Adjust metadata schema validation action #2

	name: Validate metadata

	on:
	push:
	paths:
	- '**metadata.ya?ml'
	pull_request:
	workflow_dispatch:

	jobs:
	list-metadata-files:
	runs-on: ubuntu-latest
	outputs:
	matrix: ${{ steps.file-matrix.outputs.matrix }}
	steps:
	- uses: actions/checkout@v4
	- id: file-matrix
	run: \|
	echo "matrix=$(find -iname metadata.yaml \| jq -Rsc 'split("\n")[:-1]')" >> $GITHUB_OUTPUT

	yamale-validate:
	needs: list-metadata-files
	runs-on: ubuntu-latest
	strategy:
	matrix:
	metadata-file: ${{ fromJSON(needs.list-metadata-files.outputs.matrix) }}

	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Install Yamale
	run: "pip install yamale"

	- name: Install ruamel
	run: \|
	pip install ruamel.yaml \
	pip install ruamel.yaml.cmd

	- name: Run Yamale
	run: \|
	yamale -s ./test/metadata_schema.yaml -p ruamel ${{ matrix.metadata-file }}

	# cff-validate:
	# needs: list-metadata-files
	# runs-on: ubuntu-latest
	# strategy:
	# matrix:
	# metadata-file: ${{ fromJSON(needs.list-metadata-files.outputs.matrix) }}
	#
	# steps:
	# - name: Validate citation
	# uses: dieghernan/cff-validator@v3

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