shell-completion: add shell completion for systemd-sysupdate

diff --git a/shell-completion/bash/meson.build b/shell-completion/bash/meson.build
index cddf742059d5112e2c23d3a0bda8d85c60af71d1..863ceb693bb758eec596a3311ec7c818b049e308 100644 (file)
--- a/shell-completion/bash/meson.build
+++ b/shell-completion/bash/meson.build
@@ -55,6 +55,7 @@ foreach item : [
         ['systemd-run',         ''],
         ['systemd-sysext',      'ENABLE_SYSEXT'],
         ['systemd-sysinstall',  'ENABLE_SYSINSTALL'],
+        ['systemd-sysupdate',   'ENABLE_SYSUPDATE'],
         ['systemd-vmspawn',     'ENABLE_VMSPAWN'],
         ['systemd-vpick',       ''],
         ['timedatectl',         'ENABLE_TIMEDATED'],

diff --git a/shell-completion/bash/systemd-sysupdate b/shell-completion/bash/systemd-sysupdate
new file mode 100644 (file)
index 0000000..fb5f534
--- /dev/null
+++ b/shell-completion/bash/systemd-sysupdate
@@ -0,0 +1,138 @@
+# shellcheck shell=bash
+# systemd-sysupdate(8) 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 <https://www.gnu.org/licenses/>.
+
+__contains_word() {
+    local w word=$1; shift
+    for w in "$@"; do
+        [[ $w = "$word" ]] && return
+    done
+}
+
+# List the components or features known to the installation. The argument is both
+# the verb to invoke ('components' or 'features') and the JSON array key to extract.
+__systemd_sysupdate_list() {
+    systemd-sysupdate --no-pager --json=short "$1" 2>/dev/null |
+        sed -n "s/.*\"$1\":\[\([^]]*\)\].*/\1/p" | tr ',' '\n' | tr -d '"'
+}
+
+_systemd-sysupdate() {
+    local i verb comps
+    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
+    local -A OPTS=(
+        [STANDALONE]='-h --help --version
+                     --no-pager
+                     --no-legend
+                     -A --component-all
+                     -S --component-suggested
+                     -a --feature-all
+                     -s --feature-suggested
+                     --reboot
+                     --offline'
+        [ARG]='-C --component
+               --definitions
+               --root
+               --image
+               --image-policy
+               --transfer-source
+               -m --instances-max
+               --sync
+               --verify
+               --cleanup
+               --json'
+    )
+
+    local -A VERBS=(
+        [STANDALONE]='check-new
+                      vacuum
+                      cleanup
+                      pending
+                      reboot
+                      components'
+        [VERSION]='list
+                   update
+                   acquire'
+        [FEATURE]='features
+                   enable-feature
+                   disable-feature'
+        [COMPONENT]='enable-component
+                     disable-component'
+    )
+
+    _init_completion || return
+
+    if __contains_word "$prev" ${OPTS[ARG]}; then
+        case $prev in
+            -C|--component)
+                comps=$( __systemd_sysupdate_list components )
+                ;;
+            --definitions|--root|--transfer-source)
+                comps=$(compgen -A directory -- "$cur" )
+                compopt -o dirnames
+                ;;
+            --image)
+                comps=$(compgen -A file -- "$cur" )
+                compopt -o filenames
+                ;;
+            --image-policy)
+                comps=''
+                ;;
+            --instances-max|-m)
+                comps=''
+                ;;
+            --sync|--verify|--cleanup)
+                comps='no yes'
+                ;;
+            --json)
+                comps='pretty short off'
+                ;;
+        esac
+        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+        return 0
+    fi
+
+    if [[ "$cur" = -* ]]; then
+        COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+        return 0
+    fi
+
+    for ((i=0; i < COMP_CWORD; i++)); do
+        if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
+                ! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
+            verb=${COMP_WORDS[i]}
+            break
+        fi
+    done
+
+    if [[ -z ${verb-} ]]; then
+        comps=${VERBS[*]}
+    elif __contains_word "$verb" ${VERBS[FEATURE]}; then
+        comps=$( __systemd_sysupdate_list features )
+    elif __contains_word "$verb" ${VERBS[COMPONENT]}; then
+        comps=$( __systemd_sysupdate_list components )
+    else
+        # STANDALONE verbs take no argument, VERSION verbs take a remote version
+        # that cannot be enumerated locally.
+        comps=''
+    fi
+
+    COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+    return 0
+}
+
+complete -F _systemd-sysupdate systemd-sysupdate

