (i - j == 1)
+ plist->elements[i] = plist->elements[j];
+ else
+ memmove(plist->elements + j + 1, plist->elements + j, (i - j) * sizeof(Id));
+ plist->elements[j] = p;
+ }
+ else if (j + 2 == plist->count)
+ break; /* no need to check last element if all prev ones are installed */
+ j++;
+ }
+ }
+}
+
+/*
+ * prune_to_best_version
+ *
+ * sort list of packages (given through plist) by name and evr
+ * return result through plist
+ */
+void
+prune_to_best_version(Pool *pool, Queue *plist)
+{
+ int i, j, r;
+ Solvable *s, *best;
+
+ if (plist->count < 2) /* no need to prune for a single entry */
+ return;
+ POOL_DEBUG(SOLV_DEBUG_POLICY, "prune_to_best_version %d\n", plist->count);
+
+ /* sort by name first, prefer installed */
+ solv_sort(plist->elements, plist->count, sizeof(Id), prune_to_best_version_sortcmp, pool);
+
+ /* now find best 'per name' */
+ best = 0;
+ for (i = j = 0; i < plist->count; i++)
+ {
+ s = pool->solvables + plist->elements[i];
+
+ POOL_DEBUG(SOLV_DEBUG_POLICY, "- %s[%s]\n",
+ pool_solvable2str(pool, s),
+ (pool->installed && s->repo == pool->installed) ? "installed" : "not installed");
+
+ if (!best) /* if no best yet, the current is best */
+ {
+ best = s;
+ continue;
+ }
+
+ /* name switch: finish group, re-init */
+ if (best->name != s->name) /* new name */
+ {
+ plist->elements[j++] = best - pool->solvables; /* move old best to front */
+ best = s; /* take current as new best */
+ continue;
+ }
+ r = best->evr != s->evr ? pool_evrcmp(pool, best->evr, s->evr, EVRCMP_COMPARE) : 0;
+#ifdef ENABLE_LINKED_PKGS
+ if (r == 0 && has_package_link(pool, s))
+ r = pool_link_evrcmp(pool, best, s);
+#endif
+ if (r < 0)
+ best = s;
+ }
+ plist->elements[j++] = best - pool->solvables; /* finish last group */
+ plist->count = j;
+
+ /* we reduced the list to one package per name, now look at
+ * package obsoletes */
+ if (plist->count > 1)
+ {
+ if (plist->count == 2)
+ prune_obsoleted_2(pool, plist);
+ else
+ prune_obsoleted(pool, plist);
+ }
+ if (plist->count > 1 && pool->installed)
+ move_installed_to_front(pool, plist);
+}
+
+
+static int
+sort_by_name_evr_sortcmp(const void *ap, const void *bp, void *dp)
+{
+ Pool *pool = dp;
+ Id a, *aa = (Id *)ap;
+ Id b, *bb = (Id *)bp;
+ Id r = aa[1] - bb[1];
+ if (r)
+ return r < 0 ? -1 : 1;
+ if (aa[2] == bb[2])
+ return 0;
+ a = aa[2] < 0 ? -aa[2] : aa[2];
+ b = bb[2] < 0 ? -bb[2] : bb[2];
+ r = pool_evrcmp(pool, b, a, pool->disttype != DISTTYPE_DEB ? EVRCMP_MATCH_RELEASE : EVRCMP_COMPARE);
+ if (!r && (aa[2] < 0 || bb[2] < 0))
+ {
+ if (bb[2] >= 0)
+ return 1;
+ if (aa[2] >= 0)
+ return -1;
+ }
+ return r;
+}
+
+/* common end of sort_by_srcversion and sort_by_common_dep */
