action.yml

name: "Dependascarbabot"
description: "A GitHub Action to automatically update Scarb.lock in Cairo repositories"

inputs:
  github-token:
    description: "GitHub token for authentication"
    required: true
  scarb-version:
    description: "Version of scarb used to run 'scarb update'"
    required: false

runs:
  using: "composite"
  steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        token: ${{ inputs.github-token }}
    - name: Set up Scarb
      uses: software-mansion/setup-scarb@v1
      with:
        scarb-version: ${{ inputs.scarb-version }}

    - name: Update dependencies
      run: scarb update
      shell: bash

    - name: Create or update the PR
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        if [ -n "$(git status --porcelain)" ]; then
          COMMIT_HASH=$(git rev-parse HEAD)
          BRANCH_NAME="update-scarb-lock-$COMMIT_HASH"
          PR_URL=$(gh pr list --head "$BRANCH_NAME" --json url --jq '.[0].url')
          if [ -n "$PR_URL" ]; then
            echo "PR already exists"
          else
            git checkout -b $BRANCH_NAME
            git add .
            git commit -m "Update Scarb.lock"
            git push -uf origin $BRANCH_NAME
          
            gh pr create \
              --title "Update Scarb.lock" \
              --body $'This PR updates Scarb.lock from dependencies specified in Scarb.toml.' \
              --base main --head $BRANCH_NAME
          fi
        fi
      env:
        GH_TOKEN: ${{ inputs.github-token }}
      shell: bash