Sam Ford 2194f6e12b
Only require livecheck block URL when appropriate
`ExtractPlist` doesn't require a URL like other strategies (it takes
a `Cask` instead) but we've had to provide one in existing
`livecheck` blocks to get past this requirement in livecheck. This
commit makes it so this requirement is only enforced when a
strategy's `#find_versions` method has a required `url` parameter
(not an optional one, as in `ExtractPlist`).
2022-06-24 00:08:54 -04:00
..
2021-09-11 01:00:23 +01:00