+static void
+sort_by_name_evr_array(Pool *pool, Queue *plist, int count, int ent)
+{
+ Id lastname;
+ int i, j, bad, havebad;
+ Id *pp, *elements = plist->elements;
+
+ if (ent < 2)
+ {
+ queue_truncate(plist, count);
+ return;
+ }
+ solv_sort(elements + count * 2, ent, sizeof(Id) * 3, sort_by_name_evr_sortcmp, pool);
+ lastname = 0;
+ bad = havebad = 0;
+ for (i = 0, pp = elements + count * 2; i < ent; i++, pp += 3)
+ {
+ if (lastname && pp[1] == lastname)
+ {
+ if (pp[0] != pp[-3] && sort_by_name_evr_sortcmp(pp - 3, pp, pool) == -1)
+ {
+#if 0
+ printf("%s - %s: bad %s %s - %s\n", pool_solvid2str(pool, elements[pp[-3]]), pool_solvid2str(pool, elements[pp[0]]), pool_dep2str(pool, lastname), pool_id2str(pool, pp[-1] < 0 ? -pp[-1] : pp[-1]), pool_id2str(pool, pp[2] < 0 ? -pp[2] : pp[2]));
+#endif
+ bad++;
+ havebad = 1;
+ }
+ }
+ else
+ {
+ bad = 0;
+ lastname = pp[1];
+ }
+ elements[count + pp[0]] += bad;
+ }
+
+#if 0
+for (i = 0; i < count; i++)
+ printf("%s badness %d\n", pool_solvid2str(pool, elements[i]), elements[count + i]);
+#endif
+
+ if (havebad)
+ {
+ /* simple stable insertion sort */
+ if (pool->installed)
+ for (i = 0; i < count; i++)
+ if (pool->solvables[elements[i]].repo == pool->installed)
+ elements[i + count] = 0;
+ for (i = 1; i < count; i++)
+ for (j = i, pp = elements + count + j; j > 0; j--, pp--)
+ if (pp[-1] > pp[0])
+ {
+ Id *pp2 = pp - count;
+ Id p = pp[-1];
+ pp[-1] = pp[0];
+ pp[0] = p;
+ p = pp2[-1];
+ pp2[-1] = pp2[0];
+ pp2[0] = p;
+ }
+ else
+ break;
+ }
+ queue_truncate(plist, count);
+}
+
+#if 0
+static void
+sort_by_srcversion(Pool *pool, Queue *plist)
+{
+ int i, count = plist->count, ent = 0;
+ queue_insertn(plist, count, count, 0);
+ for (i = 0; i < count; i++)
+ {
+ Id name, evr, p = plist->elements[i];
+ Solvable *s = pool->solvables + p;
+ if (solvable_lookup_void(s, SOLVABLE_SOURCENAME))
+ name = s->name;
+ else
+ name = solvable_lookup_id(s, SOLVABLE_SOURCENAME);
+ if (solvable_lookup_void(s, SOLVABLE_SOURCEEVR))
+ evr = s->evr;
+ else
+ evr = solvable_lookup_id(s, SOLVABLE_SOURCEEVR);
+ if (!name || !evr || ISRELDEP(evr))
+ continue;
+ queue_push(plist, i);
+ queue_push2(plist, name, evr);
+ ent++;
+ }
+ sort_by_name_evr_array(pool, plist, count, ent);
+}
+#endif
+
+static void
+sort_by_common_dep(Pool *pool, Queue *plist)
+{
+ int i, count = plist->count, ent = 0;
+ Id id, *dp;
+ queue_insertn(plist, count, count, 0);
+ for (i = 0; i < count; i++)
+ {
+ Id p = plist->elements[i];
+ Solvable *s = pool->solvables + p;
+ if (!s->provides)
+ continue;
+ for (dp = s->repo->idarraydata + s->provides; (id = *dp++) != 0; )
+ {
+ Reldep *rd;
+ if (!ISRELDEP(id))
+ continue;
+ rd = GETRELDEP(pool, id);
