67 lines
1.3 KiB
Nix
67 lines
1.3 KiB
Nix
{ inputs, pkgs, lib, ... }:
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rec {
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# Conveniance wrapper for mkOption with boolean type
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mkBoolOpt = def: desc:
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lib.mkOption {
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type = lib.types.bool;
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default = def;
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description = desc;
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};
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# Alias for consistency
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mkEnableOpt = lib.mkEnableOption;
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# Like mkIf but the predicate is inverted
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mkElse = pred: do:
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(lib.mkIf (!pred) do);
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# Creates a symlink if it doesn't exist
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# If it exists renew the link
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mkLink = src: dest:
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''
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if [ -L "${dest}" ]; then
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rm ${dest}
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fi
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ln -sf ${src} ${dest}
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'';
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# Removes a symlink if it exists
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mkUnlink = dest:
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''
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if [ -L "${dest}" ]; then
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rm ${dest}
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fi
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'';
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# TODO
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mkMultiOptStr = { }:
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{
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};
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# TODO
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mkMultiOptPkg = { }:
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{
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};
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# Returns true if base contains element
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contains = base: element:
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lib.any (x: x == element) base;
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# Returns base without occurences of elements that are also in remove
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without = base: remove:
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lib.filter (x: !(contains remove x)) base;
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# For use with single element sets
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attrName = set: let
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names = lib.attrNames set;
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in (if (names != [ ]) then (lib.head names) else null);
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# For use with single element sets
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attrValue = set: let
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values = lib.attrValues set;
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in (if (values != [ ]) then (lib.head values) else null);
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}
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