[bug#28815] [PATCH 1/2] gnu: Add emacs-julia-mode.

[Kyle Meyer]

* gnu/packages/emacs.scm (emacs-julia-mode): New variable.
---

This definition hard codes the commit because the package version hasn't
changed since it was initially added in 2014.  I've opened an issue to see if
they'll tag a release:

    https://github.com/JuliaEditorSupport/julia-emacs/issues/46

 gnu/packages/emacs.scm | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 24dfd97ff..a4812ee33 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -3321,6 +3321,38 @@ that highlights non-conforming text.  The subset of the 
English language called
 E-Prime forbids the use of the \"to be\" form to strengthen your writing.")
       (license license:gpl3+))))
 
+(define-public emacs-julia-mode
+  (let ((commit "115d4dc8a07445301772da8376b232fa8c7168f4")
+        (revision "1"))
+    (package
+      (name "emacs-julia-mode")
+      (version (string-append "0.3-" revision "." (string-take commit 8)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/JuliaEditorSupport/julia-emacs.git";)
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1is4dcv6blslpzbjcg8l2jpxi8xj96q4cm0nxjxsyswpm8bw8ki0"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-before 'install 'check
+             (lambda _
+               (zero? (system* "emacs" "-batch"
+                               "-l" "julia-mode.el"
+                               "-l" "julia-mode-tests.el"
+                               "-f" "ert-run-tests-batch-and-exit")))))))
+      (home-page "https://github.com/JuliaEditorSupport/julia-emacs";)
+      (synopsis "Major mode for Julia")
+      (description "This Emacs package provides a mode for the Julia
+programming language.")
+      (license license:expat))))
+
 (define-public emacs-ess
   (package
     (name "emacs-ess")
-- 
2.14.2