machete.yml

name: machete

on:
  schedule:
    # Runs every Monday at 10:00 AM CET (which is 9:00 AM UTC)
    - cron: '0 9 * * 1'
  workflow_dispatch: # Allow manual triggering of the workflow

jobs:
  cleanup:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Set up Rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable

      - name: Install cargo-machete
        run: cargo install cargo-machete

      - name: Find Unused Dependencies
        run: cargo machete --with-metadata

      - name: Fix Unused Dependencies
        run: cargo machete --fix

      - name: Create a new branch for the changes
        id: create_branch
        run: |
          # Generate a unique branch name based on the current date and time
          BRANCH_NAME="cleanup-$(date +%Y%m%d%H%M%S)"
          git checkout -b "$BRANCH_NAME"
          echo "Created new branch $BRANCH_NAME"
          echo "branch_name=$BRANCH_NAME" >> $GITHUB_ENV  # Set output for later steps

      - name: Commit Changes
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"

          # Check if there are changes to commit
          if [[ -n "$(git status --porcelain)" ]]; then
            git add .
            git commit -m "Fix unused dependencies using cargo machete"
            git push --set-upstream origin $BRANCH_NAME
          else
            echo "No changes to commit."
          fi

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ env.branch_name }}
          base: main
          title: "Fix unused dependencies"
          body: "This PR fixes unused dependencies found by cargo machete."
          commit-message: "machete: removing unused dependencies"
          draft: "false"
          labels: "dependencies, automated pr"
          assignees: "mjovanc, chaseWillden"
        continue-on-error: true