Update submodules #720

	name: Update submodules
	run-name: Update submodules
	permissions: write-all
	on:
	schedule:
	- cron: '0 0 * * *'
	workflow_dispatch:
	push:
	branches:
	- main

	jobs:
	update_submodules:
	name: Update submodules
	runs-on: ubuntu-latest
	env:
	TZ: "Asia/Tokyo"
	if: contains(github.event.head_commit.message, '[ci skip]') == false
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	- name: Update submodules
	id: update
	run: git submodule update --remote --recursive
	- name: Run git status
	id: status
	run: echo "::set-output name=status::$(git status -s)"
	- name: Add and commit files
	run: \|
	git add .
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git commit -m "Update submodules at $(date "+DATE: %Y-%m-%d TIME: %H:%M:%S")"
	if: ${{ steps.status.outputs.status }}
	- name: Push changes
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: main
	if: ${{ steps.status.outputs.status && github.event_name == 'push' }}

Provide feedback