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Code Issues Releases Wiki Activity

reworked resolvedeps: 

- used the cache instead of db_scan() calls
- improved log messages
- more sanity checks
This commit is contained in:
Aurelien Foret 2005-04-02 20:30:09 +00:00
parent 2bbf118842
commit c5418ebfbc
1 changed files with 11 additions and 18 deletions
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29
lib/libalpm/deps.c
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@ -547,9 +547,10 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
PMList *i, *j;
PMList *targ;
PMList *deps = NULL;
PMList **data = NULL;
_alpm_log(PM_LOG_FUNCTION, "%s => %s", __FUNCTION__, syncpkg->name);
if(local == NULL || dbs_sync == NULL || syncpkg == NULL) {
return(-1);
}
targ = pm_list_add(NULL, syncpkg);
deps = checkdeps(local, PM_TRANS_TYPE_ADD, targ);
@ -563,13 +564,11 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
int found = 0;
pmdepmissing_t *miss = i->data;
printf("pkg=%s: dep.name=%s\n", miss->target, miss->depend.name);
/* XXX: conflicts are now treated specially in the _add and _sync functions */
/*if(miss->type == PM_DEP_TYPE_CONFLICT) {
_alpm_log(PM_LOG_ERROR, "cannot resolve dependencies for \"%s\" (it conflict with %s)", miss->target, miss->depend.name);
return(1);
RET_ERR(???, -1);
} else*/
if(miss->type == PM_DEP_TYPE_DEPEND) {
@ -582,10 +581,7 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
for(k = db_get_pkgcache(dbs); !sync && k; k = k->next) {
pmpkg_t *pkg = k->data;
if(!strcmp(miss->depend.name, pkg->name)) {
/* re-fetch the package record with dependency info */
sync = db_scan(dbs, pkg->name, INFRQ_DESC | INFRQ_DEPENDS);
sync->reason = PM_PKG_REASON_DEPEND;
sync = pkg;
}
}
}
@ -595,15 +591,14 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
pmdb_t *dbs = j->data;
provides = _alpm_db_whatprovides(dbs, miss->depend.name);
if(provides) {
/* re-fetch the package record with dependency info */
sync = db_scan(dbs, provides->data, INFRQ_DESC | INFRQ_DEPENDS);
sync->reason = PM_PKG_REASON_DEPEND;
sync = provides->data;
}
FREELISTPTR(provides);
}
if(sync == NULL) {
_alpm_log(PM_LOG_ERROR, "cannot resolve dependencies for \"%s\" (\"%s\" is not in the package set", miss->target, miss->depend.name);
return(1);
pm_errno = PM_ERR_UNRESOLVABLE_DEPS;
goto error;
}
found = 0;
for(j = list; j && !found; j = j->next) {
@ -614,10 +609,9 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
}
if(found) {
/* this dep is already in the target list */
FREE(sync);
continue;
}
_alpm_log(PM_LOG_FLOW2, "resolving %s", sync->name);
_alpm_log(PM_LOG_DEBUG, "resolving %s", sync->name);
found = 0;
for(j = trail; j; j = j->next) {
pmpkg_t *tmp = j->data;
@ -652,7 +646,7 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
if(resolvedeps(local, dbs_sync, sync, list, trail)) {
goto error;
}
_alpm_log(PM_LOG_FLOW2, "adding %s-%s", sync->name, sync->version);
_alpm_log(PM_LOG_DEBUG, "adding dependency %s-%s", sync->name, sync->version);
list = pm_list_add(list, sync);
} else {
_alpm_log(PM_LOG_ERROR, "cannot resolve dependencies for \"%s\"", miss->target);
@ -661,8 +655,7 @@ int resolvedeps(pmdb_t *local, PMList *dbs_sync, pmpkg_t *syncpkg, PMList *list,
}
} else {
/* cycle detected -- skip it */
_alpm_log(PM_LOG_FLOW2, "dependency cycle detected: %s", sync->name);
FREE(sync);
_alpm_log(PM_LOG_DEBUG, "dependency cycle detected: %s", sync->name);
}
}
}