#include <assert.h>
#include "solver.h"
+#include "solver_private.h"
#include "bitmap.h"
#include "pool.h"
#include "poolarch.h"
#define RULES_BLOCK 63
static void addrpmruleinfo(Solver *solv, Id p, Id d, int type, Id dep);
-static void solver_createcleandepsmap(Solver *solv);
+static void solver_createcleandepsmap(Solver *solv, Map *cleandepsmap, int unneeded);
/*-------------------------------------------------------------------
* Check if dependency is possible
*
* mirrors solver_dep_fulfilled but uses map m instead of the decisionmap
+ * used in solver_addrpmrulesforweak and solver_createcleandepsmap
*/
static inline int
if (ISRELDEP(dep))
{
Reldep *rd = GETRELDEP(pool, dep);
- if (rd->flags == REL_AND)
+ if (rd->flags >= 8)
{
- if (!dep_possible(solv, rd->name, m))
- return 0;
- return dep_possible(solv, rd->evr, m);
+ if (rd->flags == REL_AND)
+ {
+ if (!dep_possible(solv, rd->name, m))
+ return 0;
+ return dep_possible(solv, rd->evr, m);
+ }
+ if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_SPLITPROVIDES)
+ return solver_splitprovides(solv, rd->evr);
+ if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_INSTALLED)
+ return solver_dep_installed(solv, rd->evr);
}
- if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_SPLITPROVIDES)
- return solver_splitprovides(solv, rd->evr);
- if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_INSTALLED)
- return solver_dep_installed(solv, rd->evr);
}
FOR_PROVIDES(p, pp, dep)
{
}
int
-solver_samerule(Solver *solv, Rule *r1, Rule *r2)
+solver_rulecmp(Solver *solv, Rule *r1, Rule *r2)
{
return unifyrules_sortcmp(r1, r2, solv->pool);
}
int i, j;
Rule *ir, *jr;
- if (solv->nrules <= 1) /* nothing to unify */
+ if (solv->nrules <= 2) /* nothing to unify */
return;
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- unifyrules -----\n");
-
/* sort rules first */
- sat_sort(solv->rules + 1, solv->nrules - 1, sizeof(Rule), unifyrules_sortcmp, solv->pool);
+ solv_sort(solv->rules + 1, solv->nrules - 1, sizeof(Rule), unifyrules_sortcmp, solv->pool);
/* prune rules
* i = unpruned
}
/* reduced count from nrules to j rules */
- POOL_DEBUG(SAT_DEBUG_STATS, "pruned rules from %d to %d\n", solv->nrules, j);
+ POOL_DEBUG(SOLV_DEBUG_STATS, "pruned rules from %d to %d\n", solv->nrules, j);
/* adapt rule buffer */
solv->nrules = j;
- solv->rules = sat_extend_resize(solv->rules, solv->nrules, sizeof(Rule), RULES_BLOCK);
+ solv->rules = solv_extend_resize(solv->rules, solv->nrules, sizeof(Rule), RULES_BLOCK);
/*
* debug: log rule statistics
*/
- IF_POOLDEBUG (SAT_DEBUG_STATS)
+ IF_POOLDEBUG (SOLV_DEBUG_STATS)
{
int binr = 0;
int lits = 0;
lits++;
}
}
- POOL_DEBUG(SAT_DEBUG_STATS, " binary: %d\n", binr);
- POOL_DEBUG(SAT_DEBUG_STATS, " normal: %d, %d literals\n", solv->nrules - 1 - binr, lits);
+ POOL_DEBUG(SOLV_DEBUG_STATS, " binary: %d\n", binr);
+ POOL_DEBUG(SOLV_DEBUG_STATS, " normal: %d, %d literals\n", solv->nrules - 1 - binr, lits);
}
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- unifyrules end -----\n");
}
#if 0
*
* resulting watches:
* ------------------
- * Direct assertion (no watch needed)( if d <0 ) --> d = 0, w1 = p, w2 = 0
+ * Direct assertion (no watch needed) --> d = 0, w1 = p, w2 = 0
* Binary rule: p = first literal, d = 0, w2 = second literal, w1 = p
* every other : w1 = p, w2 = whatprovidesdata[d];
* Disabled rule: w1 = 0
* multiple times, so we prune those duplicates right away to make
* the work for unifyrules a bit easier */
- if (solv->nrules /* we already have rules */
- && !solv->rpmrules_end) /* but are not done with rpm rules */
+ if (!solv->rpmrules_end) /* we add rpm rules */
{
- r = solv->rules + solv->nrules - 1; /* get the last added rule */
- if (r->p == p && r->d == d && d != 0) /* identical and not user requested */
+ r = solv->rules + solv->nrules - 1; /* get the last added rule */
+ if (r->p == p && r->d == d && (d != 0 || !r->w2))
return r;
}
if (*dp == -p)
return 0; /* rule is self-fulfilling */
- if (n == 1) /* have single provider */
- d = dp[-1]; /* take single literal */
+ if (n == 1) /* convert to binary rule */
+ d = dp[-1];
}
if (n == 1 && p > d && !solv->rpmrules_end)
*/
/* extend rule buffer */
- solv->rules = sat_extend(solv->rules, solv->nrules, 1, sizeof(Rule), RULES_BLOCK);
+ solv->rules = solv_extend(solv->rules, solv->nrules, 1, sizeof(Rule), RULES_BLOCK);
r = solv->rules + solv->nrules++; /* point to rule space */
/*
r->n1 = 0;
r->n2 = 0;
- IF_POOLDEBUG (SAT_DEBUG_RULE_CREATION)
+ IF_POOLDEBUG (SOLV_DEBUG_RULE_CREATION)
{
- POOL_DEBUG(SAT_DEBUG_RULE_CREATION, " Add rule: ");
- solver_printrule(solv, SAT_DEBUG_RULE_CREATION, r);
+ POOL_DEBUG(SOLV_DEBUG_RULE_CREATION, " Add rule: ");
+ solver_printrule(solv, SOLV_DEBUG_RULE_CREATION, r);
}
return r;
Id *dp; /* ptr to 'whatprovides' */
Id n; /* Id for current solvable 's' */
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addrpmrulesforsolvable -----\n");
-
queue_init_buffer(&workq, workqbuf, sizeof(workqbuf)/sizeof(*workqbuf));
queue_push(&workq, s - pool->solvables); /* push solvable Id to work queue */
&& s->arch != ARCH_NOSRC
&& !pool_installable(pool, s))
{
- POOL_DEBUG(SAT_DEBUG_RULE_CREATION, "package %s [%d] is not installable\n", solvable2str(pool, s), (Id)(s - pool->solvables));
+ POOL_DEBUG(SOLV_DEBUG_RULE_CREATION, "package %s [%d] is not installable\n", pool_solvable2str(pool, s), (Id)(s - pool->solvables));
addrpmrule(solv, -n, 0, SOLVER_RULE_RPM_NOT_INSTALLABLE, 0);
}
/* yet another SUSE hack, sigh */
- if (pool->nscallback && !strncmp("product:", id2str(pool, s->name), 8))
+ if (pool->nscallback && !strncmp("product:", pool_id2str(pool, s->name), 8))
{
Id buddy = pool->nscallback(pool, pool->nscallbackdata, NAMESPACE_PRODUCTBUDDY, n);
if (buddy > 0 && buddy != SYSTEMSOLVABLE && buddy != n && buddy < pool->nsolvables)
/* didn't find an installed provider: previously broken dependency */
if (!p)
{
- POOL_DEBUG(SAT_DEBUG_RULE_CREATION, "ignoring broken requires %s of installed package %s\n", dep2str(pool, req), solvable2str(pool, s));
+ POOL_DEBUG(SOLV_DEBUG_RULE_CREATION, "ignoring broken requires %s of installed package %s\n", pool_dep2str(pool, req), pool_solvable2str(pool, s));
continue;
}
}
if (!*dp)
{
/* nothing provides req! */
- POOL_DEBUG(SAT_DEBUG_RULE_CREATION, "package %s [%d] is not installable (%s)\n", solvable2str(pool, s), (Id)(s - pool->solvables), dep2str(pool, req));
+ POOL_DEBUG(SOLV_DEBUG_RULE_CREATION, "package %s [%d] is not installable (%s)\n", pool_solvable2str(pool, s), (Id)(s - pool->solvables), pool_dep2str(pool, req));
addrpmrule(solv, -n, 0, SOLVER_RULE_RPM_NOTHING_PROVIDES_DEP, req);
continue;
}
- IF_POOLDEBUG (SAT_DEBUG_RULE_CREATION)
+ IF_POOLDEBUG (SOLV_DEBUG_RULE_CREATION)
{
- POOL_DEBUG(SAT_DEBUG_RULE_CREATION," %s requires %s\n", solvable2str(pool, s), dep2str(pool, req));
+ POOL_DEBUG(SOLV_DEBUG_RULE_CREATION," %s requires %s\n", pool_solvable2str(pool, s), pool_dep2str(pool, req));
for (i = 0; dp[i]; i++)
- POOL_DEBUG(SAT_DEBUG_RULE_CREATION, " provided by %s\n", solvid2str(pool, dp[i]));
+ POOL_DEBUG(SOLV_DEBUG_RULE_CREATION, " provided by %s\n", pool_solvid2str(pool, dp[i]));
}
/* add 'requires' dependency */
* XXX: we should really handle this different, looking
* at the name is a bad hack
*/
- if (!strncmp("patch:", id2str(pool, s->name), 6))
+ if (!strncmp("patch:", pool_id2str(pool, s->name), 6))
ispatch = 1;
conp = s->repo->idarraydata + s->conflicts;
/* foreach conflicts of 's' */
