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|
{ lib, coreutils, s6-portable-utils, symlink }:
let
example = {from, as, just, ...}:
[
(from coreutils [
(just "echo")
(as "core-ls" "ls")
])
(from s6-portable-utils [
(as "ls" "s6-ls")
(just "s6-echo")
])
];
runImport = impsFn:
let
combinators = rec {
from = source: imports: {
inherit source imports;
};
as = newname: oldname: {
inherit oldname newname;
};
just = x: as x x;
};
# Drv -> As -> Symlink
toBin = module: {oldname, newname}: {
dest = "bin/${newname}";
orig = "${module}/bin/${oldname}";
};
# List (Import { source: Drv
# , imports: List (As { oldname: String
# , newname: String }))
# -> Drv
run = imps:
symlink "foo" (lib.concatLists
(map ({source, imports}:
map (toBin source) imports)
imps));
# TODO: typecheck w/ newtypes
in run (impsFn combinators);
in runImport example
|
