Move to Circle CI

.circleci/config.yml

@@ -0,0 +1,88 @@
+install_elixir: &install_elixir
+  run:
+    name: Install Elixir
+    command: |
+      wget https://repo.hex.pm/builds/elixir/v$ELIXIR_VERSION.zip
+      unzip -d /usr/local/elixir v$ELIXIR_VERSION.zip
+      echo 'export PATH=/usr/local/elixir/bin:$PATH' >> $BASH_ENV
+
+install_hex_rebar: &install_hex_rebar
+  run:
+    name: Install hex and rebar
+    command: |
+      mix local.hex --force
+      mix local.rebar --force
+
+install_system_deps: &install_system_deps
+  run:
+    name: Install system dependencies
+    command: |
+      apt update
+      apt install -y unzip astyle libmnl-dev
+
+defaults: &defaults
+  working_directory: ~/repo
+
+version: 2
+
+jobs:
+  build_elixir_1_7_otp_21:
+    docker:
+      - image: erlang:21.0.5
+        environment:
+          ELIXIR_VERSION: 1.7.3-otp-21
+          LC_ALL: C.UTF-8
+          SUDO: true
+    <<: *defaults
+    steps:
+      - checkout
+      - <<: *install_system_deps
+      - <<: *install_elixir
+      - <<: *install_hex_rebar
+      - run: mix deps.get
+      - run: mix format --check-formatted
+      - run: mix test
+      - run: mix docs
+
+  build_elixir_1_6_otp_21:
+    docker:
+      - image: erlang:21.0.5
+        environment:
+          ELIXIR_VERSION: 1.6.6-otp-21
+          LC_ALL: C.UTF-8
+          SUDO: true
+    <<: *defaults
+    steps:
+      - checkout
+      - <<: *install_system_deps
+      - <<: *install_elixir
+      - <<: *install_hex_rebar
+      - run: mix deps.get
+      - run: mix test
+
+  build_elixir_1_6_otp_20:
+    docker:
+      - image: erlang:20.3.8
+        environment:
+          ELIXIR_VERSION: 1.6.6
+          LC_ALL: C.UTF-8
+          SUDO: true
+    <<: *defaults
+    steps:
+      - checkout
+      - <<: *install_system_deps
+      - <<: *install_elixir
+      - <<: *install_hex_rebar
+      - run: mix deps.get
+      - run: mix test
+
+workflows:
+  version: 2
+  build_test:
+    jobs:
+      - build_elixir_1_7_otp_21:
+          context: org-global
+      - build_elixir_1_6_otp_21:
+          context: org-global
+      - build_elixir_1_6_otp_20:
+          context: org-global

README.md

@@ -1,6 +1,6 @@
 # nerves_runtime
 
-[![Build Status](https://travis-ci.org/nerves-project/nerves_runtime.svg?branch=master)](https://travis-ci.org/nerves-project/nerves_runtime)
+[![CircleCI](https://circleci.com/gh/nerves-project/nerves_runtime.svg?style=svg)](https://circleci.com/gh/nerves-project/nerves_runtime)
 [![Hex version](https://img.shields.io/hexpm/v/nerves_runtime.svg "Hex version")](https://hex.pm/packages/nerves_runtime)
 
 `nerves_runtime` is a core component of Nerves. It contains applications and