if (dontfix && pool->solvables[p].repo == installed)
continue;
/* p == n: self conflict */
- if (p == n && !pool->allowselfconflicts)
+ if (p == n && pool->forbidselfconflicts)
{
if (ISRELDEP(con))
{
{
int noobs = solv->noobsoletes.size && MAPTST(&solv->noobsoletes, n);
int isinstalled = (installed && s->repo == installed);
- if (s->obsoletes && !noobs)
+ if (s->obsoletes && (!noobs || solv->keepexplicitobsoletes))
{
obsp = s->repo->idarraydata + s->obsoletes;
/* foreach obsoletes */
}
}
queue_free(&workq);
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addrpmrulesforsolvable end -----\n");
}
/*-------------------------------------------------------------------
*
- * Add package rules for weak rules
+ * Add rules for packages possibly selected in by weak dependencies
*
- * m: visited solvables
+ * m: already added solvables
*/
void
Id sup, *supp;
int i, n;
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addrpmrulesforweak -----\n");
- /* foreach solvable in pool */
+ /* foreach solvable in pool */
for (i = n = 1; n < pool->nsolvables; i++, n++)
{
if (i == pool->nsolvables) /* wrap i */
i = 1;
- if (MAPTST(m, i)) /* been there */
+ if (MAPTST(m, i)) /* already added that one */
continue;
s = pool->solvables + i;
- if (!pool_installable(pool, s)) /* only look at installable ones */
+ if (!s->repo)
continue;
+ if (s->repo != pool->installed && !pool_installable(pool, s))
+ continue; /* only look at installable ones */
sup = 0;
if (s->supplements)
{
/* find possible supplements */
supp = s->repo->idarraydata + s->supplements;
- while ((sup = *supp++) != ID_NULL)
+ while ((sup = *supp++) != 0)
if (dep_possible(solv, sup, m))
break;
}
if (!sup && s->enhances)
{
supp = s->repo->idarraydata + s->enhances;
- while ((sup = *supp++) != ID_NULL)
+ while ((sup = *supp++) != 0)
if (dep_possible(solv, sup, m))
break;
}
if (!sup)
continue;
solver_addrpmrulesforsolvable(solv, s, m);
- n = 0; /* check all solvables again */
+ n = 0; /* check all solvables again because we added solvables to m */
}
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addrpmrulesforweak end -----\n");
}
Queue qs;
Id qsbuf[64];
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addrpmrulesforupdaters -----\n");
-
queue_init_buffer(&qs, qsbuf, sizeof(qsbuf)/sizeof(*qsbuf));
/* find update candidates for 's' */
policy_findupdatepackages(solv, s, &qs, allow_all);
if (!MAPTST(m, qs.elements[i]))
solver_addrpmrulesforsolvable(solv, pool->solvables + qs.elements[i], m);
queue_free(&qs);
-
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addrpmrulesforupdaters -----\n");
}
Pool *pool = solv->pool;
int i;
- policy_findupdatepackages(solv, s, qs, allow_all);
+ policy_findupdatepackages(solv, s, qs, allow_all ? allow_all : 2);
if (!qs->count)
{
if (allow_all)
Queue qs;
Id qsbuf[64];
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addupdaterule -----\n");
queue_init_buffer(&qs, qsbuf, sizeof(qsbuf)/sizeof(*qsbuf));
p = s - pool->solvables;
/* find update candidates for 's' */
(solv->updatemap_all || (solv->updatemap.size && MAPTST(&solv->updatemap, s - pool->solvables - solv->installed->start))))
{
if (!solv->multiversionupdaters)
- solv->multiversionupdaters = sat_calloc(solv->installed->end - solv->installed->start, sizeof(Id));
+ solv->multiversionupdaters = solv_calloc(solv->installed->end - solv->installed->start, sizeof(Id));
solv->multiversionupdaters[s - pool->solvables - solv->installed->start] = d;
}
if (j == 0 && p == -SYSTEMSOLVABLE && solv->dupmap_all)
}
qs.count = j;
}
+ else if (p != -SYSTEMSOLVABLE)
+ {
+ /* could fallthrough, but then we would do pool_queuetowhatprovides twice */
+ queue_free(&qs);
+ solver_addrule(solv, p, d); /* allow update of s */
+ return;
+ }
}
if (qs.count && p == -SYSTEMSOLVABLE)
p = queue_shift(&qs);
d = qs.count ? pool_queuetowhatprovides(pool, &qs) : 0;
queue_free(&qs);
solver_addrule(solv, p, d); /* allow update of s */
- POOL_DEBUG(SAT_DEBUG_SCHUBI, "----- addupdaterule end -----\n");
}
static inline void
r = solv->rules + solv->featurerules + (p - solv->installed->start);
if (r->p && r->d >= 0)
solver_disablerule(solv, r);
+ if (solv->bestrules_pkg)
+ {
+ int i, ni;
+ ni = solv->bestrules_end - solv->bestrules;
+ for (i = 0; i < ni; i++)
+ if (solv->bestrules_pkg[i] == p)
+ solver_disablerule(solv, solv->rules + solv->bestrules + i);
+ }
}
static inline void
r = solv->rules + solv->updaterules + (p - solv->installed->start);
if (r->p)
{
- if (r->d >= 0)
- return;
- solver_enablerule(solv, r);
- IF_POOLDEBUG (SAT_DEBUG_SOLUTIONS)
+ if (r->d < 0)
{
- POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "@@@ re-enabling ");
- solver_printruleclass(solv, SAT_DEBUG_SOLUTIONS, r);
+ solver_enablerule(solv, r);
+ IF_POOLDEBUG (SOLV_DEBUG_SOLUTIONS)
+ {
+ POOL_DEBUG(SOLV_DEBUG_SOLUTIONS, "@@@ re-enabling ");
+ solver_printruleclass(solv, SOLV_DEBUG_SOLUTIONS, r);
+ }
}
- return;
}
- r = solv->rules + solv->featurerules + (p - solv->installed->start);
- if (r->p && r->d < 0)
+ else
{
- solver_enablerule(solv, r);
- IF_POOLDEBUG (SAT_DEBUG_SOLUTIONS)
+ r = solv->rules + solv->featurerules + (p - solv->installed->start);
+ if (r->p && r->d < 0)
{
- POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "@@@ re-enabling ");
- solver_printruleclass(solv, SAT_DEBUG_SOLUTIONS, r);
+ solver_enablerule(solv, r);
+ IF_POOLDEBUG (SOLV_DEBUG_SOLUTIONS)
+ {
+ POOL_DEBUG(SOLV_DEBUG_SOLUTIONS, "@@@ re-enabling ");
+ solver_printruleclass(solv, SOLV_DEBUG_SOLUTIONS, r);
+ }
}
}
+ if (solv->bestrules_pkg)
+ {
+ int i, ni;
+ ni = solv->bestrules_end - solv->bestrules;
+ for (i = 0; i < ni; i++)
+ if (solv->bestrules_pkg[i] == p)
+ solver_enablerule(solv, solv->rules + solv->bestrules + i);
+ }
}
if (r->p < 0 && r->d < 0 && pool->solvables[-r->p].name == name)
{
solver_enablerule(solv, r);
- IF_POOLDEBUG (SAT_DEBUG_SOLUTIONS)
+ IF_POOLDEBUG (SOLV_DEBUG_SOLUTIONS)
{
- POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "@@@ re-enabling ");
- solver_printruleclass(solv, SAT_DEBUG_SOLUTIONS, r);
+ POOL_DEBUG(SOLV_DEBUG_SOLUTIONS, "@@@ re-enabling ");
+ solver_printruleclass(solv, SOLV_DEBUG_SOLUTIONS, r);
}
}
}
Queue *job = &solv->job;
Pool *pool = solv->pool;
Repo *repo;
- Id how, what, p, pi, pp, obs, *obsp;
+ Repo *installed = solv->installed;
+ Id select, how, what, p, pi, pp, pip, obs, *obsp;
Solvable *s, *ps;
int i;
for (i = 0; i < job->count; i += 2)
{
how = job->elements[i];
+ select = job->elements[i] & SOLVER_SELECTMASK;
what = job->elements[i + 1];
switch (how & SOLVER_JOBMASK)
{
case SOLVER_DISTUPGRADE:
- if ((how & SOLVER_SELECTMASK) != SOLVER_SOLVABLE_REPO)
- break;
+ if (select != SOLVER_SOLVABLE_REPO)
+ {
+ int haveinstalled;
+ p = 0;
+ if (installed)
+ {
+ FOR_JOB_SELECT(p, pp, select, what)
+ if (pool->solvables[p].repo == installed)
+ break;
+ }
+ haveinstalled = p != 0;
+ FOR_JOB_SELECT(p, pp, select, what)
+ {
+ Solvable *s = pool->solvables + p;
+ if (!s->repo)
+ continue;
+ if (haveinstalled && s->repo != installed)
+ continue;
+ if (s->repo != installed && !pool_installable(pool, s))
+ continue;
+ MAPSET(&solv->dupinvolvedmap, p);
+ if (!haveinstalled)
+ MAPSET(&solv->dupmap, p);
+ FOR_PROVIDES(pi, pip, s->name)
+ {
+ ps = pool->solvables + pi;
+ if (ps->name != s->name)
+ continue;
+ MAPSET(&solv->dupinvolvedmap, pi);
+ if (ps->repo == installed && (how & SOLVER_FORCEBEST) != 0)
+ {
+ if (!solv->bestupdatemap.size)
+ map_grow(&solv->bestupdatemap, installed->end - installed->start);
+ MAPSET(&solv->bestupdatemap, pi - installed->start);
