# bash completion for Postgresql

have psql && {
_pg_databases()
{
	return # See https://launchpad.net/bugs/164772
	COMPREPLY=( $( compgen -W "$( psql -l 2>/dev/null | \
			sed -e '1,/^-/d' -e '/^(/,$d' | \
			awk '{print $1}' )" -- "$cur" ) )
}

_pg_users()
{
	# See https://launchpad.net/bugs/164772
	#COMPREPLY=( $( psql -qtc 'select usename from pg_user' template1 2>/dev/null | \
	#		grep "^ $cur" ) )
	#[ ${#COMPREPLY[@]} -eq 0 ] && COMPREPLY=( $( compgen -u -- $cur ) )
	COMPREPLY=( $( compgen -u -- "$cur" ) )
}

# createdb(1) completion
#
_createdb()
{
	local cur prev split=false

	COMPREPLY=()
	cur=`_get_cword`
	prev=${COMP_WORDS[COMP_CWORD-1]}

	_split_longopt && split=true

	case "$prev" in
		-h|--host)
			_known_hosts_real "$cur"
			return 0
			;;
		-U|--username|-O|--owner)
			_pg_users
			return 0
			;;
		-p|--port|-D|--tablespace|-E|--encoding|-T|--template)
			# argument required but no completions available
			return 0
			;;
		--help|--version)
			# all other arguments are noop with these
			return 0
			;;
	esac

	$split && return 0

	if [[ "$cur" == -* ]]; then
		COMPREPLY=( $( compgen -W '-D -T -E -h -p -U -W -e -q \
			--tablespace --template --encoding --host --port \
			--username --password --echo --quiet --help --version' \
			-- "$cur" ))
	else
		_pg_databases
	fi
}
complete -F _createdb $default createdb

# dropdb(1) completion
#
_dropdb()
{
	local cur prev split=false

	COMPREPLY=()
	cur=`_get_cword`
	prev=${COMP_WORDS[COMP_CWORD-1]}

	_split_longopt && split=true

	case "$prev" in
		-h|--host)
			_known_hosts_real "$cur"
			return 0
			;;
		-U|--username)
			_pg_users
			return 0
			;;
		--help|--version)
			# all other arguments are noop with these
			return 0
			;;
	esac

	$split && return 0

	if [[ "$cur" == -* ]]; then
		COMPREPLY=( $( compgen -W '-h -p -U -W -i -e -q \
			--host --port --username --password --interactive \
			--echo --quiet --help --version' -- "$cur" ) )
	else
		_pg_databases
	fi
}
complete -F _dropdb $default dropdb

# psql(1) completion
#
_psql()
{
	local cur prev split=false

	COMPREPLY=()
	cur=`_get_cword`
	prev=${COMP_WORDS[COMP_CWORD-1]}

	_split_longopt && split=true

	case "$prev" in
		-h|--host)
			_known_hosts_real "$cur"
			return 0
			;;
		-U|--username)
			_pg_users
			return 0
			;;
		-d|--dbname)
			_pg_databases
			return 0
			;;
		-o|--output|-f|--file|-L|--log-file)
			_filedir
			return 0
			;;
		-c|--command|-F|--field-separator|-p|--port|-P|--pset|\
		-R|--record-separator|-T|--table-attr|-v|--set|--variable)
			# argument required but no completions available
			return 0
			;;
		-\?|--help|-V|--version)
			# all other arguments are noop with these
			return 0
			;;
	esac

	$split && return 0

	if [[ "$cur" == -* ]]; then
		# return list of available options
		COMPREPLY=( $( compgen -W '-a --echo-all -A --no-align \
			-c --command -d --dbname -e --echo-queries \
			-E --echo-hidden -f --file -F --field-separator \
			-h --host -H --html -l --list -L --log-file -n \
			-o --output -p --port -P --pset -q --quiet \
			-R --record-separator -s --single-step \
			-S --single-line -t --tuples-only -T --table-attr \
			-U --username -v --set --variable -V --version \
			-W --password -x --expanded -X --no-psqlrc \
			-1 --single-transaction -? --help' -- "$cur" ) )
	else
		# return list of available databases
		_pg_databases
	fi
}
complete -F _psql $filenames psql
}

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