From ded9f6ca751bcd8098af9a3fd6dfba8052b7880f Mon Sep 17 00:00:00 2001
From: Benoit Pierre <benoit.pierre@gmail.com>
Date: Thu, 21 Nov 2024 19:49:20 +0100
Subject: [PATCH] ffi/util: implement `isExecutable`

To test if a path is an executable file.
---
 ffi/util.lua | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ffi/util.lua b/ffi/util.lua
index d85663809..71fb5a1bc 100644
--- a/ffi/util.lua
+++ b/ffi/util.lua
@@ -744,4 +744,13 @@ function util.template(str, ...)
     return result
 end
 
+-- Check if `path` is an executable file.
+function util.isExecutable(path)
+    local attributes, err = lfs.attributes(path)
+    if not attributes or err ~= nil then
+        return false, err
+    end
+    return attributes.mode == "file" and C.access(path, C.X_OK + C.R_OK) == 0
+end
+
 return util