v3.9.0.17 #9

	name: Version Check
	on:
	release:
	types: [published]

	jobs:
	validate_version:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5
	with:
	fetch-depth: 0 # Fetch complete git history for version comparison

	# Extract last two tags for version comparison
	- name: Get version history
	id: versions
	run: \|
	# Get previous tag (skip current tag)
	PREV_TAG=$(git describe --tags --abbrev=0 $(git rev-list --tags --skip=1 --max-count=1))
	# Current tag being published (extracted from GITHUB_REF)
	CURRENT_TAG=${GITHUB_REF#refs/tags/}
	echo "prev_tag=${PREV_TAG}" >> $GITHUB_OUTPUT
	echo "current_tag=${CURRENT_TAG}" >> $GITHUB_OUTPUT

	# Validate version.h matches the release tag
	- name: Assert version increment
	run: \|
	CODE_VERSION=$(grep -oP '#define\s+VERSION\s+"\Kv?\d+(\.\d+){2,3}' source/source_main/version.h)

	if [[ -z "$CODE_VERSION" ]]; then
	echo "::error::Failed to extract version from source/source_main/version.h"
	exit 1
	fi

	# Verify that the version in version.h matches the tag
	if [[ "${{ steps.versions.outputs.current_tag }}" != "v${CODE_VERSION}" ]]; then
	echo "::error::Version mismatch: tag=${{ steps.versions.outputs.current_tag }} ≠ code=${CODE_VERSION}"
	exit 1
	fi

	# Ensure the version has been incremented
	if [[ "${{ steps.versions.outputs.prev_tag}}" == "${{ steps.versions.outputs.current_tag }}" ]]; then
	echo "::error::Version unchanged: ${{ steps.versions.outputs.current_tag }}"
	exit 1
	fi

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