diff options
| -rw-r--r-- | Library/Homebrew/extend/os/mac/system_config.rb | 13 | ||||
| -rw-r--r-- | Library/Homebrew/system_config.rb | 12 | 
2 files changed, 16 insertions, 9 deletions
| diff --git a/Library/Homebrew/extend/os/mac/system_config.rb b/Library/Homebrew/extend/os/mac/system_config.rb index 796134781..c0a28d3e9 100644 --- a/Library/Homebrew/extend/os/mac/system_config.rb +++ b/Library/Homebrew/extend/os/mac/system_config.rb @@ -23,6 +23,19 @@ class SystemConfig        @ponk.join(", ") unless @ponk.empty?      end +    def describe_java +      # java_home doesn't exist on all macOSs; it might be missing on older versions. +      return "N/A" unless File.executable? "/usr/libexec/java_home" + +      java_xml = Utils.popen_read("/usr/libexec/java_home", "--xml", "--failfast", err: :close) +      return "N/A" unless $CHILD_STATUS.success? +      javas = [] +      REXML::XPath.each(REXML::Document.new(java_xml), "//key[text()='JVMVersion']/following-sibling::string") do |item| +        javas << item.text +      end +      javas.uniq.join(", ") +    end +      def describe_xquartz        return "N/A" unless MacOS::XQuartz.installed?        "#{MacOS::XQuartz.version} => #{describe_path(MacOS::XQuartz.prefix)}" diff --git a/Library/Homebrew/system_config.rb b/Library/Homebrew/system_config.rb index 28eecf951..9a8d1d9d3 100644 --- a/Library/Homebrew/system_config.rb +++ b/Library/Homebrew/system_config.rb @@ -131,16 +131,10 @@ class SystemConfig      end      def describe_java -      # java_home doesn't exist on all macOSs; it might be missing on older versions. -      return "N/A" unless File.executable? "/usr/libexec/java_home" - -      java_xml = Utils.popen_read("/usr/libexec/java_home", "--xml", "--failfast", err: :close) +      return "N/A" unless which "java" +      java_version = Utils.popen_read("java", "-version")        return "N/A" unless $CHILD_STATUS.success? -      javas = [] -      REXML::XPath.each(REXML::Document.new(java_xml), "//key[text()='JVMVersion']/following-sibling::string") do |item| -        javas << item.text -      end -      javas.uniq.join(", ") +      java_version[/java version "([0-9\._]+)"/, 1] || "N/A"      end      def describe_git | 
