From 35b34e325dcc109f759cbd06434a1fb3fd31b178 Mon Sep 17 00:00:00 2001
From: AndersonTorres <torres.anderson.85@protonmail.com>
Date: Tue, 14 Sep 2021 17:49:23 -0300
Subject: [PATCH] emacsPackages.jam-mode: cosmetic changes

---
 .../emacs/elisp-packages/jam-mode/default.nix       | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/editors/emacs/elisp-packages/jam-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/jam-mode/default.nix
index 0fd698ad2c16..09b7877c9deb 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/jam-mode/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/jam-mode/default.nix
@@ -1,16 +1,23 @@
-{ trivialBuild, lib, fetchurl }:
+{ lib
+, trivialBuild
+, fetchurl
+}:
 
 trivialBuild rec {
   pname = "jam-mode";
   version = "0.3";
 
   src = fetchurl {
-    url = "https://dev.gentoo.org/~ulm/distfiles/jam-mode-${version}.el.xz";
-    sha256 = "1jchgiy2rgvnb3swr6ar72yas6pj4inpgpcq78q01q6snflmi2fh";
+    url = "https://dev.gentoo.org/~ulm/distfiles/${pname}-${version}.el.xz";
+    hash = "sha256-0IlYqbPa4AAwOpjdd20k8hqtvDhZmcz1WHa/LHx8kMk=";
   };
 
   unpackPhase = ''
+    runHook preUnpack
+
     xz -cd $src > jam-mode.el
+
+    runHook postUnpack
   '';
 
   meta = with lib; {