#include <string.h>
#include "solver.h"
+#include "solver_private.h"
#include "evr.h"
#include "policy.h"
#include "poolvendor.h"
#include "poolarch.h"
+#include "linkedpkg.h"
+#include "cplxdeps.h"
-static Solver *prune_to_best_version_sortcmp_data;
/*-----------------------------------------------------------------*/
/*
- * prep for prune_best_version_arch
+ * prep for prune_best_version
* sort by name
*/
static int
-prune_to_best_version_sortcmp(const void *ap, const void *bp)
+prune_to_best_version_sortcmp(const void *ap, const void *bp, void *dp)
{
- Solver *solv = prune_to_best_version_sortcmp_data;
- Pool *pool = solv->pool;
+ Pool *pool = dp;
int r;
Id a = *(Id *)ap;
Id b = *(Id *)bp;
const char *na, *nb;
/* different names. We use real strcmp here so that the result
* is not depending on some random solvable order */
- na = id2str(pool, sa->name);
- nb = id2str(pool, sb->name);
+ na = pool_id2str(pool, sa->name);
+ nb = pool_id2str(pool, sb->name);
return strcmp(na, nb);
}
+ if (sa->arch != sb->arch)
+ {
+ int aa, ab;
+ aa = (sa->arch <= pool->lastarch) ? pool->id2arch[sa->arch] : 0;
+ ab = (sb->arch <= pool->lastarch) ? pool->id2arch[sb->arch] : 0;
+ if (aa != ab && aa > 1 && ab > 1)
+ return aa - ab; /* lowest score first */
+ }
+
/* the same name, bring installed solvables to the front */
- if (solv->installed)
+ if (pool->installed)
{
- if (sa->repo == solv->installed)
+ if (sa->repo == pool->installed)
{
- if (sb->repo != solv->installed)
+ if (sb->repo != pool->installed)
return -1;
}
- else if (sb->repo == solv->installed)
+ else if (sb->repo == pool->installed)
return 1;
}
/* sort by repository sub-prio (installed repo handled above) */
}
+/* installed packages involed in a dup operation can only be kept
+ * if they are identical to a non-installed one */
+static void
+solver_prune_installed_dup_packages(Solver *solv, Queue *plist)
+{
+ Pool *pool = solv->pool;
+ int i, j, bestprio = 0;
+
+ /* find bestprio (again) */
+ for (i = 0; i < plist->count; i++)
+ {
+ Solvable *s = pool->solvables + plist->elements[i];
+ if (s->repo != pool->installed)
+ {
+ bestprio = s->repo->priority;
+ break;
+ }
+ }
+ if (i == plist->count)
+ return; /* only installed packages, could not find prio */
+ for (i = j = 0; i < plist->count; i++)
+ {
+ Id p = plist->elements[i];
+ Solvable *s = pool->solvables + p;
+ if (s->repo != pool->installed && s->repo->priority < bestprio)
+ continue;
+ if (s->repo == pool->installed && (solv->dupmap_all || (solv->dupinvolvedmap.size && MAPTST(&solv->dupinvolvedmap, p))))
+ {
+ Id p2, pp2;
+ int keepit = 0;
+ FOR_PROVIDES(p2, pp2, s->name)
+ {
+ Solvable *s2 = pool->solvables + p2;
+ if (s2->repo == pool->installed || s2->evr != s->evr || s2->repo->priority < bestprio)
+ continue;
+ if (!solvable_identical(s, s2))
+ continue;
+ keepit = 1;
+ if (s2->repo->priority > bestprio)
+ {
+ /* new max prio! */
+ bestprio = s2->repo->priority;
+ j = 0;
+ }
+ }
+ if (!keepit)
+ continue; /* no identical package found, ignore installed package */
+ }
+ plist->elements[j++] = p;
+ }
+ if (j)
+ plist->count = j;
+}
+
/*
- * prune to recommended/suggested packages.
- * does not prune installed packages (they are also somewhat recommended).
