From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 19 Jul 2017 18:50:48 +0000 (+0200)
Subject: copy: Do not empty $dst when source file cannot be read
X-Git-Tag: 009~147
X-Git-Url: http://git.ipfire.org/?p=people%2Fms%2Fnetwork.git;a=commitdiff_plain;h=287c2e60ba1237701b40723aeca811b65b5032ec

copy: Do not empty $dst when source file cannot be read

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/functions/functions.util b/src/functions/functions.util
index 5935dcc2..664e9091 100644
--- a/src/functions/functions.util
+++ b/src/functions/functions.util
@@ -760,6 +760,12 @@ copy() {
 	local src=${1}
 	local dst=${2}
 
+	# Check if we can read from the source
+	if [ ! -r "${src}" ]; then
+		log ERROR "Cannot read ${src}"
+		return ${EXIT_ERROR}
+	fi
+
 	# Check if ${dst} is a directory
 	if [ -d "${dst}" ]; then
 		log ERROR "${dst} is a directory"