Generate changelog #4

	name: Generate changelog
	on:
	release:
	types: [created, edited]
	pull_request:
	types: [closed]
	workflow_dispatch:

	permissions:
	contents: write
	pull-requests: write

	jobs:
	generate-changelog:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	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/[email protected]
	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: Commit files
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add CHANGELOG.md
	git commit -m "Update changelog" \|\| echo "No changes to commit"

	- name: Push changes
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: main

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