Fix changing version in README during release (#493)

Author: informalict

README.md

@@ -100,12 +100,12 @@ upgrades.
 
 ```bash
 # The following will install the custom resources required by the operators.
-helm install https://github.com/arangodb/kube-arangodb/releases/download/0.3.16/kube-arangodb-crd-0.3.16.tgz
+helm install https://github.com/arangodb/kube-arangodb/releases/download/0.4.1/kube-arangodb-crd-0.4.1.tgz
 # The following will install the operator for `ArangoDeployment` &
 # `ArangoDeploymentReplication` resources.
-helm install https://github.com/arangodb/kube-arangodb/releases/download/0.3.16/kube-arangodb-0.3.16.tgz
+helm install https://github.com/arangodb/kube-arangodb/releases/download/0.4.1/kube-arangodb-0.4.1.tgz
 # To use `ArangoLocalStorage`, set field `operator.features.storage` to true
-helm install https://github.com/arangodb/kube-arangodb/releases/download/0.3.16/kube-arangodb-0.3.16.tgz --set "operator.features.storage=true"
+helm install https://github.com/arangodb/kube-arangodb/releases/download/0.4.1/kube-arangodb-0.4.1.tgz --set "operator.features.storage=true"
 ```
 
 ## Upgrading the operator using Helm
@@ -140,9 +140,9 @@ with `helm install` as normal:
 ```bash
 # The following will install the operator for `ArangoDeployment` &
 # `ArangoDeploymentReplication` resources.
-helm install https://github.com/arangodb/kube-arangodb/releases/download/0.3.16/kube-arangodb-0.3.16.tgz
+helm install https://github.com/arangodb/kube-arangodb/releases/download/0.4.1/kube-arangodb-0.4.1.tgz
 # To use `ArangoLocalStorage`, set field `operator.features.storage` to true
-helm install https://github.com/arangodb/kube-arangodb/releases/download/0.3.16/kube-arangodb-0.3.16.tgz --set "operator.features.storage=true"
+helm install https://github.com/arangodb/kube-arangodb/releases/download/0.4.1/kube-arangodb-0.4.1.tgz --set "operator.features.storage=true"
 ```
 
 ## Building

scripts/patch_readme.sh

@@ -18,7 +18,7 @@ function replaceInFile {
             sed -e "${EXPR}" -i "" ${FILE}
             ;;
         *)
-            sed -i --expression "${EXPR}" ${FILE}
+            sed -E -i --expression "${EXPR}" ${FILE}
             ;;
     esac
 }
@@ -30,5 +30,5 @@ replaceInFile "s@^kubectl apply -f https://raw.githubusercontent.com/arangodb/ku
 replaceInFile "s@^kubectl apply -f https://raw.githubusercontent.com/arangodb/kube-arangodb/.*/manifests/arango-deployment-replication.yaml\$@kubectl apply -f https://raw.githubusercontent.com/arangodb/kube-arangodb/${VERSION}/manifests/arango-deployment-replication.yaml@g" ${f}
 replaceInFile "s@^kubectl apply -f https://raw.githubusercontent.com/arangodb/kube-arangodb/.*/manifests/arango-storage.yaml\$@kubectl apply -f https://raw.githubusercontent.com/arangodb/kube-arangodb/${VERSION}/manifests/arango-storage.yaml@g" ${f}
 
-replaceInFile "s@https://github.com/arangodb/kube-arangodb/releases/download/.*/kube-arangodb-crd\(-[0-9]+\.[0-9]+\.[0-9]+\)\?.tgz@https://github.com/arangodb/kube-arangodb/releases/download/${VERSION}/kube-arangodb-crd-${VERSION}.tgz@g" ${f}
-replaceInFile "s@https://github.com/arangodb/kube-arangodb/releases/download/.*/kube-arangodb\(-[0-9]+\.[0-9]+\.[0-9]+\)\?.tgz@https://github.com/arangodb/kube-arangodb/releases/download/${VERSION}/kube-arangodb-${VERSION}.tgz@g" ${f}
+replaceInFile "s@https://github\.com/arangodb/kube-arangodb/releases/download/.*/kube-arangodb-crd-[[:digit:]].*\.tgz@https://github.com/arangodb/kube-arangodb/releases/download/${VERSION}/kube-arangodb-crd-${VERSION}.tgz@g" ${f}
+replaceInFile "s@https://github\.com/arangodb/kube-arangodb/releases/download/.*/kube-arangodb-[[:digit:]].*\.tgz@https://github.com/arangodb/kube-arangodb/releases/download/${VERSION}/kube-arangodb-${VERSION}.tgz@g" ${f}