gnu: Add emacs-ebib.

* gnu/packages/emacs-xyz.scm (emacs-ebib): New variable.

gnu/packages/emacs-xyz.scm

@@ -57,6 +57,7 @@
 ;;; Copyright © 2019 Stephen Webber <montokapro@gmail.com>
 ;;; Copyright © 2019 Leo Prikler <leo.prikler@student.tugraz.at>
 ;;; Copyright © 2019 David Wilson <david@daviwil.com>
+;;; Copyright © 2020 Paul Garlick <pgarlick@tourbillion-technology.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -12524,6 +12525,38 @@ files to be expanded upon opening them.")
      "This package provides an Emacs library for parsing bib files.")
     (license license:gpl3+)))
 
+(define-public emacs-ebib
+  (let ((commit "99bd909f47f71e024ce324981109b73a50e82fba"))
+    (package
+      (name "emacs-ebib")
+      (version "2.21")
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/joostkremers/ebib.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "131vgl4d1j9s4055x88409w19q52x2m0x08b961hylp7yb5ljzgh"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-parsebib" ,emacs-parsebib)))
+      (home-page "http://joostkremers.github.io/ebib/")
+      (synopsis "BibTeX database manager for Emacs")
+      (description
+       "Ebib is a BibTeX database manager that runs in GNU Emacs.
+With Ebib you can create, sort and manage your .bib database files,
+all within Emacs.  It supports searching, multi-line field values and
+@@String and @@Preamble definitions.  Ebib integrates with (La)TeX
+mode, Org mode and other Emacs editing modes.")
+      ;; The Ebib source files are released under a BSD license with
+      ;; the exception of org-ebib.el, which is released under the GNU
+      ;; GPL.
+      (license (list license:bsd-3
+                     license:gpl3+)))))
+
 (define-public emacs-biblio
   (package
     (name "emacs-biblio")