Update License Year #49

	---
	name: Update License Year

	on:
	schedule:
	- cron: "0 0 1 1 *" # 毎年1月1日に実行
	workflow_dispatch:

	jobs:
	commit-changes:
	runs-on: ubuntu-latest
	timeout-minutes: 5
	permissions:
	contents: write # git push するために必要
	steps:
	- uses: actions/checkout@v4

	- name: Generate GitHub App Token
	id: app_token
	uses: actions/create-github-app-token@v1
	with:
	app-id: ${{ secrets.GHA_APP_ID }}
	private-key: ${{ secrets.GHA_PRIVATE_KEY }}
	owner: ${{ github.repository_owner }}

	- name: Make changes (e.g., update LICENSE year)
	run: \|
	current_year=$(date +"%Y")
	echo "current_year=$current_year" >> "$GITHUB_ENV"
	sed -i "s/[0-9]\{4\}/$current_year/g" LICENSE

	- name: Configure Git
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"

	- name: Create new branch
	run: \|
	branch_name="update-license-year-$current_year"
	echo "branch_name=$branch_name" >> "$GITHUB_ENV"
	git checkout -b "$branch_name"

	- name: Commit changes
	run: \|
	if [ -n "$(git status --porcelain)" ]; then
	git add LICENSE
	git commit -m "Update License year to $current_year"
	else
	echo "No changes to commit"
	fi

	- name: Push changes
	run: \|
	git push -fu origin "$branch_name"
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Create Pull Request
	env:
	GITHUB_TOKEN: ${{ steps.app_token.outputs.token }}
	run: \|
	gh auth setup-git
	gh pr create --title "Update License year to $current_year" --body "This PR updates the license year to $current_year." --head "$branch_name" --base "main"

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