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-rw-r--r--lib/libalpm/trans.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index 12035408..4969214f 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -38,6 +38,9 @@
#include "remove.h"
#include "sync.h"
#include "alpm.h"
+#include "deps.h"
+#include "cache.h"
+#include "provide.h"
pmtrans_t *_alpm_trans_new()
{
@@ -242,6 +245,96 @@ int _alpm_trans_commit(pmtrans_t *trans, alpm_list_t **data)
return(0);
}
+int _alpm_trans_update_depends(pmtrans_t *trans, pmpkg_t *pkg)
+{
+ alpm_list_t *i, *j;
+ pmdb_t *localdb;
+
+ ALPM_LOG_FUNC;
+
+ /* Sanity checks */
+ ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
+ ASSERT(pkg != NULL, RET_ERR(PM_ERR_PKG_INVALID, -1));
+
+ if(pkg->depends) {
+ _alpm_log(PM_LOG_DEBUG, _("updating dependency packages 'requiredby' fields"));
+ }
+
+ localdb = alpm_option_get_localdb();
+ for(i = pkg->depends; i; i = i->next) {
+ pmdepend_t dep;
+ if(_alpm_splitdep(i->data, &dep) != 0) {
+ continue;
+ }
+
+ if(trans->packages && trans->type == PM_TRANS_TYPE_REMOVE) {
+ if(_alpm_pkg_isin(dep.name, handle->trans->packages)) {
+ continue;
+ }
+ }
+
+ pmpkg_t *deppkg = _alpm_db_get_pkgfromcache(localdb, dep.name);
+ if(!deppkg) {
+ int found_provides = 0;
+ /* look for a provides package */
+ alpm_list_t *provides = _alpm_db_whatprovides(localdb, dep.name);
+ for(j = provides; j; j = j->next) {
+ if(!j->data) {
+ continue;
+ }
+ pmpkg_t *provpkg = j->data;
+ deppkg = _alpm_db_get_pkgfromcache(localdb, provpkg->name);
+
+ if(!deppkg) {
+ continue;
+ }
+
+ found_provides = 1;
+
+ /* Ensure package has the right newpkg */
+ _alpm_db_read(localdb, INFRQ_DEPENDS, deppkg);
+
+ _alpm_log(PM_LOG_DEBUG, _("updating 'requiredby' field for package '%s'"), deppkg->name);
+ if(trans->type == PM_TRANS_TYPE_REMOVE) {
+ void *data = NULL;
+ deppkg->requiredby = alpm_list_remove(deppkg->requiredby, pkg->name, _alpm_str_cmp, &data);
+ FREE(data);
+ } else {
+ deppkg->requiredby = alpm_list_add(deppkg->requiredby, strdup(pkg->name));
+ }
+
+ if(_alpm_db_write(localdb, deppkg, INFRQ_DEPENDS)) {
+ _alpm_log(PM_LOG_ERROR, _("could not update 'requiredby' database entry %s-%s"), deppkg->name, deppkg->version);
+ }
+ }
+ FREELISTPTR(provides);
+
+ if(!found_provides) {
+ _alpm_log(PM_LOG_DEBUG, _("could not find dependency '%s'"), dep.name);
+ continue;
+ }
+ }
+
+ /* Ensure package has the right newpkg */
+ _alpm_db_read(localdb, INFRQ_DEPENDS, deppkg);
+
+ _alpm_log(PM_LOG_DEBUG, _("updating 'requiredby' field for package '%s'"), deppkg->name);
+ if(trans->type == PM_TRANS_TYPE_REMOVE) {
+ void *data = NULL;
+ deppkg->requiredby = alpm_list_remove(deppkg->requiredby, pkg->name, _alpm_str_cmp, &data);
+ FREE(data);
+ } else {
+ deppkg->requiredby = alpm_list_add(deppkg->requiredby, strdup(pkg->name));
+ }
+
+ if(_alpm_db_write(localdb, deppkg, INFRQ_DEPENDS)) {
+ _alpm_log(PM_LOG_ERROR, _("could not update 'requiredby' database entry %s-%s"), deppkg->name, deppkg->version);
+ }
+ }
+ return(0);
+}
+
+
pmtranstype_t alpm_trans_get_type()
{
/* Sanity checks */