addPrefixedPathPostContents

    pub fn addPrefixedPathPostContents(
        man: *Manifest,
        prefixed_path: PrefixedPath,
        bytes: []const u8,
        stat: File.Stat,
    ) !bool {
        const gpa = man.cache.gpa;
        const gop = try man.files.getOrPutAdapted(gpa, prefixed_path, FilesAdapter{});
        errdefer _ = man.files.pop();

        if (gop.found_existing) return false;

        const new_file = gop.key_ptr;

        new_file.* = .{
            .prefixed_path = prefixed_path,
            .max_file_size = null,
            .handle = null,
            .stat = stat,
            .bin_digest = undefined,
            .contents = null,
        };

        if (try man.isProblematicTimestamp(new_file.stat.mtime)) {
            // The actual file has an unreliable timestamp, force it to be hashed
            new_file.stat.mtime = .zero;
            new_file.stat.inode = 0;
        }

        {
            var hasher = hasher_init;
            hasher.update(bytes);
            hasher.final(&new_file.bin_digest);
        }

        man.hash.hasher.update(&new_file.bin_digest);
        return true;
    }