From d011ca205fdd40828186d196cc1a678638687211 Mon Sep 17 00:00:00 2001
From: hqurve <hqurve@outlook.com>
Date: Sun, 13 Mar 2022 17:44:08 -0400
Subject: [PATCH] jupyter-kernel: Link extraPaths

---
 pkgs/applications/editors/jupyter/kernel.nix | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/pkgs/applications/editors/jupyter/kernel.nix b/pkgs/applications/editors/jupyter/kernel.nix
index fba884f5a2fd..0fd59ca391e9 100644
--- a/pkgs/applications/editors/jupyter/kernel.nix
+++ b/pkgs/applications/editors/jupyter/kernel.nix
@@ -39,26 +39,22 @@ in
 
       ${concatStringsSep "\n" (mapAttrsToList (kernelName: unfilteredKernel:
         let
-          allowedKernelKeys = ["argv" "displayName" "language" "interruptMode" "env" "metadata" "logo32" "logo64"];
+          allowedKernelKeys = ["argv" "displayName" "language" "interruptMode" "env" "metadata" "logo32" "logo64" "extraPaths"];
           kernel = filterAttrs (n: v: (any (x: x == n) allowedKernelKeys)) unfilteredKernel;
           config = builtins.toJSON (
             kernel
             // {display_name = if (kernel.displayName != "") then kernel.displayName else kernelName;}
             // (optionalAttrs (kernel ? interruptMode) { interrupt_mode = kernel.interruptMode; })
           );
-          logo32 =
-            if (kernel.logo32 != null)
-            then "ln -s ${kernel.logo32} 'kernels/${kernelName}/logo-32x32.png';"
-            else "";
-          logo64 =
-            if (kernel.logo64 != null)
-            then "ln -s ${kernel.logo64} 'kernels/${kernelName}/logo-64x64.png';"
-            else "";
+          extraPaths = kernel.extraPaths or {}
+            // lib.optionalAttrs (kernel.logo32 != null) { "logo-32x32.png" = kernel.logo32; }
+            // lib.optionalAttrs (kernel.logo64 != null) { "logo-64x64.png" = kernel.logo64; }
+          ;
+          linkExtraPaths = lib.mapAttrsToList (name: value: "ln -s ${value} 'kernels/${kernelName}/${name}';") extraPaths;
         in ''
           mkdir 'kernels/${kernelName}';
           echo '${config}' > 'kernels/${kernelName}/kernel.json';
-          ${logo32}
-          ${logo64}
+          ${lib.concatStringsSep "\n" linkExtraPaths}
         '') definitions)}
 
       mkdir $out