message: [vcpkg] Add bootstrap-vcpkg.bat to improve first-time experience.
diff: @@ -56,7 +56,7 @@ namespace vcpkg::Commands::Update
  System::println("The following packages differ from their port versions:");
  for (auto&& package : outdated_packages)
  {
  - System::println(" %-27s %s", package.spec.display_name(), package.version_diff.toString());
  + System::println(" %-32s %s", package.spec.display_name(), package.version_diff.toString());
  }
  System::println("\nTo update these packages, run\n vcpkg remove --purge <pkgs>...\n vcpkg install <pkgs>...");
  }
  @@ -74,7 +74,7 @@ namespace vcpkg::Commands::Update
  {
  if (maj1 != maj2 || min1 != min2 || rev1 != rev2)
  {
  - System::println("Different source is available for vcpkg (%d.%d.%d -> %d.%d.%d). Use powershell -exec bypass scripts/bootstrap.ps1 to update.",
  + System::println("Different source is available for vcpkg (%d.%d.%d -> %d.%d.%d). Use bootstrap-vcpkg.bat to update.",
  maj2, min2, rev2,
  maj1, min1, rev1);
  }
  