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pacman
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conflict checks: when doing db-vs-target checks, opt to use the NEWER, to-be-installed package instead of the local db version if there's one available

This commit is contained in:
Judd Vinet 2006-02-21 23:55:59 +00:00
parent 910fd6a687
commit 7706188979
1 changed files with 20 additions and 2 deletions
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22
lib/libalpm/conflict.c
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@ -132,12 +132,30 @@ PMList *_alpm_checkconflicts(pmdb_t *db, PMList *packages)
}
/* CHECK 3: check database against targets */
for(k = _alpm_db_get_pkgcache(db); k; k = k->next) {
PMList *conflicts = NULL;
int usenewconflicts = 0;
info = k->data;
if(!strcmp(info->name, tp->name)) {
/* a package cannot conflict with itself -- that's just not nice */
continue;
}
for(j = info->conflicts; j; j = j->next) {
/* If this package (*info) is also in our packages PMList, use the
* conflicts list from the new package, not the old one (*info)
*/
for(j = packages; j; j = j->next) {
pmpkg_t *pkg = j->data;
if(!strcmp(pkg->name, info->name)) {
/* Use the new, to-be-installed package's conflicts */
conflicts = pkg->conflicts;
usenewconflicts = 1;
}
}
if(!usenewconflicts) {
/* Use the old package's conflicts, it's the only set we have */
conflicts = info->conflicts;
}
for(j = conflicts; j; j = j->next) {
if(!strcmp((char *)j->data, tp->name)) {
_alpm_log(PM_LOG_DEBUG, "db vs targs: found %s as a conflict for %s",
info->name, tp->name);
@ -150,7 +168,7 @@ PMList *_alpm_checkconflicts(pmdb_t *db, PMList *packages)
} else {
/* see if the db package conflicts with something we provide */
PMList *m;
for(m = info->conflicts; m; m = m->next) {
for(m = conflicts; m; m = m->next) {
PMList *n;
for(n = tp->provides; n; n = n->next) {
if(!strcmp(m->data, n->data)) {