+ * like prune_to_highest_prio, but calls solver prune_installed_dup_packages
+ * when there are dup packages
*/
+static inline void
+solver_prune_to_highest_prio(Solver *solv, Queue *plist)
+{
+ prune_to_highest_prio(solv->pool, plist);
+ if (plist->count > 1 && solv->pool->installed && (solv->dupmap_all || solv->dupinvolvedmap.size))
+ solver_prune_installed_dup_packages(solv, plist);
+}
+
static void
-prune_to_recommended(Solver *solv, Queue *plist)
+solver_prune_to_highest_prio_per_name(Solver *solv, Queue *plist)
{
Pool *pool = solv->pool;
- int i, j, k, ninst;
- Solvable *s;
- Id p, pp, rec, *recp, sug, *sugp;
+ Queue pq;
+ int i, j, k;
+ Id name;
- ninst = 0;
- if (pool->installed)
+ queue_init(&pq);
+ solv_sort(plist->elements, plist->count, sizeof(Id), prune_to_best_version_sortcmp, pool);
+ queue_push(&pq, plist->elements[0]);
+ name = pool->solvables[pq.elements[0]].name;
+ for (i = 1, j = 0; i < plist->count; i++)
{
- for (i = 0; i < plist->count; i++)
+ if (pool->solvables[plist->elements[i]].name != name)
{
- p = plist->elements[i];
- s = pool->solvables + p;
- if (pool->installed && s->repo == pool->installed)
- ninst++;
+ if (pq.count > 2)
+ solver_prune_to_highest_prio(solv, &pq);
+ for (k = 0; k < pq.count; k++)
+ plist->elements[j++] = pq.elements[k];
+ queue_empty(&pq);
+ queue_push(&pq, plist->elements[i]);
+ name = pool->solvables[pq.elements[0]].name;
}
}
- if (plist->count - ninst < 2)
- return;
+ if (pq.count > 2)
+ solver_prune_to_highest_prio(solv, &pq);
+ for (k = 0; k < pq.count; k++)
+ plist->elements[j++] = pq.elements[k];
+ queue_free(&pq);
+ plist->count = j;
+}
+
+
+#ifdef ENABLE_COMPLEX_DEPS
+
+/* simple fixed-size hash for package ids */
+#define CPLXDEPHASH_EMPTY(elements) (memset(elements, 0, sizeof(Id) * 256))
+#define CPLXDEPHASH_SET(elements, p) (elements[(p) & 255] |= (1 << ((p) >> 8 & 31)))
+#define CPLXDEPHASH_TST(elements, p) (elements[(p) & 255] && (elements[(p) & 255] & (1 << ((p) >> 8 & 31))))
+
+static void
+check_complex_dep(Solver *solv, Id dep, Map *m, Queue **cqp)
+{
+ Pool *pool = solv->pool;
+ Queue q;
+ queue_init(&q);
+ Id p;
+ int i, qcnt;
+
+#if 0
+ printf("check_complex_dep %s\n", pool_dep2str(pool, dep));
+#endif
+ i = pool_normalize_complex_dep(pool, dep, &q, CPLXDEPS_EXPAND);
+ if (i == 0 || i == 1)
+ {
+ queue_free(&q);
+ return;
+ }
+ qcnt = q.count;
+ for (i = 0; i < qcnt; i++)
+ {
+ /* we rely on the fact that blocks are ordered here.
