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CI housekeeping

CI housekeeping #447

Workflow file for this run

name: Elixir CI
on:
push:
branches:
- main
pull_request:
permissions:
contents: read
jobs:
build:
runs-on: ubuntu-20.04
strategy:
matrix:
include:
- elixir: '1.14'
otp: '25'
- elixir: '1.17'
otp: '27'
lint: true
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Set up Elixir
uses: erlef/setup-beam@v1
with:
elixir-version: ${{ matrix.elixir }}
otp-version: ${{ matrix.otp }}
- name: Restore dependencies cache
uses: actions/cache@v3
with:
path: deps
key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
restore-keys: ${{ runner.os }}-mix-
- name: Install dependencies
run: mix deps.get
- name: Compile with warnings
run: mix compile --warnings-as-errors
if: ${{ matrix.lint }}
- name: Compile without warnings
run: mix compile
if: ${{ matrix.lint }}
- name: Check format
run: mix format --check-formatted
if: ${{ matrix.lint }}
- name: Credo
run: mix credo
if: ${{ matrix.lint }}
- name: Run tests
run: mix test