Merge pull request #78 from oiwn/homebrew #4

	name: Release on Version Bump

	on:
	push:
	branches:
	- main
	paths:
	- 'Cargo.toml'

	permissions:
	contents: write

	jobs:
	detect-version-change:
	name: Detect version change
	runs-on: ubuntu-latest
	outputs:
	changed: ${{ steps.detect.outputs.changed }}
	version: ${{ steps.detect.outputs.version }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Detect version bump
	id: detect
	shell: bash
	run: \|
	set -euo pipefail
	CURRENT_VERSION=$(grep '^version\s=\s"' Cargo.toml \| head -n1 \| cut -d '"' -f 2)
	echo "Current: $CURRENT_VERSION"

	if git rev-parse HEAD~1 >/dev/null 2>&1; then
	PREV_VERSION=$(git show HEAD~1:Cargo.toml \| grep '^version\s=\s"' \| head -n1 \| cut -d '"' -f 2 \|\| true)
	else
	PREV_VERSION=""
	fi
	echo "Previous: ${PREV_VERSION:-<none>}"

	if [ "$CURRENT_VERSION" != "$PREV_VERSION" ] && [ -n "$CURRENT_VERSION" ]; then
	echo "changed=true" >> "$GITHUB_OUTPUT"
	echo "version=$CURRENT_VERSION" >> "$GITHUB_OUTPUT"
	else
	echo "changed=false" >> "$GITHUB_OUTPUT"
	fi

	create-release:
	name: Create GitHub release
	needs: detect-version-change
	if: needs.detect-version-change.outputs.changed == 'true'
	runs-on: ubuntu-latest
	steps:
	- name: Create/Update release v${{ needs.detect-version-change.outputs.version }}
	uses: ncipollo/release-action@v1
	with:
	tag: v${{ needs.detect-version-change.outputs.version }}
	name: v${{ needs.detect-version-change.outputs.version }}
	generateReleaseNotes: true
	draft: false
	prerelease: false

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