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

index c20b051e15b29bd8a0399799d7d72b27ecbeaab6..4f9240f107a9272f84c92902cf9233ec5a101470 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -128,15 +128,15 @@ },

 "embox": {

     "branch": "master",

     "builtin": false,

•    "date": "2020-11-18T07:20:42Z",
  

•    "date": "2020-11-23T10:25:13Z",
  

     "description": "Modular and configurable OS for embedded applications",

     "homepage": "http://embox.github.io",

     "owner": "embox",

     "repo": "embox",

•    "rev": "09e2818b6cac7d0f2898ba60405643954f61012a",
  

•    "sha256": "1s11hrfmyhw394zz7vfcaqq17qjpdwf5ad76jpm4sm8h3ig3kqc5",
  

•    "rev": "c9b8d24d5606177badcc682b75c0bae4416facf7",
  

•    "sha256": "1ky8kyh1pl33kfywkh3bmvcnlcny0h70vpb11q08wc26vcg15y06",
  

     "type": "tarball",

•    "url": "https://github.com/embox/embox/archive/09e2818b6cac7d0f2898ba60405643954f61012a.tar.gz",
  

•    "url": "https://github.com/embox/embox/archive/c9b8d24d5606177badcc682b75c0bae4416facf7.tar.gz",
  

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

 },

 "foma": {

@@ -170,15 +170,15 @@ },

 "gef": {

     "branch": "dev",

     "builtin": false,

•    "date": "2020-11-18T00:17:48Z",
  

•    "date": "2020-11-23T19:38:57Z",
  

     "description": "GEF - GDB Enhanced Features for exploit devs & reversers",

     "homepage": "http://gef.rtfd.io",

     "owner": "hugsy",

     "repo": "gef",

•    "rev": "b6d892630d45facc01b05d9ffb0625299f2b8157",
  

•    "sha256": "15f6b9zg9vwkm62kh5vzy013z1px9mxgnyqan9wmi6z2hgzf8q1g",
  

•    "rev": "f5b10c07c53b16c9ce3cadda99101e70b340299b",
  

•    "sha256": "1vx1ihgz7aska3fj18jawb4w1jppfq0qj5z31m9ss8f050xdi0zm",
  

     "type": "tarball",

•    "url": "https://github.com/hugsy/gef/archive/b6d892630d45facc01b05d9ffb0625299f2b8157.tar.gz",
  

•    "url": "https://github.com/hugsy/gef/archive/f5b10c07c53b16c9ce3cadda99101e70b340299b.tar.gz",
  

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

 },

 "geminid": {

@@ -335,15 +335,15 @@ "gpxsee": {

     "branch": "master",

     "builtin": false,

     "changelog": "https://build.opensuse.org/package/view_file/home:tumic:GPXSee/gpxsee/gpxsee.changes",

•    "date": "2020-11-15T21:38:22Z",
  

•    "date": "2020-11-23T21:28:18Z",
  

     "description": "GPS log file viewer and analyzer",

     "homepage": "https://www.gpxsee.org",

     "owner": "tumic0",

     "repo": "GPXSee",

•    "rev": "baf574b68bc93844cd01981fda1dd9d2e1c04973",
  

•    "sha256": "0w5h5p637bv6zy7z39ym6mi2bil7xvr17jxl4mnlmmg9h3v9kvwr",
  

•    "rev": "50c43dc0b76adca615da2c828345e900aba9909b",
  

•    "sha256": "1clvqqc76jr2ccz4kqcb0siv5n5hy9i1iwyxskrszqhwriizd53s",
  

     "type": "tarball",

•    "url": "https://github.com/tumic0/GPXSee/archive/baf574b68bc93844cd01981fda1dd9d2e1c04973.tar.gz",
  

•    "url": "https://github.com/tumic0/GPXSee/archive/50c43dc0b76adca615da2c828345e900aba9909b.tar.gz",
  

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

 },

 "gpxsee-maps": {

@@ -870,15 +870,15 @@ },

 "stardict-3": {

     "branch": "master",

     "builtin": false,

•    "date": "2020-11-19T06:00:31Z",
  

•    "date": "2020-11-23T07:15:10Z",
  

     "description": "Automatically exported from code.google.com/p/stardict-3",

     "homepage": "https://github.com/huzheng001/stardict-3",

     "owner": "huzheng001",

     "repo": "stardict-3",

•    "rev": "87e3384be802005d7be5aae59a297adaf84def30",
  

•    "sha256": "0p100bzjzclcg3hvwml9z300cdhsgad5jy3g7940saalmi18pzla",
  

•    "rev": "2e5601b7a56ba586a0aba64d779176f7b063a358",
  

•    "sha256": "0z4cxmx0bdnjm8a305740dv9ykf7m26l6nx2fi563rqn82h599yx",
  

     "type": "tarball",

•    "url": "https://github.com/huzheng001/stardict-3/archive/87e3384be802005d7be5aae59a297adaf84def30.tar.gz",
  

•    "url": "https://github.com/huzheng001/stardict-3/archive/2e5601b7a56ba586a0aba64d779176f7b063a358.tar.gz",
  

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

 },

 "supermercado": {

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

index 249a2dae86fb9e3a955656d45307567dbf502779..41cbdc8855d725e7c162a3d2eeedd34c2666ce9c 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -91,6 +91,7 @@ gef = callPackage ./development/tools/gef { };

 kiln = callPackage ./development/tools/kiln { };

 how-to-use-pvs-studio-free = callPackage ./development/tools/pvs-studio/how-to-use-pvs-studio-free.nix { };

 pvs-studio = callPackage ./development/tools/pvs-studio { };

• xtr = callPackage ./development/tools/xtr { };

 ### DEVELOPMENT / LIBRARIES

@@ -199,6 +200,7 @@

 ### SERVERS

 dict2rest = callPackage ./servers/dict2rest { };

• elevation_server = callPackage ./servers/elevation_server { };

 geminid = callPackage ./servers/geminid { };

 glauth = callPackage ./servers/glauth { };

 nakarte = callPackage ./servers/nakarte { };