# journalctl(1) completion -*- shell-script -*-

#

# This file is part of systemd.

#

# Copyright 2010 Ran Benita

#

# systemd is free software; you can redistribute it and/or modify it

# under the terms of the GNU Lesser General Public License as published by

# the Free Software Foundation; either version 2.1 of the License, or

# (at your option) any later version.

#

# systemd is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with systemd; If not, see <http://www.gnu.org/licenses/>.

__contains_word () {

local w word=$1; shift

for w in "$@"; do

[[ $w = "$word" ]] && return

done

}

__journal_fields=(MESSAGE{,_ID} PRIORITY CODE_{FILE,LINE,FUNC}

ERRNO SYSLOG_{FACILITY,IDENTIFIER,PID} COREDUMP_EXE

_{P,U,G}ID _COMM _EXE _CMDLINE

_AUDIT_{SESSION,LOGINUID}

_SYSTEMD_{CGROUP,SESSION,UNIT,OWNER_UID}

_SELINUX_CONTEXT _SOURCE_REALTIME_TIMESTAMP

_{BOOT,MACHINE}_ID _HOSTNAME _TRANSPORT

_KERNEL_{DEVICE,SUBSYSTEM}

_UDEV_{SYSNAME,DEVNODE,DEVLINK}

__CURSOR __{REALTIME,MONOTONIC}_TIMESTAMP)

_journalctl() {

local field_vals= cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}

local -A OPTS=(

[STANDALONE]='-a --all --full --system --user

--disk-usage -f --follow --header

-h --help -l --local --new-id128 -m --merge --no-pager

--no-tail -q --quiet --setup-keys --this-boot --verify

--version --list-catalog --update-catalog'

[ARG]='-b --boot --this-boot -D --directory -F --field

-o --output -u --unit --user-unit'

[ARGUNKNOWN]='-c --cursor --interval -n --lines -p --priority --since --until

--verify-key'

)

if __contains_word "$prev" ${OPTS[ARG]} ${OPTS[ARGUNKNOWN]}; then

case $prev in

--boot|--this-boot|-b)

comps=$(journalctl -F '_BOOT_ID' 2>/dev/null)

;;

--directory|-D)

comps=$(compgen -d -- "$cur")

compopt -o filenames

;;

--output|-o)

comps='short short-monotonic verbose export json cat'

;;

--field|-F)

comps=${__journal_fields[*]}

;;

--unit|-u)

comps=$(journalctl -F '_SYSTEMD_UNIT' 2>/dev/null)

;;

--user-unit)

comps=$(journalctl -F '_SYSTEMD_USER_UNIT' 2>/dev/null)

;;

*)

return 0

;;

esac

COMPREPLY=( $(compgen -W '$comps' -- "$cur") )

return 0

fi

if [[ $cur = -* ]]; then

COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )

return 0

elif [[ $cur = *=* ]]; then

mapfile -t field_vals < <(journalctl -F "${prev%=}" 2>/dev/null)

COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur#=}") )

elif [[ $cur = /dev* ]]; then

compopt -o filenames

COMPREPLY=( $(compgen -f -- "${cur}") )

elif [[ $cur = /* ]]; then

# Append /dev/ to the list of completions, so that

# after typing /<TAB><TAB> the user sees /dev/ as one

# of the alternatives. Later on the rule above will

# take care of showing device files in /dev/.

mapfile -t field_vals < <(journalctl -F "_EXE" 2>/dev/null; echo '/dev/')

COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "${cur}") )

if [[ "${COMPREPLY[@]}" = '/dev/' ]]; then

compopt -o filenames

COMPREPLY=( $(compgen -f -- "${cur}") )

fi

elif [[ $prev = '=' ]]; then

mapfile -t field_vals < <(journalctl -F "${COMP_WORDS[COMP_CWORD-2]}" 2>/dev/null)

COMPREPLY=( $(compgen -W '${field_vals[*]}' -- "$cur") )

else

compopt -o nospace

COMPREPLY=( $(compgen -W '${__journal_fields[*]}' -S= -- "$cur") )

fi

}

complete -F _journalctl journalctl