Trim old reports #43

	name: Trim old reports

	on:
	push:
	branches:
	# So that we can test this action easily:
	- "*/trim-action*"
	workflow_dispatch:
	schedule:
	# Run at 3:03am on the 3rd of the month
	- cron: "3 3 3 * *"

	defaults:
	run:
	shell: bash

	jobs:
	trim:

	runs-on: ubuntu-latest

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

	- name: Remove old reports
	run: \|
	ls -1d reports/$(date -d "7 months ago" +%Y%m)* \| xargs git rm -r
	git config user.name 'Ned Batchelder'
	git config user.email 'ned@nedbatchelder.com'
	git commit -m 'trim reports older than six months'
	git push

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