cri-o/completions/bash/kpod

#! /bin/bash

: ${PROG:=$(basename ${BASH_SOURCE})}

__kpod_previous_extglob_setting=$(shopt -p extglob)
shopt -s extglob

__kpod_q() {
	kpod ${host:+-H "$host"} ${config:+--config "$config"} 2>/dev/null "$@"
}

# __kpod_containers returns a list of containers. Additional options to
# `kpod ps` may be specified in order to filter the list, e.g.
# `__kpod_containers --filter status=running`
# By default, only names are returned.
# Set KPOD_COMPLETION_SHOW_CONTAINER_IDS=yes to also complete IDs.
# An optional first option `--id|--name` may be used to limit the
# output to the IDs or names of matching items. This setting takes
# precedence over the environment setting.
__kpod_containers() {
	local format
	if [ "$1" = "--id" ] ; then
		format='{{.ID}}'
		shift
	elif [ "$1" = "--name" ] ; then
		format='{{.Names}}'
		shift
	elif [ "${KPOD_COMPLETION_SHOW_CONTAINER_IDS}" = yes ] ; then
		format='{{.ID}} {{.Names}}'
	else
		format='{{.Names}}'
	fi
	__kpod_q ps --format "$format" "$@"
}

# __kpod_complete_containers applies completion of containers based on the current
# value of `$cur` or the value of the optional first option `--cur`, if given.
# Additional filters may be appended, see `__kpod_containers`.
__kpod_complete_containers() {
	local current="$cur"
	if [ "$1" = "--cur" ] ; then
		current="$2"
		shift 2
	fi
	COMPREPLY=( $(compgen -W "$(__kpod_containers "$@")" -- "$current") )
}

__kpod_complete_containers_all() {
	__kpod_complete_containers "$@" --all
}

__kpod_complete_containers_running() {
	__kpod_complete_containers "$@" --filter status=running
}

__kpod_complete_containers_stopped() {
	__kpod_complete_containers "$@" --filter status=exited
}

__kpod_complete_containers_unpauseable() {
	__kpod_complete_containers "$@" --filter status=paused
}

__kpod_complete_container_names() {
	local containers=( $(__kpod_q ps -aq --no-trunc) )
	local names=( $(__kpod_q inspect --format '{{.Name}}' "${containers[@]}") )
	names=( "${names[@]#/}" ) # trim off the leading "/" from the container names
	COMPREPLY=( $(compgen -W "${names[*]}" -- "$cur") )
}

__kpod_complete_container_ids() {
	local containers=( $(__kpod_q ps -aq) )
	COMPREPLY=( $(compgen -W "${containers[*]}" -- "$cur") )
}

__kpod_images() {
	local images_args=""

	case "$KPOD_COMPLETION_SHOW_IMAGE_IDS" in
		all)
			images_args="--no-trunc -a"
			;;
		non-intermediate)
			images_args="--no-trunc"
			;;
	esac

	local repo_print_command
	if [ "${KPOD_COMPLETION_SHOW_TAGS:-yes}" = "yes" ]; then
		repo_print_command='print $1; print $1":"$2'
	else
		repo_print_command='print $1'
	fi

	local awk_script
	case "$KPOD_COMPLETION_SHOW_IMAGE_IDS" in
		all|non-intermediate)
			awk_script='NR>1 { print $3; if ($1 != "<none>") { '"$repo_print_command"' } }'
			;;
		none|*)
			awk_script='NR>1 && $1 != "<none>" { '"$repo_print_command"' }'
			;;
	esac

	__kpod_q images $images_args | awk "$awk_script" | grep -v '<none>$'
}

__kpod_complete_images() {
	COMPREPLY=( $(compgen -W "$(__kpod_images)" -- "$cur") )
	__ltrim_colon_completions "$cur"
}

__kpod_complete_image_repos() {
	local repos="$(__kpod_q images | awk 'NR>1 && $1 != "<none>" { print $1 }')"
	COMPREPLY=( $(compgen -W "$repos" -- "$cur") )
}

__kpod_complete_image_repos_and_tags() {
	local reposAndTags="$(__kpod_q images | awk 'NR>1 && $1 != "<none>" { print $1; print $1":"$2 }')"
	COMPREPLY=( $(compgen -W "$reposAndTags" -- "$cur") )
	__ltrim_colon_completions "$cur"
}

