[PATCH] gnu: Build and install xonsh docs.

[Danny Milosavljevic]

* gnu/packages/shells.scm (xonsh): Changed.
---
 gnu/packages/shells.scm | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/shells.scm b/gnu/packages/shells.scm
index 6d510c2..99d1f3e 100644
--- a/gnu/packages/shells.scm
+++ b/gnu/packages/shells.scm
@@ -291,10 +291,11 @@ ksh, and tcsh.")
     (source
       (origin
         (method url-fetch)
-        (uri (pypi-uri "xonsh" version))
+        (uri (string-append "https://github.com/xonsh/xonsh/archive/";
+                            version ".tar.gz"))
         (sha256
           (base32
-            "0byxd9kjl99q2pyvjh9jy18l0di1i35wr0qqgnw4i6jh6ig3zcki"))
+            "0v0l3bpyxh2fyhybycjr22sh9v0ggswgmbm9gsyf7yvkrcr5fqzr"))
         (modules '((guix build utils)))
         (snippet
          `(begin
@@ -304,8 +305,30 @@ ksh, and tcsh.")
               (("'xonsh\\.ply',") ""))
             #t))))
     (build-system python-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'build 'build-docs
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               ;; Make it find "xonsh" module
+               (setenv "PYTHONPATH" (string-append (getcwd) ":" (getenv 
"PYTHONPATH")))
+               (zero? (system* "make" "-C" "docs" "html")))))
+         (add-after 'install 'install-docs
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (docout (string-append out "/share/doc/xonsh")))
+               (mkdir-p docout)
+               (copy-recursively "docs/_build/html" docout)))))))
+    (native-inputs
+     `(("python-numpydoc" ,python-numpydoc)
+       ("python-sphinx" ,python-sphinx)
+       ("python-sphinx-cloud-sptheme"
+        ,python-sphinx-cloud-sptheme)))
     (inputs
-     `(("python-ply" ,python-ply)))
+      ;; TODO jupyter distro
+     `(("python-ply" ,python-ply)
+       ("python-prompt-toolkit" ,python-prompt-toolkit)))
     (home-page "http://xon.sh/";)
     (synopsis "Python-ish shell")
     (description