From 61366fd1ef6f089aa8d32a5b9500bdb51c139dcb Mon Sep 17 00:00:00 2001
From: Frank LENORMAND <lenormf@gmail.com>
Date: Wed, 3 Jun 2020 15:47:46 +0300
Subject: [PATCH] rc man: Handle early window resize

If the window gets resized before the `man` command is called, the
hook will error out and display an error.

Fix #3432
---
 rc/tools/man.kak | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/rc/tools/man.kak b/rc/tools/man.kak
index af736485..54960a23 100644
--- a/rc/tools/man.kak
+++ b/rc/tools/man.kak
@@ -27,8 +27,11 @@ hook global WinSetOption filetype=man %{
     hook -once -always window WinSetOption filetype=.* %{ remove-hooks window man-hooks }
 }
 
-define-command -hidden -params 2..3 man-impl %{ evaluate-commands %sh{
+define-command -hidden -params ..3 man-impl %{ evaluate-commands %sh{
     buffer_name="$1"
+    if [ -z "${buffer_name}" ]; then
+        exit
+    fi
     shift
     manout=$(mktemp "${TMPDIR:-/tmp}"/kak-man-XXXXXX)
     manerr=$(mktemp "${TMPDIR:-/tmp}"/kak-man-XXXXXX)