1 files changed, 116 insertions, 0 deletions
diff --git a/shell-completion/bash/portablectl b/shell-completion/bash/portablectl
new file mode 100644
index 0000000..519c5c0
--- /dev/null
+++ b/shell-completion/bash/portablectl
@@ -0,0 +1,116 @@
+# portablectl(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 <https://www.gnu.org/licenses/>.
+
+__contains_word () {
+    local w word=$1; shift
+    for w in "$@"; do
+        [[ $w = "$word" ]] && return
+    done
+}
+
+__get_machines() {
+    local a b
+    { machinectl list --full --max-addresses=0 --no-legend --no-pager 2>/dev/null; echo ".host"; } | \
+	{ while read a b; do echo " $a"; done; } | \
+        sort -u
+}
+
+_portablectl() {
+    local i n comps verb
+    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+    local -A OPTS=(
+        [STANDALONE]='-q --quiet --runtime --no-reload --cat --no-pager --no-legend
+                              --no-ask-password --enable --now -h --help --version'
+        [ARG]='-p --profile --copy -H --host -M --machine --extension'
+    )
+
+    local -A VERBS=(
+        [STANDALONE]='list'
+        [IMAGE]='attach detach reattach inspect is-attached set-limit'
+        [IMAGES]='remove'
+        [IMAGE_WITH_BOOL]='read-only'
+    )
+
+    if __contains_word "$prev" ${OPTS[ARG]}; then
+        case $prev in
+            --profile|-p)
+                comps="default nonetwork strict trusted"
+                ;;
+            --copy)
+                comps="copy symlink auto"
+                ;;
+            --host|-H)
+                comps=$(compgen -A hostname)
+                ;;
+            --machine|-M)
+                comps=$( __get_machines )
+                ;;
+            --extension)
+                comps=$( compgen -A file -- "$cur" )
+                compopt -o filenames
+                ;;
+        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
+
+    n=$(($COMP_CWORD - $i))
+
+    if [[ -z ${verb-} ]]; then
+        comps=${VERBS[*]}
+    elif __contains_word "$verb" ${VERBS[STANDALONE]}; then
+        comps=''
+    elif __contains_word "$verb" ${VERBS[IMAGE]}; then
+        if [[ $n == 1 ]]; then
+            comps=$( compgen -A file -- "$cur" )
+            compopt -o filenames
+        else
+            comps=''
+        fi
+    elif __contains_word "$verb" ${VERBS[IMAGES]}; then
+        comps=$( compgen -A file -- "$cur" )
+        compopt -o filenames
+    elif __contains_word "$verb" ${VERBS[IMAGE_WITH_BOOL]}; then
+        if [[ $n == 1 ]]; then
+            comps=$( compgen -A file -- "$cur" )
+            compopt -o filenames
+        elif [[ $n == 2 ]]; then
+            comps='yes no'
+        else
+            comps=''
+        fi
+    fi
+
+    COMPREPLY=( $(compgen -o filenames -W '$comps' -- "$cur") )
+    return 0
+}
+
+complete -F _portablectl portablectl