From f1a09fe49db5ee123c3edd34aa88e8bb03231ede Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Mon, 11 Apr 2022 17:12:16 -0300
Subject: patch: fix check for malformed patches
---
src/luarocks/tools/patch.lua | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/luarocks/tools/patch.lua b/src/luarocks/tools/patch.lua
index cc5293d3..6f36d713 100644
--- a/src/luarocks/tools/patch.lua
+++ b/src/luarocks/tools/patch.lua
@@ -540,7 +540,8 @@ local function write_new_file(filename, hunk)
local fh = io.open(filename, "wb")
if not fh then return false end
for _, hline in ipairs(hunk.text) do
- if hline:sub(1,1) ~= "+" then
+ local c = hline:sub(1,1)
+ if c ~= "+" and c ~= "-" and c ~= " " then
return false, "malformed patch"
end
fh:write(hline:sub(2))
--
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