remove leading "-" on empty cache prefix #316

	name: 'test'
	on:
	pull_request:
	push:
	branches:
	- main

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, oracle-aarch64]
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4
	with:
	node-version: '20'
	- run: \|
	npm install
	- run: \|
	npm run all
	test-latest:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, oracle-aarch64]
	steps:
	- uses: actions/checkout@v4
	- name: Should not be on path
	run: \|
	if ! which rye;
	then
	exit 0
	else
	exit 1
	fi
	- name: Install latest
	uses: ./
	- run: \|
	which rye
	test-specific-version:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, oracle-aarch64]
	rye-version: ['0.11.0', '0.12.0', '0.13.0', '0.14.0', '0.15.0', '0.15.1', '0.15.2', '0.16.0', '0.17.0', '0.18.0', '0.19.0', '0.20.0']
	steps:
	- uses: actions/checkout@v4
	- name: Install specific version
	uses: ./
	with:
	version: ${{ matrix.rye-version }}
	- run: \|
	which rye
	test-checksum:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, oracle-aarch64]
	checksum: ['00e795573477a2fe2b3c0ac748240364c3369218d314d1df47d2653764e9bfb1']
	exclude:
	- os: oracle-aarch64
	checksum: '00e795573477a2fe2b3c0ac748240364c3369218d314d1df47d2653764e9bfb1'
	include:
	- os: oracle-aarch64
	checksum: '7e0b1f6e3490a79c1d2600e8c04dd9ed4ea04d29d6c80f1f5a84a79736e9a21d'
	steps:
	- uses: actions/checkout@v4
	- name: Checksum matches expected
	uses: ./
	with:
	version: '0.11.0'
	checksum: ${{ matrix.checksum }}

Provide feedback