iso-flags: init at unstable-18012020

Co-authored-by: Jan Tojnar <jtojnar@gmail.com>

pkgs/data/icons/iso-flags/default.nix

@@ -0,0 +1,47 @@
+{ stdenv
+, fetchFromGitHub
+, perl
+, perlPackages
+, inkscape
+, pngcrush
+, librsvg
+, targets ? [ "all" ]
+}:
+
+stdenv.mkDerivation {
+  pname = "iso-flags";
+  version = "unstable-18012020";
+
+  src = fetchFromGitHub {
+    owner = "joielechong";
+    repo = "iso-country-flags-svg-collection";
+    rev = "9ebbd577b9a70fbfd9a1931be80c66e0d2f31a9d";
+    sha256 = "17bm7w4md56xywixfvp7vr3d6ihvxk3383i9i4rpmgm6qa9dyxdl";
+  };
+
+  nativeBuildInputs = [
+    perl
+    inkscape
+    librsvg
+    (perl.withPackages(pp: with pp; [ JSON XMLLibXML ]))
+  ];
+
+  postPatch = ''
+    patchShebangs .
+  '';
+
+  buildFlags = targets;
+
+  installPhase = ''
+    mkdir -p $out/share
+    mv build $out/share/iso-flags
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/joielechong/iso-country-flags-svg-collection";
+    description = "248 country flag SVG & PNG icons with different icon styles";
+    license = [ licenses.publicDomain ];
+    platforms = platforms.linux; # the output assets should work anywhere, but unsure about the tools to build them...
+    maintainers = [ maintainers.mkg20001 ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -12937,6 +12937,8 @@ in
 
   isocodes = callPackage ../development/libraries/iso-codes { };
 
+  iso-flags = callPackage ../data/icons/iso-flags { };
+
   ispc = callPackage ../development/compilers/ispc {
     stdenv = llvmPackages_10.stdenv;
     llvmPackages = llvmPackages_10;