gnu: Add cl-modularize-hooks.

* gnu/packages/lisp-xyz.scm (cl-modularize-hooks, ecl-modularize-hooks,
  sbcl-modularize-hooks): New variables.

Signed-off-by: Guillaume Le Vaillant <glv@posteo.net>

gnu/packages/lisp-xyz.scm

@@ -9787,6 +9787,40 @@ tie modules together in functionality, hook into each other and so on.")
 (define-public cl-modularize
   (sbcl-package->cl-source-package sbcl-modularize))
 
+(define-public sbcl-modularize-hooks
+  (let ((commit "e0348ed3ffd59a9ec31ca4ab28289e748bfbf96a")
+        (revision "1"))
+    (package
+      (name "sbcl-modularize-hooks")
+      (version (git-version "1.0.2" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/Shinmera/modularize-hooks")
+               (commit commit)))
+         (file-name (git-file-name "modularize-hooks" version))
+         (sha256
+          (base32 "12kjvin8hxidwkzfb7inqv5b6g5qzcssnj9wc497v2ixc56fqdz7"))))
+      (build-system asdf-build-system/sbcl)
+      (inputs
+       `(("closer-mop" ,sbcl-closer-mop)
+         ("lambda-fiddle" ,sbcl-lambda-fiddle)
+         ("modularize" ,sbcl-modularize)
+         ("trivial-arguments" ,sbcl-trivial-arguments)))
+      (home-page "https://shinmera.github.io/modularize-hooks/")
+      (synopsis "Programmatical interfaces extension for Modularize")
+      (description
+       "This is a simple extension to @code{MODULARIZE} that allows modules to
+define and trigger hooks, which other modules can hook on to.")
+      (license license:zlib))))
+
+(define-public ecl-modularize-hooks
+  (sbcl-package->ecl-package sbcl-modularize-hooks))
+
+(define-public cl-modularize-hooks
+  (sbcl-package->cl-source-package sbcl-modularize-hooks))
+
 (define-public sbcl-moptilities
   (let ((commit "a436f16b357c96b82397ec018ea469574c10dd41"))
     (package