+ }
+ if (haveinstalled && ps->repo != installed)
+ MAPSET(&solv->dupmap, pi);
+ }
+ if (haveinstalled)
+ {
+ if (solv->obsoletes && solv->obsoletes[p - installed->start])
+ {
+ Id *opp;
+ for (opp = solv->obsoletes_data + solv->obsoletes[p - installed->start]; (pi = *opp++) != 0;)
+ {
+ ps = pool->solvables + pi;
+ if (ps->repo == installed)
+ continue;
+ MAPSET(&solv->dupinvolvedmap, pi);
+ MAPSET(&solv->dupmap, pi);
+ }
+ }
+ }
+ else if (s->obsoletes)
+ {
+ /* XXX: check obsoletes/provides combination */
+ obsp = s->repo->idarraydata + s->obsoletes;
+ while ((obs = *obsp++) != 0)
+ {
+ FOR_PROVIDES(pi, pp, obs)
+ {
+ Solvable *ps = pool->solvables + pi;
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
+ continue;
+ if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
+ continue;
+ MAPSET(&solv->dupinvolvedmap, pi);
+ if (ps->repo == installed && (how & SOLVER_FORCEBEST) != 0)
+ {
+ if (!solv->bestupdatemap.size)
+ map_grow(&solv->bestupdatemap, installed->end - installed->start);
+ MAPSET(&solv->bestupdatemap, pi - installed->start);
+ }
+ }
+ }
+ }
+ }
+ break;
+ }
if (what <= 0 || what > pool->nrepos)
break;
repo = pool_id2repo(pool, what);
FOR_REPO_SOLVABLES(repo, p, s)
{
+ if (repo != installed && !pool_installable(pool, s))
+ continue;
MAPSET(&solv->dupmap, p);
- FOR_PROVIDES(pi, pp, s->name)
+ FOR_PROVIDES(pi, pip, s->name)
{
ps = pool->solvables + pi;
if (ps->name != s->name)
continue;
MAPSET(&solv->dupinvolvedmap, pi);
+ if (ps->repo == installed && (how & SOLVER_FORCEBEST) != 0)
+ {
+ if (!solv->bestupdatemap.size)
+ map_grow(&solv->bestupdatemap, installed->end - installed->start);
+ MAPSET(&solv->bestupdatemap, pi - installed->start);
+ }
}
if (s->obsoletes)
{
- /* FIXME: check obsoletes/provides combination */
+ /* XXX: check obsoletes/provides combination */
obsp = s->repo->idarraydata + s->obsoletes;
while ((obs = *obsp++) != 0)
{
FOR_PROVIDES(pi, pp, obs)
{
- Solvable *pis = pool->solvables + pi;
- if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, pis, obs))
+ Solvable *ps = pool->solvables + pi;
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
continue;
- if (pool->obsoleteusescolors && !pool_colormatch(pool, s, pis))
+ if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
continue;
MAPSET(&solv->dupinvolvedmap, pi);
+ if (ps->repo == installed && (how & SOLVER_FORCEBEST) != 0)
+ {
+ if (!solv->bestupdatemap.size)
+ map_grow(&solv->bestupdatemap, installed->end - installed->start);
+ MAPSET(&solv->bestupdatemap, pi - installed->start);
+ }
}
}
}
solver_freedupmaps(Solver *solv)
{
map_free(&solv->dupmap);
- map_free(&solv->dupinvolvedmap);
+ /* we no longer free solv->dupinvolvedmap as we need it in
+ * policy's priority pruning code. sigh. */
}
void
}
if (!ip)
solver_addrule(solv, -p, 0); /* no match, sorry */
+ else
+ MAPSET(&solv->dupmap, p); /* for best rules processing */
}
}
else if (!MAPTST(&solv->dupmap, p))
if (r->p < 0 && r->d < 0 && pool->solvables[-r->p].name == name)
{
solver_enablerule(solv, r);
- IF_POOLDEBUG (SAT_DEBUG_SOLUTIONS)
+ IF_POOLDEBUG (SOLV_DEBUG_SOLUTIONS)
{
- POOL_DEBUG(SAT_DEBUG_SOLUTIONS, "@@@ re-enabling ");
- solver_printruleclass(solv, SAT_DEBUG_SOLUTIONS, r);
+ POOL_DEBUG(SOLV_DEBUG_SOLUTIONS, "@@@ re-enabling ");
+ solver_printruleclass(solv, SOLV_DEBUG_SOLUTIONS, r);
}
}
}
#define DISABLE_INFARCH 2
#define DISABLE_DUP 3
+/*
+ * add all installed packages that package p obsoletes to Queue q.
+ * Package p is not installed. Also, we know that if
+ * solv->keepexplicitobsoletes is not set, p is not in the noobs map.
+ * Entries may get added multiple times.
+ */
+static void
+add_obsoletes(Solver *solv, Id p, Queue *q)
+{
+ Pool *pool = solv->pool;
+ Repo *installed = solv->installed;
+ Id p2, pp2;
+ Solvable *s = pool->solvables + p;
+ Id obs, *obsp;
+ Id lastp2 = 0;
+
+ if (!solv->keepexplicitobsoletes || !(solv->noobsoletes.size && MAPTST(&solv->noobsoletes, p)))
+ {
+ FOR_PROVIDES(p2, pp2, s->name)
+ {
+ Solvable *ps = pool->solvables + p2;
+ if (ps->repo != installed)
+ continue;
+ if (!pool->implicitobsoleteusesprovides && ps->name != s->name)
+ continue;
+ if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
+ continue;
+ queue_push(q, p2);
+ lastp2 = p2;
+ }
+ }
+ if (!s->obsoletes)
+ return;
+ obsp = s->repo->idarraydata + s->obsoletes;
+ while ((obs = *obsp++) != 0)
+ FOR_PROVIDES(p2, pp2, obs)
+ {
+ Solvable *ps = pool->solvables + p2;
+ if (ps->repo != installed)
+ continue;
+ if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
+ continue;
+ if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
+ continue;
+ if (p2 == lastp2)
+ continue;
+ queue_push(q, p2);
+ lastp2 = p2;
+ }
+}
+
+/*
+ * Call add_obsoletes and intersect the result with the
+ * elements in Queue q starting at qstart.
+ * Assumes that it's the first call if qstart == q->count.
+ * May use auxillary map m for the intersection process, all
+ * elements of q starting at qstart must have their bit cleared.
+ * (This is also true after the function returns.)
+ */
+static void
+intersect_obsoletes(Solver *solv, Id p, Queue *q, int qstart, Map *m)
+{
+ int i, j;
+ int qcount = q->count;
+
+ add_obsoletes(solv, p, q);
+ if (qcount == qstart)
+ return; /* first call */
+ if (qcount == q->count)
+ j = qstart;
+ else if (qcount == qstart + 1)
+ {
+ /* easy if there's just one element */
+ j = qstart;
+ for (i = qcount; i < q->count; i++)
+ if (q->elements[i] == q->elements[qstart])
+ {
+ j++; /* keep the element */
+ break;
+ }
+ }
+ else if (!m->size && q->count - qstart <= 8)
+ {
+ /* faster than a map most of the time */
+ int k;
+ for (i = j = qstart; i < qcount; i++)
+ {
+ Id ip = q->elements[i];
+ for (k = qcount; k < q->count; k++)
+ if (q->elements[k] == ip)
+ {
+ q->elements[j++] = ip;
+ break;
+ }
+ }
+ }
+ else
+ {
+ /* for the really pathologic cases we use the map */
+ Repo *installed = solv->installed;
+ if (!m->size)
+ map_init(m, installed->end - installed->start);
+ for (i = qcount; i < q->count; i++)
+ MAPSET(m, q->elements[i] - installed->start);
+ for (i = j = qstart; i < qcount; i++)
+ if (MAPTST(m, q->elements[i] - installed->start))
+ {
+ MAPCLR(m, q->elements[i] - installed->start);
+ q->elements[j++] = q->elements[i];
+ }
+ }
+ queue_truncate(q, j);
+}
+
static void
jobtodisablelist(Solver *solv, Id how, Id what, Queue *q)
{
Id select, p, pp;
Repo *installed;
Solvable *s;
- int i, j, set, qstart, pass;
+ int i, j, set, qstart;
Map omap;
installed = solv->installed;
if (!(set & SOLVER_NOAUTOSET))
{
/* automatically add set bits by analysing the job */
+ if (select == SOLVER_SOLVABLE_NAME)
+ set |= SOLVER_SETNAME;
if (select == SOLVER_SOLVABLE)
- set |= SOLVER_SETARCH | SOLVER_SETVENDOR | SOLVER_SETREPO | SOLVER_SETEVR;
+ set |= SOLVER_SETNAME | SOLVER_SETARCH | SOLVER_SETVENDOR | SOLVER_SETREPO | SOLVER_SETEVR;
else if ((select == SOLVER_SOLVABLE_NAME || select == SOLVER_SOLVABLE_PROVIDES) && ISRELDEP(what))
{
Reldep *rd = GETRELDEP(pool, what);
if (rd->flags == REL_EQ && select == SOLVER_SOLVABLE_NAME)
{
-#if !defined(DEBIAN_SEMANTICS)
- const char *evr = id2str(pool, rd->evr);
- if (strchr(evr, '-'))
- set |= SOLVER_SETEVR;
+ if (pool->disttype != DISTTYPE_DEB)
+ {
+ const char *evr = pool_id2str(pool, rd->evr);
+ if (strchr(evr, '-'))
+ set |= SOLVER_SETEVR;
+ else
+ set |= SOLVER_SETEV;
+ }
else
- set |= SOLVER_SETEV;
-#else
- set |= SOLVER_SETEVR;
-#endif
+ set |= SOLVER_SETEVR;
}
if (rd->flags <= 7 && ISRELDEP(rd->name))
