depotwide: make closures smaller, especially on frantech machines

ops/nixos/installcd/default.nix

@@ -16,5 +16,7 @@ in {
     depot.ops.nixos.systems.etheroute-lon01
   ];
 
+  system.disableInstallerTools = false;
+
   system.stateVersion = "22.05";
 }

ops/nixos/lib/blade.nix

@@ -7,6 +7,7 @@ let
   inherit (depot.ops) secrets;
 in {
   imports = [
+    ../lib/minimal.nix
     ../lib/zfs.nix
   ];
 
@@ -49,7 +50,6 @@ in {
     ];
 
     my.rundeck.tags = [ "blade" ];
-    my.home-manager.imports = lib.mkAfter [ ./home-manager/blade.nix ];
 
     fileSystems = let
       zfs = device: {
@@ -224,12 +224,6 @@ in {
       ProcessSizeMax=0
     '';
 
-    fonts.fontconfig.enable = false;
-    programs.ssh.setXAuthLocation = false;
-    security.pam.services.su.forwardXAuth = lib.mkForce false;
-    services.fwupd.enable = lib.mkForce false;
-    xdg.sounds.enable = false;
-
     system.stateVersion = "21.05";
   };
 }

ops/nixos/lib/common.nix

@@ -329,5 +329,7 @@ in
       ListenStream = [ "" "${config.my.ip.tailscale}:19531" ];
       FreeBind = true;
     };
+
+    system.disableInstallerTools = lib.mkDefault true;
   };
 }

ops/nixos/lib/frantech.nix

@@ -9,6 +9,7 @@ in {
   imports = [
     ../../../third_party/nixpkgs/nixos/modules/profiles/qemu-guest.nix
     ../lib/low-space.nix
+    ../lib/minimal.nix
     ../lib/coredns/default.nix
   ];
 

ops/nixos/lib/minimal.nix

@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2022 Luke Granger-Brown <depot@lukegb.com>
+#
+# SPDX-License-Identifier: Apache-2.0
+
+{ lib, ... }:
+{
+  fonts.fontconfig.enable = false;
+  programs.ssh.setXAuthLocation = false;
+  security.pam.services.su.forwardXAuth = lib.mkForce false;
+  services.fwupd.enable = lib.mkForce false;
+  xdg.sounds.enable = false;
+  my.home-manager.imports = lib.mkAfter [ ./home-manager/minimal.nix ];
+}

third_party/tvl/nix/buildGo/default.nix

@@ -35,7 +35,8 @@ let
   includeLibs = deps: spaceOut (map includeDepLib deps);
 
   srcBasename = src: elemAt (match "([a-z0-9]{32}\-)?(.*\.go)" (baseNameOf src)) 1;
-  srcCopy = path: src: "cp ${src} $out/${path}/${srcBasename src}";
+  srcDest = path: src: "$out/${path}/${srcBasename src}";
+  srcCopy = path: src: "cp ${src} ${srcDest path src}";
   srcList = path: srcs: lib.concatStringsSep "\n" (map (srcCopy path) srcs);
 
   allDeps = deps: lib.unique (lib.flatten (deps ++ (map (d: d.goDeps) deps)));
@@ -89,7 +90,7 @@ let
         mkdir -p $out/${path}
         ${srcList path (map (s: "${s}") srcs)}
         ${asmBuild}
-        ${go}/bin/go tool compile -pack ${asmLink} -o $out/${path}.a -trimpath=$PWD -trimpath=${go} -p ${path} ${includeSources uniqueDeps} ${spaceOut srcs}
+        ${go}/bin/go tool compile -pack ${asmLink} -o $out/${path}.a -trimpath=$PWD -trimpath=${go} -trimpath=$out/${path} -p ${path} ${includeSources uniqueDeps} ${spaceOut (map (srcDest path) srcs)}
         ${asmPack}
       '').overrideAttrs (_: {
         passthru = {