+ * if we reach a positive element, we know that we
+ * saw all negative ones */
+ for (; (p = q.elements[i]) < 0; i++)
+ {
+ if (solv->decisionmap[-p] < 0)
+ break;
+ if (solv->decisionmap[-p] == 0)
+ queue_push(&q, -p); /* undecided negative literal */
+ }
+ if (p <= 0)
+ {
+#if 0
+ printf("complex dep block cannot be true or no pos literals\n");
+#endif
+ while (q.elements[i])
+ i++;
+ if (qcnt != q.count)
+ queue_truncate(&q, qcnt);
+ continue;
+ }
+ if (qcnt == q.count)
+ {
+ /* all negative literals installed, add positive literals to map */
+ for (; (p = q.elements[i]) != 0; i++)
+ MAPSET(m, p);
+ }
+ else
+ {
+ /* at least one undecided negative literal, postpone */
+ int j, k;
+ Queue *cq;
+#if 0
+ printf("add new complex dep block\n");
+ for (j = qcnt; j < q.count; j++)
+ printf(" - %s\n", pool_solvid2str(pool, q.elements[j]));
+#endif
+ while (q.elements[i])
+ i++;
+ if (!(cq = *cqp))
+ {
+ cq = solv_calloc(1, sizeof(Queue));
+ queue_init(cq);
+ queue_insertn(cq, 0, 256, 0); /* allocate hash area */
+ *cqp = cq;
+ }
+ for (j = qcnt; j < q.count; j++)
+ {
+ p = q.elements[j];
+ /* check if we already have this (dep, p) entry */
+ for (k = 256; k < cq->count; k += 2)
+ if (cq->elements[k + 1] == dep && cq->elements[k] == p)
+ break;
+ if (k == cq->count)
+ {
+ /* a new one. add to cq and hash */
+ queue_push2(cq, p, dep);
+ CPLXDEPHASH_SET(cq->elements, p);
+ }
+ }
+ queue_truncate(&q, qcnt);
+ }
+ }
+ queue_free(&q);
+}
+
+static void
+recheck_complex_deps(Solver *solv, Id p, Map *m, Queue **cqp)
+{
+ Queue *cq = *cqp;
+ Id pp;
+ int i;
+#if 0
+ printf("recheck_complex_deps for package %s\n", pool_solvid2str(solv->pool, p));
+#endif
+ /* make sure that we don't have a false hit */
+ for (i = 256; i < cq->count; i += 2)
+ if (cq->elements[i] == p)
+ break;
+ if (i == cq->count)
+ return; /* false alert */
+ if (solv->decisionmap[p] <= 0)
+ return; /* just in case... */
+
+ /* rebuild the hash, call check_complex_dep for our package */
+ CPLXDEPHASH_EMPTY(cq->elements);
+ for (i = 256; i < cq->count; i += 2)
+ if ((pp = cq->elements[i]) == p)
+ {
+ Id dep = cq->elements[i + 1];
+ queue_deleten(cq, i, 2);
+ i -= 2;
+ check_complex_dep(solv, dep, m, &cq);
+ }
+ else
+ CPLXDEPHASH_SET(cq->elements, pp);
+}
+
+#endif
+
+
+void
+policy_update_recommendsmap(Solver *solv)
+{
+ Pool *pool = solv->pool;
+ Solvable *s;
+ Id p, pp, rec, *recp, sug, *sugp;
- /* update our recommendsmap/suggestsmap */
if (solv->recommends_index < 0)
{
MAPZERO(&solv->recommendsmap);
MAPZERO(&solv->suggestsmap);
+#ifdef ENABLE_COMPLEX_DEPS
+ if (solv->recommendscplxq)
+ {
+ queue_free(solv->recommendscplxq);
+ solv->recommendscplxq = solv_free(solv->recommendscplxq);
+ }
+ if (solv->suggestscplxq)
+ {
+ queue_free(solv->suggestscplxq);
+ solv->suggestscplxq = solv_free(solv->suggestscplxq);
+ }
+#endif
solv->recommends_index = 0;
}
while (solv->recommends_index < solv->decisionq.count)
if (p < 0)
continue;
s = pool->solvables + p;
+#ifdef ENABLE_COMPLEX_DEPS
+ /* re-check postponed complex blocks */
+ if (solv->recommendscplxq && CPLXDEPHASH_TST(solv->recommendscplxq->elements, p))
+ recheck_complex_deps(solv, p, &solv->recommendsmap, &solv->recommendscplxq);