rd = GETRELDEP(pool, rd->name);
else
{
int qcnt = q->count;
+ /* does not work for SOLVER_SOLVABLE_ALL and SOLVER_SOLVABLE_REPO, but
+ they are not useful for SOLVER_INSTALL jobs anyway */
FOR_JOB_SELECT(p, pp, select, what)
{
s = pool->solvables + p;
}
}
}
- if (!installed)
+ if (!installed || installed->end == installed->start)
return;
/* now the hard part: disable some update rules */
/* first check if we have noobs or installed packages in the job */
+ i = j = 0;
FOR_JOB_SELECT(p, pp, select, what)
{
if (pool->solvables[p].repo == installed)
- {
- if (select == SOLVER_SOLVABLE)
- queue_push2(q, DISABLE_UPDATE, what);
- return;
- }
- if (solv->noobsoletes.size && MAPTST(&solv->noobsoletes, p))
+ j = p;
+ else if (solv->noobsoletes.size && MAPTST(&solv->noobsoletes, p) && !solv->keepexplicitobsoletes)
return;
+ i++;
+ }
+ if (j) /* have installed packages */
+ {
+ /* this is for dupmap_all jobs, it can go away if we create
+ * duprules for them */
+ if (i == 1 && (set & SOLVER_SETREPO) != 0)
+ queue_push2(q, DISABLE_UPDATE, j);
+ return;
}
- /* all job packages obsolete */
+ omap.size = 0;
qstart = q->count;
- pass = 0;
- memset(&omap, 0, sizeof(omap));
FOR_JOB_SELECT(p, pp, select, what)
{
- Id p2, pp2;
-
- if (pass == 1)
- map_grow(&omap, installed->end - installed->start);
- s = pool->solvables + p;
- if (s->obsoletes)
- {
- Id obs, *obsp;
- obsp = s->repo->idarraydata + s->obsoletes;
- while ((obs = *obsp++) != 0)
- FOR_PROVIDES(p2, pp2, obs)
- {
- Solvable *ps = pool->solvables + p2;
- if (ps->repo != installed)
- continue;
- if (!pool->obsoleteusesprovides && !pool_match_nevr(pool, ps, obs))
- continue;
- if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
- continue;
- if (pass)
- MAPSET(&omap, p2 - installed->start);
- else
- queue_push2(q, DISABLE_UPDATE, p2);
- }
- }
- FOR_PROVIDES(p2, pp2, s->name)
- {
- Solvable *ps = pool->solvables + p2;
- if (ps->repo != installed)
- continue;
- if (!pool->implicitobsoleteusesprovides && ps->name != s->name)
- continue;
- if (pool->obsoleteusescolors && !pool_colormatch(pool, s, ps))
- continue;
- if (pass)
- MAPSET(&omap, p2 - installed->start);
- else
- queue_push2(q, DISABLE_UPDATE, p2);
- }
- if (pass)
- {
- for (i = j = qstart; i < q->count; i += 2)
- {
- if (MAPTST(&omap, q->elements[i + 1] - installed->start))
- {
- MAPCLR(&omap, q->elements[i + 1] - installed->start);
- q->elements[j + 1] = q->elements[i + 1];
- j += 2;
- }
- }
- queue_truncate(q, j);
- }
+ intersect_obsoletes(solv, p, q, qstart, &omap);
if (q->count == qstart)
break;
- pass++;
}
if (omap.size)
map_free(&omap);
if (qstart == q->count)
return; /* nothing to prune */
- if ((set & (SOLVER_SETEVR | SOLVER_SETARCH | SOLVER_SETVENDOR)) == (SOLVER_SETEVR | SOLVER_SETARCH | SOLVER_SETVENDOR))
- return; /* all is set */
+
+ /* convert result to (DISABLE_UPDATE, p) pairs */
+ i = q->count;
+ for (j = qstart; j < i; j++)
+ queue_push(q, q->elements[j]);
+ for (j = qstart; j < q->count; j += 2)
+ {
+ q->elements[j] = DISABLE_UPDATE;
+ q->elements[j + 1] = q->elements[i++];
+ }
/* now that we know which installed packages are obsoleted check each of them */
+ if ((set & (SOLVER_SETEVR | SOLVER_SETARCH | SOLVER_SETVENDOR)) == (SOLVER_SETEVR | SOLVER_SETARCH | SOLVER_SETVENDOR))
+ return; /* all is set, nothing to do */
+
for (i = j = qstart; i < q->count; i += 2)
{
Solvable *is = pool->solvables + q->elements[i + 1];
s = pool->solvables + p;
if ((set & SOLVER_SETEVR) != 0)
illegal |= POLICY_ILLEGAL_DOWNGRADE; /* ignore */
+ if ((set & SOLVER_SETNAME) != 0)
+ illegal |= POLICY_ILLEGAL_NAMECHANGE; /* ignore */
if ((set & SOLVER_SETARCH) != 0)
illegal |= POLICY_ILLEGAL_ARCHCHANGE; /* ignore */
if ((set & SOLVER_SETVENDOR) != 0)
if (illegal && illegal == POLICY_ILLEGAL_DOWNGRADE && (set & SOLVER_SETEV) != 0)
{
/* it's ok if the EV is different */
- if (evrcmp(pool, is->evr, s->evr, EVRCMP_COMPARE_EVONLY) != 0)
+ if (pool_evrcmp(pool, is->evr, s->evr, EVRCMP_COMPARE_EVONLY) != 0)
illegal = 0;
}
if (illegal)
case SOLVER_ERASE:
if (!installed)
break;
+ if (select == SOLVER_SOLVABLE_ALL || (select == SOLVER_SOLVABLE_REPO && what == installed->repoid))
+ FOR_REPO_SOLVABLES(installed, p, s)
+ queue_push2(q, DISABLE_UPDATE, p);
FOR_JOB_SELECT(p, pp, select, what)
if (pool->solvables[p].repo == installed)
queue_push2(q, DISABLE_UPDATE, p);
}
if (solv->cleandepsmap.size)
{
- solver_createcleandepsmap(solv);
+ solver_createcleandepsmap(solv, &solv->cleandepsmap, 0);
for (i = solv->installed->start; i < solv->installed->end; i++)
if (MAPTST(&solv->cleandepsmap, i - solv->installed->start))
queue_push2(&allq, DISABLE_UPDATE, i);
queue_init_buffer(&q, qbuf, sizeof(qbuf)/sizeof(*qbuf));
queue_init_buffer(&allq, allqbuf, sizeof(allqbuf)/sizeof(*allqbuf));
- jobtodisablelist(solv, job->elements[jobidx], job->elements[jobidx + 1], &q);
+ jobtodisablelist(solv, job->elements[jobidx - 1], job->elements[jobidx], &q);
if (!q.count)
return;
for (i = solv->jobrules; i < solv->jobrules_end; i++)
}
if (solv->cleandepsmap.size)
{
- solver_createcleandepsmap(solv);
+ solver_createcleandepsmap(solv, &solv->cleandepsmap, 0);
for (i = solv->installed->start; i < solv->installed->end; i++)
if (MAPTST(&solv->cleandepsmap, i - solv->installed->start))
queue_push2(&allq, DISABLE_UPDATE, i);
queue_free(&q);
}
+/* we just removed a package from the cleandeps map, now reenable all policy rules that were
+ * disabled because of this */
+void
+solver_reenablepolicyrules_cleandeps(Solver *solv, Id pkg)
+{
+ Queue *job = &solv->job;
+ int i, j;
+ Queue allq;
+ Rule *r;
+ Id lastjob = -1;
+ Id allqbuf[128];
+
+ queue_init_buffer(&allq, allqbuf, sizeof(allqbuf)/sizeof(*allqbuf));
+ for (i = solv->jobrules; i < solv->jobrules_end; i++)
+ {
+ r = solv->rules + i;
+ if (r->d < 0) /* disabled? */
+ continue;
+ j = solv->ruletojob.elements[i - solv->jobrules];
+ if (j == lastjob)
+ continue;
+ lastjob = j;
+ jobtodisablelist(solv, job->elements[j], job->elements[j + 1], &allq);
+ }
+ for (i = 0; i < allq.count; i += 2)
+ if (allq.elements[i] == DISABLE_UPDATE && allq.elements[i + 1] == pkg)
+ break;
+ if (i == allq.count)
+ reenableupdaterule(solv, pkg);
+ queue_free(&allq);
+}
+
/***********************************************************************
***
/* now sort & unify em */
if (!rq->count)
return 0;
- sat_sort(rq->elements, rq->count / 4, 4 * sizeof(Id), solver_allruleinfos_cmp, 0);
+ solv_sort(rq->elements, rq->count / 4, 4 * sizeof(Id), solver_allruleinfos_cmp, 0);
/* throw out identical entries */
for (i = j = 0; i < rq->count; i += 4)
{
*top = solv->job.elements[jidx];
if (depp)
*depp = solv->job.elements[jidx + 1];
- if ((r->d == 0 || r->d == -1) && r->w2 == 0 && r->p == -SYSTEMSOLVABLE && (solv->job.elements[jidx] & SOLVER_SELECTMASK) != SOLVER_SOLVABLE_ONE_OF)
- return SOLVER_RULE_JOB_NOTHING_PROVIDES_DEP;
+ if ((r->d == 0 || r->d == -1) && r->w2 == 0 && r->p == -SYSTEMSOLVABLE)
+ {
+ if ((solv->job.elements[jidx] & SOLVER_SELECTMASK) == SOLVER_SOLVABLE_NAME)
+ return SOLVER_RULE_JOB_NOTHING_PROVIDES_DEP;
+ if ((solv->job.elements[jidx] & SOLVER_SELECTMASK) == SOLVER_SOLVABLE_PROVIDES)
+ return SOLVER_RULE_JOB_NOTHING_PROVIDES_DEP;
+ }
return SOLVER_RULE_JOB;
}
if (rid >= solv->updaterules && rid < solv->updaterules_end)
*depp = pool->solvables[-r->p].name;
return SOLVER_RULE_INFARCH;
}
+ if (rid >= solv->bestrules && rid < solv->bestrules_end)
+ {
+ return SOLVER_RULE_BEST;
+ }
if (rid >= solv->choicerules && rid < solv->choicerules_end)
