From de388b69be8937beb583e3b91ae878e0257cca12 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 20 May 2017 11:00:45 +0200
Subject: [PATCH] git-annex: force a fetchgit re-fetch when the version number
 changes

Bake the version number of git-annex into the name of the fetchgit derivation
to mitigate the effects of https://github.com/NixOS/nixpkgs/issues/25755.
---
 pkgs/development/haskell-modules/configuration-common.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 2caa10a8411..838f73ef13c 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -64,6 +64,7 @@ self: super: {
   # https://git-annex.branchable.com/bugs/bash_completion_file_is_missing_in_the_6.20160527_tarball_on_hackage/
   git-annex = ((overrideCabal super.git-annex (drv: {
     src = pkgs.fetchgit {
+      name = "git-annex-${drv.version}-src";
       url = "git://git-annex.branchable.com/";
       rev = "refs/tags/" + drv.version;
       sha256 = "0i08zxk68kbg6k0d9af97r9nr5vidsy63hx22fdp7c5jp64f967q";