rc filetype: add trim-indent hooks to all languages that have indent hooks

An indent hook automatically adds whitespace, so it seems prudent to
add the hook to remove unwanted whitespace again. This is what we do
in most languages already.

1 files changed, 9 insertions, 0 deletions

diff --git a/rc/filetype/makefile.kak b/rc/filetype/makefile.kak
index ab752a3e..2026c745 100644
--- a/rc/filetype/makefile.kak
+++ b/rc/filetype/makefile.kak
@@ -13,6 +13,7 @@ hook global WinSetOption filetype=makefile %{
 
     set-option window static_words %opt{makefile_static_words}
 
+    hook window ModeChange pop:insert:.* -group makefile-trim-indent makefile-trim-indent
     hook window InsertChar \n -group makefile-indent makefile-indent-on-new-line
     hook -once -always window WinSetOption filetype=.* %{ remove-hooks window makefile-.+ }
 }
@@ -50,6 +51,14 @@ evaluate-commands %sh{
 # Commands
 # ‾‾‾‾‾‾‾‾
 
+define-command -hidden makefile-trim-indent %{
+    evaluate-commands -no-hooks -draft -itersel %{
+        execute-keys <a-x>
+        # remove trailing white spaces
+        try %{ execute-keys -draft s \h + $ <ret> d }
+    }
+}
+
 define-command -hidden makefile-indent-on-new-line %{
     evaluate-commands -draft -itersel %{
         # preserve previous line indent