exa wrapper which applies my preferred defaults and fixes some occassional errors

exa.zsh

##
# exa CLI Configuration
##
if type "exa" > /dev/null; then
  ##
  # Takes an exa command and returns the command with a fallback command
  # appended in case of failures. The fallback command will be the original
  # command except with the `--git` option removed.
  ##
  function exa () {
    local options="${@}"
    local exa_options=( "${options}" )
    local exa_options_without_git=()


    # Create fallback options by removing all instances of `--git `.
    local search='--git '
    local replace=''
    options_without_git="${options//"${search}"/"${replace}"}"
    exa_options_without_git+=( "${options_without_git}" )

    command exa ${=exa_options} 2> /dev/null \
      || command exa ${=exa_options_without_git}
  }

  # Options
  default_options=(
    '--group-directories-first'
    '--icons'
    '--classify'
    # '--grid'
  )
  long_options=(
    '--long'
    '--header'
    '--group'
    '--accessed'
    '--modified'
    '--created'
    # '--extended'
    '--git'
  )
  tree_options=(
    '--tree'
    '--level 2'
  )

  # Default Command
  exa_command="exa ${default_options}"

  # List
  alias   ls="${exa_command} --grid"
  alias   la="${exa_command} --grid --all"
  alias  lsa='la'
  # List Long
  alias   ll="${exa_command} ${long_options}"
  alias  lla="${exa_command} ${long_options} --grid --all"
  # List Tree
  alias   lt="${exa_command} ${long_options} ${tree_options}"
  alias  lta="${exa_command} ${long_options} ${tree_options} --all"
  alias tree='lt'
fi