add obs, etc

pkgs/beos-r5-icons/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenvNoCC, fetchFromGitHub }:
+
+stdenvNoCC.mkDerivation {
+  pname = "beos-r5-icons";
+  version = "2021-03-24";
+
+  src = fetchFromGitHub {
+    owner = "jcherven";
+    repo = "BeOS-r5-Icons";
+    rev = "1c1067eabaeb0196c12606ac19b2aed4496bc15e";
+    hash = "sha256-6qnOWMdwgK9tKifHXSF6s1KjHkdIG/jnM9Te43cVOjo=";
+  };
+
+  installPhase = ''
+    mkdir -p $out/share/icons/BeOS-r5
+    cp -pr * $out/share/icons/BeOS-r5/
+    # Remove broken symlinks (icon theme has some dangling links)
+    find $out/share/icons/BeOS-r5 -type l -not -exec test -e {} \; -delete
+    rm -f $out/share/icons/BeOS-r5/screenshot.png
+    rm -f $out/share/icons/BeOS-r5/.icon-theme.cache
+  '';
+
+  meta = with lib; {
+    description = "Classic BeOS r5 icons for Linux desktops";
+    longDescription = ''
+      A large collection of BeOS & period-correct icons.
+      Includes icons from BeOS-r5, Zeta OS, Haiku OS, KDEclassic, and more.
+    '';
+    homepage = "https://github.com/jcherven/BeOS-r5-Icons";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = [ ];
+  };
+}

pkgs/haiku-cursor/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenvNoCC, fetchurl }:
+
+stdenvNoCC.mkDerivation {
+  pname = "haiku-cursor";
+  version = "linux-02";
+
+  src = fetchurl {
+    url = "https://github.com/leath-dub/Haiku_Cursor/releases/download/linux-02/Haiku_Cursor.tgz";
+    hash = "sha256-AXgo+jqrCjEyDpWL6GnpUAbvx3Oje+7zQvnIC8j1uz0=";
+  };
+
+  installPhase = ''
+    mkdir -p $out/share/icons/Haiku_Cursor
+    cp -pr * $out/share/icons/Haiku_Cursor/
+  '';
+
+  meta = with lib; {
+    description = "Haiku/BeOS-style XCursor theme";
+    longDescription = ''
+      A port of the Haiku cursor set as an XCursor theme.
+      These cursors are faithful to the BeOS/Haiku look.
+    '';
+    homepage = "https://github.com/leath-dub/Haiku_Cursor";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = [ ];
+  };
+}