chore: empty mix app and copy files from x86_64 template.

.drone.yml

@@ -0,0 +1,227 @@
+kind: pipeline
+type: docker
+name: build
+
+environment:
+  HEX_HOME: /drone/src/.hex
+  MIX_HOME: /drone/src/.mix
+  REBAR_BASE_DIR: /drone/src/.rebar3
+  ASDF_DATA_DIR: /drone/src/.asdf
+  ASDF_DIR: /root/.asdf
+  XDG_DATA_HOME: /drone/src/.nerves_data
+  NERVES_FW_PRODUCT: "Bivouac RPI4"
+  NERVES_FW_AUTHOR: "James Harton <james@harton.nz>"
+
+platform:
+  os: linux
+  arch: arm64
+
+steps:
+  - name: submodules
+    image: alpine/git
+    commands:
+      - git submodule update --init --recursive
+
+  - name: restore ASDF cache
+    image: meltwater/drone-cache
+    pull: "always"
+    environment:
+      AWS_ACCESS_KEY_ID:
+        from_secret: ACCESS_KEY_ID
+      AWS_SECRET_ACCESS_KEY:
+        from_secret: SECRET_ACCESS_KEY
+      AWS_PLUGIN_PATH_STYLE: true
+    settings:
+      restore: true
+      endpoint:
+        from_secret: S3_ENDPOINT
+      bucket:
+        from_secret: CACHE_BUCKET
+      region: us-east-1
+      path-style: true
+      cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+      mount:
+        - .asdf
+
+  - name: restore build cache
+    image: meltwater/drone-cache
+    environment:
+      AWS_ACCESS_KEY_ID:
+        from_secret: ACCESS_KEY_ID
+      AWS_SECRET_ACCESS_KEY:
+        from_secret: SECRET_ACCESS_KEY
+      AWS_PLUGIN_PATH_STYLE: true
+    settings:
+      restore: true
+      endpoint:
+        from_secret: S3_ENDPOINT
+      bucket:
+        from_secret: CACHE_BUCKET
+      region: us-east-1
+      path-style: true
+      cache_key: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+      mount:
+        - deps
+        - _build
+        - .hex
+        - .mix
+        - .rebar3
+
+  - name: restore nerves cache
+    image: meltwater/drone-cache
+    environment:
+      AWS_ACCESS_KEY_ID:
+        from_secret: ACCESS_KEY_ID
+      AWS_SECRET_ACCESS_KEY:
+        from_secret: SECRET_ACCESS_KEY
+      AWS_PLUGIN_PATH_STYLE: true
+    settings:
+      restore: true
+      endpoint:
+        from_secret: S3_ENDPOINT
+      bucket:
+        from_secret: CACHE_BUCKET
+      region: us-east-1
+      path-style: true
+      mount:
+        - .nerves
+        - .nerves_data
+
+  - name: install dependencies
+    image: code.harton.nz/james/asdf_container:latest
+    pull: "always"
+    depends_on:
+      - restore ASDF cache
+      - restore build cache
+    commands:
+      - asdf_install
+      - rm -rf .asdf/downloads
+      - . $ASDF_DIR/asdf.sh
+      - mix local.hex --if-missing --force
+      - mix local.rebar --if-missing --force
+      - mix archive.install hex nerves_bootstrap --force
+      - mix deps.get
+
+  - name: get buildroot dependencies
+    image: code.harton.nz/james/asdf_container:latest
+    depends_on:
+      - install dependencies
+    commands:
+      - ./deps/nerves_system_br/create-build.sh bivouac_defconfig .temp_nerves_system
+      - (cd .temp_nerves_system && make source)
+
