home-services: shells: Add declared plugins to the user's home profile

radix/home/services/shells.scm

@@ -67,8 +67,12 @@
 (define fish-env-vars? alist?)
 (define fish-aliases? alist?)
 
+(define (fish-plugin? x)
+  (and (package? x)
+       (string-prefix? "fish-" (package-name x))))
+
 (define fish-plugins?
-  (list-of package?))
+  (list-of fish-plugin?))
 
 (define (serialize-fish-abbreviations field-name val)
   #~(string-append
@@ -153,7 +157,8 @@ end\n\n")
         home-fish-configuration-fields)))))
 
 (define (fish-profile-service config)
-  (list (home-fish-configuration-package config)))
+  (cons* (home-fish-configuration-package config)
+         (home-fish-configuration-plugins config)))
 
 (define-configuration/no-serialization home-fish-extension
   (config