shell-completion: fix systemctl set/unset/import-environment

unset-environment is completed with variable names in the environment block.
set-environment the same, but suffixed with "=".
import-environment is completed with variable names in the client environment.

1 files changed, 5 insertions, 0 deletions

diff --git a/shell-completion/zsh/_systemctl.in b/shell-completion/zsh/_systemctl.in
index 4830aeba5f..22c40898e3 100644
--- a/shell-completion/zsh/_systemctl.in
+++ b/shell-completion/zsh/_systemctl.in
@@ -365,6 +365,11 @@ for fun in set-environment unset-environment ; do
     }
 done
 
+(( $+functions[_systemctl_import-environment] )) || _systemctl_import-environment()
+{
+    _parameters
+}
+
 (( $+functions[_systemctl_link] )) || _systemctl_link() {
         _sd_unit_files
     }