+  - name: build system
+    image: code.harton.nz/james/asdf_container:latest
+    depends_on:
+      - get buildroot dependencies
+    commands:
+      - . $ASDF_DIR/asdf.sh
+      - mix compile
+
+  - name: store ASDF cache
+    image: meltwater/drone-cache
+    environment:
+      AWS_ACCESS_KEY_ID:
+        from_secret: ACCESS_KEY_ID
+      AWS_SECRET_ACCESS_KEY:
+        from_secret: SECRET_ACCESS_KEY
+      AWS_PLUGIN_PATH_STYLE: true
+    depends_on:
+      - install dependencies
+    settings:
+      rebuild: true
+      override: false
+      endpoint:
+        from_secret: S3_ENDPOINT
+      bucket:
+        from_secret: CACHE_BUCKET
+      region: us-east-1
+      path-style: true
+      cache_key: 'asdf-{{ os }}-{{ arch }}-{{ checksum ".tool-versions" }}'
+      mount:
+        - .asdf
+
+  - name: store build cache
+    image: meltwater/drone-cache
+    environment:
+      AWS_ACCESS_KEY_ID:
+        from_secret: ACCESS_KEY_ID
+      AWS_SECRET_ACCESS_KEY:
+        from_secret: SECRET_ACCESS_KEY
+      AWS_PLUGIN_PATH_STYLE: true
+    depends_on:
+      - build system
+    settings:
+      rebuild: true
+      override: false
+      endpoint:
+        from_secret: S3_ENDPOINT
+      bucket:
+        from_secret: CACHE_BUCKET
+      region: us-east-1
+      path-style: true
+      cache_key: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+      mount:
+        - deps
+        - _build
+        - .hex
+        - .mix
+        - .rebar3
+
+  - name: store nerves cache
+    image: meltwater/drone-cache
+    environment:
+      AWS_ACCESS_KEY_ID:
+        from_secret: ACCESS_KEY_ID
+      AWS_SECRET_ACCESS_KEY:
+        from_secret: SECRET_ACCESS_KEY
+      AWS_PLUGIN_PATH_STYLE: true
+    depends_on:
+      - build system
+    settings:
+      rebuild: true
+      override: false
+      endpoint:
+        from_secret: S3_ENDPOINT
+      bucket:
+        from_secret: CACHE_BUCKET
+      region: us-east-1
+      path-style: true
+      mount:
+        - .nerves
+        - .nerves_data
+
+  - name: lint system
+    image: code.harton.nz/james/asdf_container:latest
+    depends_on:
+      - build system
+    commands:
+      - . $ASDF_DIR/asdf.sh
+      - mix nerves.system.lint bivouac_defconfig
+
+  - name: build artifacts
+    image: code.harton.nz/james/asdf_container:latest
+    depends_on:
+      - lint system
+    commands:
+      - . $ASDF_DIR/asdf.sh
+      - mkdir -p deploy/system/artifacts
+      - cp ./CHANGELOG.md deploy/system/CHANGELOG.md
+      - TAG=$${DRONE_TAG:-$$DRONE_COMMIT_SHA} mix nerves.artifact ${DRONE_REPO_NAME} --path deploy/system/artifacts
+
+  - name: gitea tag release
+    image: plugins/gitea-release
+    depends_on:
+      - build artifacts
+    when:
+      event:
+        - tag
+      refs:
+        include:
+          - refs/tags/v*
+    settings:
+      api_key:
+        from_secret: DRONE_TOKEN
+      base_url: https://code.harton.nz
+      files: deploy/system/artifacts/*
+      checksum: sha256

