/* Add erase elements for obsoleted packages of same color (if any). */
static int addObsoleteErasures(rpmts ts, rpm_color_t tscolor, rpmte p)
{
rpmstrPool tspool = rpmtsPool(ts);
rpmds obsoletes = rpmdsInit(rpmteDS(p, RPMTAG_OBSOLETENAME));
Header oh;
int rc = 0;
while (rpmdsNext(obsoletes) >= 0 && rc == 0) {
const char * Name;
rpmdbMatchIterator mi = NULL;
if ((Name = rpmdsN(obsoletes)) == NULL)
continue; /* XXX can't happen */
mi = rpmtsPrunedIterator(ts, RPMDBI_NAME, Name, 1);
while((oh = rpmdbNextIterator(mi)) != NULL) {
const char *oarch = headerGetString(oh, RPMTAG_ARCH);
int match;
/* avoid self-obsoleting packages */
if (rstreq(rpmteN(p), Name) && rstreq(rpmteA(p), oarch)) {
char * ohNEVRA = headerGetAsString(oh, RPMTAG_NEVRA);
rpmlog(RPMLOG_DEBUG, " Not obsoleting: %s\n", ohNEVRA);
free(ohNEVRA);
continue;
}
/*
* Rpm prior to 3.0.3 does not have versioned obsoletes.
* If no obsoletes version info is available, match all names.
*/
match = (rpmdsEVR(obsoletes) == NULL);
if (!match)
match = rpmdsMatches(tspool, oh, -1, obsoletes, 1,
_rpmds_nopromote);
if (match) {
char * ohNEVRA = headerGetAsString(oh, RPMTAG_NEVRA);
rpmlog(RPMLOG_DEBUG, " Obsoletes: %s\t\terases %s\n",
rpmdsDNEVR(obsoletes)+2, ohNEVRA);
free(ohNEVRA);
if (removePackage(ts, oh, p)) {
rc = 1;
break;
}
}
}
rpmdbFreeIterator(mi);
}
return rc;
}
/**
* Ensure that current package is newer than installed package.
* @param tspool transaction string pool
* @param p current transaction element
* @param h installed header
*/
static void ensureOlder(rpmstrPool tspool, const rpmte p, const Header h)
{
rpmsenseFlags reqFlags = (RPMSENSE_LESS | RPMSENSE_EQUAL);
rpmds req;
req = rpmdsSinglePool(tspool, RPMTAG_REQUIRENAME,
rpmteN(p), rpmteEVR(p), reqFlags);
if (rpmdsMatches(tspool, h, -1, req, 1, _rpmds_nopromote) == 0) {
char * altNEVR = headerGetAsString(h, RPMTAG_NEVRA);
rpmteAddProblem(p, RPMPROB_OLDPACKAGE, altNEVR, NULL,
headerGetInstance(h));
free(altNEVR);
}
rpmdsFree(req);
}
/* Cached rpmdb provide lookup, returns 0 if satisfied, 1 otherwise */
static int rpmdbProvides(rpmts ts, depCache dcache, rpmds dep)
{
const char * Name = rpmdsN(dep);
const char * DNEVR = rpmdsDNEVR(dep);
rpmTagVal deptag = rpmdsTagN(dep);
int *cachedrc = NULL;
rpmdbMatchIterator mi = NULL;
Header h = NULL;
int rc = 0;
/* pretrans deps are provided by current packages, don't prune erasures */
int prune = (rpmdsFlags(dep) & RPMSENSE_PRETRANS) ? 0 : 1;
unsigned int keyhash = 0;
/* See if we already looked this up */
if (prune) {
keyhash = depCacheKeyHash(dcache, DNEVR);
if (depCacheGetHEntry(dcache, DNEVR, keyhash, &cachedrc, NULL, NULL)) {
rc = *cachedrc;
rpmdsNotify(dep, "(cached)", rc);
return rc;
}
}
/*
* See if a filename dependency is a real file in some package,
* taking file state into account: replaced, wrong colored and
* not installed files can not satisfy a dependency.
*/
if (deptag != RPMTAG_OBSOLETENAME && Name[0] == '/') {
mi = rpmtsPrunedIterator(ts, RPMDBI_INSTFILENAMES, Name, prune);
while ((h = rpmdbNextIterator(mi)) != NULL) {
/* Ignore self-conflicts */
if (deptag == RPMTAG_CONFLICTNAME) {
unsigned int instance = headerGetInstance(h);
if (instance && instance == rpmdsInstance(dep))
continue;
}
rpmdsNotify(dep, "(db files)", rc);
break;
}
rpmdbFreeIterator(mi);
}
/* Otherwise look in provides no matter what the dependency looks like */
if (h == NULL) {
rpmstrPool tspool = rpmtsPool(ts);
/* Obsoletes use just name alone, everything else uses provides */
rpmTagVal dbtag = RPMDBI_PROVIDENAME;
int selfevr = 0;
if (deptag == RPMTAG_OBSOLETENAME) {
dbtag = RPMDBI_NAME;
selfevr = 1;
}
mi = rpmtsPrunedIterator(ts, dbtag, Name, prune);
while ((h = rpmdbNextIterator(mi)) != NULL) {
/* Provide-indexes can't be used with nevr-only matching */
int prix = (selfevr) ? -1 : rpmdbGetIteratorFileNum(mi);
int match = rpmdsMatches(tspool, h, prix, dep, selfevr,
_rpmds_nopromote);
/* Ignore self-obsoletes and self-conflicts */
if (match && (deptag == RPMTAG_OBSOLETENAME || deptag == RPMTAG_CONFLICTNAME)) {
unsigned int instance = headerGetInstance(h);
if (instance && instance == rpmdsInstance(dep))
match = 0;
}
if (match) {
rpmdsNotify(dep, "(db provides)", rc);
break;
}
}
rpmdbFreeIterator(mi);
}
rc = (h != NULL) ? 0 : 1;
/* Cache the relatively expensive rpmdb lookup results */
/* Caching the oddball non-pruned case would mess up other results */
if (prune)
depCacheAddHEntry(dcache, xstrdup(DNEVR), keyhash, rc);
return rc;
}
int rpmdsNVRMatchesDep(const Header h, const rpmds req, int nopromote)
{
return rpmdsMatches(NULL, h, -1, req, 1, nopromote);
}
int rpmdsMatchesDep (const Header h, int ix, const rpmds req, int nopromote)
{
return rpmdsMatches(NULL, h, ix, req, 0, nopromote);
}