Revert "Revert "services: add loaded_file data""

This reverts commit 76901b1.

Author: Bo98

Library/Homebrew/services/formula_wrapper.rb

@@ -188,6 +188,11 @@ def exit_code
         Regexp.last_match(1).to_i if status_output =~ exit_code_regex(status_type)
       end
 
+      def loaded_file
+        status_output, _, status_type = status_output_success_type
+        Regexp.last_match(1) if status_output =~ loaded_file_regex(status_type)
+      end
+
       sig { returns(T::Hash[Symbol, T.anything]) }
       def to_hash
         hash = {
@@ -202,6 +207,7 @@ def to_hash
           status:       status_symbol,
           file:         service_file_present? ? dest : service_file,
           registered:   service_file_present?,
+          loaded_file:,
         }
 
         return hash unless service?
@@ -302,6 +308,15 @@ def pid_regex(status_type)
         @pid_regex.fetch(status_type)
       end
 
+      def loaded_file_regex(status_type)
+        @loaded_file_regex ||= {
+          launchctl_list:  //, # not available
+          launchctl_print: /path = (.*)/,
+          systemctl:       /Loaded: .*? \((.*);/,
+        }
+        @loaded_file_regex.fetch(status_type)
+      end
+
       sig { returns(T::Boolean) }
       def boot_path_service_file_present?
         boot_path = System.boot_path

Library/Homebrew/test/services/formula_wrapper_spec.rb

@@ -369,6 +369,7 @@
         exit_code:    nil,
         file:         Pathname.new("/usr/local/opt/mysql/homebrew.mysql.plist"),
         loaded:       false,
+        loaded_file:  nil,
         name:         "mysql",
         pid:          nil,
         registered:   false,
@@ -390,6 +391,7 @@
         exit_code:    nil,
         file:         Pathname.new("/tmp_home/Library/LaunchAgents/homebrew.mysql.plist"),
         loaded:       false,
+        loaded_file:  nil,
         name:         "mysql",
         pid:          nil,
         registered:   true,
@@ -416,6 +418,7 @@
         file:           Pathname.new("/tmp_home/Library/LaunchAgents/homebrew.mysql.plist"),
         interval:       nil,
         loaded:         false,
+        loaded_file:    nil,
         log_path:       nil,
         name:           "mysql",
         pid:            nil,