From 775373b872df7b2e00232e72715dda0ada89e876 Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Sun, 24 Nov 2019 23:57:52 +0200
Subject: [PATCH] gnu: coq-bignums: Don't use unstable tarball.

* gnu/pacakges/coq.scm (coq-bignums)[source]: Download using git-fetch.
---
 gnu/packages/coq.scm | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/gnu/packages/coq.scm b/gnu/packages/coq.scm
index 2c5674f57a..75b9831d39 100644
--- a/gnu/packages/coq.scm
+++ b/gnu/packages/coq.scm
@@ -377,13 +377,14 @@ theorems between the two libraries.")
     (name "coq-bignums")
     (version "8.9.0")
     (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/coq/bignums/archive/V"
-                                  version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
+              (method git-fetch)
+              (uri (git-reference
+                     (url "https://github.com/coq/bignums.git")
+                     (commit (string-append "V" version))))
+              (file-name (git-file-name name version))
               (sha256
                (base32
-                "0pmk9smw7a14wrfkvjlvmpxim4bsv6xnm5xkrlld2faqy74a044g"))))
+                "03qz1w2xb2j5p06liz5yyafl0fl9vprcqm6j0iwi7rxwghl00p01"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("ocaml" ,ocaml)