Install hack/generate directly

openshift/scripts/generate-dockerfiles.sh

@@ -8,13 +8,7 @@ set -o nounset
 set -o pipefail
 
 function install_generate_hack_tool() {
-  local tmp_dir
-  tmp_dir="$(mktemp -d)"
-
-  git clone --branch main --depth 1 https://github.com/openshift-knative/hack.git "${tmp_dir}"
-  cd "${tmp_dir}" && \
-    go install github.com/openshift-knative/hack/cmd/generate && \
-    cd - && rm -rf "${tmp_dir}"
+  GOFLAGS='' go install github.com/openshift-knative/hack/cmd/generate@latest
 
   return $?
 }
@@ -26,10 +20,6 @@ install_generate_hack_tool || exit 1
 "$(go env GOPATH)"/bin/generate \
   --root-dir "${repo_root_dir}" \
   --generators dockerfile \
-  --dockerfile-image-builder-fmt "registry.ci.openshift.org/openshift/release:rhel-9-release-golang-%s-openshift-4.17" \
+  --dockerfile-image-builder-fmt "registry.ci.openshift.org/openshift/release:rhel-8-release-golang-%s-openshift-4.17" \
   --includes cmd/func-util \
-  --additional-packages socat \
-  --additional-packages tar \
-  --sym-link-names /usr/local/bin/deploy \
-  --sym-link-names /usr/local/bin/scaffold \
-  --sym-link-names /usr/local/bin/s2i
+  --template-name "func-util"