.check.exs

@@ -0,0 +1,33 @@
+[
+  ## don't run tools concurrently
+  # parallel: false,
+
+  ## don't print info about skipped tools
+  skipped: false,
+
+  ## always run tools in fix mode (put it in ~/.check.exs locally, not in project config)
+  # fix: true,
+
+  ## don't retry automatically even if last run resulted in failures
+  # retry: false,
+
+  ## list of tools (see `mix check` docs for a list of default curated tools)
+  tools: [
+    ## curated tools may be disabled (e.g. the check for compilation warnings)
+    # {:compiler, false},
+
+    ## ...or have command & args adjusted (e.g. enable skip comments for sobelow)
+    {:sobelow, false},
+
+    ## ...or reordered (e.g. to see output from dialyzer before others)
+    # {:dialyzer, order: -1},
+
+    ## ...or reconfigured (e.g. disable parallel execution of ex_unit in umbrella)
+    # {:ex_unit, umbrella: [parallel: false]},
+
+    ## custom new tools may be added (Mix tasks or arbitrary commands)
+    # {:my_task, "mix my_task", env: %{"MIX_ENV" => "prod"}},
+    # {:my_tool, ["my_tool", "arg with spaces"]}
+    # {:esbuild, "mix esbuild prod"}
+  ]
+]

.drone.yml

@@ -0,0 +1,503 @@
+kind: pipeline
+type: docker
+name: build
+
+steps:
+- 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
+  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: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+    - .rebar3
+
+- name: install dependencies
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    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
+  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 deps.get
+  - mix deps.compile
+
+- name: store 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
+  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
+  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
+  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: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+    - .rebar3
+
+---
+
+kind: pipeline
+type: docker
+name: test
+
+depends_on:
+  - build
+
+steps:
+- 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
+  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: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+    - .rebar3
+
+- name: mix compile
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  commands:
+  - asdf mix compile --warnings-as-errors
+
+- name: mix test
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix test
+
+- name: mix credo
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix credo --strict
+
+- name: mix hex.audit
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix hex.audit
+
+- name: mix format
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix format --check-formatted
+
+- name: mix deps.unlock
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix deps.unlock --check-unused
+
+- name: mix doctor
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - asdf mix doctor --full
+
+- name: mix git_ops.check_message
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  environment:
+    MIX_ENV: test
+    HEX_HOME: /drone/src/.hex
+    MIX_HOME: /drone/src/.mix
+    REBAR_BASE_DIR: /drone/src/.rebar3
+    ASDF_DATA_DIR: /drone/src/.asdf
+  depends_on:
+  - mix compile
+  commands:
+  - git log -1 --format=%s > .last_commit_message
+  - asdf mix git_ops.check_message .last_commit_message
+
+---
+kind: pipeline
+type: docker
+name: git ops
+
+trigger:
+  branch:
+  - main
+  event:
+  - push
+
+depends_on:
+  - test
+
+steps:
+- 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
+  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: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+    - .rebar3
+
+- name: mix git_ops.release
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  environment:
+    MIX_ENV: test
+    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
+    DRONE_TOKEN:
+      from_secret: DRONE_TOKEN
+  commands:
+    - git fetch --tags
+    - . $ASDF_DIR/asdf.sh
+    - mix git_ops.project_info --format=shell > before.env
+    - mix git_ops.release --yes --no-major || true
+    - mix git_ops.project_info --format=shell > after.env
+    - . ./before.env
+    - export OLD_APP_VERSION=$${APP_VERSION}
+    - . ./after.env
+    - export NEW_APP_VERSION=$${APP_VERSION}
+    - if [ "v$${OLD_APP_VERSION}" != "v$${NEW_APP_VERSION}" ]; then
+    -   export GIT_URL=$(echo $DRONE_GIT_HTTP_URL | sed -e "s/:\\/\\//:\\/\\/$DRONE_REPO_OWNER:$DRONE_TOKEN@/")
+    -   git push $${GIT_URL} "HEAD:${DRONE_COMMIT_REF}" "refs/tags/v$${NEW_APP_VERSION}"
+    - fi
+
+---
+
+kind: pipeline
+type: docker
+name: release
+
+trigger:
+  ref:
+    include:
+    - refs/tags/v**
+
+depends_on:
+  - test
+
+steps:
+- 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
+  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: 'elixir-{{ checksum "mix.lock" }}-{{ checksum ".tool-versions" }}'
+    mount:
+    - deps
+    - _build
+    - .hex
+    - .mix
+    - .rebar3
+
+- name: build artifacts
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  environment:
+    MIX_ENV: test
+    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
+  commands:
+    - . $ASDF_DIR/asdf.sh
+    - mix git_ops.project_info --format=shell > app.env
+    - . ./app.env
+    - mkdir artifacts
+    - mix hex.build -o "artifacts/$${APP_NAME}-$${APP_VERSION}-pkg.tar"
+    - gzip "artifacts/$${APP_NAME}-$${APP_VERSION}-pkg.tar"
+    - mix docs
+    - tar zcvf "artifacts/$${APP_NAME}-$${APP_VERSION}-docs.tar.gz" doc/
+    - git tag -l --format='%(contents:subject)' v$${APP_VERSION} > tag_subject
+    - git tag -l --format='%(contents:body)' v$${APP_VERSION} > tag_body
+
+- name: gitea release
+  image: plugins/gitea-release
+  depends_on:
+  - build artifacts
+  settings:
+    api_key:
+      from_secret: DRONE_TOKEN
+    base_url: https://code.harton.nz
+    files: artifacts/*.tar.gz
+    checksum: sha256
+    title: tag_subject
+    note: tag_body
+
+- name: hex release
+  image: code.harton.nz/james/asdf_container:latest
+  pull: "always"
+  depends_on:
+  - restore ASDF cache
+  - restore build cache
+  environment:
+    MIX_ENV: test
+    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
+    HEX_API_KEY:
+      from_secret: HEX_API_KEY
+  commands:
+    - . $ASDF_DIR/asdf.sh
+    - mix hex.publish --yes

