From b03c23d2ed03e75821157f8696bcec69ebccabd7 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Thu, 22 Apr 2021 07:47:57 -0700
Subject: [PATCH] ipn/ipnlocal: log on DeleteFile error

Updates tailscale/corp#1626

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
---
 ipn/ipnlocal/peerapi.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ipn/ipnlocal/peerapi.go b/ipn/ipnlocal/peerapi.go
index c9411b9f3..7848cfc31 100644
--- a/ipn/ipnlocal/peerapi.go
+++ b/ipn/ipnlocal/peerapi.go
@@ -186,6 +186,10 @@ func (s *peerAPIServer) DeleteFile(baseName string) error {
 	}
 	err := os.Remove(path)
 	if err != nil && !os.IsNotExist(err) {
+		if pe, ok := err.(*os.PathError); ok {
+			logf := s.b.logf
+			logf("peerapi: failed to DeleteFile: %v", pe.Err) // without filename
+		}
 		return err
 	}
 	return nil