{
return SOLVER_RULE_CHOICE;
return SOLVER_RULE_UNKNOWN;
}
+SolverRuleinfo
+solver_ruleclass(Solver *solv, Id rid)
+{
+ if (rid <= 0)
+ return SOLVER_RULE_UNKNOWN;
+ if (rid > 0 && rid < solv->rpmrules_end)
+ return SOLVER_RULE_RPM;
+ if (rid >= solv->jobrules && rid < solv->jobrules_end)
+ return SOLVER_RULE_JOB;
+ if (rid >= solv->updaterules && rid < solv->updaterules_end)
+ return SOLVER_RULE_UPDATE;
+ if (rid >= solv->featurerules && rid < solv->featurerules_end)
+ return SOLVER_RULE_FEATURE;
+ if (rid >= solv->duprules && rid < solv->duprules_end)
+ return SOLVER_RULE_DISTUPGRADE;
+ if (rid >= solv->infarchrules && rid < solv->infarchrules_end)
+ return SOLVER_RULE_INFARCH;
+ if (rid >= solv->bestrules && rid < solv->bestrules_end)
+ return SOLVER_RULE_BEST;
+ if (rid >= solv->choicerules && rid < solv->choicerules_end)
+ return SOLVER_RULE_CHOICE;
+ if (rid >= solv->learntrules)
+ return SOLVER_RULE_LEARNT;
+ return SOLVER_RULE_UNKNOWN;
+}
+
+void
+solver_ruleliterals(Solver *solv, Id rid, Queue *q)
+{
+ Pool *pool = solv->pool;
+ Id p, pp;
+ Rule *r;
+
+ queue_empty(q);
+ r = solv->rules + rid;
+ FOR_RULELITERALS(p, pp, r)
+ if (p != -SYSTEMSOLVABLE)
+ queue_push(q, p);
+ if (!q->count)
+ queue_push(q, -SYSTEMSOLVABLE); /* hmm, better to return an empty result? */
+}
+
+int
+solver_rule2jobidx(Solver *solv, Id rid)
+{
+ if (rid < solv->jobrules || rid >= solv->jobrules_end)
+ return 0;
+ return solv->ruletojob.elements[rid - solv->jobrules] + 1;
+}
+
+Id
+solver_rule2job(Solver *solv, Id rid, Id *whatp)
+{
+ int idx;
+ if (rid < solv->jobrules || rid >= solv->jobrules_end)
+ {
+ if (whatp)
+ *whatp = 0;
+ return 0;
+ }
+ idx = solv->ruletojob.elements[rid - solv->jobrules];
+ if (whatp)
+ *whatp = solv->job.elements[idx + 1];
+ return solv->job.elements[idx];
+}
+
void
solver_addchoicerules(Solver *solv)
{
Rule *r;
Queue q, qi;
int i, j, rid, havechoice;
- Id p, d, *pp;
+ Id p, d, pp;
Id p2, pp2;
Solvable *s, *s2;
+ Id lastaddedp, lastaddedd;
+ int lastaddedcnt;
solv->choicerules = solv->nrules;
if (!pool->installed)
solv->choicerules_end = solv->nrules;
return;
}
- solv->choicerules_ref = sat_calloc(solv->rpmrules_end, sizeof(Id));
+ solv->choicerules_ref = solv_calloc(solv->rpmrules_end, sizeof(Id));
queue_init(&q);
queue_init(&qi);
map_init(&m, pool->nsolvables);
for (rid = solv->duprules, r = solv->rules + rid; rid < solv->duprules_end; rid++, r++)
if (r->p < 0 && !r->w2 && (r->d == 0 || r->d == -1))
MAPSET(&mneg, -r->p);
+ lastaddedp = 0;
+ lastaddedd = 0;
+ lastaddedcnt = 0;
for (rid = 1; rid < solv->rpmrules_end ; rid++)
{
r = solv->rules + rid;
if (r->p >= 0 || ((r->d == 0 || r->d == -1) && r->w2 < 0))
continue; /* only look at requires rules */
- // solver_printrule(solv, SAT_DEBUG_RESULT, r);
+ /* solver_printrule(solv, SOLV_DEBUG_RESULT, r); */
queue_empty(&q);
queue_empty(&qi);
havechoice = 0;
MAPSET(&m, p);
for (i = 0; i < qi.count; i++)
{
+ Rule *ur;
if (!qi.elements[i])
continue;
- Rule *ur = solv->rules + solv->updaterules + (qi.elements[i] - pool->installed->start);
+ ur = solv->rules + solv->updaterules + (qi.elements[i] - pool->installed->start);
if (!ur->p)
ur = solv->rules + solv->featurerules + (qi.elements[i] - pool->installed->start);
if (!ur->p)
{
#if 0
printf("skipping choice ");
- solver_printrule(solv, SAT_DEBUG_RESULT, solv->rules + rid);
+ solver_printrule(solv, SOLV_DEBUG_RESULT, solv->rules + rid);
#endif
continue;
}
+
+ /* don't add identical rules */
+ if (lastaddedp == r->p && lastaddedcnt == q.count)
+ {
+ for (i = 0; i < q.count; i++)
+ if (q.elements[i] != pool->whatprovidesdata[lastaddedd + i])
+ break;
+ if (i == q.count)
+ continue; /* already added that one */
+ }
+
d = q.count ? pool_queuetowhatprovides(pool, &q) : 0;
solver_addrule(solv, r->p, d);
queue_push(&solv->weakruleq, solv->nrules - 1);
solv->choicerules_ref[solv->nrules - 1 - solv->choicerules] = rid;
+ lastaddedp = r->p;
+ lastaddedd = d;
+ lastaddedcnt = q.count;
#if 0
printf("OLD ");
- solver_printrule(solv, SAT_DEBUG_RESULT, solv->rules + rid);
+ solver_printrule(solv, SOLV_DEBUG_RESULT, solv->rules + rid);
printf("WEAK CHOICE ");
- solver_printrule(solv, SAT_DEBUG_RESULT, solv->rules + solv->nrules - 1);
+ solver_printrule(solv, SOLV_DEBUG_RESULT, solv->rules + solv->nrules - 1);
#endif
}
queue_free(&q);
void
solver_disablechoicerules(Solver *solv, Rule *r)
{
- Id rid, p, *pp;
+ Id rid, p, pp;
Pool *pool = solv->pool;
Map m;
Rule *or;
}
}
-static void solver_createcleandepsmap(Solver *solv)
+static void
+prune_to_update_targets(Solver *solv, Id *cp, Queue *q)
+{
+ int i, j;
+ Id p, *cp2;
+ for (i = j = 0; i < q->count; i++)
+ {
+ p = q->elements[i];
+ for (cp2 = cp; *cp2; cp2++)
+ if (*cp2 == p)
+ {
+ q->elements[j++] = p;
+ break;
+ }
+ }
+ queue_truncate(q, j);
+}
+
+static void
+prune_to_dup_packages(Solver *solv, Id p, Queue *q)
+{
+ int i, j;
+ for (i = j = 0; i < q->count; i++)
+ {
+ Id p = q->elements[i];
+ if (MAPTST(&solv->dupmap, p))
+ q->elements[j++] = p;
+ }
+ queue_truncate(q, j);
+}
+
+void
+solver_addbestrules(Solver *solv, int havebestinstalljobs)
{
Pool *pool = solv->pool;
+ Id p;
+ Solvable *s;
Repo *installed = solv->installed;
- Queue *job = &solv->job;
- Map userinstalled;
- Map im;
- Map installedm;
+ Queue q, q2;
Rule *r;
- Id rid, how, what, select;
- Id p, pp, ip, *jp;
- Id req, *reqp, sup, *supp;
- Solvable *s;
- Queue iq;
- int i;
+ Queue r2pkg;
+ int i, oldcnt;
- map_init(&userinstalled, installed->end - installed->start);
- map_init(&im, pool->nsolvables);
- map_init(&installedm, pool->nsolvables);
- map_empty(&solv->cleandepsmap);
- queue_init(&iq);
+ solv->bestrules = solv->nrules;
+ if (!installed)
+ {
+ solv->bestrules_end = solv->nrules;
+ return;
+ }
+ queue_init(&q);
+ queue_init(&q2);
+ queue_init(&r2pkg);
- for (i = 0; i < job->count; i += 2)
+ if (havebestinstalljobs)
{
- how = job->elements[i];
- if ((how & SOLVER_JOBMASK) == SOLVER_USERINSTALLED)
+ for (i = 0; i < solv->job.count; i += 2)
{
- what = job->elements[i + 1];
- select = how & SOLVER_SELECTMASK;
- FOR_JOB_SELECT(p, pp, select, what)
- if (pool->solvables[p].repo == installed)
- MAPSET(&userinstalled, p - installed->start);
+ if ((solv->job.elements[i] & (SOLVER_JOBMASK | SOLVER_FORCEBEST)) == (SOLVER_INSTALL | SOLVER_FORCEBEST))
+ {
+ int j;
+ Id p2, pp2;
+ for (j = 0; j < solv->ruletojob.count; j++)
+ if (solv->ruletojob.elements[j] == i)
+ break;
+ if (j == solv->ruletojob.count)
+ continue;
+ r = solv->rules + solv->jobrules + j;
+ queue_empty(&q);
+ FOR_RULELITERALS(p2, pp2, r)
+ if (p2 > 0)
+ queue_push(&q, p2);
+ if (!q.count)
+ continue; /* orphaned */
+ /* select best packages, just look at prio and version */
+ oldcnt = q.count;
+ policy_filter_unwanted(solv, &q, POLICY_MODE_RECOMMEND);
+ if (q.count == oldcnt)
+ continue; /* nothing filtered */
+ p2 = queue_shift(&q);
+ solver_addrule(solv, p2, q.count ? pool_queuetowhatprovides(pool, &q) : 0);
+ queue_push(&r2pkg, -(solv->jobrules + j));
+ }
}
}
- /* add all positive elements (e.g. locks) to "userinstalled" */
- for (rid = solv->jobrules; rid < solv->jobrules_end; rid++)
+
+ if (solv->bestupdatemap_all || solv->bestupdatemap.size)
{
- r = solv->rules + rid;
- if (r->d < 0)
- continue;
- FOR_RULELITERALS(p, jp, r)
- if (p > 0 && pool->solvables[p].repo == installed)
- MAPSET(&userinstalled, p - installed->start);
- }
+ FOR_REPO_SOLVABLES(installed, p, s)
+ {
+ Id d, p2, pp2;
+ if (!solv->updatemap_all && (!solv->updatemap.size || !MAPTST(&solv->updatemap, p - installed->start)))
