ghcup: support vanilla and cross compilers #126
Merged
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Checklist
ghcup metadata 在 0.0.7 添加了 vanilla ,
并在 0.0.8 添加了 cross compiler ,
而在原本的 version parser 中并没有支持。
我修改了 parseVersionFromFileName 以添加支持,
同时考虑到未来可能的更多不同 metadata 版本,
实现了向前兼容(但性能更差的) parser 版本。