1 files changed, 80 insertions, 0 deletions
diff --git a/shell-completion/bash/systemd-resolve b/shell-completion/bash/systemd-resolve
new file mode 100644
index 0000000..20d904a
--- /dev/null
+++ b/shell-completion/bash/systemd-resolve
@@ -0,0 +1,80 @@
+# systemd-resolve(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_interfaces(){
+    local name
+    for name in $(cd /sys/class/net && command ls); do
+        [[ "$name" != "lo" ]] && echo "$name"
+    done
+}
+
+_systemd-resolve() {
+    local i comps
+    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
+    local -A OPTS=(
+        [STANDALONE]='-h --help --version --no-pager -4 -6
+                      --service --openpgp --tlsa --status --statistics
+                      --reset-statistics --service-address=no --service-txt=no
+                      --cname=no --search=no --legend=no --flush-caches
+                      --reset-server-features --revert'
+        [ARG]='-i --interface -p --protocol -t --type -c --class --raw
+                      --set-dns --set-domain --set-llmnr --set-mdns --set-dnssec --set-nta'
+    )
+
+    if __contains_word "$prev" ${OPTS[ARG]}; then
+        case $prev in
+            --interface|-i)
+                comps=$( __get_interfaces )
+                ;;
+            --protocol|-p|--type|-t|--class|-c)
+                comps=$( systemd-resolve --legend=no "$prev" help; echo help )
+                ;;
+            --raw)
+                comps="payload packet"
+                ;;
+            --set-dns|--set-domain|--set-nta)
+                comps=""
+                ;;
+            --set-llmnr|--set-mdns)
+                comps="yes no resolve"
+                ;;
+            --set-dnssec)
+                comps="yes no allow-downgrade"
+                ;;
+            --set-dnsovertls)
+                comps="yes no opportunistic"
+                ;;
+        esac
+        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
+        return 0
+    fi
+
+    if [[ "$cur" = -* ]] || [[ -z ${comps-} ]]; then
+        COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
+        return 0
+    fi
+}
+
+complete -F _systemd-resolve systemd-resolve