+ continue;
+ if (!solv->bestupdatemap_all && (!solv->bestupdatemap.size || !MAPTST(&solv->bestupdatemap, p - installed->start)))
+ continue;
+ queue_empty(&q);
+ if (solv->bestobeypolicy)
+ r = solv->rules + solv->updaterules + (p - installed->start);
+ else
+ {
+ r = solv->rules + solv->featurerules + (p - installed->start);
+ if (!r->p) /* identical to update rule? */
+ r = solv->rules + solv->updaterules + (p - installed->start);
+ }
+ if (solv->multiversionupdaters && (d = solv->multiversionupdaters[p - installed->start]) != 0 && r == solv->rules + solv->updaterules + (p - installed->start))
+ {
+ /* need to check multiversionupdaters */
+ if (r->p == p) /* be careful with the dup case */
+ queue_push(&q, p);
+ while ((p2 = pool->whatprovidesdata[d++]) != 0)
+ queue_push(&q, p2);
+ }
+ else
+ {
+ FOR_RULELITERALS(p2, pp2, r)
+ if (p2 > 0)
+ queue_push(&q, p2);
+ }
+ if (solv->update_targets && solv->update_targets->elements[p - installed->start])
+ prune_to_update_targets(solv, solv->update_targets->elements + solv->update_targets->elements[p - installed->start], &q);
+ if (solv->dupinvolvedmap.size && MAPTST(&solv->dupinvolvedmap, p))
+ prune_to_dup_packages(solv, p, &q);
+ /* select best packages, just look at prio and version */
+ policy_filter_unwanted(solv, &q, POLICY_MODE_RECOMMEND);
+ if (!q.count)
+ continue; /* orphaned */
+ if (solv->bestobeypolicy)
+ {
+ /* also filter the best of the feature rule packages and add them */
+ r = solv->rules + solv->featurerules + (p - installed->start);
+ if (r->p)
+ {
+ int j;
+ queue_empty(&q2);
+ FOR_RULELITERALS(p2, pp2, r)
+ if (p2 > 0)
+ queue_push(&q2, p2);
+ if (solv->update_targets && solv->update_targets->elements[p - installed->start])
+ prune_to_update_targets(solv, solv->update_targets->elements + solv->update_targets->elements[p - installed->start], &q2);
+ if (solv->dupinvolvedmap.size && MAPTST(&solv->dupinvolvedmap, p))
+ prune_to_dup_packages(solv, p, &q);
+ policy_filter_unwanted(solv, &q2, POLICY_MODE_RECOMMEND);
+ for (j = 0; j < q2.count; j++)
+ queue_pushunique(&q, q2.elements[j]);
+ }
+ }
+ p2 = queue_shift(&q);
+ solver_addrule(solv, p2, q.count ? pool_queuetowhatprovides(pool, &q) : 0);
+ queue_push(&r2pkg, p);
+ }
+ }
+ if (r2pkg.count)
+ {
+ solv->bestrules_pkg = solv_calloc(r2pkg.count, sizeof(Id));
+ memcpy(solv->bestrules_pkg, r2pkg.elements, r2pkg.count * sizeof(Id));
+ }
+ solv->bestrules_end = solv->nrules;
+ queue_free(&q);
+ queue_free(&q2);
+ queue_free(&r2pkg);
+}
+
+#undef CLEANDEPSDEBUG
+
+/*
+ * This functions collects all packages that are looked at
+ * when a dependency is checked. We need it to "pin" installed
+ * packages when removing a supplemented package in createcleandepsmap.
+ * Here's an not uncommon example:
+ * A contains "Supplements: packageand(B, C)"
+ * B contains "Requires: A"
+ * Now if we remove C, the supplements is no longer true,
+ * thus we also remove A. Without the dep_pkgcheck function, we
+ * would now also remove B, but this is wrong, as adding back
+ * C doesn't make the supplements true again. Thus we "pin" B
+ * when we remove A.
+ * There's probably a better way to do this, but I haven't come
+ * up with it yet ;)
+ */
+static inline void
+dep_pkgcheck(Solver *solv, Id dep, Map *m, Queue *q)
+{
+ Pool *pool = solv->pool;
+ Id p, pp;
+
+ if (ISRELDEP(dep))
+ {
+ Reldep *rd = GETRELDEP(pool, dep);
+ if (rd->flags >= 8)
+ {
+ if (rd->flags == REL_AND)
+ {
+ dep_pkgcheck(solv, rd->name, m, q);
+ dep_pkgcheck(solv, rd->evr, m, q);
+ return;
+ }
+ if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_SPLITPROVIDES)
+ return;
+ if (rd->flags == REL_NAMESPACE && rd->name == NAMESPACE_INSTALLED)
+ return;
+ }
+ }
+ FOR_PROVIDES(p, pp, dep)
+ if (!m || MAPTST(m, p))
+ queue_push(q, p);
+}
+
+/*
+ * Find all installed packages that are no longer
+ * needed regarding the current solver job.
+ *
+ * The algorithm is:
+ * - remove pass: remove all packages that could have
+ * been dragged in by the obsoleted packages.
+ * i.e. if package A is obsolete and contains "Requires: B",
+ * also remove B, as installing A will have pulled in B.
+ * after this pass, we have a set of still installed packages
+ * with broken dependencies.
+ * - add back pass:
+ * now add back all packages that the still installed packages
+ * require.
+ *
+ * The cleandeps packages are the packages removed in the first
+ * pass and not added back in the second pass.
+ *
+ * If we search for unneeded packages (unneeded is true), we
+ * simply remove all packages except the userinstalled ones in
+ * the first pass.
+ */
+static void
+solver_createcleandepsmap(Solver *solv, Map *cleandepsmap, int unneeded)
+{
+ Pool *pool = solv->pool;
+ Repo *installed = solv->installed;
+ Queue *job = &solv->job;
+ Map userinstalled;
+ Map im;
+ Map installedm;
+ Rule *r;
+ Id rid, how, what, select;
+ Id p, pp, ip, jp;
+ Id req, *reqp, sup, *supp;
+ Solvable *s;
+ Queue iq;
+ int i;
+
+ map_empty(cleandepsmap);
+ if (!installed || installed->end == installed->start)
+ return;
+ map_init(&userinstalled, installed->end - installed->start);
+ map_init(&im, pool->nsolvables);
+ map_init(&installedm, pool->nsolvables);
+ queue_init(&iq);
+
+ for (i = 0; i < job->count; i += 2)
+ {
+ how = job->elements[i];
+ if ((how & SOLVER_JOBMASK) == SOLVER_USERINSTALLED)
+ {
+ what = job->elements[i + 1];
+ select = how & SOLVER_SELECTMASK;
+ if (select == SOLVER_SOLVABLE_ALL || (select == SOLVER_SOLVABLE_REPO && what == installed->repoid))
+ FOR_REPO_SOLVABLES(installed, p, s)
+ MAPSET(&userinstalled, p - installed->start);
+ FOR_JOB_SELECT(p, pp, select, what)
+ if (pool->solvables[p].repo == installed)
+ MAPSET(&userinstalled, p - installed->start);
+ }
+ }
+
+ /* also add visible patterns to userinstalled for openSUSE */
+ if (1)
+ {
+ Dataiterator di;
+ dataiterator_init(&di, pool, 0, 0, SOLVABLE_ISVISIBLE, 0, 0);
+ while (dataiterator_step(&di))
+ {
+ Id *dp;
+ if (di.solvid <= 0)
+ continue;
+ s = pool->solvables + di.solvid;
+ if (!s->repo || !s->requires)
+ continue;
+ if (s->repo != installed && !pool_installable(pool, s))
+ continue;
+ if (strncmp(pool_id2str(pool, s->name), "pattern:", 8) != 0)
+ continue;
+ dp = s->repo->idarraydata + s->requires;
+ for (dp = s->repo->idarraydata + s->requires; *dp; dp++)
+ FOR_PROVIDES(p, pp, *dp)
+ if (pool->solvables[p].repo == installed)
+ {
+ if (strncmp(pool_id2str(pool, pool->solvables[p].name), "pattern", 7) != 0)
+ continue;
+ MAPSET(&userinstalled, p - installed->start);
+ }
+ }
+ dataiterator_free(&di);
+ }
+ if (1)
+ {
+ /* all products and their buddies are userinstalled */
+ for (p = installed->start; p < installed->end; p++)
+ {
+ Solvable *s = pool->solvables + p;
+ if (s->repo != installed)
+ continue;
+ if (!strncmp("product:", pool_id2str(pool, s->name), 8))
+ {
+ MAPSET(&userinstalled, p - installed->start);
+ if (pool->nscallback)
+ {
+ Id buddy = pool->nscallback(pool, pool->nscallbackdata, NAMESPACE_PRODUCTBUDDY, p);
+ if (buddy >= installed->start && buddy < installed->end && pool->solvables[buddy].repo == installed)
+ MAPSET(&userinstalled, buddy - installed->start);
+ }
+ }
+ }
+ }
+
+ /* add all positive elements (e.g. locks) to "userinstalled" */
for (rid = solv->jobrules; rid < solv->jobrules_end; rid++)
{
r = solv->rules + rid;
- if (r->p >= 0 || r->d != 0)
- continue; /* disabled or not erase */
- p = -r->p;
+ if (r->d < 0)
+ continue;
