distribute-grain.yml

name: Distribute Grain
on:
  # A new Cred interval every Sunday. We'll distribute Grain 5 minutes
  # after the new interval
  schedule:
    - cron: 5 0 * * 0 # 00:05 UTC, 16:05 PST
  push:
    branches:
      # allows us to test this workflow, or manually generate distributions
      # PRSs created from grain-trigger-* branches are targeted
      # on their immediate base branches, as opposed to master
      - "grain-trigger-*"
  # Adds a button to manually trigger a distribution attempt.
  # If grain has been distributed for the most recently completed week
  # the task will be idempotent.
  workflow_dispatch:

jobs:
  distribute-grain:
    runs-on: ubuntu-latest
    env:
      NODE_OPTIONS: --max_old_space_size=8192
    steps:
      - uses: actions/checkout@v2
        with:
          token: ${{ secrets.ADMIN_TOKEN }}

      - name: Install Packages 🔧
        run: |
          yarn --frozen-lockfile

      - name: Load Data and Compute Cred 🧮
        run: yarn sourcecred go
        env:
          SOURCECRED_GITHUB_TOKEN: ${{ secrets.SOURCECRED_GITHUB_TOKEN }}
          SOURCECRED_DISCORD_TOKEN: ${{ secrets.SOURCECRED_DISCORD_TOKEN }}

      - name: Distribute Grain 💸
        run: yarn grain > grain_output.txt

      - name: Set environment variables
        id: details
        run: |
          echo "COMMIT_TITLE=Scheduled grain distribution for week ending $(date +"%B %dth, %Y")" >> $GITHUB_ENV
          description="This commit was auto-generated on $(date +%d-%m-%Y)
          to add the latest grain distribution to our instance.

          $(cat grain_output.txt)"
          description="${description//'%'/'%25'}"
          description="${description//$'\n'/'%0A'}"
          description="${description//$'\r'/'%0D'}"
          echo "::set-output name=commit_body::$description"
          rm grain_output.txt

      - name: Commit ledger changes
        run: |
          git config user.name 'credbot'
          git config user.email 'credbot@users.noreply.github.com'
          git add data/ledger.json
          git add config
          git commit --allow-empty -m '${{ env.COMMIT_TITLE }}' -m '${{ steps.details.outputs.commit_body }}'

      - name: Push Ledger
        run: git push