Update plugin list in README #96

	name: Update plugin list in README

	on:
	schedule:
	- cron: "15 2 * * 3" # once per week on Wednesday

	push:
	branches: [main]
	paths: [.github/workflows/update-plugin-list.yaml]
	workflow_dispatch: {} # enables manual triggering

	permissions:
	contents: write
	#───────────────────────────────────────────────────────────────────────────────

	jobs:
	build:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v6

	- name: Update plugin list
	run: \|
	# CONFIG
	last_line_before_plugins="<!-- auto-generate list -->"
	nvim_readme="./nvim/README.md"
	lazy_lock="./nvim/.lazy-lock.json"
	lazy_specs_path="./nvim/lua/plugin-specs"

	if [[ ! -f "$nvim_readme" \|\| ! -f "$lazy_lock" \|\| ! -d "$lazy_specs_path" ]]; then
	echo "ERROR: missing files"
	exit 1
	fi

	# 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_-]\+/"{}'"' "$lazy_specs_path"/*.lua \| # all plugin repos
	cut -d'"' -f1 \|
	sort --ignore-case \| uniq \|
	sed -E 's\|.*\|- [&](https://github.com/&)\|' \
	>> "$nvim_readme"

	- name: auto-commit
	uses: stefanzweifel/git-auto-commit-action@v7
	with:
	commit_message: "bot: auto-update plugin list"

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