Mantain mirror (#795)

hack/fmt-image.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+function filter_docker_library() {
+    while read -r line; do
+        if [[ $line =~ ^docker\.io/[^/]*$ ]]; then
+            echo "docker.io/library/${line#docker.io/}"
+        else
+            echo "${line}"
+        fi
+    done
+}
+
+function filter_k8s_old() {
+    while read -r line; do
+        if [[ $line =~ ^k8s\.gcr\.io/.*$ ]]; then
+            echo "registry.k8s.io/${line#k8s.gcr.io/}"
+        else
+            echo "${line}"
+        fi
+    done
+}
+
+cat $1 |
+    filter_docker_library |
+    filter_k8s_old >$1.tmp && mv $1.tmp $1