Add version subcommand

[samanthajayasinghe]

What

Display the current ocm-container version and latest version

{
  "commit": "65ef57625bf38a6dbc4d4e18e03fa3ee5298abac",
  "version": "0.1.0",
  "latest": "0.2.0"
}

[rendhalver]

If I build this from the branch I see this but I guess that's expected given it's not built off a tag.

$ ./build/ocm-container version
Using config file: /home/pebrown/.config/ocm-container/ocm-container.yaml
{
  "commit": "65ef57625bf38a6dbc4d4e18e03fa3ee5298abac",
  "version": "",
  "latest": "0.2.0"
}

[samanthajayasinghe]

If I build this from the branch I see this but I guess that's expected given it's not built off a tag.

$ ./build/ocm-container version
Using config file: /home/pebrown/.config/ocm-container/ocm-container.yaml
{
  "commit": "65ef57625bf38a6dbc4d4e18e03fa3ee5298abac",
  "version": "",
  "latest": "0.2.0"
}

Yeah.. gorelaser only updates the pkg/utils.Version for tags

[rendhalver]

Cool. Let's get this in. Thanks Sam! /lgtm /approved

Making a new release after this seems prudent too. :)

[rendhalver]

Hrm. labels aren't getting added.

/lgtm

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rendhalver, samanthajayasinghe

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