added auto deindent to kak files

rc/core/kakrc.kak

@@ -74,22 +74,34 @@ define-command -hidden kak-indent-on-new-line %{
         try %{ execute-keys -draft \; K <a-&> }
         # cleanup trailing whitespaces from previous line
         try %{ execute-keys -draft k <a-x> s \h+$ <ret> d }
-        # indent after line ending with %[\W\S]
-        try %{ execute-keys -draft k <a-x> <a-k> \%[\W\S]$ <ret> j <a-gt> }
+        # indent after line ending with %[\W\S] or %sh[\W\S]
+        try %{ execute-keys -draft k <a-x> <a-k> \%(sh)?(?=\S)\W$ <ret> j <a-gt> }
     }
 }
 
+define-command -hidden kak-indent-on-closing-matching %~
+    # align to opening matching brace when alone on a line
+    try %= execute-keys -draft -itersel <a-h><a-k>\h*[>)}\]]$<ret> mGi s \A|.\z<ret> gi 1<a-&> =
+~
+
+define-command -hidden kak-indent-on-closing-char %{
+    # align to opening matching character when alone on a line
+    try %{ execute-keys -draft -itersel <a-h><a-k>\h*\Q %val{hook_param} \E$<ret>gi<a-f> %val{hook_param} <a-T>%<a-k>(sh)?\Q %val{hook_param} \E$<ret> s \A|.\z<ret> gi 1<a-&> }
+}
+
 # Initialization
 # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
 
 hook -group kak-highlight global WinSetOption filetype=kak %{ add-highlighter window/kakrc ref kakrc }
 
-hook global WinSetOption filetype=kak %{
+hook global WinSetOption filetype=kak %~
     hook window InsertChar \n -group kak-indent kak-indent-on-new-line
+    hook window InsertChar [>)}\]] -group kak-indent kak-indent-on-closing-matching
+    hook window InsertChar (?![>)}\]])(?=\S)\W -group kak-indent kak-indent-on-closing-char
     # cleanup trailing whitespaces on current line insert end
     hook window ModeChange insert:.* -group kak-indent %{ try %{ execute-keys -draft \; <a-x> s ^\h+$ <ret> d } }
     set-option buffer extra_word_chars '-'
-}
+~
 
 hook -group kak-highlight global WinSetOption filetype=(?!kak).* %{ remove-highlighter window/kakrc }
 hook global WinSetOption filetype=(?!kak).* %{ remove-hooks window kak-indent }