Rename "exact" tag match to "no_older_versions"

This is more specific about the behaviour we want to have in future.

Library/Homebrew/dev-cmd/bottle.rb

@@ -344,7 +344,7 @@ module Homebrew
         end
       end
 
-      _, _, bottle_cellar = Formula[f.name].bottle_specification.checksum_for(bottle_tag, exact: true)
+      _, _, bottle_cellar = Formula[f.name].bottle_specification.checksum_for(bottle_tag, no_older_versions: true)
       relocatable = [:any, :any_skip_relocation].include?(bottle_cellar)
       skip_relocation = bottle_cellar == :any_skip_relocation
 

Library/Homebrew/dev-cmd/unbottled.rb

@@ -158,7 +158,7 @@ module Homebrew
 
     formulae.each do |f|
       name = f.name.downcase
-      if f.bottle_specification.tag?(@bottle_tag, exact: true)
+      if f.bottle_specification.tag?(@bottle_tag, no_older_versions: true)
         puts "#{Tty.bold}#{Tty.green}#{name}#{Tty.reset}: already bottled" if any_named_args
         next
       end

Library/Homebrew/extend/os/mac/utils/bottles.rb

@@ -16,10 +16,10 @@ module Utils
 
       alias generic_find_matching_tag find_matching_tag
 
-      def find_matching_tag(tag, exact: false)
+      def find_matching_tag(tag, no_older_versions: false)
         # Used primarily by developers testing beta macOS releases.
-        if exact || (OS::Mac.prerelease? && Homebrew::EnvConfig.developer? &&
+        if no_older_versions ||
-                     Homebrew::EnvConfig.skip_or_later_bottles?)
+           (OS::Mac.prerelease? && Homebrew::EnvConfig.developer? && Homebrew::EnvConfig.skip_or_later_bottles?)
           generic_find_matching_tag(tag)
         else
           generic_find_matching_tag(tag) ||

Library/Homebrew/software_spec.rb

@@ -495,9 +495,9 @@ class BottleSpecification
     cellar == :any_skip_relocation
   end
 
-  sig { params(tag: T.any(Symbol, Utils::Bottles::Tag), exact: T::Boolean).returns(T::Boolean) }
+  sig { params(tag: T.any(Symbol, Utils::Bottles::Tag), no_older_versions: T::Boolean).returns(T::Boolean) }
-  def tag?(tag, exact: false)
+  def tag?(tag, no_older_versions: false)
-    checksum_for(tag, exact: exact) ? true : false
+    checksum_for(tag, no_older_versions: no_older_versions) ? true : false
   end
 
   # Checksum methods in the DSL's bottle block take
@@ -544,13 +544,13 @@ class BottleSpecification
   sig {
     params(
       tag:               T.any(Symbol, Utils::Bottles::Tag),
-      exact: T::Boolean,
+      no_older_versions: T::Boolean,
     ).returns(
       T.nilable([Checksum, Symbol, T.any(Symbol, String)]),
     )
   }
-  def checksum_for(tag, exact: false)
+  def checksum_for(tag, no_older_versions: false)
-    collector.fetch_checksum_for(tag, exact: exact)
+    collector.fetch_checksum_for(tag, no_older_versions: no_older_versions)
   end
 
   def checksums

Library/Homebrew/utils/bottles.rb

@@ -205,20 +205,20 @@ module Utils
       sig {
         params(
           tag:               T.any(Symbol, Utils::Bottles::Tag),
-          exact: T::Boolean,
+          no_older_versions: T::Boolean,
         ).returns(
           T.nilable([Checksum, Symbol, T.any(Symbol, String)]),
         )
       }
-      def fetch_checksum_for(tag, exact: false)
+      def fetch_checksum_for(tag, no_older_versions: false)
         tag = Utils::Bottles::Tag.from_symbol(tag) if tag.is_a?(Symbol)
-        tag = find_matching_tag(tag, exact: exact)&.to_sym
+        tag = find_matching_tag(tag, no_older_versions: no_older_versions)&.to_sym
         return self[tag][:checksum], tag, self[tag][:cellar] if tag
       end
 
       private
 
-      def find_matching_tag(tag, exact: false)
+      def find_matching_tag(tag, no_older_versions: false)
         tag if key?(tag.to_sym)
       end
     end