.formatter.exs

@@ -0,0 +1,4 @@
+# Used by "mix format"
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.gitignore

@@ -0,0 +1,30 @@
+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where 3rd-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Ignore our generated files
+/build.log
+/archive.log
+/.nerves
+
+# Ignore files copied from the underlying system
+/fwup*
+/post*sh
+/VERSION
+/linux
+/*.dts
+/*.txt

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "nerves_system_rpi4"]
+	path = nerves_system_rpi4
+	url = https://github.com/nerves-project/nerves_system_rpi4.git

Config.in

@@ -0,0 +1,4 @@
+# Add project-specific packages for Buildroot here
+#
+# If these are non-proprietary, please consider contributing them back to
+# Nerves or Buildroot.

README.md

@@ -0,0 +1,3 @@
+# bivouac_system_rpi4
+
+Builder for the Bivouac base system on Raspberry Pi 4.

bivouac_defconfig

@@ -0,0 +1,90 @@
+BR2_aarch64=y
+BR2_cortex_a72=y
+BR2_ARM_FPU_VFPV4=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
+BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
+BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/nerves-project/toolchains/releases/download/v1.8.0/nerves_toolchain_aarch64_nerves_linux_gnu-linux_${shell uname -m}-1.8.0-E9F5B2A.tar.xz"
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="aarch64-nerves-linux-gnu"
+BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_19=y
+BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
+# BR2_TOOLCHAIN_EXTERNAL_INET_RPC is not set
+BR2_TOOLCHAIN_EXTERNAL_CXX=y
+BR2_TOOLCHAIN_EXTERNAL_OPENMP=y
+BR2_TAR_OPTIONS="--no-same-owner"
+BR2_BACKUP_SITE="http://dl.nerves-project.org"
+BR2_ENABLE_DEBUG=y
+BR2_OPTIMIZE_2=y
+BR2_GLOBAL_PATCH_DIR="${BR2_EXTERNAL_NERVES_PATH}/patches"
+BR2_REPRODUCIBLE=y
+BR2_ROOTFS_SKELETON_CUSTOM=y
+BR2_ROOTFS_SKELETON_CUSTOM_PATH="${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/skeleton"
+BR2_INIT_NONE=y
+BR2_ROOTFS_DEVICE_TABLE="${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/device_table.txt"
+BR2_ENABLE_LOCALE_WHITELIST="locale-archive"
+BR2_GENERATE_LOCALE="en_US.UTF-8"
+BR2_ROOTFS_OVERLAY="${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/rootfs_overlay ${NERVES_DEFCONFIG_DIR}/rootfs_overlay"
+BR2_ROOTFS_POST_BUILD_SCRIPT="${NERVES_DEFCONFIG_DIR}/post-build.sh ${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="${NERVES_DEFCONFIG_DIR}/post-createfs.sh"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/refs/tags/1.20230405.tar.gz"
+BR2_LINUX_KERNEL_PATCH="${NERVES_DEFCONFIG_DIR}/linux"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="${NERVES_DEFCONFIG_DIR}/linux-6.1.defconfig"
+BR2_LINUX_KERNEL_XZ=y
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2711-rpi-4-b broadcom/bcm2711-rpi-cm4 broadcom/bcm2711-rpi-400"
+BR2_LINUX_KERNEL_CUSTOM_DTS_PATH="${NERVES_DEFCONFIG_DIR}/ramoops.dts"
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/busybox.config"
+BR2_PACKAGE_ALSA_UTILS=y
+# BR2_PACKAGE_ALSA_UTILS_ALSAMIXER is not set
+BR2_PACKAGE_ALSA_UTILS_AMIXER=y
+BR2_PACKAGE_ALSA_UTILS_APLAY=y
+BR2_PACKAGE_F2FS_TOOLS=y
+BR2_PACKAGE_MESA3D=y
+BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SWRAST=y
+BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_V3D=y
+BR2_PACKAGE_MESA3D_OPENGL_ES=y
+BR2_PACKAGE_RPI_FIRMWARE=y
+BR2_PACKAGE_RPI_FIRMWARE_CUSTOM_VERSION="1.20230405"
+BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4_X=y
+BR2_PACKAGE_PIGPIO=y
+# BR2_PACKAGE_RNG_TOOLS_JITTERENTROPY_LIBRARY is not set
+BR2_PACKAGE_RPI_USERLAND=y
+# BR2_PACKAGE_ALSA_LIB_RAWMIDI is not set
+# BR2_PACKAGE_ALSA_LIB_HWDEP is not set
+# BR2_PACKAGE_ALSA_LIB_SEQ is not set
+# BR2_PACKAGE_ALSA_LIB_ALISP is not set
+# BR2_PACKAGE_ALSA_LIB_OLD_SYMBOLS is not set
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_LIBP11=y
+BR2_PACKAGE_UNIXODBC=y
+BR2_PACKAGE_DTC=y
+BR2_PACKAGE_LIBCAMERA_V4L2=y
+BR2_PACKAGE_LIBCAMERA_PIPELINE_RASPBERRYPI=y
+BR2_PACKAGE_LIBCAMERA_APPS=y
+BR2_PACKAGE_LIBMNL=y
+BR2_PACKAGE_WIRELESS_REGDB=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT=y
+BR2_PACKAGE_WPA_SUPPLICANT_MESH_NETWORKING=y
+BR2_PACKAGE_WPA_SUPPLICANT_AUTOSCAN=y
+BR2_PACKAGE_WPA_SUPPLICANT_HOTSPOT=y
+BR2_PACKAGE_WPA_SUPPLICANT_DEBUG_SYSLOG=y
+BR2_PACKAGE_WPA_SUPPLICANT_WPS=y
+BR2_PACKAGE_WPA_SUPPLICANT_WPA3=y
+BR2_PACKAGE_WPA_SUPPLICANT_CTRL_IFACE=y
+# BR2_TARGET_ROOTFS_TAR is not set
+BR2_NERVES_SYSTEM_NAME="nerves_system_rpi4"
+BR2_NERVES_ADDITIONAL_IMAGE_FILES="${NERVES_DEFCONFIG_DIR}/fwup.conf ${NERVES_DEFCONFIG_DIR}/cmdline.txt ${NERVES_DEFCONFIG_DIR}/config.txt"
+BR2_PACKAGE_NBTTY=y
+BR2_PACKAGE_NERVES_CONFIG=y
+BR2_PACKAGE_RPI_DISTRO_FIRMWARE_NONFREE=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_BTRFS_PROGS=y
+BR2_PACKAGE_CONTAINERD=y
+BR2_PACKAGE_CNI_PLUGINS=y
+BR2_PACKAGE_IPTABLES=y
+BR2_PACKAGE_NERDCTL=y

