Build generator directly rather than downloading it

`stolostron` doesn't have releases like upstream does.

Signed-off-by: Dale Haiducek <[email protected]>

.gitignore

@@ -1,3 +1,5 @@
 deploy/manifests.yaml
 .idea
 bin
+schemas
+policy-generator-plugin

build/validate-policies.sh

@@ -80,10 +80,11 @@ GO111MODULE=on go install sigs.k8s.io/kustomize/kustomize/v4@$KUSTOMIZE_VERSION
 export KUSTOMIZE_PLUGIN_HOME=${GOBIN}
 echo "Downloading the generator"
 PLATFORM=`uname | tr '[:upper:]' '[:lower:]'`
-curl -Ls -o generator https://github.com/${GITHUB_REPOSITORY_OWNER}/policy-generator-plugin/releases/latest/download/${PLATFORM}-amd64-PolicyGenerator
-chmod a+x generator
+git clone --depth=1 https://github.com/${GITHUB_REPOSITORY_OWNER}/policy-generator-plugin
+( cd policy-generator-plugin; make build-binary )
+chmod a+x policy-generator-plugin/PolicyGenerator
 mkdir -p ${KUSTOMIZE_PLUGIN_HOME}/${GENERATOR_PATH}
-mv generator ${KUSTOMIZE_PLUGIN_HOME}/${GENERATOR_PATH}/PolicyGenerator
+mv policy-generator-plugin/PolicyGenerator ${KUSTOMIZE_PLUGIN_HOME}/${GENERATOR_PATH}/PolicyGenerator
 
 # Validate the generator projects
 
@@ -95,5 +96,6 @@ validatePolicySets community
 
 # Cleanup
 rm -rf schemas
+rm -rf policy-generator-plugin
 
 # Done