diff options
Diffstat (limited to 'lib/libalpm/alpm.c')
| -rw-r--r-- | lib/libalpm/alpm.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c index de89fb21..62d46e6a 100644 --- a/lib/libalpm/alpm.c +++ b/lib/libalpm/alpm.c @@ -1078,4 +1078,158 @@ int SYMEXPORT alpm_parse_config(char *file, alpm_cb_db_register callback, const /** @} */ +/* This function is mostly the same as sync.c find_replacements and sysupgrade + * functions, and we should be able to combine them - this is an interim + * solution made for -Qu operation */ +alpm_list_t *alpm_get_upgrades() +{ + int found = 0; + alpm_list_t *syncpkgs = NULL; + alpm_list_t *i, *j, *k; + + ALPM_LOG_FUNC; + + /* TODO holy nested loops, Batman! */ + /* check for "recommended" package replacements */ + _alpm_log(PM_LOG_DEBUG, _("checking for package replacements")); + for(i = handle->dbs_sync; i; i = i->next) { + for(j = _alpm_db_get_pkgcache(i->data, INFRQ_DESC); j; j = j->next) { + pmpkg_t *spkg = j->data; + for(k = spkg->replaces; k; k = k->next) { + alpm_list_t *m; + for(m = _alpm_db_get_pkgcache(handle->db_local, INFRQ_NONE); m; m = m->next) { + pmpkg_t *lpkg = m->data; + if(strcmp(k->data, lpkg->name) == 0) { + _alpm_log(PM_LOG_DEBUG, _("checking replacement '%s' for package '%s'"), k->data, spkg->name); + if(alpm_list_find_str(handle->ignorepkg, lpkg->name)) { + _alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (to be replaced by %s-%s)"), + lpkg->name, lpkg->version, spkg->name, spkg->version); + } else { + /* assume all replaces=() packages are accepted */ + pmsyncpkg_t *sync = NULL; + pmpkg_t *dummy = _alpm_pkg_new(lpkg->name, NULL); + if(dummy == NULL) { + pm_errno = PM_ERR_MEMORY; + goto error; + } + dummy->requiredby = alpm_list_strdup(lpkg->requiredby); + /* check if spkg->name is already in the packages list. */ + alpm_list_t *s; + for(s = syncpkgs; s && !found; s = s->next) { + sync = i->data; + if(sync && !strcmp(sync->pkg->name, spkg->name)) { + found = 1; + } + } + + if(found) { + /* found it -- just append to the replaces list */ + sync->data = alpm_list_add(sync->data, dummy); + } else { + /* none found -- enter pkg into the final sync list */ + sync = _alpm_sync_new(PM_SYNC_TYPE_REPLACE, spkg, NULL); + if(sync == NULL) { + FREEPKG(dummy); + pm_errno = PM_ERR_MEMORY; + goto error; + } + sync->data = alpm_list_add(NULL, dummy); + syncpkgs = alpm_list_add(syncpkgs, sync); + } + _alpm_log(PM_LOG_DEBUG, _("%s-%s elected for upgrade (to be replaced by %s-%s)"), + lpkg->name, lpkg->version, spkg->name, spkg->version); + } + break; + } + } + } + } + } + + /* now do normal upgrades */ + for(i = _alpm_db_get_pkgcache(handle->db_local, INFRQ_NONE); i; i = i->next) { + int cmp; + int replace=0; + pmpkg_t *local = i->data; + pmpkg_t *spkg = NULL; + pmsyncpkg_t *sync; + + for(j = handle->dbs_sync; !spkg && j; j = j->next) { + spkg = _alpm_db_get_pkgfromcache(j->data, local->name); + } + if(spkg == NULL) { + _alpm_log(PM_LOG_DEBUG, _("'%s' not found in sync db -- skipping"), local->name); + continue; + } + + /* we don't care about a to-be-replaced package's newer version */ + for(j = syncpkgs; j && !replace; j=j->next) { + sync = j->data; + if(sync->type == PM_SYNC_TYPE_REPLACE) { + if(_alpm_pkg_isin(spkg->name, sync->data)) { + replace=1; + } + } + } + if(replace) { + _alpm_log(PM_LOG_DEBUG, _("'%s' is already elected for removal -- skipping"), + local->name); + continue; + } + + /* compare versions and see if we need to upgrade */ + cmp = alpm_versioncmp(local->version, spkg->version); + if(cmp > 0 && !spkg->force) { + /* local version is newer */ + pmdb_t *db = spkg->data; + _alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)"), + local->name, local->version, db->treename, spkg->version); + } else if(cmp == 0) { + /* versions are identical */ + } else if(alpm_list_find_str(handle->ignorepkg, spkg->name)) { + /* package should be ignored (IgnorePkg) */ + _alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (%s)"), + local->name, local->version, spkg->version); + } else if(_alpm_pkg_istoonew(spkg)) { + /* package too new (UpgradeDelay) */ + _alpm_log(PM_LOG_DEBUG, _("%s-%s: delaying upgrade of package (%s)"), + local->name, local->version, spkg->version); + /* check if spkg->name is already in the packages list. */ + } else { + _alpm_log(PM_LOG_DEBUG, _("%s-%s elected for upgrade (%s => %s)"), + local->name, local->version, local->version, spkg->version); + alpm_list_t *s; + pmsyncpkg_t *sync = NULL; + found = 0; + for(s = syncpkgs; s && !found; s = s->next) { + sync = i->data; + if(sync && strcmp(sync->pkg->name, local->name) == 0) { + found = 1; + } + } + + if(!found) { + pmpkg_t *dummy = _alpm_pkg_new(local->name, local->version); + if(dummy == NULL) { + goto error; + } + sync = _alpm_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy); + if(sync == NULL) { + FREEPKG(dummy); + goto error; + } + syncpkgs = alpm_list_add(syncpkgs, sync); + } + } + } + + return(syncpkgs); +error: + if(syncpkgs) { + alpm_list_free_inner(syncpkgs, _alpm_sync_free); + alpm_list_free(syncpkgs); + } + return(NULL); +} + /* vim: set ts=2 sw=2 noet: */ |