diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml

index 983145eb7489adb635928690e111a20675eff823..c0ae8d3702f30bde551d84936b6b3784fc831a7f 100644

--- a/.github/workflows/build.yml

+++ b/.github/workflows/build.yml

@@ -22,7 +22,7 @@ - macos-latest

 runs-on: ${{ matrix.os }}

 steps:

 - name: Checkout repository

•  uses: actions/checkout@v2.3.4
  

•  uses: actions/checkout@v2.3.5
  

 - name: Install nix

   uses: cachix/install-nix-action@v14

   with:

diff --git a/flake.lock b/flake.lock

index 639a2250235d478ca58c58b58630341d614c854e..92284b65ee14abfacfe658749370f9080917b33b 100644

--- a/flake.lock

+++ b/flake.lock

@@ -2,11 +2,11 @@ {

"nodes": {

 "nixpkgs": {

   "locked": {

•    "lastModified": 1635781173,
  

•    "narHash": "sha256-nTA2y2jIJiVj5RawHUNhlZUIy5J/Q2CA6YP4T1qBkLo=",
  

•    "lastModified": 1635808042,
  

•    "narHash": "sha256-kQg7LzPj+UQlCAgD0dJhJ88QdzduXwIyqnTLXScKBbY=",
  

     "owner": "NixOS",

     "repo": "nixpkgs",

•    "rev": "7053541084bf5ce2921ef307e5585d39d7ba8b3f",
  

•    "rev": "550dab224a26ec25e20e82c0c8bfc764e01b772e",
  

     "type": "github"

   },

   "original": {

diff --git a/pkgs/data/maps/vlasenko-maps/default.nix b/pkgs/data/maps/vlasenko-maps/default.nix

index b72e06810a46cd7a80a6f8a2d374ae52c738b993..2d573bd9d8c8a2ef1863a7d1f6f9ad93c966c9f9 100644

--- a/pkgs/data/maps/vlasenko-maps/default.nix

+++ b/pkgs/data/maps/vlasenko-maps/default.nix

@@ -7,7 +7,7 @@ version = "2020-10-17";

 src = fetchgdrive {

   id = "17DUaRG_qj_qgIZ5EuHOflaDCobO0pWlv";

•  sha256 = "1dmc02jg6pgqz05s61qwym4dgwx1qb43j0capzsaiyzbq9m4z99d";
  

•  hash = "sha256-AV9nGPtmbTUr8dH3xTXSfSLu6iehdhRgL02YKIRVZeQ=";
  

   name = "OV-Hib-Lov-${lib.replaceStrings [ "-" ] [ "" ] version}-1.03.zip";

 };

@@ -31,12 +31,12 @@ };

kamch = stdenvNoCC.mkDerivation rec {

 pname = "Kamch";

• version = "2021-01-18";

• version = "2021-05-10";

 src = fetchgdrive {

   id = "1JWpkJxdnfqBrFc9Hd_FxndNDLlGM-dj0";

•  sha256 = "1swvc8xzarh0nfb37w80ahsr0g14gyg3z0fp0jf4yhwwb9ima7f1";
  

•  name = "OV-Kamch-Draft.zip";
  

•  hash = "sha256-BAPUvt+xQD/LV9NljCE7lke2syFSRAdAe++JZn/orSU=";
  

•  name = "OV-Kamch-${lib.replaceStrings [ "-" ] [ "" ] version}-1.01.zip";
  

 };

 sourceRoot = ".";

@@ -63,8 +63,8 @@ version = "2021-02-15";

 src = fetchgdrive {

   id = "1CMMqgNoK92dIwxVpWQXkBR45P4dXP-o5";

•  sha256 = "04pvb8yf8qs1i6m7b1qs69nxjgc483z5z80mkmd610kmkbbpvvg6";
  

•  name = "OV-Kodar-Draft.zip";
  

•  hash = "sha256-C7+KmG8SQwm/q9J2ksgonzOUXPF2JPcvwVKWYbE2axA=";
  

•  name = "OV-Kodar-${lib.replaceStrings [ "-" ] [ "" ] version}-1.01.zip";
  

 };

 sourceRoot = ".";

diff --git a/pkgs/geospatial/sasplanet/bin.nix b/pkgs/geospatial/sasplanet/bin.nix

index 9a60d453acb9cd816d7b0fc1bf6a208c4c14dfd9..1df7ba86c3bf3d17f979a6ea2cfe54edb1af7c8a 100644

--- a/pkgs/geospatial/sasplanet/bin.nix

+++ b/pkgs/geospatial/sasplanet/bin.nix

@@ -17,7 +17,7 @@ sha256 = "sha256-Zz9//kVxqrNhDvgq3YNDRwRUd+mebFgVcXsSmEx1KzQ=";

};

extremum = fetchgdrive {

 id = "12PM_mEE8Xck036vXd5TAzPsUZeCnztJ5";

• sha256 = "1fx07haxwfz5x8kmw44aswjvf5d0sfgmi9lvycnnc405q4z7i4g9";

• hash = "sha256-6ZF4PsEFEGYt85umWJ/ToBW3JdeKEF4n6uU73hU8oLs=";

 name = "Extremum.zip";

};

in

@@ -27,7 +27,7 @@ version = "201212";

src = fetchurl {

 url = "http://www.sasgis.org/programs/sasplanet/SASPlanet_${version}.zip";

• sha256 = "0a6xg75fj4ap0yc3z8sk0vf09dpj75jrkl7v97i2ycy6dim66wi0";

• hash = "sha256-IHJjamzGMy/iSfvQmWU58rYE3AZToz+YB1cR6cp53Sg=";

};

nativeBuildInputs = [ unzip makeWrapper ];