# __kpod_networks returns a list of all networks. Additional options to
# `kpod network ls` may be specified in order to filter the list, e.g.
# `__kpod_networks --filter type=custom`
# By default, only names are returned.
# Set KPOD_COMPLETION_SHOW_NETWORK_IDS=yes to also complete IDs.
# An optional first option `--id|--name` may be used to limit the
# output to the IDs or names of matching items. This setting takes
# precedence over the environment setting.
__kpod_networks() {
	local format
	if [ "$1" = "--id" ] ; then
		format='{{.ID}}'
		shift
	elif [ "$1" = "--name" ] ; then
		format='{{.Name}}'
		shift
	elif [ "${KPOD_COMPLETION_SHOW_NETWORK_IDS}" = yes ] ; then
		format='{{.ID}} {{.Name}}'
	else
		format='{{.Name}}'
	fi
	__kpod_q network ls --format "$format" "$@"
}

# __kpod_complete_networks applies completion of networks based on the current
# value of `$cur` or the value of the optional first option `--cur`, if given.
# Additional filters may be appended, see `__kpod_networks`.
__kpod_complete_networks() {
	local current="$cur"
	if [ "$1" = "--cur" ] ; then
		current="$2"
		shift 2
	fi
	COMPREPLY=( $(compgen -W "$(__kpod_networks "$@")" -- "$current") )
}

__kpod_complete_containers_in_network() {
	local containers=$(__kpod_q network inspect -f '{{range $i, $c := .Containers}}{{$i}} {{$c.Name}} {{end}}' "$1")
	COMPREPLY=( $(compgen -W "$containers" -- "$cur") )
}

__kpod_runtimes() {
	__kpod_q info | sed -n 's/^Runtimes: \(.*\)/\1/p'
}

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

# __kpod_services returns a list of all services. Additional options to
# `kpod service ls` may be specified in order to filter the list, e.g.
# `__kpod_services --filter name=xxx`
# By default, only node names are returned.
# Set KPOD_COMPLETION_SHOW_SERVICE_IDS=yes to also complete IDs.
# An optional first option `--id|--name` may be used to limit the
# output to the IDs or names of matching items. This setting takes
# precedence over the environment setting.
__kpod_services() {
	local fields='$2'  # default: service name only
	[ "${KPOD_COMPLETION_SHOW_SERVICE_IDS}" = yes ] && fields='$1,$2' # ID & name

	if [ "$1" = "--id" ] ; then
		fields='$1' # IDs only
		shift
	elif [ "$1" = "--name" ] ; then
		fields='$2' # names only
		shift
	fi
        __kpod_q service ls "$@" | awk "NR>1 {print $fields}"
}

# __kpod_complete_services applies completion of services based on the current
# value of `$cur` or the value of the optional first option `--cur`, if given.
# Additional filters may be appended, see `__kpod_services`.
__kpod_complete_services() {
	local current="$cur"
	if [ "$1" = "--cur" ] ; then
		current="$2"
		shift 2
	fi
	COMPREPLY=( $(compgen -W "$(__kpod_services "$@")" -- "$current") )
}

# __kpod_append_to_completions appends the word passed as an argument to every
# word in `$COMPREPLY`.
# Normally you do this with `compgen -S` while generating the completions.
# This function allows you to append a suffix later. It allows you to use
# the __kpod_complete_XXX functions in cases where you need a suffix.
__kpod_append_to_completions() {
	COMPREPLY=( ${COMPREPLY[@]/%/"$1"} )
}

# __kpod_is_experimental tests whether the currently configured Kpod daemon
# runs in experimental mode. If so, the function exits with 0 (true).
# Otherwise, or if the result cannot be determined, the exit value is 1 (false).
__kpod_is_experimental() {
	[ "$(__kpod_q version -f '{{.Server.Experimental}}')" = "true" ]
}

# __kpod_pos_first_nonflag finds the position of the first word that is neither
# option nor an option's argument. If there are options that require arguments,
# you should pass a glob describing those options, e.g. "--option1|-o|--option2"
# Use this function to restrict completions to exact positions after the argument list.
__kpod_pos_first_nonflag() {
	local argument_flags=$1

	local counter=$((${subcommand_pos:-${command_pos}} + 1))
	while [ $counter -le $cword ]; do
		if [ -n "$argument_flags" ] && eval "case '${words[$counter]}' in $argument_flags) true ;; *) false ;; esac"; then
			(( counter++ ))
			# eat "=" in case of --option=arg syntax
			[ "${words[$counter]}" = "=" ] && (( counter++ ))
		else
			case "${words[$counter]}" in
				-*)
					;;
				*)
					break
					;;
			esac
		fi

