From 52ca4a5c78383ed8f9b494ae9d2016c8ef9d2bce Mon Sep 17 00:00:00 2001
From: Ben Krochta <bkrochta9@gmail.com>
Date: Sun, 20 Oct 2024 14:00:37 -0400
Subject: [PATCH] Fix input/output file comparison when signing

Stat doesn't return ErrExist error, so this line is always false. We
also don't need any stats for the output file, so we can just try to
open the file, and continue the comparison with the input file if
there is no error opening it.
---
 keys.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/keys.go b/keys.go
index 70a3e9d..a857b5b 100644
--- a/keys.go
+++ b/keys.go
@@ -66,11 +66,7 @@ func SignFile(state *config.State, kh *backend.KeyHierarchy, ev hierarchy.Hierar
 
 	// Check if the files are identical
 	if file != output {
-		if _, err := state.Fs.Stat(output); errors.Is(err, os.ErrExist) {
-			outputFile, err := state.Fs.Open(output)
-			if err != nil {
-				return err
-			}
+		if outputFile, err := state.Fs.Open(output); err == nil {
 			defer outputFile.Close()
 			outputBinary, err := authenticode.Parse(outputFile)
 			if err != nil {