36 lines
982 B
Nix
36 lines
982 B
Nix
tree:
|
|
let
|
|
op = sum: path: val:
|
|
let
|
|
pathStr = builtins.concatStringsSep "/" path;
|
|
in
|
|
if (builtins.typeOf val) != "set" then
|
|
# ignore that value
|
|
# builtins.trace "${pathStr} is not of type set"
|
|
sum
|
|
else if val ? type && val.type == "derivation" then
|
|
# builtins.trace "${pathStr} is a derivation"
|
|
# we used to use the derivation outPath as the key, but that crashes Nix
|
|
# so fallback on constructing a static key
|
|
(sum // {
|
|
"${pathStr}" = val;
|
|
})
|
|
else if val ? recurseForDerivations && val.recurseForDerivations == true then
|
|
# builtins.trace "${pathStr} is a recursive"
|
|
# recurse into that attribute set
|
|
(recurse sum path val)
|
|
else
|
|
# ignore that value
|
|
# builtins.trace "${pathStr} is something else"
|
|
sum
|
|
;
|
|
|
|
recurse = sum: path: val:
|
|
builtins.foldl'
|
|
(sum: key: op sum (path ++ [ key ]) val.${key})
|
|
sum
|
|
(builtins.attrNames val)
|
|
;
|
|
in
|
|
recurse { } [ ] tree
|