		# Bash splits words at "=", retaining "=" as a word, examples:
		# "--debug=false" => 3 words, "--log-opt syslog-facility=daemon" => 4 words
		while [ "${words[$counter + 1]}" = "=" ] ; do
			counter=$(( counter + 2))
		done

		(( counter++ ))
	done

	echo $counter
}

# __kpod_map_key_of_current_option returns `key` if we are currently completing the
# value of a map option (`key=value`) which matches the extglob given as an argument.
# This function is needed for key-specific completions.
__kpod_map_key_of_current_option() {
	local glob="$1"

	local key glob_pos
	if [ "$cur" = "=" ] ; then        # key= case
		key="$prev"
		glob_pos=$((cword - 2))
	elif [[ $cur == *=* ]] ; then     # key=value case (OSX)
		key=${cur%=*}
		glob_pos=$((cword - 1))
	elif [ "$prev" = "=" ] ; then
		key=${words[$cword - 2]}  # key=value case
		glob_pos=$((cword - 3))
	else
		return
	fi

	[ "${words[$glob_pos]}" = "=" ] && ((glob_pos--))  # --option=key=value syntax

	[[ ${words[$glob_pos]} == @($glob) ]] && echo "$key"
}

# __kpod_value_of_option returns the value of the first option matching `option_glob`.
# Valid values for `option_glob` are option names like `--log-level` and globs like
# `--log-level|-l`
# Only positions between the command and the current word are considered.
__kpod_value_of_option() {
	local option_extglob=$(__kpod_to_extglob "$1")

	local counter=$((command_pos + 1))
	while [ $counter -lt $cword ]; do
		case ${words[$counter]} in
			$option_extglob )
				echo ${words[$counter + 1]}
				break
				;;
		esac
		(( counter++ ))
	done
}

# __kpod_to_alternatives transforms a multiline list of strings into a single line
# string with the words separated by `|`.
# This is used to prepare arguments to __kpod_pos_first_nonflag().
__kpod_to_alternatives() {
	local parts=( $1 )
	local IFS='|'
	echo "${parts[*]}"
}

# __kpod_to_extglob transforms a multiline list of options into an extglob pattern
# suitable for use in case statements.
__kpod_to_extglob() {
	local extglob=$( __kpod_to_alternatives "$1" )
	echo "@($extglob)"
}

# __kpod_subcommands processes subcommands
# Locates the first occurrence of any of the subcommands contained in the
# first argument. In case of a match, calls the corresponding completion
# function and returns 0.
# If no match is found, 1 is returned. The calling function can then
# continue processing its completion.
#
# TODO if the preceding command has options that accept arguments and an
# argument is equal ot one of the subcommands, this is falsely detected as
# a match.
__kpod_subcommands() {
	local subcommands="$1"

	local counter=$(($command_pos + 1))
	while [ $counter -lt $cword ]; do
		case "${words[$counter]}" in
			$(__kpod_to_extglob "$subcommands") )
				subcommand_pos=$counter
				local subcommand=${words[$counter]}
				local completions_func=_kpod_${command}_${subcommand}
				declare -F $completions_func >/dev/null && $completions_func
				return 0
				;;
		esac
		(( counter++ ))
	done
	return 1
}

# __kpod_nospace suppresses trailing whitespace
__kpod_nospace() {
	# compopt is not available in ancient bash versions
	type compopt &>/dev/null && compopt -o nospace
}

__kpod_complete_resolved_hostname() {
	command -v host >/dev/null 2>&1 || return
	COMPREPLY=( $(host 2>/dev/null "${cur%:}" | awk '/has address/ {print $4}') )
}

__kpod_local_interfaces() {
	command -v ip >/dev/null 2>&1 || return
	ip addr show scope global 2>/dev/null | sed -n 's| \+inet \([0-9.]\+\).* \([^ ]\+\)|\1 \2|p'
}

__kpod_complete_local_interfaces() {
	local additional_interface
	if [ "$1" = "--add" ] ; then
		additional_interface="$2"
	fi

	COMPREPLY=( $( compgen -W "$(__kpod_local_interfaces) $additional_interface" -- "$cur" ) )
}

