From f94dff5f3f0814d068c602d27ef376fbe30a27f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Lesimple?= <stephane_github@lesimple.fr>
Date: Thu, 18 May 2017 18:31:24 +0200
Subject: [PATCH] handle ENOENT properly in does_pattern_exist_in_file\(\)

---
 lib/utils.sh | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/utils.sh b/lib/utils.sh
index 118cf35..579b961 100644
--- a/lib/utils.sh
+++ b/lib/utils.sh
@@ -100,11 +100,16 @@ does_pattern_exist_in_file() {
     local PATTERN=$2
 
     debug "Checking if $PATTERN is present in $FILE"
-    debug "grep -qE -- '$PATTERN' $FILE"
-    if $(grep -qE -- "$PATTERN" $FILE); then
-        FNRET=0
+    if [ -r "$FILE" ] ; then
+        debug "grep -qE -- '$PATTERN' $FILE"
+        if $(grep -qE -- "$PATTERN" $FILE); then
+            FNRET=0
+        else
+            FNRET=1
+        fi
     else
-        FNRET=1
+        debug "File $FILE is not readable!"
+        FNRET=2
     fi
 
 }