diff --git a/nix/sources.json b/nix/sources.json

index c875630dcfc97e8e28d09bb09239ec26fd509741..919daf79b63ffd3238724661b43f47df52782d5f 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -331,6 +331,20 @@ "type": "tarball",

     "url": "https://github.com/flopp/go-staticmaps/archive/4aa39a44ead69856a813688e09389ddac059de29.tar.gz",

     "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"

 },

• "gpx-interpolate": {

•    "branch": "master",
  

•    "builtin": false,
  

•    "date": "2021-01-24T21:39:05Z",
  

•    "description": "Python script to interpolate GPX files using linear or spline interpolation",
  

•    "homepage": "https://github.com/remisalmon/gpx_interpolate",
  

•    "owner": "remisalmon",
  

•    "repo": "gpx_interpolate",
  

•    "rev": "24236e45e3d8baa0662c329b735b79a17e84c1bd",
  

•    "sha256": "0gi8xq7gsmi1a6gbp4d0a0h6ys2jpf0b1fys3ggph5gqf47h9pvc",
  

•    "type": "tarball",
  

•    "url": "https://github.com/remisalmon/gpx_interpolate/archive/24236e45e3d8baa0662c329b735b79a17e84c1bd.tar.gz",
  

•    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
  

• },

 "gpx-layer": {

     "branch": "master",

     "builtin": false,

diff --git a/pkgs/default.nix b/pkgs/default.nix

index 21a60b9fb29b3f7a09160f616b42b37aa2b6c9a6..1403670e97a03be965da3401f2eb14b7ef02b8fb 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -144,6 +144,7 @@ click = click-6-7;

 };

 fx-bin = callPackage ./tools/text/fx/bin.nix { };

 go-staticmaps = callPackage ./tools/geo/go-staticmaps { };

• gpx-interpolate = callPackage ./tools/geo/gpx-interpolate { };

 gpx-layer = perlPackages.callPackage ./tools/geo/gpx-layer {

   inherit sources;

 };

diff --git a/pkgs/tools/geo/gpx-interpolate/default.nix b/pkgs/tools/geo/gpx-interpolate/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..a9071372cc4fa8aa0f26d1ce9e6723f53a320d2f

--- /dev/null

+++ b/pkgs/tools/geo/gpx-interpolate/default.nix

@@ -0,0 +1,27 @@

+{ lib, python3Packages, sources }:

+python3Packages.buildPythonApplication {

• pname = "gpx_interpolate";

• version = lib.substring 0 10 sources.gpx-interpolate.date;

• src = sources.gpx-interpolate;

• propagatedBuildInputs = with python3Packages; [ gpxpy scipy numpy ];

• dontUseSetuptoolsBuild = true;

• checkPhase = ''

• ${python3Packages.python.interpreter} -m doctest -o IGNORE_EXCEPTION_DETAIL -f test/test.txt

• '';

• installPhase = ''

• install -Dm755 gpx_interpolate.py $out/bin/gpx_interpolate

• '';

• meta = with lib; {

• inherit (sources.gpx-interpolate) description homepage;

• license = licenses.mit;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.unix;

• };

+}