Correctly interpret long form arguments that lack an equals symbol

test/260_use_name_as_hostname_test.sh

@@ -14,13 +14,17 @@ weave_on $HOST1 launch -iprange 10.2.0.0/24
 start_container_with_dns $HOST1 --name=c1-name
 start_container_with_dns $HOST1 --name=c2-name -h c2-hostname.weave.local.
 start_container_with_dns $HOST1 --name=c3-name --hostname=c3-hostname.weave.local.
-start_container_with_dns $HOST1 -h c4-hostname.weave.local. --name=c4-name
-start_container_with_dns $HOST1 --hostname=c5-hostname.weave.local. --name=c5-name
+start_container_with_dns $HOST1 --name=c4-name --hostname c4-hostname.weave.local.
+start_container_with_dns $HOST1 -h c5-hostname.weave.local. --name=c5-name
+start_container_with_dns $HOST1 --hostname=c6-hostname.weave.local. --name=c6-name
+start_container_with_dns $HOST1 --hostname c7-hostname.weave.local. --name=c7-name
 
 assert "docker_inspect_fqdn $HOST1 c1-name" "c1-name.weave.local."
 assert "docker_inspect_fqdn $HOST1 c2-name" "c2-hostname.weave.local."
 assert "docker_inspect_fqdn $HOST1 c3-name" "c3-hostname.weave.local."
 assert "docker_inspect_fqdn $HOST1 c4-name" "c4-hostname.weave.local."
 assert "docker_inspect_fqdn $HOST1 c5-name" "c5-hostname.weave.local."
+assert "docker_inspect_fqdn $HOST1 c6-name" "c6-hostname.weave.local."
+assert "docker_inspect_fqdn $HOST1 c7-name" "c7-hostname.weave.local."
 
 end_suite

weave

@@ -650,16 +650,26 @@ dns_args() {
     DNS_SEARCH_ARG="--dns-search=."
     HOSTNAME_ARG=""
     HOSTNAME_SPECIFIED=false
-    for arg in "$@" ; do
-        case $arg in
+    while [ $# -gt 0 ] ; do
+        case "$1" in
             --dns-search=*)
                 DNS_SEARCH_ARG=""
+                shift
+                ;;
+            --name)
+                HOSTNAME_ARG="--hostname=$2.$(dns_domain)"
+                shift 2
                 ;;
             --name=*)
-                HOSTNAME_ARG="--hostname=${arg#--name=}.$(dns_domain)"
+                HOSTNAME_ARG="--hostname=${1#*=}.$(dns_domain)"
+                shift
                 ;;
-            -h|--hostname=*)
+            -h|--hostname|--hostname=*)
                 HOSTNAME_SPECIFIED=true
+                shift
+                ;;
+            *)
+                shift
                 ;;
         esac
     done