status-react/nix/tools/mergeSh.nix

10 lines
435 B
Nix

# this is an utility for mergeing shells created with mkShell
# TODO: make this an attribute of mkShell result set.
{ lib }:
super: shells: super.overrideAttrs(super: with lib; {
inputsFrom = (super.inputsFrom or []) ++ unique (catAttrs "inputsFrom" shells);
buildInputs = (super.buildInputs or []) ++ unique (catAttrs "buildInputs" shells);
shellHook = (super.shellHook or "") + concatStrings (catAttrs "shellHook" shells);
})