Build

ci: compare Bicep file in PR to Bicep file in base branch #34

	name: Build

	on:
	pull_request:
	branches:
	- main

	jobs:
	bicep-build:
	name: Bicep Build
	runs-on: ubuntu-latest
	env:
	BICEP_FILE_PATH: main.bicep
	OUTPUT_FILE_PATH: azuredeploy.json
	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
	with:
	# fetch-depth: 0 # Required to show diff between PR source and target branches
	ref: ${{ github.head_ref }} # Required to push commit to PR source branch

	- name: Build Bicep file
	id: build
	shell: bash {0} # Required to check exit code
	run: \|
	git diff --exit-code "origin/$GITHUB_BASE_REF" "$BICEP_FILE_PATH"
	exit_code="$?"
	if [[ "$exit_code" == 0 ]]; then
	echo "No changes made to Bicep file. Skipping build."
	exit "$exit_code"
	fi

	az bicep build --file "$BICEP_FILE_PATH" --outfile "$OUTPUT_FILE_PATH"
	exit_code="$?"
	if [[ "$exit_code" != 0 ]]; then
	exit "$exit_code"
	fi

	git diff --exit-code "$OUTPUT_FILE_PATH"
	exit_code="$?"

	echo "exit-code=$exit_code" >> "$GITHUB_OUTPUT"

	- name: Push commit
	if: steps.build.outputs.exit-code != 0
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git add "$OUTPUT_FILE_PATH"
	git commit -m "Build Bicep file"
	git push

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