config/config.exs

@@ -0,0 +1,11 @@
+import Config
+
+if config_env() == :docs do
+  config :git_ops,
+    mix_project: Mix.Project.get!(),
+    changelog_file: "CHANGELOG.md",
+    repository_url: "https://code.harton.nz/bivouac/bivouac_system_rpi4",
+    manage_mix_version?: true,
+    version_tag_prefix: "v",
+    manage_readme_version: "README.md"
+end

lib/bivouac_system_rpi4.ex

@@ -0,0 +1,18 @@
+defmodule BivouacSystemRpi4 do
+  @moduledoc """
+  Documentation for `BivouacSystemRpi4`.
+  """
+
+  @doc """
+  Hello world.
+
+  ## Examples
+
+      iex> BivouacSystemRpi4.hello()
+      :world
+
+  """
+  def hello do
+    :world
+  end
+end

mix.exs

@@ -0,0 +1,180 @@
+defmodule BivouacSystemRpi4.MixProject do
+  use Mix.Project
+
+  @app :bivouac_system_rpi4
+  @source_url "https://code.harton.nz/james/bivouac_system_rpi4"
+  @version "0.1.0"
+  @description """
+  A customised Raspberry Pi 4 buildroot for the Bivouac project.
+  """
+
+  @upstream_globs [
+    "{fwup*,post*sh}",
+    "rootfs_overlay/**/*",
+    "fwup_include/**/*",
+    "linux/**/*",
+    "*.dts",
+    "*.txt"
+  ]
+
+  def project do
+    [
+      app: @app,
+      version: @version,
+      elixir: "~> 1.6",
+      compilers: Mix.compilers() ++ [:nerves_package],
+      nerves_package: nerves_package(),
+      description: @description,
+      package: package(),
+      deps: deps(),
+      aliases: [
+        loadconfig: [&bootstrap/1],
+        compile: [&upstream_wrap("compile", "nerves_system_rpi4", &1)],
+        "nerves.artifact": [&upstream_wrap("nerves.artifact", "nerves_system_rpi4", &1)],
+        "nerves.system.lint": [&upstream_wrap("nerves.system.lint", "nerves_system_rpi4", &1)],
+        clean: [&upstream_wrap("clean", "nerves_system_rpi4", &1)]
+      ],
+      docs: docs(),
+      preferred_cli_env: %{
+        docs: :docs,
+        "hex.build": :docs,
+        "hex.publish": :docs,
+        "git_ops.release": :docs
+      }
+    ]
+  end
+
+  def application do
+    [extra_applications: [:eex]]
+  end
+
+  defp bootstrap(args) do
+    set_target()
+    Application.start(:nerves_bootstrap)
+    Mix.Task.run("loadconfig", args)
+  end
+
+  defp nerves_package do
+    [
+      type: :system,
+      artifact_sites: [
+        {:gitea_releases, "code.harton.nz/bivouac/bivouac_system_rpi4"}
+      ],
+      build_runner_opts: build_runner_opts(),
+      platform: Nerves.System.BR,
+      platform_config: [
+        defconfig: "bivouac_defconfig"
+      ],
+      # The :env key is an optional experimental feature for adding environment
+      # variables to the crosscompile environment. These are intended for
+      # llvm-based tooling that may need more precise processor information.
+      env: [
+        {"TARGET_ARCH", "aarch64"},
+        {"TARGET_OS", "linux"},
+        {"TARGET_ABI", "gnu"},
+        {"TARGET_GCC_FLAGS",
