From 019c4302ad86fd6981e8abc90cd8cb58003b662c Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Sun, 8 Dec 2024 22:36:02 +0100
Subject: Handle tiny files gracefully

Lua detection functions used to cause fatal errors on failure to read.

We could also reconsider treating detection errors as fatal.
---
 plugins/gzip.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'plugins/gzip.lua')

diff --git a/plugins/gzip.lua b/plugins/gzip.lua
index 4d8bf15..ae5ccb6 100644
--- a/plugins/gzip.lua
+++ b/plugins/gzip.lua
@@ -16,7 +16,7 @@
 --
 
 local detect = function (c)
-	return c:read (2) == "\x1f\x8b"
+	return #c >= 2 and c:read (2) == "\x1f\x8b"
 end
 
 local function latin1_to_utf8 (s)
-- 
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