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https://github.com/nix-community/home-manager
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28 lines
671 B
Nix
28 lines
671 B
Nix
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{ lib }:
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with lib;
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{
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# Figures out a valid Nix store name for the given path.
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storeFileName = path:
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let
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# All characters that are considered safe. Note "-" is not
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# included to avoid "-" followed by digit being interpreted as a
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# version.
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safeChars =
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[ "+" "." "_" "?" "=" ]
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++ lowerChars
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++ upperChars
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++ stringToCharacters "0123456789";
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empties = l: genList (x: "") (length l);
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unsafeInName = stringToCharacters (
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replaceStrings safeChars (empties safeChars) path
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);
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safeName = replaceStrings unsafeInName (empties unsafeInName) path;
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in
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"hm_" + safeName;
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}
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