+         "-mabi=lp64 -fstack-protector-strong -mcpu=cortex-a72 -fPIE -pie -Wl,-z,now -Wl,-z,relro"}
+      ],
+      checksum: package_files()
+    ]
+  end
+
+  defp deps do
+    [
+      # {:nerves, "~> 1.5.4 or ~> 1.6.0 or ~> 1.7.15 or ~> 1.8", runtime: false},
+      {:nerves,
+       github: "jimsynz/nerves", branch: "add-gitea-artifacts", override: true, runtime: false},
+      {:nerves_system_br, "1.24.1", runtime: false},
+      {:nerves_toolchain_aarch64_nerves_linux_gnu, "~> 1.8.0", runtime: false},
+      {:nerves_system_linter, "~> 0.4", only: [:dev, :test], runtime: false},
+      {:ex_doc, "~> 0.22", only: :docs, runtime: false},
+      {:git_ops, "~> 2.6", only: :docs, runtime: false}
+    ]
+  end
+
+  defp docs do
+    [
+      extras: ["README.md", "CHANGELOG.md"],
+      main: "readme",
+      source_ref: "v#{@version}",
+      source_url: @source_url,
+      skip_undefined_reference_warnings_on: ["CHANGELOG.md"]
+    ]
+  end
+
+  defp package do
+    [
+      files: package_files(),
+      licenses: ["HL3-FULL"],
+      links: %{"Code" => @source_url}
+    ]
+  end
+
+  defp package_files do
+    [
+      "bivouac_defconfig",
+      "CHANGELOG.md",
+      "Config.in",
+      "LICENSE.md",
+      "linux-6.1.defconfig",
+      "mix.exs",
+      "README.md"
+    ]
+  end
+
+  defp build_runner_opts() do
+    # Download source files first to get download errors right away.
+    [make_args: primary_site() ++ ["source", "all", "legal-info"]]
+  end
+
+  defp primary_site() do
+    case System.get_env("BR2_PRIMARY_SITE") do
+      nil -> []
+      primary_site -> ["BR2_PRIMARY_SITE=#{primary_site}"]
+    end
+  end
+
+  defp set_target() do
+    if function_exported?(Mix, :target, 1) do
+      apply(Mix, :target, [:target])
+    else
+      System.put_env("MIX_TARGET", "target")
+    end
+  end
+
+  defp upstream_wrap(task, upstream_path, args) do
+    upstream_files =
+      __DIR__
+      |> Path.join(upstream_path)
+      |> then(fn path ->
+        Enum.map(@upstream_globs, &Path.join(path, &1))
+      end)
+      |> Enum.flat_map(&Path.wildcard/1)
+      |> Enum.reject(&File.dir?/1)
+
+    {:ok, created_files} =
+      Enum.reduce_while(upstream_files, {:ok, []}, fn source_path, {:ok, created_files} ->
+        target_path = String.replace(source_path, "/#{upstream_path}", "")
+
+        with :ok <- File.mkdir_p(Path.dirname(target_path)),
+             false <- File.exists?(target_path),
+             :ok <- File.cp(source_path, target_path) do
+          {:cont, {:ok, [target_path | created_files]}}
+        else
+          true -> {:cont, {:ok, created_files}}
+          error -> {:halt, error}
+        end
+      end)
+
+    version_path =
+      __DIR__
+      |> Path.join("VERSION")
+
+    :ok = File.write(version_path, @version)
+
+    Mix.Task.run(task, args)
+
+    File.rm(version_path)
+    Enum.each(created_files, &File.rm/1)
+  end
+end

