upgrade CI, format

.formatter.exs

@@ -1,5 +1,7 @@
-# Used by "mix format"
 [
-  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
+  inputs: [
+    "{mix,.formatter}.exs",
+    "{config,lib,test}/**/*.{ex,exs}"
+  ],
   line_length: 88
 ]

.github/workflows/ci.yml

@@ -1,23 +1,47 @@
 name: CI
-on: [push, pull_request]
-jobs:
-  test-elixir:
-    runs-on: ubuntu-latest
-    container: elixir:${{ matrix.elixir_version }}-slim
 
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    env:
+      MIX_ENV: test
     strategy:
+      fail-fast: false
       matrix:
-        elixir_version: ["1.8", "1.9", "1.10", "1.11"]
-
+        include:
+          - pair:
+              elixir: 1.8.2
+              otp: 20.3.8.26
+          - pair:
+              elixir: 1.11.4
+              otp: 23.2.7
+            lint: lint
     steps:
       - uses: actions/checkout@v2
 
-      - name: Install system dependencies
-        run: |
-          apt-get update
-          apt-get install --no-install-recommends -y git build-essential
-          mix local.rebar --force
-          mix local.hex --force
-          mix deps.get
+      - uses: erlef/setup-elixir@v1
+        with:
+          otp-version: ${{matrix.pair.otp}}
+          elixir-version: ${{matrix.pair.elixir}}
+
+      - name: Install Dependencies
+        run: mix deps.get --only test
+
+      - run: mix format --check-formatted
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.get && mix deps.unlock --check-unused
+        if: ${{ matrix.lint }}
+
+      - run: mix deps.compile
+
+      - run: mix compile --warnings-as-errors
+        if: ${{ matrix.lint }}
 
       - run: mix test

lib/exqlite/connection.ex

@@ -205,7 +205,11 @@ defmodule Exqlite.Connection do
   def handle_commit(options, %{transaction_status: transaction_status} = state) do
     case Keyword.get(options, :mode, :deferred) do
       :savepoint when transaction_status == :transaction ->
-        handle_transaction(:commit_savepoint, "RELEASE SAVEPOINT exqlite_savepoint", state)
+        handle_transaction(
+          :commit_savepoint,
+          "RELEASE SAVEPOINT exqlite_savepoint",
+          state
+        )
 
       mode
       when mode in [:deferred, :immediate, :exclusive, :transaction] and
@@ -224,7 +228,11 @@ defmodule Exqlite.Connection do
                  "ROLLBACK TO SAVEPOINT exqlite_savepoint",
                  state
                ) do
-          handle_transaction(:rollback_savepoint, "RELEASE SAVEPOINT exqlite_savepoint", state)
+          handle_transaction(
+            :rollback_savepoint,
+            "RELEASE SAVEPOINT exqlite_savepoint",
+            state
+          )
         end
 
       mode
@@ -498,6 +506,7 @@ defmodule Exqlite.Connection do
         columns: [],
         num_rows: 0
       }
+
       {:ok, result, %{state | transaction_status: transaction_status}}
     else
       {:error, reason} ->

lib/exqlite/result.ex

@@ -3,7 +3,7 @@ defmodule Exqlite.Result do
           command: atom,
           columns: [String.t()] | nil,
           rows: [[term] | term] | nil,
-          num_rows: integer(),
+          num_rows: integer()
         }
 
   defstruct command: nil, columns: [], rows: [], num_rows: 0
@@ -13,7 +13,7 @@ defmodule Exqlite.Result do
       command: Keyword.get(options, :command),
       columns: Keyword.get(options, :columns, []),
       rows: Keyword.get(options, :rows, []),
-      num_rows: Keyword.get(options, :num_rows, 0),
+      num_rows: Keyword.get(options, :num_rows, 0)
     }
   end
 end

mix.exs

@@ -36,7 +36,7 @@ defmodule Exqlite.MixProject do
     [
       {:db_connection, "~> 2.1"},
       {:elixir_make, "~> 0.6", runtime: false},
-      {:ex_doc, "~> 0.24", only: [:dev], runtime: false},
+      {:ex_doc, "~> 0.24", only: [:docs], runtime: false},
       {:temp, "~> 0.4", only: [:test]}
     ]
   end