vis-config

commit 78fa7edc28785ddb6b87340821f24794baca385c
parent 06764931cb49c0e1ea1a6bf8572419200338de4c
Author: Jul <jul@9o.is>
Date:   Fri, 20 Feb 2026 22:53:27 +0800

avoid screen flicker on K (man) that doesn't exist

Diffstat:
M
lib/utils.lua
 | 
6
+++---
M
visrc.lua
 | 
7
+++++--

2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/lib/utils.lua b/lib/utils.lua
@@ -1,9 +1,9 @@
-function exists(prog)
-	return os.execute('type ' .. prog .. ' >/dev/null 2>&1')
+function runq(cmd)
+	return os.execute(cmd .. ' >/dev/null 2>&1')
 end
 
 function start_lspc(lspc, name)
-	if not (lspc.enabled and exists(name)) then
+	if not (lspc.enabled and runq('type '..name)) then
 		return false
 	end
 
diff --git a/visrc.lua b/visrc.lua
@@ -88,10 +88,13 @@ settings = {
 			vis:command('set ctags-autosave on')
 
 			mapwin(win, {m.NORMAL, m.VISUAL}, 'K', function()
-				local sec = vis.count or 1
+				local sec = vis.count
 				local name = content(vis.win)
 				vis.count = nil
-				vis:command(string.format('terminal man %d %s', sec, name))
+
+				if runq(string.format('whatis %s %s', sec and '-s '..sec or '', name)) then
+					vis:command(string.format('terminal man %s %s', sec or '', name))
+				end
 			end, 'Man')
 		end
 	end,