__kpod_complete_capabilities() {
	# The list of capabilities is defined in types.go, ALL was added manually.
	COMPREPLY=( $( compgen -W "
		ALL
		AUDIT_CONTROL
		AUDIT_WRITE
		AUDIT_READ
		BLOCK_SUSPEND
		CHOWN
		DAC_OVERRIDE
		DAC_READ_SEARCH
		FOWNER
		FSETID
		IPC_LOCK
		IPC_OWNER
		KILL
		LEASE
		LINUX_IMMUTABLE
		MAC_ADMIN
		MAC_OVERRIDE
		MKNOD
		NET_ADMIN
		NET_BIND_SERVICE
		NET_BROADCAST
		NET_RAW
		SETFCAP
		SETGID
		SETPCAP
		SETUID
		SYS_ADMIN
		SYS_BOOT
		SYS_CHROOT
		SYSLOG
		SYS_MODULE
		SYS_NICE
		SYS_PACCT
		SYS_PTRACE
		SYS_RAWIO
		SYS_RESOURCE
		SYS_TIME
		SYS_TTY_CONFIG
		WAKE_ALARM
	" -- "$cur" ) )
}

__kpod_complete_detach-keys() {
	case "$prev" in
		--detach-keys)
			case "$cur" in
				*,)
					COMPREPLY=( $( compgen -W "${cur}ctrl-" -- "$cur" ) )
					;;
				*)
					COMPREPLY=( $( compgen -W "ctrl-" -- "$cur" ) )
					;;
			esac

			__kpod_nospace
			return
			;;
	esac
	return 1
}

__kpod_complete_log_drivers() {
	COMPREPLY=( $( compgen -W "
		awslogs
		etwlogs
		fluentd
		gcplogs
		gelf
		journald
		json-file
		logentries
		none
		splunk
		syslog
	" -- "$cur" ) )
}

__kpod_complete_log_options() {
	# see docs/reference/logging/index.md
	local awslogs_options="awslogs-region awslogs-group awslogs-stream"
	local fluentd_options="env fluentd-address fluentd-async-connect fluentd-buffer-limit fluentd-retry-wait fluentd-max-retries labels tag"
	local gcplogs_options="env gcp-log-cmd gcp-project labels"
	local gelf_options="env gelf-address gelf-compression-level gelf-compression-type labels tag"
	local journald_options="env labels tag"
	local json_file_options="env labels max-file max-size"
	local logentries_options="logentries-token"
	local syslog_options="env labels syslog-address syslog-facility syslog-format syslog-tls-ca-cert syslog-tls-cert syslog-tls-key syslog-tls-skip-verify tag"
	local splunk_options="env labels splunk-caname splunk-capath splunk-format splunk-gzip splunk-gzip-level splunk-index splunk-insecureskipverify splunk-source splunk-sourcetype splunk-token splunk-url splunk-verify-connection tag"

	local all_options="$fluentd_options $gcplogs_options $gelf_options $journald_options $logentries_options $json_file_options $syslog_options $splunk_options"

	case $(__kpod_value_of_option --log-driver) in
		'')
			COMPREPLY=( $( compgen -W "$all_options" -S = -- "$cur" ) )
			;;
		awslogs)
			COMPREPLY=( $( compgen -W "$awslogs_options" -S = -- "$cur" ) )
			;;
		fluentd)
			COMPREPLY=( $( compgen -W "$fluentd_options" -S = -- "$cur" ) )
			;;
		gcplogs)
			COMPREPLY=( $( compgen -W "$gcplogs_options" -S = -- "$cur" ) )
			;;
		gelf)
			COMPREPLY=( $( compgen -W "$gelf_options" -S = -- "$cur" ) )
			;;
		journald)
			COMPREPLY=( $( compgen -W "$journald_options" -S = -- "$cur" ) )
			;;
		json-file)
			COMPREPLY=( $( compgen -W "$json_file_options" -S = -- "$cur" ) )
			;;
		logentries)
			COMPREPLY=( $( compgen -W "$logentries_options" -S = -- "$cur" ) )
			;;
		syslog)
			COMPREPLY=( $( compgen -W "$syslog_options" -S = -- "$cur" ) )
			;;
		splunk)
			COMPREPLY=( $( compgen -W "$splunk_options" -S = -- "$cur" ) )
			;;
		*)
			return
			;;
	esac

