Update README.md (#42) #39

	name: Auto Release

	on:
	push:
	branches:
	- main

	permissions:
	contents: write

	jobs:
	auto-release:
	if: "!startsWith(github.event.head_commit.message, 'chore: release v')"
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	token: ${{ secrets.RELEASE_TOKEN }}

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

	- name: Resolve release version
	id: next
	run: \|
	# The version is the source of truth in graphiq-core/Cargo.toml (set by
	# a chore(release) bump, e.g. 4.3.0). Read it directly rather than
	# computing PATCH+1 — that way merging a version-bump PR tags exactly
	# the version the PR set, and a re-run on an unchanged main is a no-op
	# (the tag already exists → skip). This avoids the off-by-one where
	# auto-release would tag v4.3.1 when the PR bumped to v4.3.0.
	VERSION="$(grep '^version = "' crates/graphiq-core/Cargo.toml \| head -1 \| sed 's/version = "//;s/"//')"
	echo "version=$VERSION" >> "$GITHUB_OUTPUT"

	if [ -z "$VERSION" ]; then
	echo "could not resolve version from Cargo.toml" >&2
	exit 1
	fi

	if git tag -l "v${VERSION}" \| grep -q .; then
	echo "Tag v${VERSION} already exists — nothing to release."
	echo "skip=true" >> "$GITHUB_OUTPUT"
	else
	echo "Tagging v${VERSION}."
	echo "skip=false" >> "$GITHUB_OUTPUT"
	fi

	- name: Tag and push
	if: steps.next.outputs.skip == 'false'
	run: \|
	git tag "v${{ steps.next.outputs.version }}"
	git push origin "v${{ steps.next.outputs.version }}"

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