From 26a610c1a33b834f5e7575d1c9273c56f7d35f80 Mon Sep 17 00:00:00 2001
From: Tasia Iso <tasiaiso@proton.me>
Date: Sun, 23 Feb 2025 19:10:00 +0100
Subject: [PATCH] build(nix): add a patch to make viz1090 use the packaged
 mapdata

---
 nix/viz1090.nix | 123 +++++++++++++++++++++++++++++++-----------------
 1 file changed, 79 insertions(+), 44 deletions(-)

diff --git a/nix/viz1090.nix b/nix/viz1090.nix
index 4d82ffd..56ee5e6 100644
--- a/nix/viz1090.nix
+++ b/nix/viz1090.nix
@@ -5,54 +5,89 @@
   fetchFromGitea,
   self,
   system,
-}:
-stdenv.mkDerivation rec {
-  pname = "viz1090";
-  version = "0.1.0";
+}: let
+  viz1090-mapdata = self.packages.${system}.viz1090-mapdata;
+in
+  stdenv.mkDerivation rec {
+    pname = "viz1090";
+    version = "0.1.0";
 
-  src = fetchFromGitea {
-    domain = "git.vulpecula.zone";
-    owner = "tasiaiso";
-    repo = pname;
-    rev = "d1f53019b22a9e605506bed90fcffcdc5f7e6186";
-    hash = "sha256-gtv0u7o+5fqVgA0CHDWdZr0h9A1Nbky1+okHvSv1cVU=";
-  };
+    src = fetchFromGitea {
+      domain = "git.vulpecula.zone";
+      owner = "tasiaiso";
+      repo = pname;
+      rev = "1922324b40f84fd449cec3fbfdade8aa33597bf6";
+      hash = "sha256-bPVFKbGtPXOitzzHb3yJ6XW3fRh8PF/7kfP7EJkJX3c=";
+    };
 
-  nativeBuildInputs = with pkgs; [
-    rtl-sdr-librtlsdr
-    SDL2
-    SDL2_ttf
-    SDL2_gfx
-    gdal
-    git
-  ];
+    nativeBuildInputs = with pkgs; [
+      rtl-sdr-librtlsdr
+      SDL2
+      SDL2_ttf
+      SDL2_gfx
+      gdal
+      git
+    ];
 
-  buildInputs = [
-    self.packages.${system}.viz1090-mapdata
-  ];
+    buildInputs = [
+      viz1090-mapdata
+    ];
 
-  buildPhase = ''
-    echo "--- a/Makefile
-    +++ b/Makefile
-    @@ -3,7 +3,7 @@
-     # sure that the variable PREFIX is defined, e.g. make PREFIX=/usr/local
-     #
+    buildPhase = ''
+      echo "diff --git a/Makefile b/Makefile
+index 5e60779..d5b30ab 100644
+--- a/Makefile
++++ b/Makefile
+@@ -3,7 +3,7 @@
+ # sure that the variable PREFIX is defined, e.g. make PREFIX=/usr/local
+ #
+ 
+-CXXFLAGS=-O2 -std=c++11 -g
++CXXFLAGS=-O2 -std=c++11 -g -I ${pkgs.SDL2.dev}/include/SDL2/
+ LIBS= -lm -lSDL2 -lSDL2_ttf -lSDL2_gfx -g
+ CXX=g++
+ 
+diff --git a/Map.cpp b/Map.cpp
+index cd798ec..c5736bd 100644
+--- a/Map.cpp
++++ b/Map.cpp
+@@ -189,7 +189,7 @@ std::vector<Line*> Map::getLines(float screen_lat_min, float screen_lat_max, flo
+ Map::Map() { 
+   FILE *fileptr;
+ 
+-  if((fileptr = fopen(\"mapdata.bin\", \"rb\"))) {
++  if((fileptr = fopen(\"${viz1090-mapdata}/mapdata.bin\", \"rb\"))) {
+       
+ 
+     fseek(fileptr, 0, SEEK_END);
+@@ -255,7 +255,7 @@ Map::Map() {
+ //
+ 
+ 
+-  if((fileptr = fopen(\"airportdata.bin\", \"rb\"))) {
++  if((fileptr = fopen(\"${viz1090-mapdata}/airportdata.bin\", \"rb\"))) {
+     fseek(fileptr, 0, SEEK_END);
+     airportPoints_count = ftell(fileptr) / sizeof(float);
+     rewind(fileptr);                   
+@@ -350,7 +350,7 @@ Map::Map() {
+ 
+   infile.close();
+ 
+-  infile.open(\"airportnames\");
++  infile.open(\"${viz1090-mapdata}/airportnames\");
+ 
+ 
+   while (std::getline(infile, line))  
+   
+   " | git apply -
 
-    -CXXFLAGS=-O2 -std=c++11 -g
-    +CXXFLAGS=-O2 -std=c++11 -g -I ${pkgs.SDL2.dev}/include/SDL2/
-     LIBS= -lm -lSDL2 -lSDL2_ttf -lSDL2_gfx -g
-     CXX=g++
-    " | git apply -
+      cat Map.cpp | grep mapdata
 
-    make
-  '';
+      make -j $NIX_BUILD_CORES
+    '';
 
-  installPhase = ''
-    # runHook preInstall
-
-    mkdir -p $out/bin
-    cp -v viz1090 $out/bin
-
-    # runHook postInstall
-  '';
-}
+    installPhase = ''
+      mkdir -p $out/bin
+      cp -v viz1090 $out/bin
+    '';
+  }