+ if (solv->suggestscplxq && CPLXDEPHASH_TST(solv->suggestscplxq->elements, p))
+ recheck_complex_deps(solv, p, &solv->suggestsmap, &solv->suggestscplxq);
+#endif
if (s->recommends)
{
recp = s->repo->idarraydata + s->recommends;
while ((rec = *recp++) != 0)
- FOR_PROVIDES(p, pp, rec)
- MAPSET(&solv->recommendsmap, p);
+ {
+#ifdef ENABLE_COMPLEX_DEPS
+ if (pool_is_complex_dep(pool, rec))
+ {
+ check_complex_dep(solv, rec, &solv->recommendsmap, &solv->recommendscplxq);
+ continue;
+ }
+#endif
+ FOR_PROVIDES(p, pp, rec)
+ MAPSET(&solv->recommendsmap, p);
+ }
}
if (s->suggests)
{
sugp = s->repo->idarraydata + s->suggests;
while ((sug = *sugp++) != 0)
- FOR_PROVIDES(p, pp, sug)
- MAPSET(&solv->suggestsmap, p);
+ {
+#ifdef ENABLE_COMPLEX_DEPS
+ if (pool_is_complex_dep(pool, sug))
+ {
+ check_complex_dep(solv, sug, &solv->suggestsmap, &solv->suggestscplxq);
+ continue;
+ }
+#endif
+ FOR_PROVIDES(p, pp, sug)
+ MAPSET(&solv->suggestsmap, p);
+ }
+ }
+ }
+}
+
+/* bring suggested/enhanced packages to front
+ * installed packages count as suggested */
+static void
+prefer_suggested(Solver *solv, Queue *plist)
+{
+ Pool *pool = solv->pool;
+ int i, count;
+
+ /* update our recommendsmap/suggestsmap */
+ if (solv->recommends_index < solv->decisionq.count)
+ policy_update_recommendsmap(solv);
+
+ 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;
if (j)
plist->count = j;
+#if 0
/* anything left to prune? */
if (plist->count - ninst < 2)
return;
- /* prune to suggested/enhanced*/
+ /* prune to suggested/enhanced */
ninst = 0;
for (i = j = 0; i < plist->count; i++)
{
}
if (j)
plist->count = j;
+#endif
}
-void
-prune_to_best_arch(Pool *pool, Queue *plist)
+static void
+prune_to_best_arch(const Pool *pool, Queue *plist)
{
Id a, bestscore;
Solvable *s;
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];
plist->count = 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(Solver *solv, Queue *plist)
+
+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)
{
- Pool *pool = solv->pool;
- Id best;
- int i, j;
+ Id *low = trj->low;
+ Pool *pool = trj->pool;
+ Queue *plist = trj->plist;
+ Id myidx, stackstart;
Solvable *s;
+ int i;
+ Id p, pp, obs, *obsp;
- if (plist->count < 2) /* no need to prune for a single entry */
- return;
- POOL_DEBUG(SAT_DEBUG_POLICY, "prune_to_best_version %d\n", plist->count);
+ low[node] = myidx = trj->idx++;
+ trj->stack[(stackstart = trj->nstack++)] = node;
- prune_to_best_version_sortcmp_data = solv;
- /* sort by name first, prefer installed */
- qsort(plist->elements, plist->count, sizeof(Id), prune_to_best_version_sortcmp);
-
- /* delete obsoleted. hmm, looks expensive! */
- /* FIXME maybe also check provides depending on noupdateprovide? */
- /* FIXME do not prune cycles */
- for (i = 0; i < plist->count; i++)
+ s = pool->solvables + plist->elements[node];
+ if (s->obsoletes)
{
- Id p, pp, obs, *obsp;
- s = pool->solvables + plist->elements[i];
- if (!s->obsoletes)
- continue;
obsp = s->repo->idarraydata + s->obsoletes;
while ((obs = *obsp++) != 0)
{
FOR_PROVIDES(p, pp, obs)
{
- if (pool->solvables[p].name == s->name)
+ Solvable *ps = pool->solvables + p;
+ if (ps->name == s->name)
continue;
