Only run sync for stable versions, if vendir.yaml has changed since last sync

[fritzduchardt]

Describe the problem/challenge you have

We have a rollout mechanism that heavily relies on vendir to pull in upstream workloads from Helm Charts, OCI Images and Git Repositories. Most of these workloads have fixed versions and don't change unless their corresponding vendir.yaml is modified. Yet, currently vendir constrains us to sync everything on every run, which slows down the process unnecessarily.

Describe the solution you'd like

We would benefit from a feature that runs sync only, if the vendir.yaml was changed after the last sync. We would activate this feature for all workloads with stable versions.

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[kumaritanushree]

@fritzduchardt isn't it similar to this issue #274 (comment) ? Any specific reason for having two separate issues?

[fritzduchardt]

Hi @kumaritanushree, it is referring to the same issue, I accidentally created it twice - sorry about that. Shall we close #274

[kumaritanushree]

@fritzduchardt sure, add this issue link there and mention the reason and can close #274
Thank you

[github-actions]

This issue is being marked as stale due to a long period of inactivity and will be closed in 5 days if there is no response.