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✏️ Editing: createdb

# bash completion for Postgresql                           -*- shell-script -*-

_pg_databases()
{
    # -w was introduced in 8.4, https://launchpad.net/bugs/164772
    # "Access privileges" in output may contain linefeeds, hence the NF > 1
    COMPREPLY=( $( compgen -W "$( psql -XAtqwlF $'\t' 2>/dev/null | \
        awk 'NF > 1 { print $1 }' )" -- "$cur" ) )
}

_pg_users()
{
    # -w was introduced in 8.4, https://launchpad.net/bugs/164772
    COMPREPLY=( $( compgen -W "$( psql -XAtqwc 'select usename from pg_user' \
        template1 2>/dev/null )" -- "$cur" ) )
    [[ ${#COMPREPLY[@]} -eq 0 ]] && COMPREPLY=( $( compgen -u -- "$cur" ) )
}

# createdb(1) completion
#
_createdb()
{
    local cur prev words cword split
    _init_completion -s || return

$split && return

if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
    else
        _pg_databases
    fi
} &&
complete -F _createdb createdb

# createuser(1) completion
#
_createuser()
{
    local cur prev words cword split
    _init_completion -s || return

$split && return

if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
    fi
} &&
complete -F _createuser createuser

# dropdb(1) completion
#
_dropdb()
{
    local cur prev words cword split
    _init_completion -s || return

case $prev in
        -h|--host)
            _known_hosts_real "$cur"
            return
            ;;
        -U|--username)
            _pg_users
            return
            ;;
        --help|--version)
            # all other arguments are noop with these
            return
            ;;
    esac

$split && return

if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
    else
        _pg_databases
    fi
} &&
complete -F _dropdb dropdb

# dropuser(1) completion
#
_dropuser()
{
    local cur prev words cword split
    _init_completion -s || return

case $prev in
        --help|--version|-p|--port)
            return
            ;;
        -h|--host)
            _known_hosts_real "$cur"
            return
            ;;
        -U|--username)
            _pg_users
            return
            ;;
    esac

$split && return

if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
    else
        _pg_users
    fi
} &&
complete -F _dropuser dropuser

# psql(1) completion
#
_psql()
{
    local cur prev words cword split
    _init_completion -s || return

$split && return

if [[ "$cur" == -* ]]; then
        # return list of available options
        COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
    else
        # return list of available databases
        _pg_databases
    fi
} &&
complete -F _psql psql

# ex: filetype=sh

MR SKB