Add an installation shell script for Linux/MacOS #37

	name: ⏬ Install Script

	on:
	workflow_dispatch:
	pull_request:
	paths:
	- '.github/workflows/install-script.yml'
	- 'install.sh'
	push:
	branches: [main]

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

	jobs:
	installation-from-script:
	strategy:
	matrix:
	os: [ubuntu-latest]
	options:
	- --force --verbose
	- --force --dryrun
	- --verbose
	include:
	- options: --verbose
	interactive: "yes \| "
	- options: --force --verbose
	to_cache: true

	name: Install RTMet from shell script
	runs-on: ${{ matrix.os }}
	defaults:
	run:
	shell: bash -l {0}
	steps:
	- uses: actions/checkout@v3
	- name: install RTMet
	run: \|
	${{ matrix.interactive }} bash install.sh ${{ matrix.options }}
	- name: Cache Workflow installation
	if: ${{ matrix.to_cache }}
	uses: actions/cache@v3
	with:
	key: rtmet-${{ runner.os }}-workflow${{ hashFiles('cylc-src/*/') }}-script${{ hashFiles('install.sh') }}
	path: \|
	~/miniforge3
	~/.bashrc
	~/cylc-src
	/usr/local/bin/cylc
	/usr/local/bin/rose

	validate-installation:
	needs: installation-from-script
	name: Validate RTMet installation
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/cache@v3
	with:
	key: rtmet-${{ runner.os }}-workflow${{ hashFiles('cylc-src/*/') }}-script${{ hashFiles('install.sh') }}
	path: \|
	~/miniforge3
	~/.bashrc
	~/cylc-src
	/usr/local/bin/cylc
	/usr/local/bin/rose
	- name: validate RTMet
	run: \|
	cylc --help
	rose --help

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