nixpkgs/pkgs/lib/strings-with-deps.nix
Michael Raskin 28784956a0 Added function for defining just a bundle of dependencies.
svn path=/nixpkgs/trunk/; revision=9216
2007-08-28 23:29:23 +00:00

50 lines
761 B
Nix

args:
with args;
with lib;
let
inherit (builtins)
head tail isList;
rec {
/*
let shelllib = rec {
a= {
text = "aaaa";
deps = [b c];
};
b = {
text = "b";
};
c = {
text = "c";
deps = [];
};
};
in
[textClosure [shelllib.a]
textclosure shelllib.a];
*/
textClosureDupList = arg:
(
if isList arg then
textClosureDupList {text = ""; deps = arg;}
else
(if (arg ? deps) then
map textClosureDupList arg.deps
else [])
++ [arg]
);
textClosureList = arg: uniqList (textClosureDupList arg);
textClosure = arg: concatStringsSep "
" (textClosureList arg);
noDepEntry = text : {inherit text;};
FullDepEntry = text : deps: {inherit text args;};
PackEntry = deps: {inherit deps; text="";};
}