Merge pull request #18274 from Homebrew/improve_brew_doctor_prerelease

Improve `brew doctor` output on prerelease macOS

Library/Homebrew/extend/os/mac/diagnostic.rb

@@ -130,6 +130,9 @@ def check_for_unsupported_macos
       def check_xcode_up_to_date
         return unless MacOS::Xcode.outdated?
 
+        # avoid duplicate very similar messages
+        return if MacOS::Xcode.below_minimum_version?
+
         # CI images are going to end up outdated so don't complain when
         # `brew test-bot` runs `brew doctor` in the CI for the Homebrew/brew
         # repository. This only needs to support whatever CI providers
@@ -161,6 +164,9 @@ def check_xcode_up_to_date
       def check_clt_up_to_date
         return unless MacOS::CLT.outdated?
 
+        # avoid duplicate very similar messages
+        return if MacOS::CLT.below_minimum_version?
+
         # CI images are going to end up outdated so don't complain when
         # `brew test-bot` runs `brew doctor` in the CI for the Homebrew/brew
         # repository. This only needs to support whatever CI providers

Library/Homebrew/os/mac/xcode.rb

@@ -315,6 +315,11 @@ def self.installation_instructions
             Install the Command Line Tools for Xcode 11.3.1 from:
               #{Formatter.url(MacOS::Xcode::APPLE_DEVELOPER_DOWNLOAD_URL)}
           EOS
+        elsif OS::Mac.version.prerelease?
+          <<~EOS
+            Install the Command Line Tools for Xcode #{minimum_version.split(".").first} from:
+              #{Formatter.url(MacOS::Xcode::APPLE_DEVELOPER_DOWNLOAD_URL)}
+          EOS
         else
           <<~EOS
             Install the Command Line Tools:
@@ -325,6 +330,8 @@ def self.installation_instructions
 
       sig { returns(String) }
       def self.update_instructions
+        return installation_instructions if OS::Mac.version.prerelease?
+
         software_update_location = if MacOS.version >= "13"
           "System Settings"
         elsif MacOS.version >= "10.14"