Fix error in change_hostname.sh
The grep command was wrong and was printing an error on stderr
Change-Id: I2eb512e45efd82be20cab401318055739f40ee0e
diff --git a/y2020/vision/rootfs/change_hostname.sh b/y2020/vision/rootfs/change_hostname.sh
index 1842504..712aba9 100755
--- a/y2020/vision/rootfs/change_hostname.sh
+++ b/y2020/vision/rootfs/change_hostname.sh
@@ -22,7 +22,7 @@
echo "${HOSTNAME}" > /etc/hostname
-if grep /etc/hosts '^10\.[0-9]*\.[0-9]*\.[0-9]*\s*pi-[0-9]*-[0-9] pi[0-9]$' /etc/hosts >/dev/null ;
+if grep '^10\.[0-9]*\.[0-9]*\.[0-9]*\s*pi-[0-9]*-[0-9] pi[0-9]$' /etc/hosts >/dev/null ;
then
sed -i "s/^10\.[0-9]*\.[0-9]*\(\.[0-9]*\s*pi-\)[0-9]*\(-[0-9] pi[0-9]\)$/${IP_BASE}\1${TEAM_NUMBER}\2/" /etc/hosts
else