claude-random-fixes.yml

name: "Claude Random Fixes"

on:
  workflow_dispatch:
    inputs:
      issue_count:
        description: "Number of issues to pick and fix in parallel"
        required: false
        default: "1"
        type: string

jobs:
  pick-issues:
    name: "Pick issues"
    runs-on: ubuntu-latest
    timeout-minutes: 5

    outputs:
      matrix: ${{ steps.pick-issues.outputs.matrix }}

    permissions:
      contents: read
      issues: read

    steps:
      - name: Harden the runner (Audit all outbound calls)
        uses: step-security/harden-runner@5ef0c079ce82195b2a36a210272d6b661572d83e # v2.14.2
        with:
          egress-policy: audit

      - name: "Pick random issues"
        id: pick-issues
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ISSUE_COUNT: ${{ inputs.issue_count || '1' }}
        run: |
          # Fetch all milestones once
          MILESTONES=$(gh api "repos/phpstan/phpstan/milestones?per_page=100&state=all" \
            --jq '[.[] | {title: .title, number: .number}]')

          ISSUE_JSON="[]"

          # Easy fixes - all issues
          MILESTONE_NUM=$(echo "$MILESTONES" | jq -r '.[] | select(.title == "Easy fixes") | .number')
          if [ -n "$MILESTONE_NUM" ]; then
            ISSUES=$(gh api --paginate \
              "repos/phpstan/phpstan/issues?state=open&milestone=${MILESTONE_NUM}&per_page=100" \
              --jq '[.[] | {number: .number, title: .title}]' \
            | jq -s 'add // []')
            ISSUE_JSON=$(echo "[$ISSUE_JSON, $ISSUES]" | jq '.[0] + .[1]')
            echo "Fetched $(echo "$ISSUES" | jq 'length') issues from Easy fixes"
          else
            echo "Warning: Could not find 'Easy fixes' milestone"
          fi

          # Dependent types - Bug label only
          MILESTONE_NUM=$(echo "$MILESTONES" | jq -r '.[] | select(.title == "Dependent types") | .number')
          if [ -n "$MILESTONE_NUM" ]; then
            ISSUES=$(gh api --paginate \
              "repos/phpstan/phpstan/issues?state=open&milestone=${MILESTONE_NUM}&labels=Bug&per_page=100" \
              --jq '[.[] | {number: .number, title: .title}]' \
            | jq -s 'add // []')
            ISSUE_JSON=$(echo "[$ISSUE_JSON, $ISSUES]" | jq '.[0] + .[1]')
            echo "Fetched $(echo "$ISSUES" | jq 'length') Bug issues from Dependent types"
          else
            echo "Warning: Could not find 'Dependent types' milestone"
          fi

          # Generics - Bug label only
          MILESTONE_NUM=$(echo "$MILESTONES" | jq -r '.[] | select(.title == "Generics") | .number')
          if [ -n "$MILESTONE_NUM" ]; then
            ISSUES=$(gh api --paginate \
              "repos/phpstan/phpstan/issues?state=open&milestone=${MILESTONE_NUM}&labels=Bug&per_page=100" \
              --jq '[.[] | {number: .number, title: .title}]' \
            | jq -s 'add // []')
            ISSUE_JSON=$(echo "[$ISSUE_JSON, $ISSUES]" | jq '.[0] + .[1]')
            echo "Fetched $(echo "$ISSUES" | jq 'length') Bug issues from Generics"
          else
            echo "Warning: Could not find 'Generics' milestone"
          fi

          # Deduplicate
          ISSUE_JSON=$(echo "$ISSUE_JSON" | jq 'unique_by(.number)')

          TOTAL=$(echo "$ISSUE_JSON" | jq 'length')
          if [ "$TOTAL" -eq 0 ]; then
            echo "No issues found across milestones"
            exit 1
          fi

          COUNT=$ISSUE_COUNT
          if [ "$COUNT" -gt "$TOTAL" ]; then
            COUNT=$TOTAL
          fi

          # Pick COUNT random unique issues
          SELECTED=$(echo "$ISSUE_JSON" | python3 -c "
          import json, sys, random
          issues = json.load(sys.stdin)
          random.shuffle(issues)
          count = min(int('$COUNT'), len(issues))
          print(json.dumps(issues[:count]))
          ")

          echo "Selected $COUNT issue(s) from $TOTAL total candidates"

          for NUMBER in $(echo "$SELECTED" | jq -r '.[].number'); do
            TITLE=$(echo "$SELECTED" | jq -r --argjson n "$NUMBER" '.[] | select(.number == $n) | .title')
            echo "### Selected issue: #$NUMBER - $TITLE" >> "$GITHUB_STEP_SUMMARY"
          done

          echo "matrix=$(echo "$SELECTED" | jq -c '.')" >> "$GITHUB_OUTPUT"

  fix:
    name: "Fix #${{ matrix.issue.number }}: ${{ matrix.issue.title }}"
    needs: pick-issues
    strategy:
      fail-fast: false
      matrix:
        issue: ${{ fromJson(needs.pick-issues.outputs.matrix) }}
    uses: ./.github/workflows/claude-fix-issue.yml
    with:
      issue-number: ${{ matrix.issue.number }}
    secrets: inherit