[bug#40591] Add emacs-org-roam

[Alberto EFG <albertoefg@posteo.mx>]

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Hello.

Added emacs-org-roam. I used it all day, seems like  everything works.
guix size is around 0.2 MB

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From a112e0b9f57125ecc1ae0418734521722d87e27e Mon Sep 17 00:00:00 2001
From: Alberto Eleuterio Flores Guerrero <barbanegra+guix@posteo.mx>
Date: Sun, 12 Apr 2020 14:01:24 -0500
Subject: [PATCH] gnu: Add emacs-org-roam.

* gnu/packages/emacs-xyz.scm (emacs-org-roam): New variable.
---
 gnu/packages/emacs-xyz.scm | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index f55d1a5bf4..0f1c48be2e 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -67,6 +67,7 @@
 ;;; Copyright © 2020 6033fe7de85d <6033fe7de85d@airmail.cc>
 ;;; Copyright © 2020 John Soo <jsoo1@asu.edu>
 ;;; Copyright © 2020 Jérémy Korwin-Zmijowski <jeremy@korwin-zmijowski.fr>
+;;; Copyright © 2020 Alberto Eleuterio Flores Guerrero <barbanegra+guix@posteo.mx>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -22300,3 +22301,34 @@ conventions.")
       (description "Haskell-Snippets is a collection of YASnippet Haskell
 snippets for Emacs.")
       (license license:expat))))
+
+(define-public emacs-org-roam
+  (package
+   (name "emacs-org-roam")
+   (version "1.0.0")
+   (source
+    (origin
+     (method git-fetch)
+     (uri (git-reference
+           (url "https://github.com/jethrokuan/org-roam.git")
+           (commit "1433dbc31602c412914c71ecc81aa5dcf6b03daf")))
+     (file-name (git-file-name name version))
+     (sha256
+      (base32
+       "08pfa63k194dpk0y2gfa0nzn5lig81q0l9axkq5j4ibj6ifaap4a"))))
+   (build-system emacs-build-system)
+   (propagated-inputs
+    `(("emacs-company" ,emacs-company)
+      ("emacs-emacsql-sqlite" ,emacs-emacsql)
+      ("emacs-dash" ,emacs-dash)
+      ("emacs-f" ,emacs-f)
+      ("emacs-s" ,emacs-s)
+      ("emacs-org-ref" ,emacs-org-ref)))
+   (home-page "https://github.com/jethrokuan/org-roam")
+   (synopsis "Org-mode non-hierarchical notes")
+   (description "@code{emacs-org-roam} is a solution for taking
+non-hierarchical notes with @code{org-mode}.  Notes are captured
+without hierarchy and are connected by tags.  Notes can be found
+and created quickly.  Org-roam should also work as a plug-and-play
+ solution for anyone already using Org-mode for their personal wiki.")
+   (license license:gpl3)))
-- 
2.26.0