	__kpod_nospace
}

__kpod_complete_log_driver_options() {
	local key=$(__kpod_map_key_of_current_option '--log-opt')
	case "$key" in
		fluentd-async-connect)
			COMPREPLY=( $( compgen -W "false true" -- "${cur##*=}" ) )
			return
			;;
		gelf-address)
			COMPREPLY=( $( compgen -W "udp" -S "://" -- "${cur##*=}" ) )
			__kpod_nospace
			return
			;;
		gelf-compression-level)
			COMPREPLY=( $( compgen -W "1 2 3 4 5 6 7 8 9" -- "${cur##*=}" ) )
			return
			;;
		gelf-compression-type)
			COMPREPLY=( $( compgen -W "gzip none zlib" -- "${cur##*=}" ) )
			return
			;;
		syslog-address)
			COMPREPLY=( $( compgen -W "tcp:// tcp+tls:// udp:// unix://" -- "${cur##*=}" ) )
			__kpod_nospace
			__ltrim_colon_completions "${cur}"
			return
			;;
		syslog-facility)
			COMPREPLY=( $( compgen -W "
				auth
				authpriv
				cron
				daemon
				ftp
				kern
				local0
				local1
				local2
				local3
				local4
				local5
				local6
				local7
				lpr
				mail
				news
				syslog
				user
				uucp
			" -- "${cur##*=}" ) )
			return
			;;
		syslog-format)
			COMPREPLY=( $( compgen -W "rfc3164 rfc5424 rfc5424micro" -- "${cur##*=}" ) )
			return
			;;
		syslog-tls-ca-cert|syslog-tls-cert|syslog-tls-key)
			_filedir
			return
			;;
		syslog-tls-skip-verify)
			COMPREPLY=( $( compgen -W "true" -- "${cur##*=}" ) )
			return
			;;
		splunk-url)
			COMPREPLY=( $( compgen -W "http:// https://" -- "${cur##*=}" ) )
			__kpod_nospace
			__ltrim_colon_completions "${cur}"
			return
			;;
		splunk-gzip|splunk-insecureskipverify|splunk-verify-connection)
			COMPREPLY=( $( compgen -W "false true" -- "${cur##*=}" ) )
			return
			;;
		splunk-format)
			COMPREPLY=( $( compgen -W "inline json raw" -- "${cur##*=}" ) )
			return
			;;
	esac
	return 1
}

__kpod_complete_log_levels() {
	COMPREPLY=( $( compgen -W "debug info warn error fatal" -- "$cur" ) )
}

# __kpod_complete_signals returns a subset of the available signals that is most likely
# relevant in the context of kpod containers
__kpod_complete_signals() {
	local signals=(
		SIGCONT
		SIGHUP
		SIGINT
		SIGKILL
		SIGQUIT
		SIGSTOP
		SIGTERM
		SIGUSR1
		SIGUSR2
	)
	COMPREPLY=( $( compgen -W "${signals[*]} ${signals[*]#SIG}" -- "$( echo $cur | tr '[:lower:]' '[:upper:]')" ) )
}

__kpod_complete_user_group() {
	if [[ $cur == *:* ]] ; then
		COMPREPLY=( $(compgen -g -- "${cur#*:}") )
	else
		COMPREPLY=( $(compgen -u -S : -- "$cur") )
		__kpod_nospace
	fi
}

__kpod_list_images() {
    COMPREPLY=($(compgen -W "$(kpod images -q)" -- $cur))
}

__kpod_list_containers() {
    COMPREPLY=($(compgen -W "$(kpod ps -aq)" -- $cur))
}

__kpod_images() {
	local images_args=""

	case "$KPOD_COMPLETION_SHOW_IMAGE_IDS" in
		all)
			images_args="--no-trunc -a"
			;;
		non-intermediate)
			images_args="--no-trunc"
			;;
	esac

	local repo_print_command
	if [ "${KPOD_COMPLETION_SHOW_TAGS:-yes}" = "yes" ]; then
		repo_print_command='print $1; print $1":"$2'
	else
		repo_print_command='print $1'
	fi

	local awk_script
	case "$KPOD_COMPLETION_SHOW_IMAGE_IDS" in
		all|non-intermediate)
			awk_script='NR>1 { print $3; if ($1 != "<none>") { '"$repo_print_command"' } }'
			;;
		none|*)
			awk_script='NR>1 && $1 != "<none>" { '"$repo_print_command"' }'
			;;
	esac

	__kpod_q images $images_args | awk "$awk_script" | grep -v '<none>$'
}

_kpod_diff() {
    local options_with_args="
     --format
     "
    local boolean_options="
     "
    _complete_ "$options_with_args" "$boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_images
            ;;
    esac
}

