bash_autocomplete

#!/bin/bash

# This is a shell completion script auto-generated by https://github.com/urfave/cli for bash.

# Macs have bash3 for which the bash-completion package doesn't include
# _init_completion. This is a minimal version of that function.
__%[1]s_init_completion() {
  COMPREPLY=()
  _get_comp_words_by_ref "$@" cur prev words cword
}

__%[1]s_bash_autocomplete() {
  if [[ "${COMP_WORDS[0]}" != "source" ]]; then
    local cur opts base words
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    if declare -F _init_completion >/dev/null 2>&1; then
      _init_completion -n "=:" || return
    else
      __%[1]s_init_completion -n "=:" || return
    fi
    words=("${words[@]:0:$cword}")
    if [[ "$cur" == "-"* ]]; then
      requestComp="${words[*]} ${cur} --generate-shell-completion"
    else
      requestComp="${words[*]} --generate-shell-completion"
    fi
    opts=$(eval "${requestComp}" 2>/dev/null)

    # Separate completions and descriptions
    local completions=()
    local descriptions=()
    local longest=0
    while IFS=$'\n' read -r line; do
      local comp_part desc_part
      if [[ "$line" == *:* ]]; then
        comp_part="${line%%:*}"
        desc_part="${line#*:}"
      else
        comp_part="$line"
        desc_part=""
      fi
      completions+=("$comp_part")
      descriptions+=("$desc_part")
      (( ${#comp_part} > longest )) && longest=${#comp_part}
    done <<< "$opts"

    # Format completions with aligned descriptions
    for i in "${!completions[@]}"; do
      local padded_completion="${completions[i]}"
      local pad_len=$((longest - ${#padded_completion}))
      if (( pad_len > 0 )); then
        padded_completion="${padded_completion}$(head -c $pad_len < /dev/zero | tr '\0' ' ')"
      fi
      
      if [[ -n "${descriptions[i]}" ]]; then
        COMPREPLY+=("${padded_completion}  -- ${descriptions[i]}")
      else
        COMPREPLY+=("${padded_completion}")
      fi
    done

    return 0
  fi
}

complete -o bashdefault -o default -o nospace -F __%[1]s_bash_autocomplete %[1]s