Add emacs-flycheck-relint package

oni/packages/emacs.scm

@@ -253,6 +253,31 @@ See function `eldoc-cmake-enable'.
       (description "Simple refactoring, linting utilities for Emacs-Lisp.")
       (license license:gpl3+))))
 
+(define-public emacs-flycheck-relint
+  (let ((commit "84b66d364ba583c1d5173a326997d11c6946b463")
+        (revision "0"))
+    (package
+      (name "emacs-flycheck-relint")
+      (version (git-version "0.6" revision commit))
+      (source
+       (origin
+         (uri (git-reference
+               (url "https://github.com/purcell/flycheck-relint")
+               (commit commit)))
+         (method git-fetch)
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "04ypamfnfhw7ba6zd1k62xaxq91qbzfxx4n5nld74w2cyv3s645f"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-flycheck" ,emacs-flycheck)
+         ("emacs-relint" ,emacs-relint)))
+      (home-page "https://github.com/purcell/flycheck-relint")
+      (synopsis "Flycheck integration for `relint`, which checks regexps in emacs lisp")
+      (description "This library provides a Flycheck checker for rx and string regular expressions
+in Emacs Lisp files, using relint.")
+      (license license:gpl3+))))
+
 (define-public emacs-outli
   (let ((commit "f16f3ab90c5e4194b62f461e82f01709ae80f6e9")
         (revision "0"))