From 4612d0928ad630956dd2baec18a50ed73500db7a Mon Sep 17 00:00:00 2001
From: Frank LENORMAND <lenormf@gmail.com>
Date: Wed, 18 Jul 2018 14:16:05 +0300
Subject: [PATCH] rc lint: Print an error when `lintcmd` is empty

---
 rc/base/lint.kak | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rc/base/lint.kak b/rc/base/lint.kak
index 19725ff3..c901b040 100644
--- a/rc/base/lint.kak
+++ b/rc/base/lint.kak
@@ -10,6 +10,11 @@ declare-option -hidden int lint_warning_count
 
 define-command lint -docstring 'Parse the current buffer with a linter' %{
     evaluate-commands %sh{
+        if [ -z "${kak_opt_lintcmd}" ]; then
+            printf %s\\n 'echo -markup {Error}The `lintcmd` option is not set'
+            exit 1
+        fi
+
         dir=$(mktemp -d "${TMPDIR:-/tmp}"/kak-lint.XXXXXXXX)
         mkfifo "$dir"/fifo
         printf '%s\n' "evaluate-commands -no-hooks write -sync $dir/buf"