+ if ((rd->flags == REL_EQ || rd->flags == (REL_EQ | REL_LT) || rd->flags == REL_LT) && !ISRELDEP(rd->evr))
+ {
+ if (rd->flags == REL_EQ)
+ {
+ /* ignore hashes */
+ const char *s = pool_id2str(pool, rd->evr);
+ if (strlen(s) >= 4)
+ {
+ while ((*s >= 'a' && *s <= 'f') || (*s >= '0' && *s <= '9'))
+ s++;
+ if (!*s)
+ continue;
+ }
+ }
+ queue_push(plist, i);
+ queue_push2(plist, rd->name, rd->flags == REL_LT ? -rd->evr : rd->evr);
+ ent++;
+ }
+ }
+ }
+ sort_by_name_evr_array(pool, plist, count, ent);
+}
+
+/* check if we have an update candidate */
+static void
+dislike_old_versions(Pool *pool, Queue *plist)
+{
+ int i, count;
+
+ for (i = 0, count = plist->count; i < count; i++)
+ {
+ Id p = plist->elements[i];
+ Solvable *s = pool->solvables + p;
+ Repo *repo = s->repo;
+ Id q, qq;
+ int bad = 0;
+
+ if (!repo || repo == pool->installed)
+ continue;
+ FOR_PROVIDES(q, qq, s->name)
+ {
+ Solvable *qs = pool->solvables + q;
+ if (q == p)
+ continue;
+ if (s->name != qs->name || s->arch != qs->arch)
+ continue;
+ if (repo->priority != qs->repo->priority)
+ {
+ if (repo->priority > qs->repo->priority)
+ continue;
+ bad = 1;
+ break;
+ }
+ if (pool_evrcmp(pool, qs->evr, s->evr, EVRCMP_COMPARE) > 0)
+ {
+ bad = 1;
+ break;
+ }
+ }
+ if (!bad)
+ continue;
+ /* bring to back */
+ if (i < plist->count - 1)
+ {
+ memmove(plist->elements + i, plist->elements + i + 1, (plist->count - 1 - i) * sizeof(Id));
+ plist->elements[plist->count - 1] = p;
+ }
+ i--;
+ count--;
+ }
+}
+
+
+/* special lang package handling for urpm */
+/* see https://bugs.mageia.org/show_bug.cgi?id=18315 */
+
+static int
+urpm_reorder_cmp(const void *ap, const void *bp, void *dp)
+{
+ return ((Id *)bp)[1] - ((Id *)ap)[1];
+}
+
+static void
+urpm_reorder(Solver *solv, Queue *plist)
+{
+ Pool *pool = solv->pool;
+ int i, count = plist->count;
+ /* add locale score to packages */
+ queue_insertn(plist, count, count, 0);
+ for (i = count - 1; i >= 0; i--)
+ {
+ Solvable *s = pool->solvables + plist->elements[i];
+ int score = 1;
+ const char *sn = pool_id2str(pool, s->name);
+
+ if (!strncmp(sn, "kernel-", 7))
+ {
+ const char *devel = strstr(sn, "-devel-");
+ if (devel && strlen(sn) < 256)
+ {
+ char kn[256];
+ Id p, pp, knid;
+ memcpy(kn, sn, devel - sn);
+ strcpy(kn + (devel - sn), devel + 6);
+ knid = pool_str2id(pool, kn, 0);
+ if (knid)
+ {
+ FOR_PROVIDES(p, pp, knid)
+ {
+ if (solv->decisionmap[p] > 0)
+ {
+ score = 4;
+ break;
+ }
+ else if (pool->installed && pool->solvables[p].repo == pool->installed)
+ score = 3;
+ }
+ }
+ }
+ }
+ else if ((sn = strstr(sn, "-kernel-")) != 0)
+ {
+ sn += 8;
+ if (strlen(sn) < 256 - 8 && *sn >= '0' && *sn <= '9' && sn[1] == '.')
