From 429a135854f6e35908ff872786b34941d3068c0d Mon Sep 17 00:00:00 2001
From: Aaron VerDow <aaron@verdow.com>
Date: Mon, 17 Feb 2025 18:17:06 -0600
Subject: [PATCH 1/2] numworks-epsilon: add .desktop file

---
 pkgs/by-name/nu/numworks-epsilon/numworks.svg |  4 +++
 pkgs/by-name/nu/numworks-epsilon/package.nix  | 27 ++++++++++++++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/by-name/nu/numworks-epsilon/numworks.svg

diff --git a/pkgs/by-name/nu/numworks-epsilon/numworks.svg b/pkgs/by-name/nu/numworks-epsilon/numworks.svg
new file mode 100644
index 000000000000..0184a5fc0fa4
--- /dev/null
+++ b/pkgs/by-name/nu/numworks-epsilon/numworks.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1024 1024">
+  <path d="M924 355.412c0-9.782 0-18.35-.056-28.133-.049-8.241-.144-16.48-.368-24.716-.484-17.954-1.543-36.061-4.736-53.813-3.238-18.01-8.526-34.77-16.859-51.133a171.963 171.963 0 0 0-31.661-43.559 172.06 172.06 0 0 0-43.574-31.64c-16.381-8.335-33.159-13.621-51.188-16.858-17.755-3.188-35.867-4.245-53.82-4.73-8.243-.223-16.485-.317-24.73-.368-9.788-.06-19.576-.055-29.364-.055L553.997 100h-84.999l-111.637.407c-9.807 0-19.614-.005-29.421.055-8.262.051-16.52.145-24.778.368-17.995.485-36.148 1.543-53.945 4.735-18.053 3.236-34.857 8.52-51.259 16.849a172.405 172.405 0 0 0-43.667 31.644 171.994 171.994 0 0 0-31.718 43.551c-8.356 16.372-13.654 33.143-16.9 51.162-3.196 17.746-4.255 35.846-4.742 53.792-.222 8.237-.318 16.476-.368 24.716-.06 9.784-.563 21.937-.563 31.72v195.999l.508 112.429c0 9.796-.004 19.592.055 29.388.05 8.252.146 16.502.369 24.751.486 17.976 1.547 36.109 4.746 53.886 3.245 18.032 8.542 34.818 16.891 51.201a172.24 172.24 0 0 0 31.722 43.619 172.444 172.444 0 0 0 43.659 31.684c16.412 8.346 33.224 13.639 51.288 16.88 17.789 3.193 35.936 4.252 53.924 4.737 8.258.223 16.517.318 24.779.368 9.807.059 19.613.059 29.42.059h310.283c9.788 0 19.576 0 29.364-.059 8.245-.05 16.487-.145 24.73-.368 17.96-.486 36.078-1.546 53.841-4.741 18.018-3.241 34.788-8.532 51.159-16.873a172.004 172.004 0 0 0 43.582-31.687 172.23 172.23 0 0 0 31.659-43.612c8.337-16.391 13.625-33.184 16.865-51.229 3.19-17.77 4.248-35.896 4.733-53.865.223-8.25.318-16.5.367-24.751.056-9.796.056-19.592.056-29.388V355.412z" fill="#edb14b" stroke="none" />
+  <path d="M744.7 189c-27.1 0-49.2 20.1-49.2 44.8v431.8l-369.8-457c-9.9-12.2-25.9-19.6-42.7-19.6-29.2 0-53 21.5-53 47.9v553.3c0 24.7 22.1 44.8 49.3 44.8 27.1 0 49.2-20.1 49.2-44.8V358.6l369.9 458.2c9.2 11.4 24 18.2 39.7 18.2h6.7c27.1 0 49.2-20.1 49.2-44.8V233.8c0-24.7-22.1-44.8-49.3-44.8z" fill="#fff" stroke="none" />
+</svg>
diff --git a/pkgs/by-name/nu/numworks-epsilon/package.nix b/pkgs/by-name/nu/numworks-epsilon/package.nix
index 337322bfb039..57a5a83d1be1 100644
--- a/pkgs/by-name/nu/numworks-epsilon/package.nix
+++ b/pkgs/by-name/nu/numworks-epsilon/package.nix
@@ -11,6 +11,8 @@
   gcc-arm-embedded,
   pkg-config,
   python3Packages,
+  makeDesktopItem,
+  copyDesktopItems,
 }:
 
 stdenv.mkDerivation rec {
@@ -24,7 +26,11 @@ stdenv.mkDerivation rec {
     hash = "sha256-w9ddcULE1MrGnYcXA0qOg1elQv/eBhcXqhMSjWT3Bkk=";
   };
 
-  nativeBuildInputs = [ pkg-config ];
+  nativeBuildInputs = [
+    pkg-config
+    copyDesktopItems
+  ];
+
   buildInputs = [
     libpng
     libjpeg
@@ -47,9 +53,28 @@ stdenv.mkDerivation rec {
     mkdir -p $out/bin
     cp -r ./output/release/simulator/linux/* $out/bin/
 
+    # To build this svg:
+    # copy white path from ion/src/simulator/assets/icon_mask.svg
+    # paste into ion/src/simulator/assets/logo.svg and change fill to #edb14b
+    install -Dm644 ${./numworks.svg} $out/share/icons/hicolor/scalable/apps/numworks.svg
+
     runHook postInstall
   '';
 
+  desktopItems = [
+    (makeDesktopItem {
+      name = "epsilon";
+      exec = "epsilon";
+      icon = "numworks";
+      desktopName = "NumWorks Epsilon Calculator";
+      categories = [
+        "Utility"
+        "Math"
+      ];
+      type = "Application";
+    })
+  ];
+
   meta = with lib; {
     description = "Simulator for Epsilon, a High-performance graphing calculator operating system";
     homepage = "https://numworks.com/";

