Fix pack exist check with empty source #1558

	name: Build exe

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	paths-ignore:
	- "Cargo.*"
	- "src/libs/**"
	- "src/tauri/**"

	jobs:
	build:
	runs-on: windows-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	# Python 3.8 is the latest version supporting Windows 7
	python-version: 3.8
	- name: Set up Rust
	uses: dtolnay/rust-toolchain@stable
	- name: Install dependencies
	run: \|
	# Install pyinstaller in addition to usual deps
	python -m pip install --upgrade pip
	pip install -r requirements.txt -r requirements-dev.txt -r requirements-win.txt
	- name: Install package
	run: \|
	python setup.py develop
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 src/ --count --select=E9,F63,F7,F82 --show-source --statistics
	- name: Test with pytest
	run: \|
	pytest -v src/
	- name: Check pylint
	run: \|
	pylint --disable=R,C src/modlunky2
	- name: Build exe
	run: \|
	python build-exe.py
	- name: "Upload Artifact"
	uses: actions/upload-artifact@v3
	with:
	name: modlunky2.exe
	path: target/release/modlunky2.exe
	retention-days: 5

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