.gitlab-ci.yml

@@ -1,139 +0,0 @@
-stages:
-  - build
-  - test
-  - release
-
-variables:
-  MIX_ENV: "test"
-  PACKAGE_REGISTRY_URL: "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/"
-  HEX_HOME: "$CI_PROJECT_DIR/.hex"
-  MIX_HOME: "$CI_PROJECT_DIR/.mix"
-
-build:
-  image: elixir:latest
-  stage: build
-  cache:
-    key: "$CI_JOB_NAME"
-    paths:
-      - deps
-      - _build
-      - .hex
-      - .mix
-  script:
-    - mix local.hex --force
-    - mix local.rebar --force
-    - mix deps.get
-    - mix deps.compile
-    - mix git_ops.project_info -f dotenv > project_info.env
-  artifacts:
-    paths:
-      - _build/
-      - deps/
-      - .hex
-      - .mix
-    reports:
-      dotenv: project_info.env
-
-test:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix test
-
-credo:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix credo
-
-audit:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix hex.audit
-
-format:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: test
-  script:
-    - mix format --check-formatted
-
-pages:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: release
-  script:
-    - mix docs -o public
-  artifacts:
-    paths:
-      - public
-  only:
-    - main
-
-git_ops:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: release
-  only:
-    refs:
-      - main
-  except:
-    variables:
-      - $CI_COMMIT_MESSAGE =~ /chore\:\ release version/
-  script:
-    - |
-      export OLD_APP_VERSION=$APP_VERSION
-      mkdir -p artifacts
-      git config --global user.name "Gitlab Runner for ${GITLAB_USER_NAME}"
-      git config --global user.email "${GITLAB_USER_EMAIL}"
-      mix git_ops.release --yes || true
-      mix git_ops.project_info -f shell > artifacts/env
-      source artifacts/env
-      if [ "v${OLD_APP_VERSION}" != "v${APP_VERSION}" ]; then
-        mix hex.build -o "artifacts/${APP_NAME}-${APP_VERSION}.tar"
-        gzip "artifacts/${APP_NAME}-${APP_VERSION}.tar"
-        mix docs && tar zcvf "artifacts/${APP_NAME}-${APP_VERSION}-docs.tar.gz" doc/
-        curl --header "JOB_TOKEN: ${CI_JOB_TOKEN}" --upload-file "artifacts/${APP_NAME}-${APP_VERSION}.tar.gz" "${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}.tar.gz"
-        curl --header "JOB_TOKEN: ${CI_JOB_TOKEN}" --upload-file "artifacts/${APP_NAME}-${APP_VERSION}-docs.tar.gz" "${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}-docs.tar.gz"
-        git push "https://project_${CI_PROJECT_ID}_bot:${RELEASE_TOKEN}@gitlab.com/${CI_PROJECT_PATH}.git" "HEAD:${CI_COMMIT_REF_NAME}" "refs/tags/v${APP_VERSION}"
-      fi
-  artifacts:
-    paths:
-      - artifacts/*
-
-release-gitlab:
-  image: registry.gitlab.com/gitlab-org/release-cli:latest
-  dependencies:
-    - build
-  stage: release
-  only:
-    - tags
-    - /^v\d+\.\d+\.\d+(-\w+)?$/
-  script:
-    - release-cli create \
-      --name "Release ${APP_NAME} ${APP_VERSION}" \
-      --description "./CHANGELOG.md" \
-      --tag-name "v${APP_VERSION}" \
-      --assets-link "{\"name\":\"${APP_NAME}-${APP_VERSION}.tar.gz\",\"url\":\"${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}.tar.gz\"}" \
-      --assets-link "{\"name\":\"${APP_NAME}-${APP_VERSION}-docs.tar.gz\",\"url\":\"${PACKAGE_REGISTRY_URL}/${APP_NAME}/${APP_VERSION}/${APP_NAME}-${APP_VERSION}-docs.tar.gz\"}"
-
-release-hex:
-  image: elixir:latest
-  dependencies:
-    - build
-  stage: release
-  only:
-    - tags
-    - /^v\d+\.\d+\.\d+(-\w+)?$/
-  script:
-    - mix hex.publish --yes

