improvement: enable custom duration and simplify expiration calculation #657

	name: Lua syntax check, lint, and format

	on:
	push:
	branches:
	- master
	- v*

	paths:
	- .github/workflows/lua-check.yml
	- config.lua.dist
	- "data/**.lua"

	pull_request:
	paths:
	- .github/workflows/lua-check.yml
	- config.lua.dist
	- "data/**.lua"

	jobs:
	luac:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: leafo/gh-actions-lua@v10
	with:
	luaVersion: "5.4"

	- name: Test Lua syntax
	run: find data/ -name '*.lua' -print0 \| xargs -0 -n1 luac -p

	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: leafo/gh-actions-lua@v10
	- uses: leafo/gh-actions-luarocks@v4

	- name: Install Luacheck
	run: luarocks install luacheck

	- name: Run Luacheck
	run: luacheck data config.lua.dist \|\| true

	format:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: leafo/gh-actions-lua@v10
	- uses: leafo/gh-actions-luarocks@v4

	- name: Install LuaFormatter
	run: luarocks install --server=https://luarocks.org/dev luaformatter

	- name: Run LuaFormatter
	run: \|
	find . -regex ".\.lua." -exec luaformatter -i {} \;
	git diff --exit-code

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