"opm alpha render-veneer basic" doesn't support pipe stdin

opm alpha render-veneer basic doesn't support pipe stdin

zhaoxia@xzha-mac OCP-53869 % opm version
Version: version.Version{OpmVersion:"7bc5831fd", GitCommit:"7bc5831fd6bd1c4f3494a29470f103de3f8f14f3", BuildDate:"2022-09-13T00:29:33Z", GoOs:"darwin", GoArch:"amd64"}

always

1. create catalog-basic-veneer.yaml 
zhaoxia@xzha-mac OCP-53869 % cat catalog-basic-veneer.yaml 
---
schema: olm.package
name: nginx-operator
defaultChannel: stable
---
schema: olm.channel
package: nginx-operator
name: stable
entries:
- name: nginx-operator.v0.0.1
- name: nginx-operator.v1.0.1
  replaces: nginx-operator.v0.0.1
---
schema: olm.bundle
image: quay.io/olmqe/nginxolm-operator-bundle:v0.0.1
---
schema: olm.bundle
image: quay.io/olmqe/nginxolm-operator-bundle:v1.0.1 

2. run "cat catalog-basic-veneer.yaml| opm alpha render-veneer basic"

zhaoxia@xzha-mac OCP-53869 % cat catalog-basic-veneer.yaml| opm alpha render-veneer basic
Error: accepts 1 arg(s), received 0
Usage:
  opm alpha render-veneer basic basic-veneer-file [flags]


Flags:
  -h, --help            help for basic
  -o, --output string   Output format (json|yaml) (default "json")


Global Flags:
      --skip-tls-verify   skip TLS certificate verification for container image registries while pulling bundles
      --use-http          use plain HTTP for container image registries while pulling bundles 

3.

opm alpha render-veneer basic doesn't support pipe stdin

"opm alpha render-veneer basic" should support pipe stdin like "opm alpha render-veneer semver"

zhaoxia@xzha-mac OCP-53869 % opm alpha render-veneer -h
Render a veneer type


Usage:
  opm alpha render-veneer [command]


Available Commands:
  basic       Generate a declarative config blob from a single 'basic veneer' file
  semver      Generate a file-based catalog from a single 'semver veneer' file 
When FILE is '-' or not provided, the veneer is read from standard input