.tool-versions

@@ -0,0 +1,2 @@
+erlang 26.0.2
+elixir 1.15.4

README.md

@@ -1,5 +1,7 @@
 # Vivid.PNG
 
+[![Build Status](https://drone.harton.nz/api/badges/james/vivid_png/status.svg?ref=refs/heads/main)](https://drone.harton.nz/james/vivid_png)
+
 Vivid.PNG adds PNG generating support to [Vivid](https://hex.pm/packages/vivid),
 a 2D rendering library implemented 100% in Elixir with no dependencies.
 
@@ -44,4 +46,4 @@ frame
 |> PNG.to_png("example.png")
 ```
 
-![example.png](https://raw.githubusercontent.com/jamesotron/vivid_png.ex/main/example.png)
+![example.png](https://code.harton.nz/james/vivid_png/raw/branch/main/example.png)

config/config.exs

@@ -3,7 +3,7 @@ import Config
 config :git_ops,
   mix_project: Mix.Project.get!(),
   changelog_file: "CHANGELOG.md",
-  repository_url: "https://gitlab.com/jimsy/vivid_png.ex",
+  repository_url: "https://code.harton.nz/james/vivid_png",
   manage_mix_version?: true,
   manage_readme_version: "README.md",
   version_tag_prefix: "v"

lib/vivid/png/buffer.ex

@@ -32,7 +32,7 @@ defimpl Vivid.PNG, for: Vivid.Buffer do
 
     buffer
     |> Stream.map(&colour_to_binary(&1))
-    |> Stream.chunk(width)
+    |> Stream.chunk_every(width)
     |> Stream.map(&Enum.join(&1))
     |> Enum.reverse()
     |> Enum.reduce(png, &:png.append(&2, {:row, &1}))

mix.exs

@@ -1,4 +1,5 @@
 defmodule Vivid.PNG.Mixfile do
+  @moduledoc false
   use Mix.Project
 
   @version "0.2.0"
@@ -31,16 +32,22 @@ defmodule Vivid.PNG.Mixfile do
       maintainers: ["James Harton <james@harton.nz>"],
       licenses: ["MIT"],
       links: %{
-        "Source" => "https://gitlab.com/jimsy/vivid_png.ex"
+        "Source" => "https://code.harton.nz/james/vivid_png"
       }
     ]
   end
 
   defp deps do
+    devtestopts = [only: ~w[dev test]a, runtime: false]
+
     [
-      {:ex_doc, ">= 0.28.1", only: ~w[dev test]a},
-      {:credo, "~> 1.6", only: ~w[dev test]a, runtime: false},
-      {:git_ops, "~> 2.4", only: ~w[dev test]a, runtime: false},
+      {:credo, "~> 1.6", devtestopts},
+      {:dialyxir, "~> 1.3", devtestopts},
+      {:doctor, "~> 0.21.0", devtestopts},
+      {:ex_check, "~> 0.15.0", devtestopts},
+      {:ex_doc, ">= 0.28.1", devtestopts},
+      {:git_ops, "~> 2.4", devtestopts},
+      {:mix_audit, "~> 2.1", devtestopts},
       {:png, "~> 0.2"},
       {:vivid, "~> 0.4"}
     ]

mix.lock

@@ -1,17 +1,24 @@
 %{
-  "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], [], "hexpm", "7af5c7e09fe1d40f76c8e4f9dd2be7cebd83909f31fee7cd0e9eadc567da8353"},
-  "credo": {:hex, :credo, "1.6.1", "7dc76dcdb764a4316c1596804c48eada9fff44bd4b733a91ccbf0c0f368be61e", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2.8", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "698607fb5993720c7e93d2d8e76f2175bba024de964e160e2f7151ef3ab82ac5"},
