Feature request: Add a --version parameter

[yorickdowne]

1. What's the feature?

I'd be helpful to be able to call /updater/app --version and have it print out its version and quit.

This would assist us in our Ansible/IaC rollout, where we use this as a sanity check for the tech running the Ansible playbook

[Quentin McGaw]

Sure! I have some code doing the following:

if the first argument to the program is version, -version or --version, print on a new line:

• v2.6.0 if the version is set (only set on releases)
• latest-0abcdef for commits on the master branch
• unknown if the version is not set at all, for example when building the program locally

Would that work/suffice?

I could eventually have it as v2.6.0-0abcdef for a commit after a certain release, but that is tedious to get right (and have the CI enforce this is properly hardcoded in the code etc.)

[yorickdowne]

That’s great. No need to cut a release just for this feature.

[Quentin McGaw]

Actually I went ahead to work on having:

• v2.6.0 for releases commits
• v2.6.0-aef1234 for commits after release v2.6.0 (and before v2.7.0)

I'll let you know once it's ready.

[Quentin McGaw]

Done in 4499d87

In the end, I reverted since it was getting over-complicated to keep track of the previous last release. So it's again:

• v2.6.0 if the version is set (only set on releases)
• latest-0abcdef for commits on the master branch
• unknown if the version is not set at all, for example when building the program locally