- if (!solv->obsoleteusesprovides && !pool_match_nevr(pool, pool->solvables + p, obs))
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
continue;
- for (j = 0; j < plist->count; j++)
+ 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 (i == j)
- continue;
- if (plist->elements[j] == p)
- plist->elements[j] = 0;
+ 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;
+ }
}
}
}
}
- /* delete zeroed out queue entries */
+ 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 (plist->elements[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;
{
s = pool->solvables + plist->elements[i];
- POOL_DEBUG(SAT_DEBUG_POLICY, "- %s[%s]\n",
- solvable2str(pool, s),
- (solv->installed && s->repo == solv->installed) ? "installed" : "not installed");
+ 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 */
+ if (!best) /* if no best yet, the current is best */
{
- best = plist->elements[i];
+ best = s;
continue;
}
- /* name switch: re-init */
- if (pool->solvables[best].name != s->name) /* new name */
+ /* name switch: finish group, re-init */
+ if (best->name != s->name) /* new name */
{
- plist->elements[j++] = best; /* move old best to front */
- best = plist->elements[i]; /* take current as new best */
+ 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;
- if (pool->solvables[best].evr != s->evr) /* compare evr */
- {
- if (evrcmp(pool, pool->solvables[best].evr, s->evr, EVRCMP_COMPARE) < 0)
- best = plist->elements[i];
- }
+ /* 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);
+}
- if (!best)
- best = plist->elements[0];
- plist->elements[j++] = best;
- plist->count = j;
+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;
-/* legacy, do not use anymore!
- * (rates arch higher than version, but thats a policy)
- */
+ 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;
+ }
-void
-prune_best_arch_name_version(Solver *solv, Pool *pool, Queue *plist)
+#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)
{
- if (solv && solv->bestSolvableCb)
- { /* The application is responsible for */
- return solv->bestSolvableCb(solv->pool, 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
- if (plist->count > 1)
- prune_to_best_arch(pool, plist);
- if (plist->count > 1)
- prune_to_best_version(solv, plist);
+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 (plist->count > 1 && mode != POLICY_MODE_SUGGEST)
+ 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 && mode == POLICY_MODE_CHOOSE)
- prune_to_recommended(solv, plist);
- prune_best_arch_name_version(solv, 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 */
int
policy_illegal_archchange(Solver *solv, Solvable *s1, Solvable *s2)
{
Pool *pool = solv->pool;
Id a1 = s1->arch, a2 = s2->arch;
- if (solv && solv->archCheckCb)
- { /* The application is responsible for */
- return solv->archCheckCb(solv->pool, s1, s2);
- }
-
/* we allow changes to/from noarch */
- if (a1 == a2 || a1 == ARCH_NOARCH || a2 == ARCH_NOARCH)
+ if (a1 == a2 || a1 == pool->noarchid || a2 == pool->noarchid)
return 0;
if (!pool->id2arch)
return 0;
return 0;
}
+/* check if there is an illegal vendor change if
+ * installed solvable s1 is replaced by s2 */
int
