Update CI to generate release notes from tag #7

	name: CI

	on:
	push:
	branches: [main]
	tags: ["v*"]
	pull_request:
	branches: [main]

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version-file: go.mod
	- run: go test ./...

	build:
	runs-on: ubuntu-latest
	needs: test
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-go@v5
	with:
	go-version-file: go.mod

	- name: Build doubletake
	run: CGO_ENABLED=0 go build -ldflags='-s -w -extldflags=-static' -o doubletake ./cmd/doubletake

	- name: Build doubletake-ctl
	run: CGO_ENABLED=0 go build -ldflags='-s -w -extldflags=-static' -o doubletake-ctl ./cmd/doubletake-ctl

	- uses: actions/upload-artifact@v4
	with:
	name: binaries
	path: \|
	doubletake
	doubletake-ctl

	release:
	if: startsWith(github.ref, 'refs/tags/v')
	runs-on: ubuntu-latest
	needs: build
	permissions:
	contents: write
	steps:
	- uses: actions/download-artifact@v4
	with:
	name: binaries

	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Extract release notes from tag
	id: notes
	run: \|
	# Get the annotated tag message (or commit message for lightweight tags)
	NOTES=$(git tag -l --format='%(contents)' "${GITHUB_REF_NAME}")
	if [ -z "$NOTES" ]; then
	NOTES=$(git log -1 --format='%B' "${GITHUB_REF_NAME}")
	fi
	{
	echo 'RELEASE_NOTES<<EOF'
	echo "$NOTES"
	echo 'EOF'
	} >> "$GITHUB_OUTPUT"

	- name: Create GitHub Release
	uses: softprops/action-gh-release@v2
	with:
	body: ${{ steps.notes.outputs.RELEASE_NOTES }}
	files: \|
	doubletake
	doubletake-ctl

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