+ i = solv->ruletojob.elements[rid - solv->jobrules];
+ if ((job->elements[i] & SOLVER_CLEANDEPS) == SOLVER_CLEANDEPS)
+ continue;
+ FOR_RULELITERALS(p, jp, r)
+ if (p > 0 && pool->solvables[p].repo == installed)
+ MAPSET(&userinstalled, p - installed->start);
+ }
+
+ /* add all cleandeps candidates to iq */
+ for (rid = solv->jobrules; rid < solv->jobrules_end; rid++)
+ {
+ r = solv->rules + rid;
+ if (r->d < 0)
+ continue;
+ if (r->d == 0 && r->p < 0 && r->w2 == 0)
+ {
+ p = -r->p;
+ if (pool->solvables[p].repo != installed)
+ continue;
+ MAPCLR(&userinstalled, p - installed->start);
+ if (unneeded)
+ continue;
+ i = solv->ruletojob.elements[rid - solv->jobrules];
+ how = job->elements[i];
+ if ((how & (SOLVER_JOBMASK|SOLVER_CLEANDEPS)) == (SOLVER_ERASE|SOLVER_CLEANDEPS))
+ queue_push(&iq, p);
+ }
+ else if (r->p > 0)
+ {
+ if (unneeded)
+ continue;
+ i = solv->ruletojob.elements[rid - solv->jobrules];
+ if ((job->elements[i] & SOLVER_CLEANDEPS) == SOLVER_CLEANDEPS)
+ {
+ /* check if the literals all obsolete some installed package */
+ Map om;
+ int iqstart;
+
+ /* just one installed literal */
+ if (r->d == 0 && r->w2 == 0 && pool->solvables[r->p].repo == installed)
+ continue;
+ /* noobs is bad */
+ if (solv->noobsoletes.size && !solv->keepexplicitobsoletes)
+ {
+ FOR_RULELITERALS(p, jp, r)
+ if (MAPTST(&solv->noobsoletes, p))
+ break;
+ if (p)
+ continue;
+ }
+
+ om.size = 0;
+ iqstart = iq.count;
+ FOR_RULELITERALS(p, jp, r)
+ {
+ if (p < 0)
+ {
+ queue_truncate(&iq, iqstart); /* abort */
+ break;
+ }
+ if (pool->solvables[p].repo == installed)
+ {
+ if (iq.count == iqstart)
+ queue_push(&iq, p);
+ else
+ {
+ for (i = iqstart; i < iq.count; i++)
+ if (iq.elements[i] == p)
+ break;
+ queue_truncate(&iq, iqstart);
+ if (i < iq.count)
+ queue_push(&iq, p);
+ }
+ }
+ else
+ intersect_obsoletes(solv, p, &iq, iqstart, &om);
+ if (iq.count == iqstart)
+ break;
+ }
+ if (om.size)
+ map_free(&om);
+ }
+ }
+ }
+
+ if (!unneeded)
+ {
+ if (solv->cleandeps_updatepkgs)
+ for (i = 0; i < solv->cleandeps_updatepkgs->count; i++)
+ queue_push(&iq, solv->cleandeps_updatepkgs->elements[i]);
+ }
+
+ if (unneeded)
+ queue_empty(&iq); /* just in case... */
+
+ /* clear userinstalled bit for the packages we really want to delete/update */
+ for (i = 0; i < iq.count; i++)
+ {
+ p = iq.elements[i];
if (pool->solvables[p].repo != installed)
continue;
MAPCLR(&userinstalled, p - installed->start);
- i = solv->ruletojob.elements[rid - solv->jobrules];
- how = job->elements[i];
- if ((how & (SOLVER_JOBMASK|SOLVER_CLEANDEPS)) == (SOLVER_ERASE|SOLVER_CLEANDEPS))
- queue_push(&iq, p);
}
+
for (p = installed->start; p < installed->end; p++)
{
if (pool->solvables[p].repo != installed)
continue;
MAPSET(&installedm, p);
+ if (unneeded && !MAPTST(&userinstalled, p - installed->start))
+ continue;
MAPSET(&im, p);
}
- while (iq.count)
+#ifdef CLEANDEPSDEBUG
+ printf("REMOVE PASS\n");
+#endif
+
+ for (;;)
{
+ if (!iq.count)
+ {
+ if (unneeded)
+ break;
+ /* supplements pass */
+ for (ip = solv->installed->start; ip < solv->installed->end; ip++)
+ {
+ if (!MAPTST(&installedm, ip))
+ continue;
+ s = pool->solvables + ip;
+ if (!s->supplements)
+ continue;
+ if (!MAPTST(&im, ip))
+ continue;
+ if (MAPTST(&userinstalled, ip - installed->start))
+ continue;
+ supp = s->repo->idarraydata + s->supplements;
+ while ((sup = *supp++) != 0)
+ if (dep_possible(solv, sup, &im))
+ break;
+ if (!sup)
+ {
+ supp = s->repo->idarraydata + s->supplements;
+ while ((sup = *supp++) != 0)
+ if (dep_possible(solv, sup, &installedm))
+ {
+ /* no longer supplemented, also erase */
+ int iqcount = iq.count;
+ /* pin packages, see comment above dep_pkgcheck */
+ dep_pkgcheck(solv, sup, &im, &iq);
+ for (i = iqcount; i < iq.count; i++)
+ {
+ Id pqp = iq.elements[i];
+ if (pool->solvables[pqp].repo == installed)
+ MAPSET(&userinstalled, pqp - installed->start);
+ }
+ queue_truncate(&iq, iqcount);
+#ifdef CLEANDEPSDEBUG
+ printf("%s supplemented\n", pool_solvid2str(pool, ip));
+#endif
+ queue_push(&iq, ip);
+ }
+ }
+ }
+ if (!iq.count)
+ break;
+ }
ip = queue_shift(&iq);
s = pool->solvables + ip;
if (!MAPTST(&im, ip))
continue;
MAPCLR(&im, ip);
#ifdef CLEANDEPSDEBUG
- printf("hello %s\n", solvable2str(pool, s));
+ printf("removing %s\n", pool_solvable2str(pool, s));
#endif
if (s->requires)
{
if (MAPTST(&im, p))
{
#ifdef CLEANDEPSDEBUG
- printf("%s requires %s\n", solvid2str(pool, ip), solvid2str(pool, p));
+ printf("%s requires %s\n", pool_solvid2str(pool, ip), pool_solvid2str(pool, p));
#endif
queue_push(&iq, p);
}
if (MAPTST(&im, p))
{
#ifdef CLEANDEPSDEBUG
- printf("%s recommends %s\n", solvid2str(pool, ip), solvid2str(pool, p));
+ printf("%s recommends %s\n", pool_solvid2str(pool, ip), pool_solvid2str(pool, p));
#endif
queue_push(&iq, p);
}
}
}
}
- if (!iq.count)
- {
- /* supplements pass */
- for (ip = solv->installed->start; ip < solv->installed->end; ip++)
- {
- if (!MAPTST(&installedm, ip))
- continue;
- s = pool->solvables + ip;
- if (!s->supplements)
- continue;
- if (!MAPTST(&im, ip))
- continue;
- supp = s->repo->idarraydata + s->supplements;
- while ((sup = *supp++) != 0)
- if (!dep_possible(solv, sup, &im) && dep_possible(solv, sup, &installedm))
- break;
- /* no longer supplemented, also erase */
- if (sup)
- {
-#ifdef CLEANDEPSDEBUG
- printf("%s supplemented\n", solvid2str(pool, ip));
-#endif
- queue_push(&iq, ip);
- }
- }
- }
}
/* turn userinstalled into remove set for pruning */
for (rid = solv->jobrules; rid < solv->jobrules_end; rid++)
{
r = solv->rules + rid;
- if (r->p >= 0 || r->d != 0)
+ if (r->p >= 0 || r->d != 0 || r->w2 != 0)
continue; /* disabled or not erase */
p = -r->p;
MAPCLR(&im, p);
queue_push(&iq, what);
}
}
- while (iq.count)
+
+#ifdef CLEANDEPSDEBUG
+ printf("ADDBACK PASS\n");
+#endif
+ for (;;)
{
+ if (!iq.count)
+ {
+ /* supplements pass */
+ for (ip = installed->start; ip < installed->end; ip++)
+ {
+ if (!MAPTST(&installedm, ip))
+ continue;
+ if (MAPTST(&userinstalled, ip - installed->start))
+ continue;
+ s = pool->solvables + ip;
+ if (!s->supplements)
+ continue;
+ if (MAPTST(&im, ip))
+ continue;
+ supp = s->repo->idarraydata + s->supplements;
+ while ((sup = *supp++) != 0)
+ if (dep_possible(solv, sup, &im))
+ break;
+ if (sup)
+ {
+#ifdef CLEANDEPSDEBUG
+ printf("%s supplemented\n", pool_solvid2str(pool, ip));
+#endif
+ MAPSET(&im, ip);
+ queue_push(&iq, ip);
+ }
+ }
+ if (!iq.count)
+ break;
+ }
ip = queue_shift(&iq);
s = pool->solvables + ip;
#ifdef CLEANDEPSDEBUG
- printf("bye %s\n", solvable2str(pool, s));
+ printf("adding back %s\n", pool_solvable2str(pool, s));
#endif
if (s->requires)
{
if (MAPTST(&userinstalled, p - installed->start))
continue;
#ifdef CLEANDEPSDEBUG
- printf("%s requires %s\n", solvid2str(pool, ip), solvid2str(pool, p));
+ printf("%s requires %s\n", pool_solvid2str(pool, ip), pool_solvid2str(pool, p));
#endif
MAPSET(&im, p);
queue_push(&iq, p);
if (MAPTST(&userinstalled, p - installed->start))
continue;
#ifdef CLEANDEPSDEBUG
- printf("%s recommends %s\n", solvid2str(pool, ip), solvid2str(pool, p));
+ printf("%s recommends %s\n", pool_solvid2str(pool, ip), pool_solvid2str(pool, p));
#endif
MAPSET(&im, p);
queue_push(&iq, p);
}
}
}
- if (!iq.count)
- {
- /* supplements pass */
- for (ip = installed->start; ip < installed->end; ip++)
- {
- if (!MAPTST(&installedm, ip))
- continue;
- if (MAPTST(&userinstalled, ip - installed->start))
- continue;
- s = pool->solvables + ip;
- if (!s->supplements)
- continue;
