From d9ebe400f8091efa7fa3be4430429fef5dd002cc Mon Sep 17 00:00:00 2001
From: Sandro <sandro.jaeckel@gmail.com>
Date: Thu, 28 Oct 2021 16:33:51 +0200
Subject: [PATCH] postgresqlPackages.timescaledb: add comment why refs/tags is
 used

---
 pkgs/servers/sql/postgresql/ext/timescaledb.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/servers/sql/postgresql/ext/timescaledb.nix b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
index dc66534cd8a1..19151dec39a1 100644
--- a/pkgs/servers/sql/postgresql/ext/timescaledb.nix
+++ b/pkgs/servers/sql/postgresql/ext/timescaledb.nix
@@ -16,6 +16,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner  = "timescale";
     repo   = "timescaledb";
+    # some branches are named like tags which confuses git
     rev    = "refs/tags/${version}";
     sha256 = "10c5qx8qq7gbs2pq56gn4nadbc8i6r28528hp2nqdg881yaiga3m";
   };