Added support for listing package categories

transcode-open / apt-cyg

Apt-cyg, an apt-get like tool for Cygwin

MIT License

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Added support for listing package categories #143

Open etolnay opened 3 years ago

etolnay commented 3 years ago

One of the options is to filter by category, but the tool has no support for enquiring the categories available. I added support for listing all categories, sorted alphabetically.