policy_illegal_vendorchange(Solver *solv, Solvable *s1, Solvable *s2)
{
Pool *pool = solv->pool;
+ Id v1, v2;
Id vendormask1, vendormask2;
- if (solv && solv->vendorCheckCb)
- { /* The application is responsible for */
- return solv->vendorCheckCb(solv->pool, s1, s2);
- }
+ if (pool->custom_vendorcheck)
+ return pool->custom_vendorcheck(pool, s1, s2);
- if (s1->vendor == s2->vendor)
+ /* treat a missing vendor as empty string */
+ v1 = s1->vendor ? s1->vendor : ID_EMPTY;
+ v2 = s2->vendor ? s2->vendor : ID_EMPTY;
+ if (v1 == v2)
return 0;
- vendormask1 = pool_vendor2mask(pool, s1->vendor);
+ vendormask1 = pool_vendor2mask(pool, v1);
if (!vendormask1)
+ return 1; /* can't match */
+ vendormask2 = pool_vendor2mask(pool, v2);
+ if ((vendormask1 & vendormask2) != 0)
return 0;
- vendormask2 = pool_vendor2mask(pool, s2->vendor);
- if ((vendormask1 & vendormask2) == 0)
- return 0;
- return 1;
+ return 1; /* no class matches */
+}
+
+/* check if it is illegal to replace installed
+ * package "is" with package "s" (which must obsolete "is")
+ */
+int
+policy_is_illegal(Solver *solv, Solvable *is, Solvable *s, int ignore)
+{
+ Pool *pool = solv->pool;
+ int ret = 0;
+ int duppkg = solv->dupmap_all ? 1 : 0;
+ if (!(ignore & POLICY_ILLEGAL_DOWNGRADE) && !(duppkg ? solv->dup_allowdowngrade : solv->allowdowngrade))
+ {
+ if (is->name == s->name && pool_evrcmp(pool, is->evr, s->evr, EVRCMP_COMPARE) > 0)
+ ret |= POLICY_ILLEGAL_DOWNGRADE;
+ }
+ if (!(ignore & POLICY_ILLEGAL_ARCHCHANGE) && !(duppkg ? solv->dup_allowarchchange : solv->allowarchchange))
+ {
+ if (is->arch != s->arch && policy_illegal_archchange(solv, is, s))
+ ret |= POLICY_ILLEGAL_ARCHCHANGE;
+ }
+ if (!(ignore & POLICY_ILLEGAL_VENDORCHANGE) && !(duppkg ? solv->dup_allowvendorchange : solv->allowvendorchange))
+ {
+ if (is->vendor != s->vendor && policy_illegal_vendorchange(solv, is, s))
+ ret |= POLICY_ILLEGAL_VENDORCHANGE;
+ }
+ if (!(ignore & POLICY_ILLEGAL_NAMECHANGE) && !(duppkg ? solv->dup_allownamechange : solv->allownamechange))
+ {
+ if (is->name != s->name)
+ ret |= POLICY_ILLEGAL_NAMECHANGE;
+ }
+ return ret;
+}
+
+/*-------------------------------------------------------------------
+ *
+ * create reverse obsoletes map for installed solvables
+ *
+ * For each installed solvable find which packages with *different* names
+ * obsolete the solvable.
+ * This index is used in policy_findupdatepackages() below.
+ */
+void
+policy_create_obsolete_index(Solver *solv)
+{
+ Pool *pool = solv->pool;
+ Solvable *s;
+ Repo *installed = solv->installed;
+ Id p, pp, obs, *obsp, *obsoletes, *obsoletes_data;
+ int i, n, cnt;
+
+ solv->obsoletes = solv_free(solv->obsoletes);
+ solv->obsoletes_data = solv_free(solv->obsoletes_data);
+ if (!installed || installed->start == installed->end)
+ return;
+ cnt = installed->end - installed->start;
+ solv->obsoletes = obsoletes = solv_calloc(cnt, sizeof(Id));
+ for (i = 1; i < pool->nsolvables; i++)
+ {
+ s = pool->solvables + i;
+ if (!s->obsoletes)
+ continue;
+ if (!pool_installable(pool, s))
+ continue;
+ obsp = s->repo->idarraydata + s->obsoletes;
+ while ((obs = *obsp++) != 0)
+ {
+ FOR_PROVIDES(p, pp, obs)
+ {
+ Solvable *ps = pool->solvables + p;;
+ if (ps->repo != installed)
