make del, fetch, fix and info return errors

In case all applet arguments are packages names (that is are not
including wildcards), return error if they do not match to some
package.

1 files changed, 17 insertions, 6 deletions

diff --git a/src/fetch.c b/src/fetch.c
index 3c40963..7caf9d4 100644
--- a/src/fetch.c
+++ b/src/fetch.c
@@ -207,7 +207,7 @@ static void mark_error(struct fetch_ctx *ctx, const char *match, struct apk_name
 	if (strchr(match, '*') != NULL)
 		return;
 
-	apk_message("%s: unable to select package (or it's dependencies)", name->name);
+	apk_message("%s: unable to select package (or it's dependencies)", name ? name->name : match);
 	ctx->errors++;
 }
 
@@ -223,6 +223,11 @@ static void mark_name_recursive(struct apk_database *db, const char *match, stru
 	struct apk_change *change;
 	int r;
 
+	if (!name) {
+		mark_error(ctx, match, name);
+		return;
+	}
+
 	apk_dependency_array_init(&world);
 	*apk_dependency_array_add(&world) = dep;
 	r = apk_solver_solve(db, 0, world, &changeset);
@@ -241,14 +246,18 @@ static void mark_name(struct apk_database *db, const char *match, struct apk_nam
 	struct apk_package *pkg = NULL;
 	struct apk_provider *p;
 
+	if (!name) goto err;
+
 	foreach_array_item(p, name->providers)
 		if (pkg == NULL || apk_pkg_version_compare(p->pkg, pkg) == APK_VERSION_GREATER)
 			pkg = p->pkg;
 
-	if (pkg != NULL)
-		mark_package(ctx, pkg);
-	else
-		mark_error(ctx, match, name);
+	if (!pkg) goto err;
+	mark_package(ctx, pkg);
+	return;
+
+err:
+	mark_error(ctx, match, name);
 }
 
 static int fetch_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
@@ -272,8 +281,10 @@ static int fetch_main(void *pctx, struct apk_database *db, struct apk_string_arr
 	}
 
 	ctx->db = db;
+
 	apk_name_foreach_matching(db, args, apk_foreach_genid(), mark, ctx);
-	apk_hash_foreach(&db->available.packages, fetch_package, ctx);
+	if (!ctx->errors)
+		apk_hash_foreach(&db->available.packages, fetch_package, ctx);
 
 	return ctx->errors;
 }