Fix other occurences of GNU-specific sed invocation

bin/release

@@ -88,9 +88,9 @@ build() {
 
     ## Inject the version numbers and build the distributables
     ## (library versions?)
-    sed -i "/SCRIPT_VERSION=/ c\SCRIPT_VERSION=\"$VERSION\"" ./weave
-    sed -i -e "s/:latest/:$VERSION/" -e "/imagePullPolicy: Always/d" ./prog/weave-kube/weave-daemonset.yaml
-    sed -i -e "s/:latest/:$VERSION/" -e "/imagePullPolicy: Always/d" ./prog/weave-kube/weave-daemonset-k8s-1.6.yaml
+    sed -i.bak "/SCRIPT_VERSION=/ c\SCRIPT_VERSION=\"$VERSION\"" ./weave
+    sed -i.bak -e "s/:latest/:$VERSION/" -e "/imagePullPolicy: Always/d" ./prog/weave-kube/weave-daemonset.yaml
+    sed -i.bak -e "s/:latest/:$VERSION/" -e "/imagePullPolicy: Always/d" ./prog/weave-kube/weave-daemonset-k8s-1.6.yaml
     make SUDO=$SUDO WEAVE_VERSION=$VERSION DOCKERHUB_USER=$DOCKERHUB_USER
 
     if make tests; then

test/Vagrantfile

@@ -38,7 +38,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
       host.vm.provision :shell, :inline => <<END
 # Tests rely on hostnames, so we remove potentially incorrect entries (e.g. localhost), and add mappings of IP addresses to hostnames:
-sed -i '/#{hostname}/d' /etc/hosts
+sed -i.bak '/#{hostname}/d' /etc/hosts
 echo "#{ETC_HOSTS_ENTRIES}" >> /etc/hosts
 
 # Fix the resolution errors by using 8.8.8.8

test/run-integration-tests.sh

@@ -175,7 +175,7 @@ function use_or_create_image() {
 function update_local_etc_hosts() {
     echo "> Updating local /etc/hosts..."
     # Remove old entries (if present):
-    for host in $1; do sudo sed -i "/$host/d" /etc/hosts; done
+    for host in $1; do sudo sed -i.bak "/$host/d" /etc/hosts; done
     # Add new entries:
     sudo sh -c "echo \"$2\" >> /etc/hosts"
 }
@@ -183,7 +183,7 @@ function update_local_etc_hosts() {
 function upload_etc_hosts() {
     # Remove old entries (if present):
     # shellcheck disable=SC2016,SC2086
-    $SSH $3 'for host in '$1'; do sudo sed -i "/$host/d" /etc/hosts; done'
+    $SSH $3 'for host in '$1'; do sudo sed -i.bak "/$host/d" /etc/hosts; done'
     # Add new entries:
     echo "$2" | $SSH "$3" "sudo -- sh -c \"cat >> /etc/hosts\""
 }