-  "earmark": {:hex, :earmark, "1.3.2", "b840562ea3d67795ffbb5bd88940b1bed0ed9fa32834915125ea7d02e35888a5", [:mix], [], "hexpm", "e3be2bc3ae67781db529b80aa7e7c49904a988596e2dbff897425b48b3581161"},
-  "earmark_parser": {:hex, :earmark_parser, "1.4.19", "de0d033d5ff9fc396a24eadc2fcf2afa3d120841eb3f1004d138cbf9273210e8", [:mix], [], "hexpm", "527ab6630b5c75c3a3960b75844c314ec305c76d9899bb30f71cb85952a9dc45"},
-  "ex_doc": {:hex, :ex_doc, "0.28.1", "34fab7e7201c5a1f275f3b2f837125c940c512e8543d181bd4dd7acb19c8dba0", [:mix], [{:earmark_parser, "~> 1.4.19", [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", "10e564dd59101a5edc4de7009a54baed015a246dee01f7200aab24e8f57fc044"},
+  "bunt": {:hex, :bunt, "0.2.1", "e2d4792f7bc0ced7583ab54922808919518d0e57ee162901a16a1b6664ef3b14", [:mix], [], "hexpm", "a330bfb4245239787b15005e66ae6845c9cd524a288f0d141c148b02603777a5"},
+  "credo": {:hex, :credo, "1.7.0", "6119bee47272e85995598ee04f2ebbed3e947678dee048d10b5feca139435f75", [:mix], [{:bunt, "~> 0.2.1", [hex: :bunt, repo: "hexpm", optional: false]}, {:file_system, "~> 0.2.8", [hex: :file_system, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "6839fcf63d1f0d1c0f450abc8564a57c43d644077ab96f2934563e68b8a769d7"},
+  "decimal": {:hex, :decimal, "2.1.1", "5611dca5d4b2c3dd497dec8f68751f1f1a54755e8ed2a966c2633cf885973ad6", [:mix], [], "hexpm", "53cfe5f497ed0e7771ae1a475575603d77425099ba5faef9394932b35020ffcc"},
+  "dialyxir": {:hex, :dialyxir, "1.3.0", "fd1672f0922b7648ff9ce7b1b26fcf0ef56dda964a459892ad15f6b4410b5284", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "00b2a4bcd6aa8db9dcb0b38c1225b7277dca9bc370b6438715667071a304696f"},
+  "doctor": {:hex, :doctor, "0.21.0", "20ef89355c67778e206225fe74913e96141c4d001cb04efdeba1a2a9704f1ab5", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm", "a227831daa79784eb24cdeedfa403c46a4cb7d0eab0e31232ec654314447e4e0"},
+  "earmark_parser": {:hex, :earmark_parser, "1.4.33", "3c3fd9673bb5dcc9edc28dd90f50c87ce506d1f71b70e3de69aa8154bc695d44", [:mix], [], "hexpm", "2d526833729b59b9fdb85785078697c72ac5e5066350663e5be6a1182da61b8f"},
+  "erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
+  "ex_check": {:hex, :ex_check, "0.15.0", "074b94c02de11c37bba1ca82ae5cc4926e6ccee862e57a485b6ba60fca2d8dc1", [:mix], [], "hexpm", "33848031a0c7e4209c3b4369ce154019788b5219956220c35ca5474299fb6a0e"},
+  "ex_doc": {:hex, :ex_doc, "0.30.3", "bfca4d340e3b95f2eb26e72e4890da83e2b3a5c5b0e52607333bf5017284b063", [: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", "fbc8702046c1d25edf79de376297e608ac78cdc3a29f075484773ad1718918b6"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "git_cli": {:hex, :git_cli, "0.3.0", "a5422f9b95c99483385b976f5d43f7e8233283a47cda13533d7c16131cb14df5", [:mix], [], "hexpm", "78cb952f4c86a41f4d3511f1d3ecb28edb268e3a7df278de2faa1bd4672eaf9b"},
