Update release process

Pulling the base with the master ref will use the vault-toolkit image
built from master. The make task creates a release commit that uses the
release image.

Makefile

@@ -1,12 +1,9 @@
 SHELL := /bin/bash
 
-# Hack to take arguments from command line
-# Usage: `make release 1.3.2-1`
-# https://stackoverflow.com/questions/6273608/how-to-pass-argument-to-makefile-from-command-line
 release:
-	@find . -type f \
-	\( -name README.md -o -name kustomization.yaml \) \
-	-exec sed -ri 's#[0-9]+\.[0-9]+\.[0-9]+-[0-9]+#$(filter-out $@,$(MAKECMDGOALS))#g' {} \;
-
-%:		# matches any task name
-	@:	# empty recipe = do nothing
+	@sd "newTag: master" "newTag: $(VERSION)" base/vault-namespace/kustomization.yaml
+	@git add -- base/vault-namespace/kustomization.yaml
+	@git commit -m "Release $(VERSION)"
+	@sd "newTag: $(VERSION)" "newTag: master" base/vault-namespace/kustomization.yaml
+	@git add -- base/vault-namespace/kustomization.yaml
+	@git commit -m "Clean up release $(VERSION)"

README.md

@@ -134,7 +134,7 @@ In vault's namespace:
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 bases:
-  - github.com/utilitywarehouse/vault-manifests//base/vault-namespace?ref=1.7.1-1
+  - github.com/utilitywarehouse/vault-manifests//base/vault-namespace
 ```
 
 Somewhere with permission to apply cluster-wide resources
@@ -143,7 +143,7 @@ Somewhere with permission to apply cluster-wide resources
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 bases:
-  - github.com/utilitywarehouse/vault-manifests//base/cluster-wide?ref=1.7.1-1
+  - github.com/utilitywarehouse/vault-manifests//base/cluster-wide
 ```
 
 ## Examples

base/vault-namespace/kustomization.yaml

@@ -10,4 +10,4 @@ configMapGenerator:
       - resources/statsd-mappings.yaml
 images:
   - name: quay.io/utilitywarehouse/vault-toolkit
-    newTag: 1.7.1-1
+    newTag: master

example/cluster-wide/kustomization.yaml

@@ -2,6 +2,6 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 bases:
   - ../../base/cluster-wide
-  # github.com/utilitywarehouse/vault-manifests//base/cluster-wide?ref=1.7.1-1
+  # github.com/utilitywarehouse/vault-manifests//base/cluster-wide
 resources:
   - rbac.yaml

example/vault-namespace/kustomization.yaml

@@ -2,6 +2,6 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 bases:
   - ../../base/vault-namespace
-  # github.com/utilitywarehouse/vault-manifests//base/vault-namespace?ref=1.7.1-1
+  # github.com/utilitywarehouse/vault-manifests//base/vault-namespace
 resources:
   - rbac.yaml