Add matching conflicts statements

Signed-off-by: Steve Peters <[email protected]>

Author: scpeters

Formula/gz-cmake5.rb

@@ -17,6 +17,8 @@ class GzCmake5 < Formula
   depends_on "cmake"
   depends_on "pkgconf"
 
+  conflicts_with "gz-scaffold-cmake", because: "both install gz-cmake"
+
   def install
     cmake_args = std_cmake_args
     cmake_args << "-DBUILD_TESTING=OFF"

Formula/gz-utils4.rb

@@ -19,6 +19,8 @@ class GzUtils4 < Formula
   depends_on "gz-cmake5"
   depends_on "spdlog"
 
+  conflicts_with "gz-scaffold-utils", because: "both install gz-utils"
+
   def install
     cmake_args = std_cmake_args
     cmake_args << "-DBUILD_TESTING=OFF"