_kpod_export() {
    local options_with_args="
     --output
     -o
     "
    local boolean_options="
     "
    _complete_ "$options_with_args" "$boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_images
            ;;
    esac
}

_kpod_history() {
    local options_with_args="
     --format
     "
    local boolean_options="
     --human -H
     --no-trunc
     --quiet -q
     "
    _complete_ "$options_with_args" "$boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_images
            ;;
    esac
}

_kpod_info() {
    local boolean_options="
     --help
     -h
     --debug
     "
    local options_with_args="
    --format
  "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_images
            ;;
    esac
}

_kpod_images() {
    local boolean_options="
     --help
     -h
     --quiet
     -q
     --noheading
     -n
     --no-trunc
     --digests
     --filter
     -f
     "
    local options_with_args="
    --format
  "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
    esac
}

_kpod_inspect() {
    local boolean_options="
     --help
     -h
     "
    local options_with_args="
    --format
     -f
     --type
     -t
     --size
  "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
    esac
}
_kpod_kill() {
     local options_with_args="
     --signal -s
     "
     local boolean_options="
     --help
     -h"
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_logs() {
     local options_with_args="
     --since
     --tail
     "
     local boolean_options="
     --follow
     -f
     "
     _complete_ "$options_with_args" "$boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_containers
            ;;
    esac
}

_kpod_pull() {
    local options_with_args="
    --authfile
    --creds
    --cert-dir
    --signature-policy
    "
    local boolean_options="
    --all-tags -a
    --quiet
    -q
    --tls-verify
    "
    _complete_ "$options_with_args" "$boolean_options"
}

_kpod_unmount() {
    _kpod_umount $@
}

_kpod_umount() {
    local boolean_options="
    --help
    -h
 "
    local options_with_args="
 "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
    esac
}

_kpod_mount() {
    local boolean_options="
    --help
    -h
    --notruncate
 "

    local options_with_args="
    --label
    --format
 "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
    esac
}

_kpod_push() {
    local boolean_options="
    --disable-compression
    -D
    --quiet
    -q
    --remove-signatures
    --tls-verify
  "

    local options_with_args="
    --authfile
    --cert-dir
    --creds
    --sign-by
    --signature-policy
  "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
    esac
}

_kpod_rename() {
    local boolean_options="
    --help
    -h
 "
    local options_with_args="
 "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_containers
            ;;
    esac
}

_kpod_container_run() {
	local options_with_args="
		--add-host
		--attach -a
		--blkio-weight
		--blkio-weight-device
		--cap-add
		--cap-drop
		--cgroup-parent
		--cidfile
		--cpu-period
		--cpu-quota
		--cpu-rt-period
		--cpu-rt-runtime
		--cpuset-cpus
		--cpus
		--cpuset-mems
		--cpu-shares -c
		--device
		--device-read-bps
		--device-read-iops
		--device-write-bps
		--device-write-iops
		--dns
		--dns-option
		--dns-search
		--entrypoint
		--env -e
		--env-file
		--expose
		--group-add
		--hostname -h
		--init-path
		--ip
		--ip6
		--ipc
		--kernel-memory
		--label-file
		--label -l
		--link-local-ip
		--log-driver
		--log-opt
		--mac-address
		--memory -m
		--memory-swap
		--memory-swappiness
		--memory-reservation
		--name
		--network
		--network-alias
		--oom-score-adj
		--pid
		--pids-limit
		--publish -p
		--runtime
		--security-opt
		--shm-size
		--stop-signal
		--stop-timeout
		--storage-opt
		--tmpfs
		--sysctl
		--ulimit
		--user -u
		--userns
		--uts
		--volumes-from
		--volume -v
		--workdir -w
	"

	local boolean_options="
		--disable-content-trust=false
		--help
		--init
		--interactive -i
		--oom-kill-disable
		--privileged
		--publish-all -P
		--read-only
		--tty -t
	"

	if [ "$command" = "run" -o "$subcommand" = "run" ] ; then
		options_with_args="$options_with_args
			--detach-keys
			--health-cmd
			--health-interval
			--health-retries
			--health-timeout
		"
		boolean_options="$boolean_options
			--detach -d
			--no-healthcheck
			--rm
			--sig-proxy=false
		"
		__kpod_complete_detach-keys && return
	fi

	local all_options="$options_with_args $boolean_options"


