gnu: Add cl-tripod.

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

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

gnu/packages/lisp-xyz.scm

@@ -391,6 +391,45 @@ Features:
 (define-public ecl-cl-irc
   (sbcl-package->ecl-package sbcl-cl-irc))
 
+(define-public sbcl-tripod
+  (let ((commit "bcea16610b4961a927e417e4413fffe686d71c83")
+        (revision "0"))
+    (package
+      (name "sbcl-tripod")
+      (version (git-version "0.0.1" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/aartaka/tripod")
+               (commit commit)))
+         (file-name (git-file-name "cl-tripod" version))
+         (sha256
+          (base32 "07czbwzfqg8n1q4dsfmrdp2zmp90xgsg8q26hkrniyvkylq4nn1z"))))
+      (build-system asdf-build-system/sbcl)
+      (inputs
+        (list sbcl-alexandria
+              sbcl-cl-gopher
+              sbcl-cl-markdown
+              sbcl-clss
+              sbcl-hunchentoot
+              sbcl-phos
+              sbcl-plump
+              sbcl-trivial-mimes))
+      (home-page "https://aartaka.me/blog/tripod")
+      (synopsis "Common Lisp web server aiming to ease website hosting")
+      (description
+       "Tripod is a Common Lisp web server aiming to ease plain text, HTML,
+and Gopher website hosting.")
+      (license license:bsd-2))))
+
+(define-public cl-tripod
+  (sbcl-package->cl-source-package sbcl-tripod))
+
+(define-public ecl-tripod
+  (sbcl-package->ecl-package sbcl-tripod))
+
+
 (define-public sbcl-trivial-timeout
   (let ((commit "feb869357f40f5e109570fb40abad215fb370c6c")
         (revision "1"))