From 5c6903ea024a19d4911fab1ba8c92769d3b3dac7 Mon Sep 17 00:00:00 2001
From: Aaron VerDow <aaron@verdow.com>
Date: Fri, 14 Mar 2025 11:05:53 -0500
Subject: [PATCH 2/2] numworks-epsilon: build logo from source

---
 pkgs/by-name/nu/numworks-epsilon/numworks.svg |  4 ----
 pkgs/by-name/nu/numworks-epsilon/package.nix  | 18 ++++++++++++++----
 2 files changed, 14 insertions(+), 8 deletions(-)
 delete mode 100644 pkgs/by-name/nu/numworks-epsilon/numworks.svg

diff --git a/pkgs/by-name/nu/numworks-epsilon/numworks.svg b/pkgs/by-name/nu/numworks-epsilon/numworks.svg
deleted file mode 100644
index 0184a5fc0fa4..000000000000
--- a/pkgs/by-name/nu/numworks-epsilon/numworks.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1024 1024">
-  <path d="M924 355.412c0-9.782 0-18.35-.056-28.133-.049-8.241-.144-16.48-.368-24.716-.484-17.954-1.543-36.061-4.736-53.813-3.238-18.01-8.526-34.77-16.859-51.133a171.963 171.963 0 0 0-31.661-43.559 172.06 172.06 0 0 0-43.574-31.64c-16.381-8.335-33.159-13.621-51.188-16.858-17.755-3.188-35.867-4.245-53.82-4.73-8.243-.223-16.485-.317-24.73-.368-9.788-.06-19.576-.055-29.364-.055L553.997 100h-84.999l-111.637.407c-9.807 0-19.614-.005-29.421.055-8.262.051-16.52.145-24.778.368-17.995.485-36.148 1.543-53.945 4.735-18.053 3.236-34.857 8.52-51.259 16.849a172.405 172.405 0 0 0-43.667 31.644 171.994 171.994 0 0 0-31.718 43.551c-8.356 16.372-13.654 33.143-16.9 51.162-3.196 17.746-4.255 35.846-4.742 53.792-.222 8.237-.318 16.476-.368 24.716-.06 9.784-.563 21.937-.563 31.72v195.999l.508 112.429c0 9.796-.004 19.592.055 29.388.05 8.252.146 16.502.369 24.751.486 17.976 1.547 36.109 4.746 53.886 3.245 18.032 8.542 34.818 16.891 51.201a172.24 172.24 0 0 0 31.722 43.619 172.444 172.444 0 0 0 43.659 31.684c16.412 8.346 33.224 13.639 51.288 16.88 17.789 3.193 35.936 4.252 53.924 4.737 8.258.223 16.517.318 24.779.368 9.807.059 19.613.059 29.42.059h310.283c9.788 0 19.576 0 29.364-.059 8.245-.05 16.487-.145 24.73-.368 17.96-.486 36.078-1.546 53.841-4.741 18.018-3.241 34.788-8.532 51.159-16.873a172.004 172.004 0 0 0 43.582-31.687 172.23 172.23 0 0 0 31.659-43.612c8.337-16.391 13.625-33.184 16.865-51.229 3.19-17.77 4.248-35.896 4.733-53.865.223-8.25.318-16.5.367-24.751.056-9.796.056-19.592.056-29.388V355.412z" fill="#edb14b" stroke="none" />
-  <path d="M744.7 189c-27.1 0-49.2 20.1-49.2 44.8v431.8l-369.8-457c-9.9-12.2-25.9-19.6-42.7-19.6-29.2 0-53 21.5-53 47.9v553.3c0 24.7 22.1 44.8 49.3 44.8 27.1 0 49.2-20.1 49.2-44.8V358.6l369.9 458.2c9.2 11.4 24 18.2 39.7 18.2h6.7c27.1 0 49.2-20.1 49.2-44.8V233.8c0-24.7-22.1-44.8-49.3-44.8z" fill="#fff" stroke="none" />
-</svg>
diff --git a/pkgs/by-name/nu/numworks-epsilon/package.nix b/pkgs/by-name/nu/numworks-epsilon/package.nix
index 57a5a83d1be1..4280eb9ab4f8 100644
--- a/pkgs/by-name/nu/numworks-epsilon/package.nix
+++ b/pkgs/by-name/nu/numworks-epsilon/package.nix
@@ -53,10 +53,20 @@ stdenv.mkDerivation rec {
     mkdir -p $out/bin
     cp -r ./output/release/simulator/linux/* $out/bin/
 
-    # To build this svg:
-    # copy white path from ion/src/simulator/assets/icon_mask.svg
-    # paste into ion/src/simulator/assets/logo.svg and change fill to #edb14b
-    install -Dm644 ${./numworks.svg} $out/share/icons/hicolor/scalable/apps/numworks.svg
+    # Build the logo
+    assets="$src/ion/src/simulator/assets"
+    logo_dir="$out/share/icons/hicolor/scalable/apps"
+    logo="$logo_dir/numworks.svg"
+    mkdir -p "$logo_dir"
+
+    # Take opening svg tag
+    grep '<svg' "$assets/logo.svg" > "$logo"
+
+    # Insert path from logo mask and change color
+    grep path "$assets/icon_mask.svg" | sed 's/fill="[^"]*"/fill="#edb14b"/' >> "$logo"
+
+    # Add remainder of logo
+    grep -v '<svg' "$assets/logo.svg" >> "$logo"
 
     runHook postInstall
   '';