GitHub公式の issue-metrics Action で開発生産性を振り返る

# .github/workflows/monthly-metrics.yml
name: Monthly Pull Request metrics

on:
  workflow_dispatch:
    inputs:
      year:
        description: "Enter the year (e.g. 2023) for which you want to collect metrics"
        required: true
        type: number
      month:
        description: "Enter the month (1-12) for which you want to collect metrics"
        required: true
        type: number

permissions:
  issues: write
  pull-requests: read

jobs:
  build:
    name: pull request metrics
    runs-on: ubuntu-latest

    steps:
      - name: Get dates for specified year and month
        shell: bash
        run: |
          # Get the specified year and month from the inputs
          year=$
          month=$

          # Calculate the first day of the specified month and year
          first_day=$(date -d "$year-$month-01" +%Y-%m-%d)

          # Calculate the last day of the specified month and year
          last_day=$(date -d "$first_day +1 month -1 day" +%Y-%m-%d)

          # Set an environment variable with the date range
          echo "$first_day..$last_day"
          echo "selected_month=$first_day..$last_day" >> "$GITHUB_ENV"
      - name: Run issue-metrics tool
        uses: github/issue-metrics@v3
        env:
          GH_TOKEN: $
          SEARCH_QUERY: "repo:your-org/repo-name is:pr created:$"
      - name: Create issue
        uses: peter-evans/create-issue-from-file@v5
        with:
          title: "Monthly pull request metrics report ($)"
          token: $
          content-filepath: ./issue_metrics.md