shell-completion: systemd-analyze verify, systemctl link

Some zsh completion helpers were not installed, so completion
was broken.

Add systemd-analyze verify. Make systemctl link complete only
unit names.

1 files changed, 9 insertions, 0 deletions

diff --git a/shell-completion/zsh/_sd_unit_files b/shell-completion/zsh/_sd_unit_files
new file mode 100644
index 0000000000..4778a0420d
--- /dev/null
+++ b/shell-completion/zsh/_sd_unit_files
@@ -0,0 +1,9 @@
+#autoload
+
+_sd_unit_files() {
+    local files expl
+    files=( '*:files:->files' )
+
+    _description files expl 'unit file'
+    _files "$expl[@]" -g '*.(automount|busname|device|mount|path|service|snapshot|socket|swap|target|timer)'
+}