shell-completion/bash/systemd-analyze

   1 # systemd-analyze(1) completion                      -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright © 2010 Ran Benita
   7 #
   8 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 __contains_word () {
  22         local w word=$1; shift
  23         for w in "$@"; do
  24                 [[ $w = "$word" ]] && return
  25         done
  26 }
  27
  28 __get_machines() {
  29         local a b
  30         machinectl list --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  31 }
  32
  33 _systemd_analyze() {
  34         local i verb comps
  35         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  36
  37         local -A OPTS=(
  38                [STANDALONE]='-h --help --version --system --user --global --order --require --no-pager
  39                              --man=no --generators=yes'
  40                       [ARG]='-H --host -M --machine --fuzz --from-pattern --to-pattern --root'
  41         )
  42
  43         local -A VERBS=(
  44                 [STANDALONE]='time blame plot dump unit-paths calendar timespan'
  45                 [CRITICAL_CHAIN]='critical-chain'
  46                 [DOT]='dot'
  47                 [LOG_LEVEL]='log-level'
  48                 [LOG_TARGET]='log-target'
  49                 [VERIFY]='verify'
  50                 [SECCOMP_FILTER]='syscall-filter'
  51                 [SERVICE_WATCHDOGS]='service-watchdogs'
  52                 [CAT_CONFIG]='cat-config'
  53         )
  54
  55         local CONFIGS='systemd/bootchart.conf systemd/coredump.conf systemd/journald.conf
  56                        systemd/journal-remote.conf systemd/journal-upload.conf systemd/logind.conf
  57                        systemd/resolved.conf systemd/networkd.conf systemd/resolved.conf
  58                        systemd/sleep.conf systemd/system.conf systemd/timedated.conf
  59                        systemd/timesyncd.conf systemd/user.conf udev/udev.conf'
  60
  61         _init_completion || return
  62
  63         for ((i=0; i < COMP_CWORD; i++)); do
  64                 if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
  65                  ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
  66                         verb=${COMP_WORDS[i]}
  67                         break
  68                 fi
  69         done
  70
  71         if __contains_word "$prev" ${OPTS[ARG]}; then
  72                 case $prev in
  73                         --host|-H)
  74                                 comps=$(compgen -A hostname)
  75                         ;;
  76                         --machine|-M)
  77                                 comps=$( __get_machines )
  78                         ;;
  79                 esac
  80                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
  81                 return 0
  82         fi
  83
  84         if [[ -z $verb  && $cur = -* ]]; then
  85                 COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
  86                 return 0
  87         fi
  88
  89         if [[ -z $verb ]]; then
  90                 comps=${VERBS[*]}
  91
  92         elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
  93                 if [[ $cur = -* ]]; then
  94                         comps='--help --version --system --user --global --no-pager'
  95                 fi
  96
  97         elif __contains_word "$verb" ${VERBS[CRITICAL_CHAIN]}; then
  98                 if [[ $cur = -* ]]; then
  99                         comps='--help --version --system --user --fuzz --no-pager'
 100                 fi
 101
 102         elif __contains_word "$verb" ${VERBS[DOT]}; then
 103                 if [[ $cur = -* ]]; then
 104                         comps='--help --version --system --user --global --from-pattern --to-pattern --order --require'
 105                 fi
 106
 107         elif __contains_word "$verb" ${VERBS[LOG_LEVEL]}; then
 108                 if [[ $cur = -* ]]; then
 109                         comps='--help --version --system --user'
 110                 else
 111                         comps='debug info notice warning err crit alert emerg'
 112                 fi
 113
 114         elif __contains_word "$verb" ${VERBS[LOG_TARGET]}; then
 115                 if [[ $cur = -* ]]; then
 116                         comps='--help --version --system --user'
 117                 else
 118                         comps='console journal kmsg journal-or-kmsg null'
 119                 fi
 120
 121         elif __contains_word "$verb" ${VERBS[SECCOMP_FILTER]}; then
 122                 if [[ $cur = -* ]]; then
 123                         comps='--help --version --no-pager'
 124                 fi
 125
 126         elif __contains_word "$verb" ${VERBS[VERIFY]}; then
 127                 if [[ $cur = -* ]]; then
 128                         comps='--help --version --system --user --global --man=no --generators=yes'
 129                 else
 130                         comps=$( compgen -A file -- "$cur" )
 131                         compopt -o filenames
 132                 fi
 133
 134         elif __contains_word "$verb" ${VERBS[SERVICE_WATCHDOGS]}; then
 135                 if [[ $cur = -* ]]; then
 136                         comps='--help --version --system --user'
 137                 else
 138                         comps='on off'
 139                 fi
 140
 141         elif __contains_word "$verb" ${VERBS[CAT_CONFIG]}; then
 142                 if [[ $cur = -* ]]; then
 143                         comps='--help --version --root --no-pager'
 144                 elif [[ -z $cur ]]; then
 145                         comps="$CONFIGS"
 146                         compopt -o filenames
 147                 else
 148                         comps="$CONFIGS $( compgen -A file -- "$cur" )"
 149                         compopt -o filenames
 150                 fi
 151         fi
 152
 153         COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 154         return 0
 155 }
 156
 157 complete -F _systemd_analyze systemd-analyze