nnn: fix file mime opts on darwin

Resolves: #243503
Signed-off-by: cueaz <vcs@cueaz.com>

pkgs/applications/file-managers/nnn/darwin-fix-file-mime-opts.patch

@@ -0,0 +1,15 @@
+diff --git a/src/nnn.c b/src/nnn.c
+index b3c0f986..c74e1ec9 100644
+--- a/src/nnn.c
++++ b/src/nnn.c
+@@ -508,9 +508,7 @@ alignas(max_align_t) static char g_pipepath[TMP_LEN_MAX];
+ static runstate g_state;
+ 
+ /* Options to identify file MIME */
+-#if defined(__APPLE__)
+-#define FILE_MIME_OPTS "-bIL"
+-#elif !defined(__sun) /* no MIME option for 'file' */
++#if !defined(__sun) /* no MIME option for 'file' */
+ #define FILE_MIME_OPTS "-biL"
+ #endif
+ 

pkgs/applications/file-managers/nnn/default.nix

@@ -34,6 +34,10 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   patches = [
+    # Nix-specific: ensure nnn passes correct arguments to the Nix file command on Darwin.
+    # By default, nnn expects the macOS default file command, not the one provided by Nix.
+    # However, both commands use different arguments to obtain the MIME type.
+    ./darwin-fix-file-mime-opts.patch
     # FIXME: remove for next release
     (fetchpatch {
       url = "https://github.com/jarun/nnn/commit/20e944f5e597239ed491c213a634eef3d5be735e.patch";