nixos/terminfo: add enableAllTerminfo option

Add an option to install all .terminfo packages, normally this should
add no runtime bloat, if caches are used.

nixos/modules/config/terminfo.nix

@@ -1,9 +1,33 @@
 # This module manages the terminfo database
 # and its integration in the system.
-{ config, ... }:
+{ config, lib, pkgs, ... }:
+
+with lib;
+
 {
+
+  options.environment.enableAllTerminfo = with lib; mkOption {
+    default = false;
+    type = types.bool;
+    description = ''
+      Whether to install all terminfo outputs
+    '';
+  };
+
   config = {
 
+    # can be generated with: filter (drv: (builtins.tryEval (drv ? terminfo)).value) (attrValues pkgs)
+    environment.systemPackages = mkIf config.environment.enableAllTerminfo (map (x: x.terminfo) (with pkgs; [
+      alacritty
+      foot
+      kitty
+      mtm
+      rxvt-unicode-unwrapped
+      rxvt-unicode-unwrapped-emoji
+      termite
+      wezterm
+    ]));
+
     environment.pathsToLink = [
       "/share/terminfo"
     ];

nixos/tests/all-terminfo.nix

@@ -0,0 +1,31 @@
+import ./make-test-python.nix ({ pkgs, ... }: rec {
+  name = "all-terminfo";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ jkarlson ];
+  };
+
+  nodes.machine = { pkgs, config, lib, ... }:
+    let
+      infoFilter = name: drv:
+        let
+          o = builtins.tryEval drv;
+        in
+        o.success && lib.isDerivation o.value && o.value ? outputs && builtins.elem "terminfo" o.value.outputs;
+      terminfos = lib.filterAttrs infoFilter pkgs;
+      excludedTerminfos = lib.filterAttrs (_: drv: !(builtins.elem drv.terminfo config.environment.systemPackages)) terminfos;
+      includedOuts = lib.filterAttrs (_: drv: builtins.elem drv.out config.environment.systemPackages) terminfos;
+    in
+    {
+      environment = {
+        enableAllTerminfo = true;
+        etc."terminfo-missing".text = builtins.concatStringsSep "\n" (builtins.attrNames excludedTerminfos);
+        etc."terminfo-extra-outs".text = builtins.concatStringsSep "\n" (builtins.attrNames includedOuts);
+      };
+    };
+
+  testScript =
+    ''
+      machine.fail("grep . /etc/terminfo-missing >&2")
+      machine.fail("grep . /etc/terminfo-extra-outs >&2")
+    '';
+})

nixos/tests/all-tests.nix

@@ -35,6 +35,7 @@ in
   agate = handleTest ./web-servers/agate.nix {};
   agda = handleTest ./agda.nix {};
   airsonic = handleTest ./airsonic.nix {};
+  allTerminfo = handleTest ./all-terminfo.nix {};
   amazon-init-shell = handleTest ./amazon-init-shell.nix {};
   apfs = handleTest ./apfs.nix {};
   apparmor = handleTest ./apparmor.nix {};