From 75f3c6403b47b490e41a8e6a863700524813e4f9 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Mon, 5 Mar 2018 11:58:31 +0100
Subject: [PATCH] Print absolute paths when file caches cannot be written

---
 dnscrypt-proxy/sources.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/dnscrypt-proxy/sources.go b/dnscrypt-proxy/sources.go
index 83b6fb22..95687de5 100644
--- a/dnscrypt-proxy/sources.go
+++ b/dnscrypt-proxy/sources.go
@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"net/url"
 	"os"
+	"path/filepath"
 	"strings"
 	"time"
 	"unicode"
@@ -170,12 +171,16 @@ func NewSource(xTransport *XTransport, url string, minisignKeyStr string, cacheF
 	}
 	if !cached {
 		if err = AtomicFileWrite(cacheFile, []byte(in)); err != nil {
-			dlog.Warnf("%s: %s", cacheFile, err)
+			if absPath, err2 := filepath.Abs(cacheFile); err2 == nil {
+				dlog.Warnf("%s: %s", absPath, err)
+			}
 		}
 	}
 	if !sigCached {
 		if err = AtomicFileWrite(sigCacheFile, []byte(sigStr)); err != nil {
-			dlog.Warnf("%s: %s", sigCacheFile, err)
+			if absPath, err2 := filepath.Abs(sigCacheFile); err2 == nil {
+				dlog.Warnf("%s: %s", absPath, err)
+			}
 		}
 	}
 	dlog.Noticef("Source [%s] loaded", url)