requirements: improve display in brew info

Library/Homebrew/requirement.rb

@@ -126,7 +126,7 @@ class Requirement
   end
 
   def display_s
-    name
+    name.capitalize
   end
 
   def mktemp(&block)

Library/Homebrew/requirements/java_requirement.rb

@@ -55,9 +55,9 @@ class JavaRequirement < Requirement
       else
         ">="
       end
-      "#{name} #{op} #{version_without_plus}"
+      "#{name.capitalize} #{op} #{version_without_plus}"
     else
-      name
+      name.capitalize
     end
   end
 

Library/Homebrew/requirements/macos_requirement.rb

@@ -71,7 +71,7 @@ class MacOSRequirement < Requirement
   end
 
   def display_s
-    return "macOS is required" unless version_specified?
+    return "macOS" unless version_specified?
 
     "macOS #{@comparator} #{@version}"
   end

Library/Homebrew/requirements/osxfuse_requirement.rb

@@ -7,8 +7,14 @@ require "requirement"
 #
 # @api private
 class OsxfuseRequirement < Requirement
+  extend T::Sig
   cask "osxfuse"
   fatal true
+
+  sig { returns(String) }
+  def display_s
+    "FUSE"
+  end
 end
 
 require "extend/os/requirements/osxfuse_requirement"

Library/Homebrew/requirements/xcode_requirement.rb

@@ -48,6 +48,12 @@ class XcodeRequirement < Requirement
   def inspect
     "#<#{self.class.name}: #{tags.inspect} version=#{@version.inspect}>"
   end
+
+  def display_s
+    return name.capitalize unless @version
+
+    "#{name.capitalize} >= #{@version}"
+  end
 end
 
 require "extend/os/requirements/xcode_requirement"

Library/Homebrew/test/java_requirement_spec.rb

@@ -23,19 +23,19 @@ describe JavaRequirement do
 
   describe "#display_s" do
     context "without specific version" do
-      its(:display_s) { is_expected.to eq("java") }
+      its(:display_s) { is_expected.to eq("Java") }
     end
 
     context "with version 1.8" do
       subject { described_class.new(%w[1.8]) }
 
-      its(:display_s) { is_expected.to eq("java = 1.8") }
+      its(:display_s) { is_expected.to eq("Java = 1.8") }
     end
 
     context "with version 1.8+" do
       subject { described_class.new(%w[1.8+]) }
 
-      its(:display_s) { is_expected.to eq("java >= 1.8") }
+      its(:display_s) { is_expected.to eq("Java >= 1.8") }
     end
   end
 

Library/Homebrew/test/requirements/java_requirement_spec.rb

@@ -7,27 +7,27 @@ describe JavaRequirement do
   describe "initialize" do
     it "parses '1.8' tag correctly" do
       req = described_class.new(["1.8"])
-      expect(req.display_s).to eq("java = 1.8")
+      expect(req.display_s).to eq("Java = 1.8")
     end
 
     it "parses '9' tag correctly" do
       req = described_class.new(["9"])
-      expect(req.display_s).to eq("java = 9")
+      expect(req.display_s).to eq("Java = 9")
     end
 
     it "parses '9+' tag correctly" do
       req = described_class.new(["9+"])
-      expect(req.display_s).to eq("java >= 9")
+      expect(req.display_s).to eq("Java >= 9")
     end
 
     it "parses '11' tag correctly" do
       req = described_class.new(["11"])
-      expect(req.display_s).to eq("java = 11")
+      expect(req.display_s).to eq("Java = 11")
     end
 
     it "parses bogus tag correctly" do
       req = described_class.new(["bogus1.8"])
-      expect(req.display_s).to eq("java")
+      expect(req.display_s).to eq("Java")
     end
   end
 end