From 7a9bfd8dae3a1611366fc42b06f7ec34bc5347d6 Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Fri, 16 Feb 2024 22:42:57 -0300
Subject: fix: avoid cross-device links

Fixes #1559
---
 src/luarocks/fs/unix/tools.lua | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/luarocks/fs/unix/tools.lua b/src/luarocks/fs/unix/tools.lua
index 7106ed81..42e22060 100644
--- a/src/luarocks/fs/unix/tools.lua
+++ b/src/luarocks/fs/unix/tools.lua
@@ -318,10 +318,7 @@ end
 function tools.lock_access(dirname, force)
    fs.make_dir(dirname)
 
-   local tempfile = os.tmpname()
-   if not tempfile then
-      return nil, "failed creating temp file for locking"
-   end
+   local tempfile = dir.path(dirname, ".lock.tmp." .. tostring(math.random(100000000)))
 
    local fd, fderr = io.open(tempfile, "w")
    if not fd then
-- 
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