Add types.strMatching #32256
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Add types.strMatching #32256
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Here's how this would be used: https://github.com/NixOS/nixpkgs/pull/32212/files#diff-18bb434cf7b1f0fc85f599d15539423bR128 |
8 tasks
Mic92
reviewed
Dec 4, 2017
| @@ -174,6 +174,13 @@ rec { | |||
| merge = mergeOneOption; | |||
| }; | |||
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| strMatching = pattern: mkOptionType { | |||
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This was merged as part of 3807408 |
edolstra
reviewed
Dec 6, 2017
| escapeNixString "hello\${}\n" | ||
| => "\"hello\\\${}\\n\"" | ||
| */ | ||
| escapeNixString = s: escape ["$"] (builtins.toJSON s); |
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What's the use case for this function? It seems to me that if you need to escape a Nix string, you're doing it wrong. Also using a combination of toJSON and escape seems weird.
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Motivation for this change
This gives a way for nixos modules to easily check and document requirements for string parameters, when they can be validated by a regular expression.
Things done
build-use-sandboxinnix.confon non-NixOS)nix-shell -p nox --run "nox-review wip"./result/bin/)