#!/usr/bin/env bash
# Usage: basher completions <command>
# Summary: List completions for a command.
#
# In order to support completions, a command must have a comment
# with the 'completions' TAG and provide a '--completions' argument.

set -e

COMMAND="$1"
if [ -z "$COMMAND" ]; then
  basher-help completions
  exit 1
fi

COMMAND_PATH="$(command -v "basher-$COMMAND")"
if grep -E "^([#%]|--|//) TAG completions" "$COMMAND_PATH" >/dev/null; then
  exec "$COMMAND_PATH" --complete
fi