systemd-resolve: initial shell completion

v2:
- use /sys/class/net to list interfaces,
  also copy the same code to systemd-nspawn
v3:
- do not propose "any" twice for --type

1 files changed, 64 insertions, 0 deletions

diff --git a/shell-completion/zsh/_systemd-resolve b/shell-completion/zsh/_systemd-resolve
new file mode 100644
index 0000000000..c318ab50f1
--- /dev/null
+++ b/shell-completion/zsh/_systemd-resolve
@@ -0,0 +1,64 @@
+#compdef systemd-resolve
+
+#
+# This file is part of systemd.
+#
+# Copyright 2016 Zbigniew Jędrzejewski-Szmek
+#
+# 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/>.
+
+_dns_protocol() {
+    local -a _protocol
+    _protocol=( $(_call_program protocol ${service} --legend=no --protocol help; echo help) )
+    _values 'protocol' "$_protocol[@]"
+}
+
+_dns_type() {
+    local -a _type
+    _type=( $(_call_program type ${service} --legend=no --type help; echo help) )
+    _values 'type' "$_type[@]"
+}
+
+_dns_class() {
+    local -a _class
+    _class=( $(_call_program class ${service} --legend=no --class help; echo help) )
+    _values 'class' "$_class[@]"
+}
+
+_systemd-resolve_none() {
+    _alternative : \
+        'domain:DNS address:' \
+        'address:email address:'
+}
+
+_arguments \
+    {-h,--help}'[Print a short help text and exit]' \
+    '--version[Print a short version string and exit]' \
+    '--legend=no[Do not show headers and footers]' \
+    '-4[Resolve IPv4 addresses]' \
+    '-6[Resolve IPv6 addresses]' \
+    {-i+,--interface=}'[Look on interface]:interface:_net_interfaces' \
+    {-p+,--protocol=}'[Look via protocol]:protocol:_dns_protocol' \
+    {-t+,--type=}'[Query RR with DNS type]:type:_dns_type' \
+    {-c+,--class=}'[Query RR with DNS class]:class:_dns_class' \
+    '--service[Resolve services]' \
+    '--service-address=no[Do not resolve address for services]' \
+    '--service-txt=no[Do not resolve TXT records for services]' \
+    '--openpgp[Query OpenPGP public key]' \
+    '--tlsa[Query TLS public key]' \
+    '--cname=no[Do not follow CNAME redirects]' \
+    '--search=no[Do not use search domains]' \
+    '--statistics[Show resolver statistics]' \
+    '--reset-statistics[Reset resolver statistics]' \
+    '*::default: _systemd-resolve_none'