+ continue;
+ 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;
+ obsoletes[p - installed->start]++;
+ }
+ }
+ }
+ n = 0;
+ for (i = 0; i < cnt; i++)
+ if (obsoletes[i])
+ {
+ n += obsoletes[i] + 1;
+ obsoletes[i] = n;
+ }
+ solv->obsoletes_data = obsoletes_data = solv_calloc(n + 1, sizeof(Id));
+ POOL_DEBUG(SOLV_DEBUG_STATS, "obsoletes data: %d entries\n", n + 1);
+ for (i = pool->nsolvables - 1; i > 0; i--)
+ {
+ s = pool->solvables + i;
+ if (!s->obsoletes)
+ continue;
+ if (!pool_installable(pool, s))
+ continue;
+ obsp = s->repo->idarraydata + s->obsoletes;
+ while ((obs = *obsp++) != 0)
+ {
+ FOR_PROVIDES(p, pp, obs)
+ {
+ Solvable *ps = pool->solvables + p;;
+ if (ps->repo != installed)
+ continue;
+ 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;
+ if (obsoletes_data[obsoletes[p - installed->start]] != i)
+ obsoletes_data[--obsoletes[p - installed->start]] = i;
+ }
+ }
+ }
}
/*
* find update candidates
- *
- * s: solvable to be updated
+ *
+ * s: installed solvable to be updated
* qs: [out] queue to hold Ids of candidates
* allow_all: 0 = dont allow downgrades, 1 = allow all candidates
- *
+ * 2 = dup mode
+ *
*/
void
policy_findupdatepackages(Solver *solv, Solvable *s, Queue *qs, int allow_all)
Id p, pp, n, p2, pp2;
Id obs, *obsp;
Solvable *ps;
+ int haveprovobs = 0;
+ int allowdowngrade = allow_all ? 1 : solv->allowdowngrade;
+ int allownamechange = allow_all ? 1 : solv->allownamechange;
+ int allowarchchange = allow_all ? 1 : solv->allowarchchange;
+ int allowvendorchange = allow_all ? 1 : solv->allowvendorchange;
+ if (allow_all == 2)
+ {
+ allowdowngrade = solv->dup_allowdowngrade;
+ allownamechange = solv->dup_allownamechange;
+ allowarchchange = solv->dup_allowarchchange;
+ allowvendorchange = solv->dup_allowvendorchange;
+ }
queue_empty(qs);
- if (solv && solv->updateCandidateCb)
- { /* The application is responsible for */
- return solv->updateCandidateCb(solv->pool, s, qs);
- }
-
- /*
- * s = solvable ptr
- * n = solvable Id
- */
n = s - pool->solvables;
/*
ps = pool->solvables + p;
if (s->name == ps->name) /* name match */
{
- if (!allow_all && !solv->allowdowngrade && evrcmp(pool, s->evr, ps->evr, EVRCMP_COMPARE) > 0)
+ if (pool->implicitobsoleteusescolors && !pool_colormatch(pool, s, ps))
+ continue;
+ if (!allowdowngrade && pool_evrcmp(pool, s->evr, ps->evr, EVRCMP_COMPARE) > 0)
continue;
}
- else if (!solv->noupdateprovide && ps->obsoletes) /* provides/obsoletes combination ? */
+ else if (!allownamechange)
+ continue;
+ else if ((!solv->noupdateprovide || solv->needupdateprovide) && ps->obsoletes) /* provides/obsoletes combination ? */
{
+ /* check if package ps obsoletes installed package s */
+ /* implicitobsoleteusescolors is somewhat wrong here, but we nevertheless
+ * use it to limit our update candidates */
+ if ((pool->obsoleteusescolors || pool->implicitobsoleteusescolors) && !pool_colormatch(pool, s, ps))
+ continue;
obsp = ps->repo->idarraydata + ps->obsoletes;
while ((obs = *obsp++) != 0) /* for all obsoletes */
{
FOR_PROVIDES(p2, pp2, obs) /* and all matching providers of the obsoletes */
{
- if (!solv->obsoleteusesprovides && !pool_match_nevr(pool, pool->solvables + p2, obs))
