language: minimal
dist: bionic
addons:
  apt:
    packages:
    - python3-pip
    - python3-setuptools

install:
  - pip3 install --user codespell

script:
  - git grep $'\r' -- "*.asciidoc" "*.md" && echo "^ Possible Windows style line ending detected. Please use Unix style line endings (\n)." && exit 1 || true
  - git grep ' $' -- "*.asciidoc" "*.md" && echo "^ Trailing space detected at end of line. Please remove." && exit 1 || true
  - git grep $'\t' -- "*.asciidoc" "*.md" && echo "^ Use of tabs detected. Please use space for indentation." && exit 1 || true
  - git grep "[^ ]  [^ ]" -- "*.asciidoc" "*.md" && echo "^ Satoshi style double spacing detected. Sorry Satoshi, please use single spacing." && exit 1 || true
  - git grep -iE '(^| )(\w+) \2(\.|,|:|;| |$)' -- "*.asciidoc" "*.md" && echo "^ Detected lexical illusion in the form of a duplicated word. Please correct." && exit 1 || true
  - codespell --ignore-words-list=que $(git ls-files -- "*.asciidoc" "*.md")