nixpkgs vscodium: don't underline detected links

vscodium-no-detected-link-underline.patch

From f6ec720c11cc4e34c02af85769eb36ea8bc59321 Mon Sep 17 00:00:00 2001
From: Ivan Kozik <ivan@ludios.org>
Date: Tue, 26 Nov 2019 13:15:21 +0000
Subject: [PATCH] vscodium, vscode: patch to avoid underlining links

---
 pkgs/applications/editors/vscode/generic.nix | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/applications/editors/vscode/generic.nix b/pkgs/applications/editors/vscode/generic.nix
index 74b1eaf4009..1fef570ae77 100644
--- a/pkgs/applications/editors/vscode/generic.nix
+++ b/pkgs/applications/editors/vscode/generic.nix
@@ -77,6 +77,19 @@ in
     dontBuild = true;
     dontConfigure = true;
 
+    postPatch = ''
+      # Don't underline detected links in editor windows
+      #
+      # The underline is especially annoying if you have reduced line height,
+      # which causes the link underline to extend down into the next line.
+      substituteInPlace ./resources/app/out/vs/workbench/workbench.desktop.main.css \
+        --replace ".monaco-editor .detected-link,.monaco-editor .detected-link-active{text-decoration:underline;text-underline-position:under}" ""
+
+      # Don't complain about corruption now that we've "corrupted" it above
+      substituteInPlace ./resources/app/out/vs/workbench/workbench.desktop.main.js \
+        --replace "isPure:t===i" "isPure:true"
+    '';
+
     installPhase =
       if system == "x86_64-darwin" then ''
         mkdir -p $out/lib/vscode $out/bin
-- 
2.23.0