chore(rethinkdb): ReflectPhase: Phase 2 #393

	name: Migration Order
	on:
	pull_request:
	paths:
	- packages/server/postgres/migrations/*.ts
	jobs:
	migration-order:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout master
	uses: actions/checkout@v3
	with:
	ref: ${{ github.base_ref }}

	- name: Get newest migration on master
	run: \|
	MAX_OLD_MIGRATION=$(ls packages/server/postgres/migrations \| tail -n 1)
	echo MAX_OLD_MIGRATION=$MAX_OLD_MIGRATION >> $GITHUB_ENV

	- name: Checkout PR
	uses: actions/checkout@v3

	- name: Get new migrations
	id: new-migrations
	uses: tj-actions/changed-files@v41
	with:
	files: packages/server/postgres/migrations/*.ts

	- name: Check migration conflicts
	run: \|
	for file in ${{ steps.new-migrations.outputs.added_files }}; do
	FILE_NAME=$(basename $file)
	if [[ "$FILE_NAME" < "${{ env.MAX_OLD_MIGRATION }}" ]]; then
	echo "$FILE_NAME predates ${{ env.MAX_OLD_MIGRATION}}. Please rename it"
	exit 1
	else
	echo "$FILE_NAME does not conflict with existing migrations on master"
	fi
	done

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