fix: make version update check more robust (#2437)

packaging/macos/Portfile

@@ -51,6 +51,10 @@ configure.args           -DBUILD_WERROR=ON \
                          -DCMAKE_INSTALL_PREFIX=${prefix} \
                          -DSUNSHINE_ASSETS_DIR=etc/sunshine/assets
 
+configure.env-append     BRANCH=@GITHUB_BRANCH@
+configure.env-append     BUILD_VERSION=@BUILD_VERSION@
+configure.env-append     COMMIT=@GITHUB_COMMIT@
+
 startupitem.create       yes
 startupitem.executable   "${prefix}/bin/{$name}"
 startupitem.location     LaunchDaemons

packaging/macos/sunshine.rb

@@ -19,6 +19,10 @@ class @PROJECT_NAME@ < Formula
   depends_on "opus"
 
   def install
+    ENV["BRANCH"] = "@GITHUB_BRANCH@"
+    ENV["BUILD_VERSION"] = "@BUILD_VERSION@"
+    ENV["COMMIT"] = "@GITHUB_COMMIT@"
+
     args = %W[
       -DBUILD_WERROR=ON
       -DCMAKE_INSTALL_PREFIX=#{prefix}