Added move lines kakoune plugin.

snippets/kakoune.nix

@@ -77,10 +77,15 @@
 
       # don't remove trailing indent
       set global disabled_hooks .*-trim-indent
+
       source ${pkgs.writeText "kakoune-divider.kak" (builtins.readFile ./kakoune/divider.kak)}
       set-option global divider_face LineNumbers
       divider-on 80
 
+      source ${pkgs.writeText "move-lines.kak" (builtins.readFile ./kakoune/move-lines.kak)}
+      map global normal <c-s-j> ': move-lines-down %val{count}<ret>'
+      map global normal <c-s-k> ': move-lines-up %val{count}<ret>'
+
       # byline enables extending selection with x
       require-module byline
 

snippets/kakoune/move-lines.kak

@@ -0,0 +1,13 @@
+define-command move-lines-down \
+-docstring 'move-lines-down [<count>] move selected lines down by <count> or one line' \
+-params ..1 \
+%{
+    execute-keys -draft "x<a-_><a-:>Z;ez;%arg{1}J<a-;>LxdzP"
+}
+
+define-command move-lines-up \
+-docstring 'move-lines-up [<count>] move selected lines up by <count> or one line' \
+-params ..1 \
+%{
+    execute-keys -draft "x<a-_><a-:><a-;>Z;bz;%arg{1}K<a-;>Hxdzp"
+}