mastodon.yml

name: post to mastodon
on:
  push:
    branches: [ "master" ]
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    if: "contains(github.event.head_commit.message, 'TIL:')"
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 2

      - name: get added/changed files
        shell: bash
        run: |
          echo $GITHUB_SHA
          echo 'LINKS_OUT<<EOF' >> $GITHUB_ENV
          git --no-pager diff --name-only ${GITHUB_SHA}^ -- | sed 's/\.[^.]*$//' >> $GITHUB_ENV
          echo 'EOF' >> $GITHUB_ENV
          echo ${{ env.LINKS_OUT }}

      - name: generate links, post to mastodon
        shell: python
        run: |
          import os
          import sys
          import urllib.parse
          import requests

          links = """\
          ${{ env.LINKS_OUT }}
          """

          out = ""
          out += """${{ github.event.head_commit.message }}
          """
          out += "\n"
          for line in links.splitlines():
              line = str(urllib.parse.quote(line.strip()))
              out += f"https://man.ilayk.com/{line}/"
              out += "\n"

          url = "https://mastodon.world/api/v1/statuses"
          headers = {"Authorization": "Bearer ${{ secrets.mastodon }}"}
          response = requests.post(url, headers=headers, data=dict(status=f"{out}", visibility="public"))
          print(response.text)