kakoune: add back kaktex

packages/common/nki-kakoune/default.nix

@@ -1,3 +1,5 @@
 { callPackage, kakoune, ... }: kakoune.override {
-  plugins = (callPackage ./plugins.nix { }).plugins;
+  plugins = (callPackage ./plugins.nix { }) ++ [
+    ./kaktex
+  ];
 }

packages/common/nki-kakoune/kaktex/default.nix

@@ -0,0 +1,22 @@
+{ fish, lib, writeScript, writeTextDir, kakouneUtils, ... }:
+let
+  kaktex-script = writeScript "kaktex" ''
+    #!/usr/bin/env ${lib.getExe fish}
+
+    ${builtins.readFile ./kaktex.fish}
+  '';
+  kaktex = writeTextDir "kaktex.kak" ''
+    hook global WinSetOption filetype=(tex|latex) %{
+      hook window WinDisplay '.*' %{
+        eval %sh{
+          ${kaktex-script} set $kak_client $kak_session
+        }
+      }
+    }
+  '';
+in
+kakouneUtils.buildKakounePluginFrom2Nix {
+  pname = "kaktex";
+  version = "latest";
+  src = kaktex;
+}

packages/common/nki-kakoune/kaktex/kaktex.fish

@@ -0,0 +1,26 @@
+function usage
+    echo "Usage: "
+    echo "  kaktex set [client] [session]"
+    echo "  kaktex jump [file] [line] [column]"
+    exit 1
+end
+
+if test (count $argv) -lt 3
+    usage
+end
+
+switch $argv[1]
+    case "set"
+        set -U _kaktex_client $argv[2]
+        set -U _kaktex_session $argv[3]
+    case "jump"
+        echo "
+                 evaluate-commands -client $_kaktex_client %{
+                     evaluate-commands -try-client $_kaktex_client %{
+                         edit -existing -- $argv[2] $(math $argv[3] + 1) $(math $argv[4] + 1)
+                     }
+                 }
+             " | kak -p $_kaktex_session
+    case '*'
+        usage
+end

packages/common/nki-kakoune/plugins.nix

@@ -34,9 +34,7 @@ let
       };
     };
 in
-{
-  plugins = builtins.map kakounePlugin
-    [
+builtins.map kakounePlugin [
   # My own scripts
   {
     name = "latex.kak";
@@ -204,6 +202,4 @@ in
       alias global bo! buffer-only-force
     '';
   }
-    ];
-}
-
+]