	__kpod_complete_log_driver_options && return

	local key=$(__kpod_map_key_of_current_option '--security-opt')
	case "$key" in
		label)
			[[ $cur == *: ]] && return
			COMPREPLY=( $( compgen -W "user: role: type: level: disable" -- "${cur##*=}") )
			if [ "${COMPREPLY[*]}" != "disable" ] ; then
				__kpod_nospace
			fi
			return
			;;
		seccomp)
			local cur=${cur##*=}
			_filedir
			COMPREPLY+=( $( compgen -W "unconfined" -- "$cur" ) )
			return
			;;
	esac

	case "$prev" in
		--add-host)
			case "$cur" in
				*:)
					__kpod_complete_resolved_hostname
					return
					;;
			esac
			;;
		--attach|-a)
			COMPREPLY=( $( compgen -W 'stdin stdout stderr' -- "$cur" ) )
			return
			;;
		--cap-add|--cap-drop)
			__kpod_complete_capabilities
			return
			;;
		--cidfile|--env-file|--init-path|--label-file)
			_filedir
			return
			;;
		--device|--tmpfs|--volume|-v)
			case "$cur" in
				*:*)
					# TODO somehow do _filedir for stuff inside the image, if it's already specified (which is also somewhat difficult to determine)
					;;
				'')
					COMPREPLY=( $( compgen -W '/' -- "$cur" ) )
					__kpod_nospace
					;;
				/*)
					_filedir
					__kpod_nospace
					;;
			esac
			return
			;;
		--env|-e)
			# we do not append a "=" here because "-e VARNAME" is legal systax, too
			COMPREPLY=( $( compgen -e -- "$cur" ) )
			__kpod_nospace
			return
			;;
		--ipc)
			case "$cur" in
				*:*)
					cur="${cur#*:}"
					__kpod_complete_containers_running
					;;
				*)
					COMPREPLY=( $( compgen -W 'host container:' -- "$cur" ) )
					if [ "$COMPREPLY" = "container:" ]; then
						__kpod_nospace
					fi
					;;
			esac
			return
			;;
		--log-driver)
			__kpod_complete_log_drivers
			return
			;;
		--log-opt)
			__kpod_complete_log_options
			return
			;;
		--network)
			case "$cur" in
				container:*)
					__kpod_complete_containers_all --cur "${cur#*:}"
					;;
				*)
					COMPREPLY=( $( compgen -W "$(__kpod_plugins_bundled --type Network) $(__kpod_networks) container:" -- "$cur") )
					if [ "${COMPREPLY[*]}" = "container:" ] ; then
						__kpod_nospace
					fi
					;;
			esac
			return
			;;
		--pid)
			case "$cur" in
				*:*)
					__kpod_complete_containers_running --cur "${cur#*:}"
					;;
				*)
					COMPREPLY=( $( compgen -W 'host container:' -- "$cur" ) )
					if [ "$COMPREPLY" = "container:" ]; then
						__kpod_nospace
					fi
					;;
			esac
			return
			;;
		--runtime)
			__kpod_complete_runtimes
			return
			;;
		--security-opt)
			COMPREPLY=( $( compgen -W "apparmor= label= no-new-privileges seccomp=" -- "$cur") )
			if [ "${COMPREPLY[*]}" != "no-new-privileges" ] ; then
				__kpod_nospace
			fi
			return
			;;
		--storage-opt)
			COMPREPLY=( $( compgen -W "size" -S = -- "$cur") )
			__kpod_nospace
			return
			;;
		--user|-u)
			__kpod_complete_user_group
			return
			;;
		--userns)
			COMPREPLY=( $( compgen -W "host" -- "$cur" ) )
			return
			;;
		--volumes-from)
			__kpod_complete_containers_all
			return
			;;
		$(__kpod_to_extglob "$options_with_args") )
			return
			;;
	esac

	case "$cur" in
		-*)
			COMPREPLY=( $( compgen -W "$all_options" -- "$cur" ) )
			;;
		*)
			local counter=$( __kpod_pos_first_nonflag $( __kpod_to_alternatives "$options_with_args" ) )
			if [ $cword -eq $counter ]; then
				__kpod_complete_images
			fi
			;;
	esac
}

_kpod_create() {
	_kpod_container_run
}

_kpod_run() {
	_kpod_container_run
}

_kpod_rm() {
    local boolean_options="
    --force
    -f
    "

    local options_with_args="
    "

    local all_options="$options_with_args $boolean_options"

