Git Weekly Summary Action

A GitHub Action that generates weekly summaries of code changes using OpenAI and sends them to Slack.

Features

• Analyzes git commits over a specified time period
• Uses OpenAI's models to generate human-readable summaries
• Posts summaries directly to a Slack channel
• Configurable analysis period and model selection

Usage

Add this action to your GitHub workflow:

name: Weekly Code Summaryon:
schedule:
- cron: "0 10 * * 1"# Runs at 10:00 AM every Mondayworkflow_dispatch: # Allows manual triggeringjobs:
summarize:
runs-on: ubuntu-lateststeps:
- uses: gentrace/git-summarizer@v1with:
openai_api_key: ${{ secrets.OPENAI_API_KEY }}slack_bot_token: ${{ secrets.SLACK_BOT_TOKEN }}slack_channel: "C088V1U72BC"# Required - Slack channel IDdays_to_analyze: "7"# Optional, defaults to 7model: "o1"# Optional, defaults to o1

Inputs

Input	Description	Required	Default
openai_api_key	OpenAI API key for generating summaries	Yes	-
slack_bot_token	Slack Bot Token for sending messages	Yes	-
slack_channel	Slack channel ID (e.g., C088V1U72BC)	Yes	-
days_to_analyze	Number of days of history to analyze	No	7
model	OpenAI model to use for summarization	No	o1

Setup

1. Create an OpenAI API key at https://platform.openai.com
2. Create a Slack Bot Token at https://api.slack.com/apps
3. Add both tokens as secrets in your GitHub repository
4. Get your Slack channel ID (right-click channel → Copy channel ID)
5. Add the workflow file to your repository at .github/workflows/weekly-summary.yml
6. Make sure your Slack bot has been invited to the target channel

License

MIT