- if (MAPTST(&im, ip) || !MAPTST(&installedm, ip))
- continue;
- supp = s->repo->idarraydata + s->supplements;
- while ((sup = *supp++) != 0)
- if (dep_possible(solv, sup, &im))
- break;
- if (sup)
- {
-#ifdef CLEANDEPSDEBUG
- printf("%s supplemented\n", solvid2str(pool, ip));
-#endif
- MAPSET(&im, ip);
- queue_push(&iq, ip);
- }
- }
- }
}
queue_free(&iq);
+ if (solv->cleandeps_updatepkgs)
+ for (i = 0; i < solv->cleandeps_updatepkgs->count; i++)
+ MAPSET(&im, solv->cleandeps_updatepkgs->elements[i]);
+ if (solv->cleandeps_mistakes)
+ for (i = 0; i < solv->cleandeps_mistakes->count; i++)
+ MAPSET(&im, solv->cleandeps_mistakes->elements[i]);
for (p = installed->start; p < installed->end; p++)
{
if (pool->solvables[p].repo != installed)
continue;
if (!MAPTST(&im, p))
- MAPSET(&solv->cleandepsmap, p - installed->start);
+ MAPSET(cleandepsmap, p - installed->start);
}
map_free(&im);
map_free(&installedm);
}
+struct trj_data {
+ Queue *edges;
+ Id *low;
+ Id idx;
+ Id nstack;
+ Id firstidx;
+};
+
+/* Tarjan's SCC algorithm, slightly modifed */
+static void
+trj_visit(struct trj_data *trj, Id node)
+{
+ Id *low = trj->low;
+ Queue *edges = trj->edges;
+ Id nnode, myidx, stackstart;
+ int i;
+
+ low[node] = myidx = trj->idx++;
+ low[(stackstart = trj->nstack++)] = node;
+ for (i = edges->elements[node]; (nnode = edges->elements[i]) != 0; i++)
+ {
+ Id l = low[nnode];
+ if (!l)
+ {
+ if (!edges->elements[edges->elements[nnode]])
+ {
+ trj->idx++;
+ low[nnode] = -1;
+ continue;
+ }
+ trj_visit(trj, nnode);
+ l = low[nnode];
+ }
+ if (l < 0)
+ continue;
+ if (l < trj->firstidx)
+ {
+ int k;
+ for (k = l; low[low[k]] == l; k++)
+ low[low[k]] = -1;
+ }
+ else if (l < low[node])
+ low[node] = l;
+ }
+ if (low[node] == myidx)
+ {
+ if (myidx != trj->firstidx)
+ myidx = -1;
+ for (i = stackstart; i < trj->nstack; i++)
+ low[low[i]] = myidx;
+ trj->nstack = stackstart;
+ }
+}
+
+
+void
+solver_get_unneeded(Solver *solv, Queue *unneededq, int filtered)
+{
+ Repo *installed = solv->installed;
+ int i;
+ Map cleandepsmap;
+
+ queue_empty(unneededq);
+ if (!installed || installed->end == installed->start)
+ return;
+
+ map_init(&cleandepsmap, installed->end - installed->start);
+ solver_createcleandepsmap(solv, &cleandepsmap, 1);
+ for (i = installed->start; i < installed->end; i++)
+ if (MAPTST(&cleandepsmap, i - installed->start))
+ queue_push(unneededq, i);
+
+ if (filtered && unneededq->count > 1)
+ {
+ Pool *pool = solv->pool;
+ Queue edges;
+ Id *nrequires;
+ Map installedm;
+ int j, pass, count = unneededq->count;
+ Id *low;
+
+ map_init(&installedm, pool->nsolvables);
+ for (i = installed->start; i < installed->end; i++)
+ if (pool->solvables[i].repo == installed)
+ MAPSET(&installedm, i);
+
+ nrequires = solv_calloc(count, sizeof(Id));
+ queue_init(&edges);
+ queue_prealloc(&edges, count * 4 + 10); /* pre-size */
+
+ /*
+ * Go through the solvables in the nodes queue and create edges for
+ * all requires/recommends/supplements between the nodes.
+ * The edges are stored in the edges queue, we add 1 to the node
+ * index so that nodes in the edges queue are != 0 and we can
+ * terminate the edge list with 0.
+ * Thus for node element 5, the edges are stored starting at
+ * edges.elements[6] and are 0-terminated.
+ */
+ /* leave first element zero to make things easier */
+ /* also add trailing zero */
+ queue_insertn(&edges, 0, 1 + count + 1);
+
+ /* first requires and recommends */
+ for (i = 0; i < count; i++)
+ {
+ Solvable *s = pool->solvables + unneededq->elements[i];
+ edges.elements[i + 1] = edges.count;
+ for (pass = 0; pass < 2; pass++)
+ {
+ int num = 0;
+ unsigned int off = pass == 0 ? s->requires : s->recommends;
+ Id p, pp, *dp;
+ if (off)
+ for (dp = s->repo->idarraydata + off; *dp; dp++)
+ FOR_PROVIDES(p, pp, *dp)
+ {
+ Solvable *sp = pool->solvables + p;
+ if (s == sp || sp->repo != installed || !MAPTST(&cleandepsmap, p - installed->start))
+ continue;
+ for (j = 0; j < count; j++)
+ if (p == unneededq->elements[j])
+ break;
+ if (j == count)
+ continue;
+ if (num && edges.elements[edges.count - 1] == j + 1)
+ continue;
+ queue_push(&edges, j + 1);
+ num++;
+ }
+ if (pass == 0)
+ nrequires[i] = num;
+ }
+ queue_push(&edges, 0);
+ }
+#if 0
+ printf("requires + recommends\n");
+ for (i = 0; i < count; i++)
+ {
+ int j;
+ printf(" %s (%d requires):\n", pool_solvid2str(pool, unneededq->elements[i]), nrequires[i]);
+ for (j = edges.elements[i + 1]; edges.elements[j]; j++)
+ printf(" - %s\n", pool_solvid2str(pool, unneededq->elements[edges.elements[j] - 1]));
+ }
+#endif
+
+ /* then add supplements */
+ for (i = 0; i < count; i++)
+ {
+ Solvable *s = pool->solvables + unneededq->elements[i];
+ if (s->supplements)
+ {
+ Id *dp;
+ int k;
+ for (dp = s->repo->idarraydata + s->supplements; *dp; dp++)
+ if (dep_possible(solv, *dp, &installedm))
+ {
+ Queue iq;
+ Id iqbuf[16];
+ queue_init_buffer(&iq, iqbuf, sizeof(iqbuf)/sizeof(*iqbuf));
+ dep_pkgcheck(solv, *dp, 0, &iq);
+ for (k = 0; k < iq.count; k++)
+ {
+ Id p = iq.elements[k];
+ Solvable *sp = pool->solvables + p;
+ if (p == unneededq->elements[i] || sp->repo != installed || !MAPTST(&cleandepsmap, p - installed->start))
+ continue;
+ for (j = 0; j < count; j++)
+ if (p == unneededq->elements[j])
+ break;
+ /* now add edge from j + 1 to i + 1 */
+ queue_insert(&edges, edges.elements[j + 1] + nrequires[j], i + 1);
+ /* addapt following edge pointers */
+ for (k = j + 2; k < count + 2; k++)
+ edges.elements[k]++;
+ }
+ queue_free(&iq);
+ }
+ }
+ }
+#if 0
+ /* print result */
+ printf("+ supplements\n");
+ for (i = 0; i < count; i++)
+ {
+ int j;
+ printf(" %s (%d requires):\n", pool_solvid2str(pool, unneededq->elements[i]), nrequires[i]);
+ for (j = edges.elements[i + 1]; edges.elements[j]; j++)
+ printf(" - %s\n", pool_solvid2str(pool, unneededq->elements[edges.elements[j] - 1]));
+ }
+#endif
+ map_free(&installedm);
+
+ /* now run SCC algo two times, first with requires+recommends+supplements,
+ * then again without the requires. We run it the second time to get rid
+ * of packages that got dragged in via recommends/supplements */
+ /*
+ * low will contain the result of the SCC search.
+ * it must be of at least size 2 * (count + 1) and
+ * must be zero initialized.
+ * The layout is:
+ * 0 low low ... low stack stack ...stack 0
+ * count count
+ */
+ low = solv_calloc(count + 1, 2 * sizeof(Id));
+ for (pass = 0; pass < 2; pass++)
+ {
+ struct trj_data trj;
+ if (pass)
+ {
+ memset(low, 0, (count + 1) * (2 * sizeof(Id)));
+ for (i = 0; i < count; i++)
+ {
+ edges.elements[i + 1] += nrequires[i];
+ if (!unneededq->elements[i])
+ low[i + 1] = -1; /* ignore this node */
+ }
+ }
+ trj.edges = &edges;
+ trj.low = low;
+ trj.idx = count + 1; /* stack starts here */
+ for (i = 1; i <= count; i++)
+ {
+ if (low[i])
+ continue;
+ if (edges.elements[edges.elements[i]])
+ {
+ trj.firstidx = trj.nstack = trj.idx;
+ trj_visit(&trj, i);
+ }
+ else
+ {
+ Id myidx = trj.idx++;
+ low[i] = myidx;
+ low[myidx] = i;
+ }
+ }
+ /* prune packages */
+ for (i = 0; i < count; i++)
+ if (low[i + 1] <= 0)
+ unneededq->elements[i] = 0;
+ }
+ solv_free(low);
+ solv_free(nrequires);
+ queue_free(&edges);
+
+ /* finally remove all pruned entries from unneededq */
+ for (i = j = 0; i < count; i++)
+ if (unneededq->elements[i])
+ unneededq->elements[j++] = unneededq->elements[i];
+ queue_truncate(unneededq, j);
+ }
+ map_free(&cleandepsmap);
+}
+
/* EOF */
projects / platform / upstream / libsolv.git / blobdiff