From 41b235584feeb492d082cdc7bbb735cc49b08180 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sat, 26 Dec 2020 23:18:43 +0100
Subject: lua: fix luacheck warnings

These are either accidentally global or unused variables. In the file
type pluging the mime type variable was wrongly scoped, meaning the
text/plain settings applied to all otherwise unknown files.
---
 lua/plugins/complete-filename.lua | 2 +-
 lua/plugins/filetype.lua          | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

(limited to 'lua/plugins')

diff --git a/lua/plugins/complete-filename.lua b/lua/plugins/complete-filename.lua
index 03cc313..e955347 100644
--- a/lua/plugins/complete-filename.lua
+++ b/lua/plugins/complete-filename.lua
@@ -13,7 +13,7 @@ vis:map(vis.modes.INSERT, "<C-x><C-f>", function()
 	local prefix = file:content(range)
 	if not prefix then return end
 	-- Strip leading delimiters for some languages
-	i, j = string.find(prefix, "[[(<'\"]+")
+	local _, j = string.find(prefix, "[[(<'\"]+")
 	if j then prefix = prefix:sub(j + 1) end
 	local cmd = string.format("vis-complete --file '%s'", prefix:gsub("'", "'\\''"))
 	local status, out, err = vis:pipe(file, { start = 0, finish = 0 }, cmd)
diff --git a/lua/plugins/filetype.lua b/lua/plugins/filetype.lua
index 4639bbc..e5e45fd 100644
--- a/lua/plugins/filetype.lua
+++ b/lua/plugins/filetype.lua
@@ -352,7 +352,7 @@ vis.ftdetect.filetypes = {
 	},
 	routeros = {
 		ext = { "%.rsc" },
-		detect = function(file, data)
+		detect = function(_, data)
 			return data:match("^#.* by RouterOS")
 		end
 	},
@@ -394,7 +394,7 @@ vis.ftdetect.filetypes = {
 		ext = { "%.ddl$", "%.sql$" },
 	},
 	strace = {
-		detect = function(file, data)
+		detect = function(_, data)
 			return data:match("^execve%(")
 		end
 	},
@@ -501,10 +501,11 @@ vis.events.subscribe(vis.events.WIN_OPEN, function(win)
 	end
 
 	-- run file(1) to determine mime type
+	local mime
 	if name ~= nil then
 		local file = io.popen(string.format("file -bL --mime-type -- '%s'", name:gsub("'", "'\\''")))
 		if file then
-			local mime = file:read('*all')
+			mime = file:read('*all')
 			file:close()
 			if mime then
 				mime = mime:gsub('%s*$', '')
-- 
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