update.yaml

name: Handle dependency updates

on:
  pull_request:

permissions:
  contents: write
  pull-requests: write

jobs:
  update:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    steps:
      - name: Fetch dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
      - name: Checkout repository
        uses: actions/checkout@v4
        if: steps.metadata.outputs.package-ecosystem == 'npm_and_yarn'
        with:
          ref: ${{github.head_ref}}
      - name: Regenerate parser
        if: steps.metadata.outputs.package-ecosystem == 'npm_and_yarn'
        run: |-
          npm ci --legacy-peer-deps
          npm x -- tree-sitter generate --no-bindings
      - name: Update scanner
        if: steps.metadata.outputs.package-ecosystem == 'npm_and_yarn'
        run: |-
          language=$(jq -r .name src/grammar.json)
          parent=$(gh api --jq '.[]|select(.property_name == "Inherits")|.value' $API_ENDPOINT)
          sed "s/tree_sitter_${parent}_/tree_sitter_${language}_/" \
              "node_modules/tree-sitter-${parent}/src/scanner.c" > src/scanner.c
        env:
          GH_TOKEN: ${{github.token}}
          API_ENDPOINT: repos/${{github.repository}}/properties/values
      - name: Commit changes
        if: steps.metadata.outputs.package-ecosystem == 'npm_and_yarn'
        run: |-
          if ! git diff --quiet -- src && git add src; then
            git config user.name "$GITHUB_ACTOR"
            git config user.email "$GITHUB_ACTOR_ID+$GITHUB_ACTOR@users.noreply.github.com"
            git commit -m 'build: regenerate parser [dependabot skip]'
            git push origin HEAD:$GITHUB_HEAD_REF
          fi