add, del, db: fix various bugs introduced by earlier commits

- make virtual packages work again
- make apk del (for non-empty packages) work again

src/add.c

@@ -116,9 +116,10 @@ static int add_main(void *ctx, struct apk_database *db, int argc, char **argv)
 
 		if (virtpkg)
 			apk_deps_add(&virtpkg->depends, &dep);
-		else
+		else {
 			deps[i] = dep;
-		deps[i].name->flags |= APK_NAME_TOPLEVEL_OVERRIDE;
+			deps[i].name->flags |= APK_NAME_TOPLEVEL_OVERRIDE;
+		}
 	}
 	if (virtpkg)
 		deps[0] = virtdep;

src/database.c

@@ -518,8 +518,12 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
 		if (pkg == NULL) {
 			pkg = apk_pkg_new();
 			diri = NULL;
-			diri_node = NULL;
 			file_diri_node = NULL;
+
+			if (repo == -1) {
+				ipkg = apk_pkg_install(db, pkg);
+				diri_node = hlist_tail_ptr(&ipkg->owned_dirs);
+			}
 		}
 
 		/* Standard index line? */
@@ -531,12 +535,6 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
 			return -1;
 		}
 
-		/* Create the installation entry */
-		if (ipkg == NULL) {
-			ipkg = apk_pkg_install(db, pkg);
-			diri_node = hlist_tail_ptr(&ipkg->owned_dirs);
-		}
-
 		/* Check FDB special entries */
 		switch (field) {
 		case 'F':
@@ -763,7 +761,8 @@ static void apk_db_triggers_write(struct apk_database *db, struct apk_ostream *o
 	list_for_each_entry(ipkg, &db->installed.triggers, trigger_pkgs_list) {
 		bfn = APK_BLOB_BUF(buf);
 		apk_blob_push_csum(&bfn, &ipkg->pkg->csum);
-		os->write(os, buf, buf - bfn.ptr);
+		os->write(os, buf, bfn.ptr - buf);
+
 		for (i = 0; i < ipkg->triggers->num; i++) {
 			os->write(os, " ", 1);
 			apk_ostream_write_string(os, ipkg->triggers->item[i]);
@@ -1250,8 +1249,6 @@ int apk_db_run_triggers(struct apk_database *db)
 		if (ipkg->pending_triggers == NULL)
 			continue;
 
-		fprintf(stderr, "run triggers: %s\n", ipkg->pkg->name->name);
-
 		*apk_string_array_add(&ipkg->pending_triggers) = NULL;
 		apk_ipkg_run_script(ipkg, db->root_fd, APK_SCRIPT_TRIGGER,
 				    ipkg->pending_triggers->item);
@@ -1597,6 +1594,7 @@ static int read_info_line(void *_ctx, apk_blob_t line)
 			ipkg->triggers = NULL;
 		}
 		apk_blob_for_each_segment(r, " ", parse_triggers, ctx->ipkg);
+
 		if (ctx->ipkg->triggers && !list_hashed(&ipkg->trigger_pkgs_list))
 			list_add_tail(&ipkg->trigger_pkgs_list,
 				      &db->installed.triggers);
@@ -1786,7 +1784,7 @@ static void apk_db_purge_pkg(struct apk_database *db,
 	struct apk_file_info fi;
 	struct hlist_node *dc, *dn, *fc, *fn;
 	unsigned long hash;
-	char name[1024];
+	char name[PATH_MAX];
 
 	hlist_for_each_entry_safe(diri, dc, dn, &ipkg->owned_dirs, pkg_dirs_list) {
 		if (exten == NULL)

src/del.c

@@ -39,6 +39,7 @@ static int del_main(void *ctx, struct apk_database *db, int argc, char **argv)
 	for (i = 0; i < argc; i++) {
 		name = apk_db_get_name(db, APK_BLOB_STR(argv[i]));
 		name->flags &= ~APK_NAME_TOPLEVEL;
+		name->flags |= APK_NAME_TOPLEVEL_OVERRIDE;
 		apk_deps_del(&db->world, name);
 	}
 

src/state.c

@@ -299,7 +299,7 @@ int apk_state_lock_dependency(struct apk_state *state,
 	for (i = 0; i < c->num; i++) {
 		struct apk_package *pkg = c->pkgs[i];
 
-		if (c->pkgs[i]->ipkg != NULL)
+		if (pkg->ipkg != NULL)
 			installed = pkg;
 		else if (pkg->filename == NULL &&
 		         apk_db_select_repo(state->db, pkg) == NULL)
@@ -489,7 +489,7 @@ int apk_state_lock_name(struct apk_state *state,
 			struct apk_package *pkg = name->pkgs->item[i];
 
 			if (name->pkgs->item[i]->name == name &&
-			    name->pkgs->item[i]->ipkg != NULL)
+			    pkg->ipkg != NULL)
 				oldpkg = pkg;
 		}
 	}
@@ -544,8 +544,7 @@ static void apk_print_change(struct apk_database *db,
 			    name->name, newpkg->version);
 	} else if (newpkg == NULL) {
 		apk_message("Purging %s (%s)",
-			    name->name,
-			    oldpkg->version);
+			    name->name, oldpkg->version);
 	} else {
 		r = apk_pkg_version_compare(newpkg, oldpkg);
 		switch (r) {
@@ -757,15 +756,15 @@ int apk_state_commit(struct apk_state *state,
 				  "The following packages will be REMOVED");
 		r += dump_packages(state, cmp_downgrade,
 				   "The following packages will be DOWNGRADED");
-		if (r || apk_verbosity > 2) {
+		if (r || (apk_flags & APK_INTERACTIVE) || apk_verbosity > 2) {
 			dump_packages(state, cmp_new,
 				      "The following NEW packages will be installed");
 			dump_packages(state, cmp_upgrade,
 				      "The following packages will be upgraded");
-			fprintf(stderr, "%d kB of %s\n", abs(size_diff),
-				(size_diff < 0) ?
-				"disk space will be freed" :
-				"additional disk space will be used");
+			printf("%d kB of %s\n", abs(size_diff),
+			       (size_diff < 0) ?
+			       "disk space will be freed" :
+			       "additional disk space will be used");
 		}
 		if (apk_flags & APK_INTERACTIVE) {
 			printf("Do you want to continue [Y/n]? ");