opencode: fix oh-my-opencode build

home-manager/progs/opencode.nix

@@ -51,10 +51,29 @@ let
   };
 in
 {
-  home.packages = [
-    inputs.oh-my-opencode.packages.${pkgs.stdenv.hostPlatform.system}.oh-my-opencode
-    pkgs.playwright-driver.browsers
-  ];
+  home.packages =
+    let
+      ohMyOpencode =
+        let
+          orig = inputs.oh-my-opencode.packages.${pkgs.stdenv.hostPlatform.system};
+          fixed-node_modules = orig.node_modules.overrideAttrs (_: {
+            outputHash = "sha256-qq/eEoxFELVdt4qaJkrw8XNZ/Ph/RJdsyIp7LteQE5A=";
+          });
+        in
+        orig.oh-my-opencode.overrideAttrs (_: {
+          buildPhase = ''
+            cp -r ${fixed-node_modules}/node_modules .
+            chmod -R u+w node_modules
+            patchShebangs node_modules/
+            export HOME=$(mktemp -d)
+            bun run build
+          '';
+        });
+    in
+    [
+      ohMyOpencode
+      pkgs.playwright-driver.browsers
+    ];
 
   home.sessionVariables = {
     PLAYWRIGHT_BROWSERS_PATH = "${pkgs.playwright-driver.browsers}";