Parse replaces strings as dep strings with version specs

This is done extremely crudely and is not very efficient, but it does
push us down the path of being closer to right, as one additional test
now passes.

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 17 insertions, 10 deletions

diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index e8605914..878971ea 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -85,20 +85,16 @@ alpm_pkg_t SYMEXPORT *alpm_sync_newversion(alpm_pkg_t *pkg, alpm_list_t *dbs_syn
 /** Search for packages to upgrade and add them to the transaction. */
 int SYMEXPORT alpm_sync_sysupgrade(alpm_handle_t *handle, int enable_downgrade)
 {
-	alpm_list_t *i, *j, *k;
+	alpm_list_t *i, *j;
 	alpm_trans_t *trans;
-	alpm_db_t *db_local;
-	alpm_list_t *dbs_sync;
 
 	CHECK_HANDLE(handle, return -1);
 	trans = handle->trans;
-	db_local = handle->db_local;
-	dbs_sync = handle->dbs_sync;
 	ASSERT(trans != NULL, RET_ERR(handle, ALPM_ERR_TRANS_NULL, -1));
 	ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(handle, ALPM_ERR_TRANS_NOT_INITIALIZED, -1));
 
 	_alpm_log(handle, ALPM_LOG_DEBUG, "checking for package upgrades\n");
-	for(i = _alpm_db_get_pkgcache(db_local); i; i = i->next) {
+	for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = i->next) {
 		alpm_pkg_t *lpkg = i->data;
 
 		if(_alpm_pkg_find(trans->add, lpkg->name)) {
@@ -108,7 +104,7 @@ int SYMEXPORT alpm_sync_sysupgrade(alpm_handle_t *handle, int enable_downgrade)
 
 		/* Search for literal then replacers in each sync database.
 		 * If found, don't check other databases */
-		for(j = dbs_sync; j; j = j->next) {
+		for(j = handle->dbs_sync; j; j = j->next) {
 			alpm_db_t *sdb = j->data;
 			/* Check sdb */
 			alpm_pkg_t *spkg = _alpm_db_get_pkgfromcache(sdb, lpkg->name);
@@ -150,10 +146,20 @@ int SYMEXPORT alpm_sync_sysupgrade(alpm_handle_t *handle, int enable_downgrade)
 			} else {
 				/* 2. search for replacers in sdb */
 				int found = 0;
+				alpm_list_t *k, *l;
 				for(k = _alpm_db_get_pkgcache(sdb); k; k = k->next) {
 					spkg = k->data;
-					if(alpm_list_find_str(alpm_pkg_get_replaces(spkg), lpkg->name)) {
-						found = 1;
+					for(l = alpm_pkg_get_replaces(spkg); l; l = l->next) {
+						const char *replace = l->data;
+						alpm_depend_t *parsed_replace = _alpm_splitdep(replace);
+						if(_alpm_depcmp(lpkg, parsed_replace)) {
+							found = 1;
+							_alpm_dep_free(parsed_replace);
+							break;
+						}
+						_alpm_dep_free(parsed_replace);
+					}
+					if(found) {
 						/* check IgnorePkg/IgnoreGroup */
 						if(_alpm_pkg_should_ignore(handle, spkg)
 								|| _alpm_pkg_should_ignore(handle, lpkg)) {
@@ -197,7 +203,8 @@ int SYMEXPORT alpm_sync_sysupgrade(alpm_handle_t *handle, int enable_downgrade)
 					}
 				}
 				if(found) {
-					break; /* jump to next local package */
+					/* jump to next local package */
+					break;
 				}
 			}
 		}