[chore] documentation update for #21, repair nix dev env #108

	name: nix checks and build

	on:
	workflow_dispatch:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	name: Build cabal-audit
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install Nix
	uses: cachix/install-nix-action@v26

	- name: Set up cachix
	uses: cachix/cachix-action@v14
	with:
	name: cabal-audit
	authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}

	- name: Check flake
	run: \|
	nix -Lv flake check

	- name: Build cabal-audit
	run: \|
	nix -Lv build

	- name: Build cabal-audit static
	run: \|
	nix -Lv build .#cabal-audit-static -o result-static

	- name: Create release artifacts
	run: \|
	mkdir -p artifacts

	cp result-static/bin/cabal-audit artifacts
	chmod +x artifacts/cabal-audit

	- name: check if binary is static
	run: \|
	if ldd result/bin/cabal-audit 2>&1 \| grep -q "not a dynamic executable"; then
	echo "static executable"
	else
	echo "dynamic executable"
	exit 1

	- name: Upload static cabal-audit exe
	uses: actions/upload-artifact@v4
	with:
	name: cabal-audit
	path: artifacts/cabal-audit

	- name: Release nightly cabal-audit exe
	if: github.ref == 'refs/heads/main'
	uses: softprops/action-gh-release@v2
	with:
	prerelease: true
	tag_name: nightly
	files: \|
	artifacts/cabal-audit
	fail_on_unmatched_files: true

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