Function truncateFile [src]

Prototype

pub fn truncateFile(b: *Build, dest_path: []const u8) (fs.Dir.MakeError || fs.Dir.StatFileError)!void

Parameters

b: *Builddest_path: []const u8

Source

  pub fn truncateFile(b: *Build, dest_path: []const u8) (fs.Dir.MakeError || fs.Dir.StatFileError)!void {
    if (b.verbose) {
        log.info("truncate {s}", .{dest_path});
    }
    const cwd = fs.cwd();
    var src_file = cwd.createFile(dest_path, .{}) catch |err| switch (err) {
        error.FileNotFound => blk: {
            if (fs.path.dirname(dest_path)) |dirname| {
                try cwd.makePath(dirname);
            }
            break :blk try cwd.createFile(dest_path, .{});
        },
        else => |e| return e,
    };
    src_file.close();
}  