post_install() {
  _GITLINT_COMPLETE=bash_source gitlint > gitlint.bash
  _GITLINT_COMPLETE=fish_source gitlint > gitlint.fish
  _GITLINT_COMPLETE=zsh_source gitlint > gitlint.zsh

  install -Dm644 gitlint.bash "/usr/share/bash-completion/completions/gitlint"
  install -Dm644 gitlint.fish "/usr/share/fish/vendor_completions.d/gitlint.fish"
  install -Dm644 gitlint.zsh "/usr/share/zsh/site-functions/_gitlint"
}

post_upgrade() {
  _GITLINT_COMPLETE=bash_source gitlint > gitlint.bash
  _GITLINT_COMPLETE=fish_source gitlint > gitlint.fish
  _GITLINT_COMPLETE=zsh_source gitlint > gitlint.zsh

  install -Dm644 gitlint.bash "/usr/share/bash-completion/completions/gitlint"
  install -Dm644 gitlint.fish "/usr/share/fish/vendor_completions.d/gitlint.fish"
  install -Dm644 gitlint.zsh "/usr/share/zsh/site-functions/_gitlint"
}

post_remove() {
  rm "/usr/share/bash-completion/completions/gitlint"
  rm "/usr/share/fish/vendor_completions.d/gitlint.fish"
  rm "/usr/share/zsh/site-functions/_gitlint"
}