shell-completion: Add completion for oomctl

Added bash and zsh completions for oomctl arguments and commands.

Related To: #22118

shell-completion/bash/meson.build

@@ -40,6 +40,7 @@ items = [['busctl',              ''],
          ['loginctl',            'ENABLE_LOGIND'],
          ['machinectl',          'ENABLE_MACHINED'],
          ['networkctl',          'ENABLE_NETWORKD'],
+         ['oomctl',              'ENABLE_OOMD'],
          ['portablectl',         'ENABLE_PORTABLED'],
          ['resolvectl',          'ENABLE_RESOLVE'],
          ['systemd-resolve',     'ENABLE_RESOLVE'],

shell-completion/bash/oomctl

@@ -0,0 +1,57 @@
+# oomctl(1) completion                               -*- shell-script -*-
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# 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
+}
+
+_oomctl() {
+    local i verb comps
+    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+    local OPTS='-h --help --version --no-pager'
+
+    if [[ "$cur" = -* ]]; then
+        COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+        return 0
+    fi
+
+    local -A VERBS=(
+        [STANDALONE]='help dump'
+    )
+
+    for ((i=0; i < COMP_CWORD; i++)); do
+        if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]}; then
+            verb=${COMP_WORDS[i]}
+            break
+        fi
+    done
+
+    if [[ -z ${verb-} ]]; then
+        comps=${VERBS[*]}
+    elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
+        comps=''
+    fi
+
+    COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+    return 0
+}
+
+complete -F _oomctl oomctl

shell-completion/zsh/_oomctl

@@ -0,0 +1,28 @@
+#compdef oomctl
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+(( $+functions[_oomctl_commands] )) || _oomctl_commands()
+{
+    local -a _oomctl_cmds
+    _oomctl_cmds=(
+        "dump:Show the current state of the cgroup(s) and system context(s)"
+        "help:Prints a short help text and exits."
+    )
+    if (( CURRENT == 1 )); then
+        _describe -t commands 'oomctl command' _oomctl_cmds
+    else
+        local curcontext="$curcontext"
+        cmd="${${_oomctl_cmds[(r)$words[1]:*]%%:*}}"
+        if (( $+functions[_oomctl_$cmd] )); then
+            _oomctl_$cmd
+        else
+            _message "no more options"
+        fi
+    fi
+}
+
+_arguments \
+    {-h,--help}'[Prints a short help text and exits.]' \
+    '--version[Prints a short version string and exits.]' \
+    '--no-pager[Do not pipe output into a pager]' \
+    '*::oomctl command:_oomctl_commands'

shell-completion/zsh/meson.build

@@ -34,6 +34,7 @@ items = [['_busctl',                   ''],
          ['_loginctl',                 'ENABLE_LOGIND'],
          ['_machinectl',               'ENABLE_MACHINED'],
          ['_networkctl',               'ENABLE_NETWORKD'],
+         ['_oomctl',                   'ENABLE_OOMD'],
          ['_systemd-inhibit',          'ENABLE_LOGIND'],
          ['_resolvectl',               'ENABLE_RESOLVE'],
          ['_systemd-tmpfiles',         'ENABLE_TMPFILES'],