Print error when running zig test/run without a source file

Closes #6498
2020-10-02 19:59:00 +02:00
parent e9434ff8f4
commit 539e90e26d
1 changed files with 4 additions and 0 deletions
--- a/src/main.zig
+++ b/src/main.zig
@@ -1210,6 +1210,10 @@ fn buildOutputType(
        fatal("translate-c expects exactly 1 source file (found {})", .{c_source_files.items.len});
    }

+    if (root_src_file == null and (arg_mode == .zig_test or arg_mode == .run)) {
+        fatal("one zig source file is required to run this command", .{});
+    }
+
    const root_name = if (provided_name) |n| n else blk: {
        if (arg_mode == .zig_test) {
            break :blk "test";