78 lines
2.2 KiB
Nix
78 lines
2.2 KiB
Nix
{ lib, ... }:
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{
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# create adev namespace for lib
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adev = rec {
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systems = import ./systems.nix { inherit lib; };
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container-utils = import ./container-utils.nix { inherit lib; };
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# any(), but checks if any value in the list is true
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#
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# args:
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# n: list of booleans
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#
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# type:
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# anyBool:: [bool] -> bool
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anyBool = lib.any (n: n);
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# pulls a value out of an attrset and converts it to a list
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#
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# args:
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# attr: attribute to search for in an attrset
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# set: attrset to search
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#
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# type:
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# mapGetAttr :: String -> AttrSet -> [Any]
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mapGetAttr = attr: set: lib.mapAttrsToList (_: attrset: lib.getAttr attr attrset) set;
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# gets list of files and directories inside of a directory
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#
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# args:
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# base: base path to search
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# dir: directory to get files from
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#
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# type:
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# ls :: Path -> String -> [String]
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ls = dir: lib.attrNames (builtins.readDir dir);
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# gets list of directories inside of a given directory
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#
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# args:
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# base: base path to search
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# dir: directory to get files from
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#
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# type:
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# lsdir :: Path -> String -> [String]
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lsdir =
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dir:
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lib.optionals (builtins.pathExists dir) (
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lib.attrNames (lib.filterAttrs (_: type: type == "directory") (builtins.readDir dir))
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);
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# return full paths of all files in a directory
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#
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# args:
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# base: base path to search
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# dir: path to get files from
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#
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# type:
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# fileList :: Path -> String -> [Path]
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fileList = dir: map (file: dir + "/${file}") (ls dir);
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# reduce an attribute set to a string
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#
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# example:
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# given attrset {host1 = "palatine-hill"; host2 = "jeeves";}
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# and func (host: hostname: host + " is " + hostname + ", " )
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# mapAttrsToString would return 'host1 is palatine-hill, host2 is jeeves, '
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#
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# args:
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# func: an function to apply to attrSet to turn each entry into one string
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# attrSet: an attribute set to reduce
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#
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# type:
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# mapAttrsToString :: AttrSet -> (String -> Any -> String) -> String
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mapAttrsToString =
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func: attrSet: (lib.foldl' (cur: next: cur + next) "" (lib.mapAttrsToList func attrSet));
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};
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}
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