feat(3p/chicago95): package chicago95 theme for GTK/Qt/etc. r/8659

Change-Id: Ib72ac7e4490b793940f25b0e6b8fac8c62686092
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12445
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

1 files changed, 47 insertions, 0 deletions

diff --git a/third_party/chicago95/default.nix b/third_party/chicago95/default.nix
new file mode 100644
index 000000000000..8703ec3548ad
--- /dev/null
+++ b/third_party/chicago95/default.nix
@@ -0,0 +1,47 @@
+# A rendition of everyone's favourite computer theme.
+{ pkgs, ... }:
+
+let
+  # Chicago95 has no GTK-4 theme (because GTK-4 removed important features that
+  # it needs), but there is a project with an approximation.
+  #
+  # This is a bit of a hack, but I inject that project's GTK-4 theme as if it
+  # was a part of Chicago95.
+  #
+  # This other project is GPL-3.0, under which Chicago95 is also distributed.
+  gtk4ProjectSrc = pkgs.fetchFromGitHub {
+    owner = "B00merang-Project";
+    repo = "Windows-95";
+    rev = "055abd7a3608afdcb2ef021732e07020f2b416b2";
+    hash = "sha256:1li6wzyn3y09d188xki1h96pmn4xcx2lklfc4rkiq2y2r22wx7kz";
+  };
+in
+pkgs.stdenvNoCC.mkDerivation {
+  pname = "Chicago95";
+  version = "master";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "grassmunk";
+    repo = "Chicago95";
+    rev = "bdf5cf36a16102aaac297f3de887c601c2b1146f";
+    hash = "sha256:11fsy3bam1rhp1292zflvzmf1432z1p0ncwy3601wl2f8rnvfdfm";
+  };
+
+  # The project has a Makefile, but it's broken in all sorts of ways, so we just
+  # copy the important stuff manually.
+  dontBuild = true;
+  installPhase = ''
+    mkdir -p $out/share/{icons,fonts,themes,sounds,qt5ct/colors}
+
+    cp -r Theme/Chicago95 $out/share/themes
+    cp -r Icons/* $out/share/icons
+    cp -r Cursors/* $out/share/icons
+    cp -r Fonts/* $out/share/fonts
+    cp Extras/Chicago95_qt.conf $out/share/qt5ct/colors
+
+    cp -r ${gtk4ProjectSrc}/gtk-4.0 $out/share/themes/Chicago95
+  '';
+
+  meta.license = pkgs.lib.licenses.gpl3;
+}
+