diff --git a/shell-completion/zsh/_systemd-sysupdate b/shell-completion/zsh/_systemd-sysupdate
new file mode 100644 (file)
index 0000000..e793015
--- /dev/null
+++ b/shell-completion/zsh/_systemd-sysupdate
@@ -0,0 +1,92 @@
+#compdef systemd-sysupdate
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+local context state state_descr line
+typeset -A opt_args
+local ret=1
+
+# Pick the component/feature names out of the --json=short output of the
+# 'components'/'features' verbs. (The tabular output is unsuitable here, since
+# it prefixes each name with enabled/suggested checkmark columns.)
+_systemd-sysupdate_components() {
+    local expl
+    local -a components=( ${(@)${(@)${(s:,:)${${"$(_call_program -l components systemd-sysupdate --no-pager --json=short components 2>/dev/null)"#*\"components\":\[}%%\]*}}#\"}%\"} )
+    _wanted components expl "component" compadd "$@" -a - components
+}
+
+_systemd-sysupdate_features() {
+    local expl
+    local -a features=( ${(@)${(@)${(s:,:)${${"$(_call_program -l features systemd-sysupdate --no-pager --json=short features 2>/dev/null)"#*\"features\":\[}%%\]*}}#\"}%\"} )
+    _wanted features expl "feature" compadd "$@" -a - features
+}
+
+local -a opts=(
+    {-h,--help}'[Show help message and exit]'
+    '--version[Show package version and exit]'
+    '--no-pager[Do not pipe output into a pager]'
+    '--no-legend[Do not show the headers and footers]'
+    '--json=[Show output as JSON]:mode:(pretty short off)'
+    '(-A --component-all -S --component-suggested)'{-C+,--component=}'[Select component to update]:component:_systemd-sysupdate_components'
+    '(-C --component -S --component-suggested)'{-A,--component-all}'[Select all components]'
+    '(-C --component -A --component-all)'{-S,--component-suggested}'[Select all suggested components]'
+    '(-s --feature-suggested)'{-a,--feature-all}'[Select all features]'
+    '(-a --feature-all)'{-s,--feature-suggested}'[Select all suggested features]'
+    '--definitions=[Find transfer definitions in specified directory]:directory:_directories'
+    '--root=[Operate on an alternate filesystem root]:directory:_directories'
+    '--image=[Operate on disk image as filesystem root]:image file:_files'
+    '--image-policy=[Specify disk image dissection policy]:policy'
+    '--transfer-source=[Specify the directory to transfer sources from]:directory:_directories'
+    {-m+,--instances-max=}'[How many instances to maintain]:number'
+    '--sync=[Control whether to sync data to disk]:bool:(yes no)'
+    '--verify=[Force signature verification on or off]:bool:(yes no)'
+    '--reboot[Reboot after updating to newer version]'
+    '--offline[Do not fetch metadata from the network]'
+    '--cleanup=[Clean up orphaned files after completing update]:bool:(yes no)'
+)
+
+local -a commands=(
+    'list:List available and installed versions'
+    'features:List optional features'
+    'enable-feature:Enable optional features'
+    'disable-feature:Disable optional features'
+    'check-new:Check if a newer version is available'
+    'update:Install newest version'
+    'acquire:Download newest version without installing'
+    'vacuum:Make room by deleting old versions'
+    'cleanup:Clean up orphaned files'
+    'pending:Report whether a newer version is installed than booted'
+    'reboot:Reboot if a newer version is installed than booted'
+    'components:Show list of components'
+    'enable-component:Enable components'
+    'disable-component:Disable components'
+)
+
+_arguments -s -A '-*' \
+    "$opts[@]" \
+    ':command:->command' \
+    '*:: :->argument' && ret=0
+
+case $state in
+    command)
+        _describe -t commands 'systemd-sysupdate command' commands && ret=0
+        ;;
+    argument)
+        local curcontext=${curcontext%:*:*}:systemd-sysupdate-$words[1]:
+        case $words[1] in
+            features)
+                _arguments -s "$opts[@]" ':feature:_systemd-sysupdate_features' && ret=0
+                ;;
+            enable-feature|disable-feature)
+                _arguments -s "$opts[@]" '*:feature:_systemd-sysupdate_features' && ret=0
+                ;;
+            enable-component|disable-component)
+                _arguments -s "$opts[@]" '*:component:_systemd-sysupdate_components' && ret=0
+                ;;
+            *)
+                _arguments -s "$opts[@]" && ret=0
+                ;;
+        esac
+        ;;
+esac
+
+return ret

diff --git a/shell-completion/zsh/meson.build b/shell-completion/zsh/meson.build
index edad8bcb3255d74016a76066a1a074d4c723a4c6..7ffd4250acf7af20f82349c911a1f694f189b43e 100644 (file)
--- a/shell-completion/zsh/meson.build
+++ b/shell-completion/zsh/meson.build
@@ -45,6 +45,7 @@ foreach item : [
         ['_systemd-path',             ''],
         ['_systemd-run',              ''],
         ['_systemd-sysinstall',       'ENABLE_SYSINSTALL'],
+        ['_systemd-sysupdate',        'ENABLE_SYSUPDATE'],
         ['_systemd-tmpfiles',         'ENABLE_TMPFILES'],
         ['_timedatectl',              'ENABLE_TIMEDATED'],
         ['_udevadm',                  ''],