delfin: add option to build in debug mode, and with debug patches

pkgs/additional/delfin/default.nix

@@ -10,20 +10,27 @@
 , libglvnd
 , libepoxy
 , meson
-, mpv
+, mpv-unwrapped
 , ninja
 , openssl
 , pkg-config
 , rustc
 , rustPlatform
 , wrapGAppsHook4
+, devBuild ? false, git
 }:
 
 stdenv.mkDerivation rec {
   pname = "delfin";
   version = "0.4.1";
 
-  src = fetchFromGitea {
+  src = if devBuild then fetchFromGitea {
+    domain = "git.uninsane.org";
+    owner = "colin";
+    repo = "delfin";
+    rev = "dev-sane";
+    hash = "sha256-l/Lm9dUtYfWbf8BoqNodF/5s0FzxhI/dyPevcaeyPME=";
+  } else fetchFromGitea {
     domain = "codeberg.org";
     owner = "avery42";
     repo = "delfin";
@@ -40,6 +47,9 @@ stdenv.mkDerivation rec {
   postPatch = ''
     substituteInPlace delfin/Cargo.toml \
       --replace-warn 'rust-version = "1.76.0"' 'rust-version = "1.75.0"'
+  '' + lib.optionalString devBuild ''
+    substituteInPlace video_player_mpv/sys/video-player-mpv/video-player-mpv.c \
+      --replace-fail '// printf("mpv log: %s\n"' 'printf("mpv log: %s\n"'
   '';
 
   nativeBuildInputs = [
@@ -52,6 +62,8 @@ stdenv.mkDerivation rec {
     cargo
     rustc
     wrapGAppsHook4
+  ] ++ lib.optionals devBuild [
+    git
   ];
 
   buildInputs = [
@@ -59,11 +71,11 @@ stdenv.mkDerivation rec {
     libadwaita
     libglvnd
     libepoxy
-    mpv
+    mpv-unwrapped
     openssl
   ];
 
-  mesonFlags = [
+  mesonFlags = lib.optionals (!devBuild) [
     "-Dprofile=release"
   ];