-  "git_ops": {:hex, :git_ops, "2.4.5", "185a724dfde3745edd22f7571d59c47a835cf54ded67e9ccbc951920b7eec4c2", [:mix], [{:git_cli, "~> 0.2", [hex: :git_cli, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "e323a5b01ad53bc8c19c3a444be3e61ed7803ecd2e95530446ae9327d0143ecc"},
-  "jason": {:hex, :jason, "1.2.2", "ba43e3f2709fd1aa1dce90aaabfd039d000469c05c56f0b8e31978e03fa39052", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "18a228f5f0058ee183f29f9eae0805c6e59d61c3b006760668d8d18ff0d12179"},
-  "makeup": {:hex, :makeup, "1.1.0", "6b67c8bc2882a6b6a445859952a602afc1a41c2e08379ca057c0f525366fc3ca", [], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "0a45ed501f4a8897f580eabf99a2e5234ea3e75a4373c8a52824f6e873be57a6"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.15.2", "dc72dfe17eb240552857465cc00cce390960d9a0c055c4ccd38b70629227e97c", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.1", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "fd23ae48d09b32eff49d4ced2b43c9f086d402ee4fd4fcb2d7fad97fa8823e75"},
-  "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
-  "nimble_parsec": {:hex, :nimble_parsec, "1.2.2", "b99ca56bbce410e9d5ee4f9155a212e942e224e259c7ebbf8f2c86ac21d4fa3c", [:mix], [], "hexpm", "98d51bd64d5f6a2a9c6bb7586ee8129e27dfaab1140b5a4753f24dac0ba27d2f"},
+  "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"},
+  "mix_audit": {:hex, :mix_audit, "2.1.1", "653aa6d8f291fc4b017aa82bdb79a4017903902ebba57960ef199cbbc8c008a1", [:make, :mix], [{:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:yaml_elixir, "~> 2.9", [hex: :yaml_elixir, repo: "hexpm", optional: false]}], "hexpm", "541990c3ab3a7bb8c4aaa2ce2732a4ae160ad6237e5dcd5ad1564f4f85354db1"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.3.1", "2c54013ecf170e249e9291ed0a62e5832f70a476c61da16f6aac6dca0189f2af", [:mix], [], "hexpm", "2682e3c0b2eb58d90c6375fc0cc30bc7be06f365bf72608804fb9cffa5e1b167"},
   "png": {:hex, :png, "0.2.1", "b25c17c8dcdc40096d46ae2d7c2777c63fede48fa8c8312cc708c88554049d3b", [:rebar3], [], "hexpm", "279345e07108c604871a21f1c91f716810ab559af2b20d6f302e0a98265ef72e"},
-  "vivid": {:hex, :vivid, "0.4.3", "ea0abddb41a1ac778392c05f11c70118a5d36d71f0dee9e4b10bcb757a54f1c2", [:mix], [], "hexpm", "60195f5bb21d22acd2691cf01d4cc6809815b9c0cd369740d48ec9af8ddcfdf3"},
+  "vivid": {:hex, :vivid, "0.4.4", "5e94dade1791c8f57b59210b729737553fbf81c15fa9a7b820a7a86e01b19297", [:mix], [], "hexpm", "8245b253564cbf8e90acec4b702a3659938661793628b535f58419cba854c1ed"},
+  "yamerl": {:hex, :yamerl, "0.10.0", "4ff81fee2f1f6a46f1700c0d880b24d193ddb74bd14ef42cb0bcf46e81ef2f8e", [:rebar3], [], "hexpm", "346adb2963f1051dc837a2364e4acf6eb7d80097c0f53cbdc3046ec8ec4b4e6e"},
+  "yaml_elixir": {:hex, :yaml_elixir, "2.9.0", "9a256da867b37b8d2c1ffd5d9de373a4fda77a32a45b452f1708508ba7bbcb53", [:mix], [{:yamerl, "~> 0.10", [hex: :yamerl, repo: "hexpm", optional: false]}], "hexpm", "0cb0e7d4c56f5e99a6253ed1a670ed0e39c13fc45a6da054033928607ac08dfc"},
 }