subprojects: Prepare for release

Like if there's a directory entry for "package/", or somehow any files
at the root level.

src/package-manager.vala

@@ -108,9 +108,9 @@ namespace Frida {
 			foreach (string spec_str in opts.specs) {
 				string name, version_spec_val;
 				int at = spec_str.last_index_of ("@");
-				if (at != -1) {
-					name = spec_str.substring (0, at);
-					version_spec_val = spec_str.substring (at + 1);
+				if (at > 0) {
+					name = spec_str[:at];
+					version_spec_val = spec_str[at + 1:];
 				} else {
 					name = spec_str;
 					version_spec_val = "latest";
@@ -712,9 +712,8 @@ namespace Frida {
 				File sub_deps_parent_node_modules_dir = target_dir.get_child ("node_modules");
 				PackageDependencies dependencies_to_recurse = rpd.dependencies;
 
-				if (!dependencies_to_recurse.all.is_empty) {
+				if (!dependencies_to_recurse.all.is_empty)
 					FS.mkdirp (sub_deps_parent_node_modules_dir, cancellable);
-				}
 
 				foreach (PackageDependency d in dependencies_to_recurse.all.values) {
 					bool install_this_sub_dep = d.role == RUNTIME || d.role == OPTIONAL;
@@ -1617,10 +1616,10 @@ namespace Frida {
 				string core_part_of_spec = stripped_spec;
 				int plus_idx = core_part_of_spec.index_of_char ('+');
 				if (plus_idx != -1)
-					core_part_of_spec = core_part_of_spec.substring (0, plus_idx);
+					core_part_of_spec = core_part_of_spec[:plus_idx];
 				int dash_idx = core_part_of_spec.index_of_char ('-');
 				if (dash_idx != -1)
-					core_part_of_spec = core_part_of_spec.substring (0, dash_idx);
+					core_part_of_spec = core_part_of_spec[:dash_idx];
 
 				return count_char (core_part_of_spec, '.') == 2;
 			} catch (Error e) {
@@ -1942,11 +1941,11 @@ namespace Frida {
 				string size_field = header.read_fixed_string (124, 12).split (" ")[0];
 				uint64 file_size = 0;
 				if (!uint64.try_parse (size_field, out file_size, null, 8))
-					throw new Error.PROTOCOL ("Invalid tarball size (file '%s' corrupt)", safe_entry);
+					throw new Error.PROTOCOL ("Invalid tarball size (file '%s' corrupt)", name);
 
 				var typeflag = (char) header.read_uint8 (156);
 
-				if (typeflag == '0' || typeflag == '\0') {
+				if ((typeflag == '0' || typeflag == '\0') && safe_entry != "") {
 					current_file = root.get_child (safe_entry);
 					FS.mkdirp (current_file.get_parent (), cancellable);
 					try {
@@ -1972,9 +1971,9 @@ namespace Frida {
 
 		private static string sanitize_entry (string name, File root) throws Error {
 			int slash = name.index_of ("/");
-			string entry = (slash == -1) ? name : name[slash + 1:];
-			if (entry.length == 0)
-				throw new Error.PROTOCOL ("Empty tar entry name: %s", name);
+			string entry = (slash == -1) ? "" : name[slash + 1:];
+			if (entry == "")
+				return entry;
 
 			entry = entry.replace ("/", Path.DIR_SEPARATOR_S);
 

subprojects/frida-gum.wrap

@@ -1,6 +1,6 @@
 [wrap-git]
 url = https://github.com/frida/frida-gum.git
-revision = 17.2.2
+revision = 17.2.3
 depth = 1
 
 [provide]