+ Solvable *ps2 = pool->solvables + p2;
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps2, obs))
continue;
if (p2 == n) /* match ! */
break;
/* here we have 'p' with a matching provides/obsoletes combination
* thus flagging p as a valid update candidate for s
*/
+ haveprovobs = 1;
}
else
continue;
- if (!allow_all && !solv->allowarchchange && s->arch != ps->arch && policy_illegal_archchange(solv, s, ps))
+ if (!allowarchchange && s->arch != ps->arch && policy_illegal_archchange(solv, s, ps))
continue;
- if (!allow_all && !solv->allowvendorchange && s->vendor != ps->vendor && policy_illegal_vendorchange(solv, s, ps))
+ if (!allowvendorchange && s->vendor != ps->vendor && policy_illegal_vendorchange(solv, s, ps))
continue;
queue_push(qs, p);
}
+ if (!allownamechange)
+ return;
/* if we have found some valid candidates and noupdateprovide is not set, we're
done. otherwise we fallback to all obsoletes */
- if (!solv->noupdateprovide && qs->count)
+ if (solv->needupdateprovide || (!solv->noupdateprovide && haveprovobs))
return;
if (solv->obsoletes && solv->obsoletes[n - solv->installed->start])
{
for (opp = solv->obsoletes_data + solv->obsoletes[n - solv->installed->start]; (p = *opp++) != 0;)
{
ps = pool->solvables + p;
- if (!allow_all && !solv->allowarchchange && s->arch != ps->arch && policy_illegal_archchange(solv, s, ps))
+ if (!allowarchchange && s->arch != ps->arch && policy_illegal_archchange(solv, s, ps))
+ continue;
+ if (!allowvendorchange && s->vendor != ps->vendor && policy_illegal_vendorchange(solv, s, ps))
continue;
- if (!allow_all && !solv->allowvendorchange && s->vendor != ps->vendor && policy_illegal_vendorchange(solv, s, ps))
+ /* implicitobsoleteusescolors is somewhat wrong here, but we nevertheless
+ * use it to limit our update candidates */
+ if (pool->implicitobsoleteusescolors && !pool_colormatch(pool, s, ps))
continue;
queue_push(qs, p);
}
}
}
+const char *
+policy_illegal2str(Solver *solv, int illegal, Solvable *s, Solvable *rs)
+{
+ Pool *pool = solv->pool;
+ const char *str;
+ if (illegal == POLICY_ILLEGAL_DOWNGRADE)
+ {
+ str = pool_tmpjoin(pool, "downgrade of ", pool_solvable2str(pool, s), 0);
+ return pool_tmpappend(pool, str, " to ", pool_solvable2str(pool, rs));
+ }
+ if (illegal == POLICY_ILLEGAL_NAMECHANGE)
+ {
+ str = pool_tmpjoin(pool, "name change of ", pool_solvable2str(pool, s), 0);
+ return pool_tmpappend(pool, str, " to ", pool_solvable2str(pool, rs));
+ }
+ if (illegal == POLICY_ILLEGAL_ARCHCHANGE)
+ {
+ str = pool_tmpjoin(pool, "architecture change of ", pool_solvable2str(pool, s), 0);
+ return pool_tmpappend(pool, str, " to ", pool_solvable2str(pool, rs));
+ }
+ if (illegal == POLICY_ILLEGAL_VENDORCHANGE)
+ {
+ str = pool_tmpjoin(pool, "vendor change from '", pool_id2str(pool, s->vendor), "' (");
+ if (rs->vendor)
+ {
+ str = pool_tmpappend(pool, str, pool_solvable2str(pool, s), ") to '");
+ str = pool_tmpappend(pool, str, pool_id2str(pool, rs->vendor), "' (");
+ }
+ else
+ str = pool_tmpappend(pool, str, pool_solvable2str(pool, s), ") to no vendor (");
+ return pool_tmpappend(pool, str, pool_solvable2str(pool, rs), ")");
+ }
+ return "unknown illegal change";
+}
+