gnu: Add guile-pipe.

* gnu/packages/guile-xyz.scm (guile-pipe): New variable.

Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>

gnu/packages/guile-xyz.scm

@@ -256,6 +256,33 @@ (define-public artanis
     (home-page "https://www.gnu.org/software/artanis/")
     (license (list license:gpl3+ license:lgpl3+)))) ;dual license
 
+;; There are no releases yet of this package.
+(define-public guile-pipe
+  (let ((commit "0746ec38d19d844dff0c6f62f209b2b6c8d8872e")
+        (revision "0"))
+    (package
+      (name "guile-pipe")
+      (version (git-version "0.0.0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/joshwalters/guile-pipe")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "038gwrhfywgs8372q478wn4623lhcmkknfj4p8yaa93bykfc0fml"))))
+      (build-system guile-build-system)
+      (native-inputs
+       `(("guile" ,guile-3.0)))
+      (home-page "https://github.com/joshwalters/guile-pipe")
+      (synopsis "Guile pipe macros for functional chaining")
+      (description
+       "This package provides macros for functional chaining in Guile, similar
+to UNIX pipes (@code{|}), Clojure's threading macros (@code{->} and
+@code{->>}).")
+      (license license:gpl3+))))
+
 (define-public guile-f-scm
   (package
     (name "guile-f-scm")