Generate changelog #41

	name: Generate changelog
	on:
	# release:
	# types: [created, edited, published]
	pull_request:
	types: [closed]
	workflow_run:
	workflows: ["Create release"] # release.yml의 name과 일치해야 함
	types:
	- completed
	workflow_dispatch:

	permissions:
	contents: write
	pull-requests: write

	jobs:
	generate-changelog:
	runs-on: ubuntu-latest
	if: \|
	github.event_name == 'workflow_dispatch' \|\|
	(github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success') \|\|
	(github.event_name == 'pull_request' && github.event.pull_request.merged == true)
	steps:
	- uses: actions/checkout@v5
	with:
	fetch-depth: 0

	- name: Get first tag
	id: get_first_tag
	run: \|
	# 시맨틱 버전 태그 중 가장 최신 버전 찾기 (v1 제외)
	latest_tag="$(git tag -l 'v[0-9].[0-9].[0-9]*' \| sort -V \| tail -n1)"
	echo "LATEST_TAG=${latest_tag}" >> "$GITHUB_ENV"
	# 첫 번째 태그는 v1.0.0으로 고정
	echo "FIRST_TAG=v1.0.0" >> "$GITHUB_ENV"

	- name: Generate changelog
	uses: janheinrichmerker/action-github-changelog-generator@v2.4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	futureRelease: ${{ github.event.release.tag_name \|\| env.LATEST_TAG }}
	output: CHANGELOG.md
	sinceTag: ${{ env.FIRST_TAG }} # v1.0.0과 같은 구체적인 버전 태그
	# excludeTags: "v1,v2" # 명시적으로 제외할 태그
	excludeTagsRegex: "^v[0-9]$"

	- name: Git Commit and Push
	uses: somaz94/go-git-commit-action@v1
	with:
	branch: main
	commit_message: "Update changelog"
	user_email: "actions@github.com"
	user_name: "GitHub Actions"
	file_pattern: "CHANGELOG.md"

Provide feedback