GH actions #9

	name: Validate Exporter JSON Changes

	on:
	pull_request:
	paths:
	- '*/exporter.json'

	jobs:
	validate_exporter_json:
	runs-on: ubuntu-latest

	steps:
	- name: Check out code
	uses: actions/checkout@v2

	- name: Fetch Base and Head References
	run: \|
	git fetch origin ${{ github.base_ref }}:${{ github.base_ref }}
	git fetch origin ${{ github.head_ref }}:${{ github.head_ref }}

	- name: Show Diff Output
	run: \|
	git diff --name-only ${{ github.base_ref }} ${{ github.head_ref }}

	- name: Validate JSON Changes
	run: \|
	changed_files=$(git diff --name-only ${{ github.base_ref }} ${{ github.head_ref }} \| grep 'exporter.*\.json$')

	if [ -z "$changed_files" ]; then
	echo "No exporter JSON files have changed."
	exit 0
	fi

	# Loop through each changed file
	for file in $changed_files; do
	# Fetch the base and head versions of the file
	base_file=$(git show ${{ github.base_ref }}:$file)
	head_file=$(git show ${{ github.head_ref }}:$file)

	# Compare the JSON keys
	base_keys=$(echo "$base_file" \| jq -r 'paths \| map(tostring) \| join(".")')
	head_keys=$(echo "$head_file" \| jq -r 'paths \| map(tostring) \| join(".")')

	# Check for removed keys
	removed_keys=$(comm -23 <(echo "$base_keys" \| sort) <(echo "$head_keys" \| sort))

	if [ -n "$removed_keys" ]; then
	echo "Backward incompatibility change detected in $file. The following keys were removed:"
	echo "$removed_keys"
	exit 1
	fi
	done

	echo "All exporter JSON files have only additions. No backward incompatibility changes detected."
	shell: bash

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