Updated spack file #1

	name: PR Closed Cleanup
	# Remove prereleases that were part of a closed PR, so we save space
	# on our deployment targets. If needed, one can still get the
	# spack.yaml as part of the closed PR and revive it themselves.
	on:
	pull_request:
	types:
	- closed
	branches:
	- main
	- backport/.
	paths:
	- config/**
	- spack.yaml
	env:
	SPACK_YAML_MODEL_YQ: .spack.specs[0]
	jobs:
	get-prerelease-tag-pattern:
	name: Get Prerelease Tag Pattern
	# Get the tag name from the `spack.yaml` that was in the PR that was closed
	# which is of the form `access-om2@git.<version>`.
	runs-on: ubuntu-latest
	outputs:
	tag: ${{ steps.tag.outputs.name }}
	steps:
	- uses: actions/checkout@v4

	- name: Get Tag
	id: tag
	# Get the tag name from the access-om2 spec in the `spack.yaml`.
	run: \|
	access_om2_package=$(yq e '${{ env.SPACK_YAML_MODEL_YQ }}' spack.yaml)
	echo "name=${access_om2_package/*@git./}" >> $GITHUB_OUTPUT

	undeploy-prereleases:
	name: Undeploy Prereleases
	needs:
	- get-prerelease-tag-pattern
	runs-on: ubuntu-latest
	steps:
	- run: echo "Pretending to undeploy prerelease with version pattern ${{ needs.get-prerelease-tag-pattern.outputs.tag }}"
	# uses: access-nri/build-cd/.github/workflows/undeploy-1-setup.yml@main
	# with:
	# version-pattern: ${{ needs.get-prerelease-tag-pattern.outputs.tag }}-*
	# secrets: inherit

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