Update convert_gs2md.yml #5

	name: README.gsをREADME.mdに変換
	on:
	push:
	branches: [ main ]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: README.gs から README.md を生成
	run: \|
	cat README.gs \| sed '1d' \| sed '$d' \| tee README.md

	- name: 差分があれば更新
	id: update
	uses: stefanzweifel/git-auto-commit-action@v4
	with:
	commit_message: "Updated README.md from README.gs by Github Actions"
	skip_dirty_check: false

	- name: 何もしなかった場合にエラー終了させる（続きの処理を動かす条件になるため）
	if: steps.update.outputs.changes_detected == 'false'
	run: \|
	echo "No changes detected. Failing the workflow."
	exit 1

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