From 5b485337cf5a5c5144de5be11f1a74380aae6766 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Thu, 3 Jun 2021 03:25:20 +0200
Subject: [PATCH 1/2] tzdata: 2020f -> 2021a

---
 pkgs/data/misc/tzdata/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/data/misc/tzdata/default.nix b/pkgs/data/misc/tzdata/default.nix
index 7ab25da3cc43..01500b96682c 100644
--- a/pkgs/data/misc/tzdata/default.nix
+++ b/pkgs/data/misc/tzdata/default.nix
@@ -2,16 +2,16 @@
 
 stdenv.mkDerivation rec {
   pname = "tzdata";
-  version = "2020f";
+  version = "2021a";
 
   srcs =
     [ (fetchurl {
         url = "https://data.iana.org/time-zones/releases/tzdata${version}.tar.gz";
-        sha256 = "10b8cr55x6ji14n3kqkn3avj1s9b79b8gszh81fxrrisij8k248j";
+        sha256 = "022fn6gkmp7pamlgab04x0dm5hnyn2m2fcnyr3pvm36612xd5rrr";
       })
       (fetchurl {
         url = "https://data.iana.org/time-zones/releases/tzcode${version}.tar.gz";
-        sha256 = "1i998crd9fxdfhv4jd241j1arx0ng7j7cvczpmj4y5j5fwmfmvng";
+        sha256 = "1l02b0jiwp3fl0xd6227i69d26rmx3yrnq0ssq9vvdmm4jhvyipb";
       })
     ];
 

From 99b4d189e2d58e32984e42de75651d2b24f49abc Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Thu, 3 Jun 2021 14:35:04 +0200
Subject: [PATCH 2/2] tzdata: add licenses

https://github.com/eggert/tz/blob/main/LICENSE
---
 pkgs/data/misc/tzdata/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/data/misc/tzdata/default.nix b/pkgs/data/misc/tzdata/default.nix
index 01500b96682c..aa3d9e787b68 100644
--- a/pkgs/data/misc/tzdata/default.nix
+++ b/pkgs/data/misc/tzdata/default.nix
@@ -68,6 +68,10 @@ stdenv.mkDerivation rec {
     homepage = "http://www.iana.org/time-zones";
     description = "Database of current and historical time zones";
     changelog = "https://github.com/eggert/tz/blob/${version}/NEWS";
+    license = with licenses; [
+      bsd3 # tzcode
+      publicDomain # tzdata
+    ];
     platforms = platforms.all;
     maintainers = with maintainers; [ fpletz ];
   };