Slack PR sync github action

Publish PRs as a message to a slack channel updates the message with emojis representing the PR status.

The message format used is

repositoryName #pullRequestNumber title

and links to the PR in Github

Environment variables

SLACK_BOT_TOKEN

Required A bot token for the app from Slack

The token needs the following scopes:

1. channels:history
2. channels:read
3. chat:write
4. reactions:read
5. reactions:write

SLACK_SIGNING_SECRET

Required The signing secret for the app from Slack

Inputs

slack-channel-id

The channel id for the Slack channel that the bot should post to. The must have access to the channel. If missing the action will post the message to all channels that the bot is a member of.

Example usage

uses: milkywire/slack-pr-actions
  env:
    SLACK_SIGNING_SECRET: ${{ secrets.SLACK_SIGNING_SECRET }}
    SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
  with:
    slack-channel-id: C02B6809Z43