code-baseline 1.6.0

name: 'Baseline'
description: 'Enforce architectural decisions AI coding tools keep ignoring'
branding:
  icon: 'shield'
  color: 'blue'

inputs:
  config:
    description: 'Path to baseline.toml config file'
    required: false
    default: 'baseline.toml'
  paths:
    description: 'Paths to scan (space-separated)'
    required: false
    default: '.'
  changed-only:
    description: 'Only scan changed files. "auto" enables on PRs, "true"/"false" to force.'
    required: false
    default: 'auto'
  base:
    description: 'Base ref for changed-only diff (default: auto-detect from GITHUB_BASE_REF)'
    required: false
  version:
    description: 'Version of baseline to install'
    required: false
    default: 'latest'

outputs:
  exit-code:
    description: 'Exit code from the scan (0 = clean, 1 = violations, 2 = config error)'
    value: ${{ steps.scan.outputs.exit_code }}

runs:
  using: 'composite'
  steps:
    - name: Install Baseline
      shell: bash
      run: |
        if [ "${{ inputs.version }}" = "latest" ]; then
          cargo install code-baseline
        else
          cargo install code-baseline@${{ inputs.version }}
        fi

    - name: Run Baseline scan
      id: scan
      shell: bash
      run: |
        # Determine if we should use --changed-only
        CHANGED_FLAG=""
        if [ "${{ inputs.changed-only }}" = "true" ]; then
          CHANGED_FLAG="--changed-only"
        elif [ "${{ inputs.changed-only }}" = "auto" ] && [ "${{ github.event_name }}" = "pull_request" ]; then
          CHANGED_FLAG="--changed-only"
        fi

        BASE_FLAG=""
        if [ -n "${{ inputs.base }}" ] && [ -n "$CHANGED_FLAG" ]; then
          BASE_FLAG="--base ${{ inputs.base }}"
        fi

        # Run with github format for inline annotations
        set +e
        baseline scan ${{ inputs.paths }} \
          --config ${{ inputs.config }} \
          --format github \
          $CHANGED_FLAG $BASE_FLAG
        SCAN_EXIT=$?
        set -e

        # Count errors from output
        echo "exit_code=$SCAN_EXIT" >> "$GITHUB_OUTPUT"

        # Run again with markdown for step summary
        baseline scan ${{ inputs.paths }} \
          --config ${{ inputs.config }} \
          --format markdown \
          $CHANGED_FLAG $BASE_FLAG >> "$GITHUB_STEP_SUMMARY" 2>/dev/null || true

        exit $SCAN_EXIT