Make build_bottle an explicit installer mode

Library/Homebrew/cmd/install.rb

@@ -106,6 +106,7 @@ module Homebrew extend self
     fi = FormulaInstaller.new(f)
     fi.ignore_deps = ARGV.ignore_deps? || ARGV.interactive?
     fi.only_deps = ARGV.only_deps?
+    fi.build_bottle = ARGV.build_bottle?
     fi.prelude
     fi.install
     fi.caveats

Library/Homebrew/extend/ARGV.rb

@@ -144,7 +144,7 @@ module HomebrewArgvExtension
 
   def build_from_source?
     include? '--build-from-source' or !ENV['HOMEBREW_BUILD_FROM_SOURCE'].nil? \
-      or build_head? or build_devel? or build_universal? or build_bottle?
+      or build_head? or build_devel? or build_universal?
   end
 
   def flag? flag
@@ -184,7 +184,6 @@ module HomebrewArgvExtension
     old_args = clone
 
     flags_to_clear = %w[
-      --build-bottle
       --debug -d
       --devel
       --interactive -i

Library/Homebrew/formula.rb

@@ -80,11 +80,15 @@ class Formula
     end
   end
 
+  def select_bottle?
+    !ARGV.build_bottle? && install_bottle?(self)
+  end
+
   def determine_active_spec
     case
     when head && ARGV.build_head?        then head    # --HEAD
     when devel && ARGV.build_devel?      then devel   # --devel
-    when bottle && install_bottle?(self) then bottle  # bottle available
+    when bottle && select_bottle?        then bottle  # bottle available
     when stable                          then stable
     when devel && stable.nil?            then devel   # devel-only
     when head && stable.nil?             then head    # head-only

Library/Homebrew/formula_installer.rb

@@ -118,7 +118,7 @@ class FormulaInstaller
 
     return if only_deps
 
-    if ARGV.build_bottle? && (arch = ARGV.bottle_arch) && !Hardware::CPU.optimization_flags.include?(arch)
+    if build_bottle && (arch = ARGV.bottle_arch) && !Hardware::CPU.optimization_flags.include?(arch)
       raise "Unrecognized architecture for --bottle-arch: #{arch}"
     end
 
@@ -152,7 +152,7 @@ class FormulaInstaller
       opoo "Bottle installation failed: building from source."
     end
 
-    build_bottle_preinstall if ARGV.build_bottle?
+    build_bottle_preinstall if build_bottle
 
     unless @poured_bottle
       compute_and_install_dependencies if @pour_failed and not ignore_deps
@@ -160,7 +160,7 @@ class FormulaInstaller
       clean
     end
 
-    build_bottle_postinstall if ARGV.build_bottle?
+    build_bottle_postinstall if build_bottle
 
     opoo "Nothing was installed to #{f.prefix}" unless f.installed?
   end
@@ -394,6 +394,7 @@ class FormulaInstaller
   def sanitized_ARGV_options
     args = ARGV.options_only
     args.delete "--ignore-dependencies" unless ignore_deps
+    args.delete "--build-bottle" unless build_bottle
     args
   end