update-plugin-list.yaml

name: Update plugin list in README

on:
  # twice per month (2:15 at the 2nd and 15th of the month)
  schedule:
    - cron: "15 2 2,15 * *"

  # allow triggering manually
  workflow_dispatch:

permissions:
  contents: write

#───────────────────────────────────────────────────────────────────────────────

jobs:
  build:
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v4

      - name: Update plugin list
        run: |
          # config
          nvim_readme="./nvim/README.md"
          last_line_before_plugins="## All installed plugins"
          lazy_lock="./nvim/.lazy-lock.json"
          lazy_specs_path="./nvim/lua/plugins"

          # remove old lines
          sed -i '' -n "1,/$last_line_before_plugins/p" "$nvim_readme"

          # determine all installed plugins
          sed '1d;$d' "$lazy_lock" | cut -d'"' -f2 | # all plugin names
            xargs -I {} grep --only-matching --no-filename --max-count=1 \
              --regexp "[A-Za-z0-9_-]\+/"{} "$lazy_specs_path"/** | # all plugin repos
            sort --ignore-case | uniq |
            sed -E 's|.*|- [&](https://github.com/&)|' \
              >> "$nvim_readme"

      - uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "bot: auto-update plugin list"