From eee0035a0fb8b98105d89c1ccbcbda897ce53def Mon Sep 17 00:00:00 2001
From: Frank LENORMAND <lenormf@gmail.com>
Date: Mon, 30 Jul 2018 13:06:39 +0300
Subject: [PATCH] rc lint: Create temporary file with the same buffer extension

Fixes #2189
---
 rc/base/lint.kak | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/rc/base/lint.kak b/rc/base/lint.kak
index dfa35037..d0a8b78c 100644
--- a/rc/base/lint.kak
+++ b/rc/base/lint.kak
@@ -15,9 +15,14 @@ define-command lint -docstring 'Parse the current buffer with a linter' %{
             exit 1
         fi
 
+        extension=""
+        if printf %s "${kak_buffile}" | grep -qE '[^/.]\.[[:alnum:]]+$'; then
+            extension=".${kak_buffile##*.}"
+        fi
+
         dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-lint.XXXXXXXX)
         mkfifo "$dir"/fifo
-        printf '%s\n' "evaluate-commands -no-hooks write -sync $dir/buf"
+        printf '%s\n' "evaluate-commands -no-hooks write -sync $dir/buf${extension}"
 
         printf '%s\n' "evaluate-commands -draft %{
                   edit! -fifo $dir/fifo -debug *lint-output*
@@ -31,7 +36,7 @@ define-command lint -docstring 'Parse the current buffer with a linter' %{
 
         { # do the parsing in the background and when ready send to the session
 
-        eval "$kak_opt_lintcmd '$dir'/buf" | sort -t: -k2,2 -n > "$dir"/stderr
+        eval "$kak_opt_lintcmd '$dir'/buf${extension}" | sort -t: -k2,2 -n > "$dir"/stderr
 
         # Flags for the gutter:
         #   stamp l3|{red}█ l11|{yellow}█