From 54841b9767c6af54eb623c2088785583eb4eea7e Mon Sep 17 00:00:00 2001
From: Ben Reinhart <benjreinhart@gmail.com>
Date: Mon, 11 Nov 2024 12:30:08 -0800
Subject: [PATCH] Add CI

---
 .github/workflows/ci.yml | 54 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 .github/workflows/ci.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..e64efbc
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,54 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    env:
+      MIX_ENV: test
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - pair:
+              elixir: "1.12"
+              otp: "24.3.4.10"
+          - pair:
+              elixir: "1.17"
+              otp: "27.0.1"
+            lint: lint
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: erlef/setup-beam@main
+        with:
+          otp-version: ${{ matrix.pair.otp }}
+          elixir-version: ${{ matrix.pair.elixir }}
+          version-type: strict
+
+      - uses: actions/cache@v4
+        with:
+          path: deps
+          key: mix-otp-${{ matrix.pair.otp }}-deps-${{ hashFiles('**/mix.lock') }}
+
+      - run: mix deps.get --check-locked
+
+      - run: mix format --check-formatted
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.unlock --check-unused
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.compile
+
+      - run: mix compile --no-optional-deps --warnings-as-errors
+        if: ${{ matrix.lint }}
+
+      - run: mix test --slowest 5
+        if: ${{ ! matrix.lint }}
+
+      - run: mix test --slowest 5 --warnings-as-errors
+        if: ${{ matrix.lint }}