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_containers
            ;;
    esac
}

_kpod_rmi() {
    local boolean_options="
     --help
     -h
     --force
     -f
  "

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_images
            ;;
    esac
}

_kpod_stats() {
    local boolean_options="
     --help
     --all
     -a
     --no-stream
     --format
    "

    case "$cur" in
        -*)
            COMPREPLY=($(compgen -W "$boolean_options $options_with_args" -- "$cur"))
            ;;
        *)
            __kpod_list_containers
            ;;
    esac
}

kpod_tag() {
    local options_with_args="
    "
    local boolean_options="
    "
    _complete_ "$options_with_args" "$boolean_options"
}

_kpod_version() {
     local options_with_args="
     "
     local boolean_options="
     "
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_save() {
     local options_with_args="
     --output -o
     --format
     "
     local boolean_options="
     --quiet -q
     "
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_export() {
     local options_with_args="
     --output -o
     "
     local boolean_options="
     "
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_pause() {
     local options_with_args="
     --help -h
     "
     local boolean_options=""
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_ps() {
     local options_with_args="
     --filter -f
     --format
     --last -n
     "
     local boolean_options="
     --all -a
     --latest -l
     --no-trunc
     --quiet -q
     --size -s
     --namespace --ns
     "
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_stop() {
     local options_with_args="
     --timeout -t
     "
     local boolean_options=""
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_unpause() {
     local options_with_args="
     --help -h
     "
     local boolean_options=""
     _complete_ "$options_with_args" "$boolean_options"

_kpod_wait() {
     local options_with_args=""
     local boolean_options="--help -h"
     _complete_ "$options_with_args" "$boolean_options"
}

_complete_() {
    local options_with_args=$1
    local boolean_options="$2 -h --help"

    case "$prev" in
	$options_with_args)
	    return
	    ;;
    esac

    case "$cur" in
	-*)
	    COMPREPLY=( $( compgen -W "$boolean_options $options_with_args" -- "$cur" ) )
	    ;;
    esac
}

_kpod_load() {
    local options_with_args="
    --input -i
    --signature-policy
    "
    local boolean_options="
    --quiet -q
    "
    _complete_ "$options_with_args" "$boolean_options"
}

_kpod_login() {
     local options_with_args="
     --username
     -u
     --password
     -p
     --authfile
     "
     local boolean_options="
     --help
     -h
     "
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_logout() {
     local options_with_args="
     --authfile
     "
     local boolean_options="
     --all
     -a
     --help
     -h
     "
     _complete_ "$options_with_args" "$boolean_options"
}

_kpod_kpod() {
     local options_with_args="
           --config -c
           --root
           --runroot
           --storage-driver
           --storage-opt
           --log-level
    "
     local boolean_options="
           --help -h
           --version -v
     "
     commands="
    create
    diff
    export
    history
    images
    info
    inspect
    kill
    load
    login
    logout
    logs
    mount
    pause
    ps
    pull
    push
    rename
    rm
    rmi
    run
    save
    stats
    stop
    tag
    umount
    unmount
    unpause
    version
    wait
     "

     case "$prev" in
	 $main_options_with_args_glob )
	     return
	     ;;
     esac

     case "$cur" in
	 -*)
	     COMPREPLY=( $( compgen -W "$boolean_options $options_with_args" -- "$cur" ) )
	     ;;
	 *)
	     COMPREPLY=( $( compgen -W "${commands[*]} help" -- "$cur" ) )
	     ;;
     esac
}

_cli_bash_autocomplete() {
     local cur opts base

     COMPREPLY=()
     cur="${COMP_WORDS[COMP_CWORD]}"
     COMPREPLY=()
     local cur prev words cword

     _get_comp_words_by_ref -n : cur prev words cword

     local command=${PROG} cpos=0
     local counter=1
     counter=1
     while [ $counter -lt $cword ]; do
	 case "!${words[$counter]}" in
	     *)
		 command=$(echo "${words[$counter]}" | sed 's/-/_/g')
		 cpos=$counter
		 (( cpos++ ))
		 break
		 ;;
	 esac
	 (( counter++ ))
     done

     local completions_func=_kpod_${command}
     declare -F $completions_func >/dev/null && $completions_func

     eval "$previous_extglob_setting"
     return 0
}

complete -F _cli_bash_autocomplete $PROG