Fix issue 1219

[vaikas]

Changes

Fixes issue #1219

The problem was that the object being updated was created without the proper ObjectMeta, namely ResourceVersion was missing. So, use the fetched resource, overwrite: labels, annotations, and spec and then update with that.

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Release Notes

Fix issue #1219 

[tekton-robot]

Hi @vaikas. Thanks for your PR.

I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[n3wscott]

/ok-to-test

[tekton-robot]

The following is the coverage report on the affected files.
Say /test pull-tekton-triggers-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
pkg/reconciler/eventlistener/eventlistener.go	69.2%	70.0%	0.8

[mattmoor]

/lgtm

This was likely my bad, thanks!
-M

[savitaashture]

Thank you @vaikas 🙏

/cc @Fabian-K

[tekton-robot]

@savitaashture: GitHub didn't allow me to request PR reviews from the following users: Fabian-K.

Note that only tektoncd members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

Thank you @vaikas 🙏

/cc @Fabian-K

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[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mattmoor, savitaashture

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