greyweather
cccf509c9f
also adds `mergeListsToAttrs`, which takes two lists and combines them into key-value pairs as an attrset
33 lines
1.1 KiB
Nix
33 lines
1.1 KiB
Nix
{
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description = "A flake that provides a set of useful helper functions";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
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};
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outputs = { self, nixpkgs }: rec {
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mkIfElse = with nixpkgs.lib; p: yes: no: mkMerge [
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(mkIf p yes)
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(mkIf (!p) no)
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];
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mkSymlinkActivationScript = {target, source, isDir ? false}: ''
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if [ -e ${target} ]; then
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rm${if isDir then " -rf" else ""} ${target}
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fi
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ln -s ${source} ${target}
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'';
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attrByStrPath = strPath: set: nixpkgs.lib.attrByPath (nixpkgs.lib.strings.splitString "." strPath) null set;
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setAttrByStrPath = strPath: value: nixpkgs.lib.setAttrByPath (nixpkgs.lib.strings.splitString "." strPath) value;
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homeFilesFromStringAttrs = { dir, attrs, exec ? false }: mergeListsToAttrs (map (x: "${dir}/${x}") (builtins.attrNames attrs)) (map (x: {
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text = x;
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executable = exec;
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}) (builtins.attrValues attrs));
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mergeListsToAttrs = names: values: nixpkgs.lib.listToAttrs (nixpkgs.lib.zipListsWith (name: value: { inherit name value; }) names values);
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};
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}
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