odev bash completion script

complete_odev.sh

# odev tab completion script
# Version: 0.2
# Install: Add a call to this script in ~/.bash_completion or copy the script into /etc/bash_completion.d/
#          'source' the file to use the features in the current session.
#          Call function 'odev_cache' to rebuild the cached list of databases.

# clear global cache
_odev_complete_list=""

odev_cache ()
{
  _odev_complete_list="$( odev list | awk -v OFS=' ' 'NR > 3 { print $2 }' )"
}

_odev ()   #  By convention, the function name
{                   #+ starts with an underscore.
  local cur prev words cword split opts
  # initialise
  _init_completion -s || return

  case $COMP_CWORD in
    1)
    opts="clean cloc clone code create deploy dump export get help init kill list pull quickstart rebuild remove rename restore run scaffold set sh test upgrade upgrade-build upgrade-manual upgrade-merge upgrade-wait upload version"
    ;;
    2)
    if [ -z "$_odev_complete_list" ]; then
      odev_cache
    fi
    opts=${_odev_complete_list}
    ;;
    *)
    _filedir
    return
  esac

  COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )

  return
} &&
    complete -F _odev -o filenames odev