Auto-complete for hcl.

gistfile1.sh

_hcl () {
    local cur prev opts cmds tasks
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="--help --version"
    cmds="show tasks aliases set unset start stop resume note"

    if [[ ${cur} == -* ]] ; then
        COMPREPLY=($(compgen -W "${opts}" -- ${cur}))
        return 0
    elif [[ ${prev} == hcl ]] ; then
        COMPREPLY=($(compgen -W "${cmds}" -- ${cur}))
        return 0
    elif [[ ${prev} == start ]] ; then
        tasks=$(cat ~/.hcl_settings | grep ^task. | cut -d. -f2 | cut -d: -f1 | tr '\n' ' ')
        COMPREPLY=($(compgen -W "${tasks}" -- ${cur}))
        return 0
    fi
}
complete -F _hcl hcl