+ {
+ const char *flavor = strchr(sn, '-');
+ if (flavor)
+ {
+ const char *release = strchr(flavor + 1, '-');
+ if (release)
+ {
+ char kn[256];
+ Id p, pp, knid;
+ memcpy(kn, "kernel", 8);
+ memcpy(kn + 6, flavor, release - flavor + 1);
+ memcpy(kn + 6 + (release - flavor) + 1, sn, flavor - sn);
+ strcpy(kn + 6 + (release + 1 - sn), release);
+ knid = pool_str2id(pool, kn, 0);
+ if (knid)
+ {
+ FOR_PROVIDES(p, pp, knid)
+ {
+ if (solv->decisionmap[p] > 0)
+ {
+ score = 4;
+ break;
+ }
+ if (pool->installed && pool->solvables[p].repo == pool->installed)
+ score = 3;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (score == 1 && s->requires)
+ {
+ Id id, *idp, p, pp;
+ const char *deps;
+ for (idp = s->repo->idarraydata + s->requires; (id = *idp) != 0; idp++)
+ {
+ while (ISRELDEP(id))
+ {
+ Reldep *rd = GETRELDEP(pool, id);
+ id = rd->name;
+ }
+ deps = strstr(pool_id2str(pool, id), "locales-");
+ if (!deps)
+ continue;
+ if (!strncmp(deps + 8, "en", 2))
+ score = 2;
+ else
+ {
+ score = 0;
+ FOR_PROVIDES(p, pp, id)
+ {
+ if (solv->decisionmap[p] > 0)
+ {
+ score = 4;
+ break;
+ }
+ if (pool->installed && pool->solvables[p].repo == pool->installed)
+ score = 3;
+ }
+ break;
+ }
+ }
+ }
+ plist->elements[i * 2] = plist->elements[i];
+ plist->elements[i * 2 + 1] = score;
+ }
+ solv_sort(plist->elements, count, sizeof(Id) * 2, urpm_reorder_cmp, pool);
+ for (i = 0; i < count; i++)
+ plist->elements[i] = plist->elements[2 * i];
+ queue_truncate(plist, count);
+}
+
+
+/*
+ * POLICY_MODE_CHOOSE: default, do all pruning steps
+ * POLICY_MODE_RECOMMEND: leave out prune_to_recommended
+ * POLICY_MODE_SUGGEST: leave out prune_to_recommended, do prio pruning just per name
+ */
+void
+policy_filter_unwanted(Solver *solv, Queue *plist, int mode)
+{
+ Pool *pool = solv->pool;
+ if (mode == POLICY_MODE_SUPPLEMENT)
+ {
+ /* reorder only */
+ dislike_old_versions(pool, plist);
+ sort_by_common_dep(pool, plist);
+ if (solv->urpmreorder)
+ urpm_reorder(solv, plist);
+ prefer_suggested(solv, plist);
+ policy_prefer_favored(solv, plist);
+ return;
+ }
+ if (plist->count > 1)
+ {
+ if (mode != POLICY_MODE_SUGGEST)
+ solver_prune_to_highest_prio(solv, plist);
+ else
+ solver_prune_to_highest_prio_per_name(solv, plist);
+ }
+ if (plist->count > 1)
+ prune_to_best_arch(pool, plist);
+ if (plist->count > 1)
+ prune_to_best_version(pool, plist);
+ if (plist->count > 1 && (mode == POLICY_MODE_CHOOSE || mode == POLICY_MODE_CHOOSE_NOREORDER))
+ {
+ prune_to_recommended(solv, plist);
+ if (plist->count > 1 && mode != POLICY_MODE_CHOOSE_NOREORDER)
+ {
+ /* do some fancy reordering */
+#if 0
+ sort_by_srcversion(pool, plist);
+#endif
+ dislike_old_versions(pool, plist);
+ sort_by_common_dep(pool, plist);
+ if (solv->urpmreorder)
+ urpm_reorder(solv, plist);
+ prefer_suggested(solv, plist);
+ policy_prefer_favored(solv, plist);
+ }
+ }
+}
+
+void
+pool_best_solvables(Pool *pool, Queue *plist, int flags)
+{
+ if (plist->count > 1)
+ prune_to_highest_prio(pool, plist);
+ if (plist->count > 1)
+ prune_to_best_arch(pool, plist);
+ if (plist->count > 1)
+ prune_to_best_version(pool, plist);
+ if (plist->count > 1)
+ {
+ dislike_old_versions(pool, plist);
+ sort_by_common_dep(pool, plist);
+ }
+}
+
+
+/* check if there is an illegal architecture change if
+ * installed solvable s1 is replaced by s2 */