mix.lock

@@ -0,0 +1,18 @@
+%{
+  "castore": {:hex, :castore, "1.0.4", "ff4d0fb2e6411c0479b1d965a814ea6d00e51eb2f58697446e9c41a97d940b28", [:mix], [], "hexpm", "9418c1b8144e11656f0be99943db4caf04612e3eaecefb5dae9a2a87565584f8"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.37", "2ad73550e27c8946648b06905a57e4d454e4d7229c2dafa72a0348c99d8be5f7", [:mix], [], "hexpm", "6b19783f2802f039806f375610faa22da130b8edc21209d0bff47918bb48360e"},
+  "elixir_make": {:hex, :elixir_make, "0.7.7", "7128c60c2476019ed978210c245badf08b03dbec4f24d05790ef791da11aa17c", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}], "hexpm", "5bc19fff950fad52bbe5f211b12db9ec82c6b34a9647da0c2224b8b8464c7e6c"},
+  "ex_doc": {:hex, :ex_doc, "0.30.6", "5f8b54854b240a2b55c9734c4b1d0dd7bdd41f71a095d42a70445c03cf05a281", [:mix], [{:earmark_parser, "~> 1.4.31", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "bd48f2ddacf4e482c727f9293d9498e0881597eae6ddc3d9562bd7923375109f"},
+  "git_cli": {:hex, :git_cli, "0.3.0", "a5422f9b95c99483385b976f5d43f7e8233283a47cda13533d7c16131cb14df5", [:mix], [], "hexpm", "78cb952f4c86a41f4d3511f1d3ecb28edb268e3a7df278de2faa1bd4672eaf9b"},
+  "git_ops": {:hex, :git_ops, "2.6.0", "e0791ee1cf5db03f2c61b7ebd70e2e95cba2bb9b9793011f26609f22c0900087", [:mix], [{:git_cli, "~> 0.2", [hex: :git_cli, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "b98fca849b18aaf490f4ac7d1dd8c6c469b0cc3e6632562d366cab095e666ffe"},
+  "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
+  "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.16.1", "cc9e3ca312f1cfeccc572b37a09980287e243648108384b97ff2b76e505c3555", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "e127a341ad1b209bd80f7bd1620a15693a9908ed780c3b763bccf7d200c767c6"},
+  "makeup_erlang": {:hex, :makeup_erlang, "0.1.2", "ad87296a092a46e03b7e9b0be7631ddcf64c790fa68a9ef5323b6cbb36affc72", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "f3f5a1ca93ce6e092d92b6d9c049bcda58a3b617a8d888f8e7231c85630e8108"},
+  "nerves": {:git, "https://github.com/jimsynz/nerves.git", "cc6982f7493cdc368ea095e59288bc06c6c4cec3", [branch: "add-gitea-artifacts"]},
+  "nerves_system_br": {:hex, :nerves_system_br, "1.24.1", "2c9df0bee3bc01a971e1d72a5b137fe9448a74ba1fdd0da02c52e291b468f8a7", [:mix], [], "hexpm", "d13ce0501f4db51869628d138edf5bffbb4fe38f3afa9f9f1e5371f7501535ff"},
+  "nerves_system_linter": {:hex, :nerves_system_linter, "0.4.0", "81e9a6f5018fe5fb67d7b43a04dca36156f62b55b5554eb2fa3964d3889d09cd", [:mix], [], "hexpm", "b5bd8480ce7a6317f4601ff41fd2f594bdf76aff0bdf6dcfac571c3fa1ec5f82"},
+  "nerves_toolchain_aarch64_nerves_linux_gnu": {:hex, :nerves_toolchain_aarch64_nerves_linux_gnu, "1.8.0", "40f7fe58737aaa9c6beee0e3599cca2265d1b4e40d7ab2713d7ad872349f21c2", [:mix], [{:nerves, "~> 1.4", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_toolchain_ctng, "~> 1.9.3", [hex: :nerves_toolchain_ctng, repo: "hexpm", optional: false]}], "hexpm", "c06a16b54634bbab7348ee7686e3b02574e0af742144c406b0f196b5b374349c"},
+  "nerves_toolchain_ctng": {:hex, :nerves_toolchain_ctng, "1.9.3", "60e87fde05988c4264babc8d68a9221c7b8fe5dc195b7d1526f29b8e626c735c", [:mix], [{:nerves, "~> 1.0", [hex: :nerves, repo: "hexpm", optional: false]}], "hexpm", "2b6edb0687b7f78d3fa49958d759f647e351b23c1f59f637c617a6dc179994ae"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.3.1", "2c54013ecf170e249e9291ed0a62e5832f70a476c61da16f6aac6dca0189f2af", [:mix], [], "hexpm", "2682e3c0b2eb58d90c6375fc0cc30bc7be06f365bf72608804fb9cffa5e1b167"},
+}

