X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=e5ea8a36d1eefd4af1f0ea62804bf0128a55918f;hp=072fb4c048a968e23e560d317049ed6b3e735358;hb=6fd5cf97f5debb0b0d931612d6bad9f325d30129;hpb=420ac27e61ea1add01319a4f666bd8fb9dc72bd1

diff --git a/chroot-script b/chroot-script
index 072fb4c..e5ea8a3 100755
--- a/chroot-script
+++ b/chroot-script
@@ -340,7 +340,7 @@ hostname() {
 
         # listen on loopback interface only:
         sed -i "s/^inet_interfaces = .*/inet_interfaces = loopback-only/" /etc/postfix/main.cf
-        grep inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf
+        grep -q inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf
      fi
   fi
 }