haskell-overlays/tighten-ob-exes.nix · obelisk

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obelisk/haskell-overlays/tighten-ob-exes.nix

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1self: super:

3let

4 pkgs = self.callPackage ({ pkgs }: pkgs) {};

5 haskellLib = pkgs.haskell.lib;

7 commandRuntimeDeps = with pkgs; [

8 coreutils

9 git

10 nix-prefetch-git

11 openssh

12 ];

16 # Dynamic linking with split objects dramatically increases startup time (about

17 # 0.5 seconds on a decent machine with SSD), so we do `justStaticExecutables`.

18 obelisk-command = haskellLib.overrideCabal

19 (haskellLib.generateOptparseApplicativeCompletion "ob"

20 (haskellLib.justStaticExecutables super.obelisk-command))

21 (drv: {

22 buildTools = (drv.buildTools or []) ++ [ pkgs.buildPackages.makeWrapper ];

23 postFixup = ''

24 ${drv.postFixup or ""}

25 # Make `ob` reference its runtime dependencies.

26 wrapProgram "$out"/bin/ob --prefix PATH : ${pkgs.lib.makeBinPath commandRuntimeDeps}

27 '';

28 passthru = { inherit commandRuntimeDeps; };

29 });

31 obelisk-selftest = haskellLib.justStaticExecutables super.obelisk-selftest;