zsh: update

.config/zsh/completion/external.zsh

@@ -1,9 +1,28 @@
 #!/bin/zsh
 
-__z_comp__kubectl() { command kubectl completion zsh ; }
-__z_comp__podman() { command podman completion zsh ; }
+typeset -A ZSHU_COMP_EXTERNAL
 
-for i ( kubectl podman ) ; do
-    __z_comp_external $i "__z_comp__$i"
+for i ( kubectl podman skopeo docker ) ; do
+    ZSHU_COMP_EXTERNAL[$i]="command $i completion zsh"
 done ; unset i
-unset -fm '__z_comp__*'
+# ZSHU_COMP_EXTERNAL[yq]='command yq shell-completion zsh'
+## example of "automatic" shell completion generation
+__z_comp_ext__yq() { command yq shell-completion zsh ; }
+
+## example of more complex shell completion generation
+# __z_comp__shifty_nifty() { command shifty-nifty completion zsh | sed -E 's/shifty_nifty/shifty-nifty/g' ; }
+# ZSHU_COMP_EXTERNAL[shifty-nifty]='__z_comp__shifty_nifty'
+
+z-comp-auto() {
+    local c f
+
+    for c ( ${(k)ZSHU_COMP_EXTERNAL} ) ; do
+        __z_comp_external "$c" "${(@s: :)ZSHU_COMP_EXTERNAL[$c]}" && unset "ZSHU_COMP_EXTERNAL[$c]"
+    done
+
+    for f ( ${functions[(I)__z_comp_ext__*]} ) ; do
+        c=${f#__z_comp_ext__}
+        __z_comp_external $c $f && unset -f "$f"
+    done
+}
+z-comp-auto