gnu: Add gnome-shell-extension-dash-to-dock.

* gnu/packages/gnome-xyz.scm: (gnome-shell-extension-dash-to-dock):
New variable.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>

gnu/packages/gnome-xyz.scm

@@ -58,3 +58,40 @@ (define-public delft-icon-theme
 which haven't been updated for some years.  The new app icons are ported from
 the Obsidian icon theme.")
     (license license:gpl3)))
+
+(define-public gnome-shell-extension-dash-to-dock
+  (package
+    (name "gnome-shell-extension-dash-to-dock")
+    (version "65")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/micheleg/dash-to-dock.git")
+                    (commit (string-append "extensions.gnome.org-v"
+                                           version))))
+              (sha256
+               (base32
+                "0ln49l9s0yfl30pi77pz7xlmh63l9vjppi863kry5lay10dsvz47"))
+              (file-name (git-file-name name version))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:tests? #f
+       #:make-flags (list (string-append "INSTALLBASE="
+                                         (assoc-ref %outputs "out")
+                                         "/share/gnome-shell/extensions"))
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'bootstrap)
+         (delete 'configure))))
+    (native-inputs
+     `(("intltool" ,intltool)
+       ("pkg-config" ,pkg-config)))
+    (propagated-inputs
+     `(("glib" ,glib)
+       ("glib" ,glib "bin")))
+    (synopsis "Transforms GNOME's dash into a dock")
+    (description "This extension moves the dash out of the
+overview, transforming it into a dock for easier application launching and
+faster window switching.")
+    (home-page "https://micheleg.github.io/dash-to-dock/")
+    (license license:gpl2+)))