dotfiles/.config/shell/zshrc.d/9-deduplicate-path-variable.zsh

#!/bin/zsh
# shellcheck disable=SC2206
# shellcheck disable=SC2179
# shellcheck disable=SC2154

# In case a plugin adds a redundant path entry, remove duplicate entries
# from PATH
#
# This snippet is from Mislav Marohnić <mislav.marohnic@gmail.com>'s
# dotfiles repo at https://github.com/mislav/dotfiles
dedupe_path() {
  typeset -a paths result
  paths=($path)

  while [[ ${#paths} -gt 0 ]]; do
    p="${paths[1]}"
    shift paths
    [[ -z ${paths[(r)$p]} ]] && result+="$p"
  done

  export PATH=${(j+:+)result}
}

dedupe_path