nerves_system_rpi4

@@ -0,0 +1 @@
+Subproject commit 8a3ffb8feabb34d7efb00c37ec2712409b03260f

rootfs_overlay/etc/erlinit.config

@@ -0,0 +1,81 @@
+# Additional configuration for erlinit
+#
+# To override the settings in this file, see
+# https://hexdocs.pm/nerves/advanced-configuration.html#overriding-erlinit-config-from-mix-config.
+#
+
+# Turn on the debug prints
+#-v
+
+# Specify where erlinit should send the IEx prompt. Only one may be enabled at
+# a time.
+#-c ttyS0     # UART pins on the GPIO connector
+-c tty1      # HDMI output
+
+# If more than one tty are available, always warn if the user is looking at the
+# wrong one.
+--warn-unused-tty
+
+# Use nbtty to improve terminal handling on serial ports.
+# Comment out or delete for HDMI (tty1)
+-s "/usr/bin/nbtty"
+
+# There's a call to getrandom(2) when loading the crypto NIF that's before
+# nerves_runtime can start rngd. This syscall can block the BEAM indefinitely
+# if there's not enough entropy in the kernel. We have not observed blocking on
+# this platform. However, we don't know that getrandom(2) will always have
+# enough entropy, so start rngd here to be safe.
+--pre-run-exec /usr/sbin/rngd
+
+# Specify the user and group IDs for the Erlang VM
+#--uid 100
+#--gid 200
+
+# Uncomment to ensure that the system clock is set to at least the Nerves
+# System's build date/time. If you enable this, you'll still need to use NTP or
+# another mechanism to set the clock, but it won't be decades off.
+#--update-clock
+
+# Uncomment to hang the board rather than rebooting when Erlang exits
+# NOTE: Do not enable on production boards
+#--hang-on-exit
+
+# Change the graceful shutdown time. If 10 seconds isn't long enough between
+# calling "poweroff", "reboot", or "halt" and :init.stop/0 stopping all OTP
+# applications, enable this option with a new timeout in milliseconds.
+#--graceful-shutdown-timeout 15000
+
+# Optionally run a program if the Erlang VM exits
+#--run-on-exit /bin/sh
+
+# Enable UTF-8 filename handling in Erlang and custom inet configuration
+-e LANG=en_US.UTF-8;LANGUAGE=en;ERL_INETRC=/etc/erl_inetrc
+
+# Enable crash dumps (set ERL_CRASH_DUMP_SECONDS=0 to disable)
+-e ERL_CRASH_DUMP=/root/erl_crash.dump;ERL_CRASH_DUMP_SECONDS=5
+
+# Mount the application partition (run "man fstab" for field names)
+# NOTE: This must match the location in the fwup.conf. If it doesn't the system
+#       will probably still work fine, but you won't get shell history since
+#       shoehorn/nerves_runtime can't mount the application filesystem before
+#       the history is loaded. If this mount fails due to corruption, etc.,
+#       nerves_runtime will auto-format it. Your applications will need to handle
+#       initializing any expected files and folders.
+-m /dev/mmcblk0p1:/boot:vfat:ro,nodev,noexec,nosuid:
+-m /dev/mmcblk0p3:/root:f2fs:nodev:
+-m pstore:/sys/fs/pstore:pstore:nodev,noexec,nosuid:
+-m tmpfs:/sys/fs/cgroup:tmpfs:nodev,noexec,nosuid:mode=755,size=1024k
+-m cpu:/sys/fs/cgroup/cpu:cgroup:nodev,noexec,nosuid:cpu
+
+# Erlang release search path
+-r /srv/erlang
+
+# Assign a hostname of the form "nerves-<serial_number>".
+# See /etc/boardid.config for locating the serial number.
+-d /usr/bin/boardid
+-n bivouac-%s
+
+# If using shoehorn (https://github.com/nerves-project/shoehorn), start the
+# shoehorn OTP release up first. If shoehorn isn't around, erlinit fails back
+# to the main OTP release.
+--boot shoehorn

test/bivouac_system_rpi4_test.exs

@@ -0,0 +1,8 @@
+defmodule BivouacSystemRpi4Test do
+  use ExUnit.Case
+  doctest BivouacSystemRpi4
+
+  test "greets the world" do
+    assert BivouacSystemRpi4.hello() == :world
+  end
+end

test/test_helper.exs

@@ -0,0 +1 @@
+ExUnit.start()