Merge pull request #12015 from FnControlOption/issue-11900

install, upgrade: don't print message if formula already installed

Library/Homebrew/install.rb

@@ -289,6 +289,8 @@ module Homebrew
     def install_formula(formula_installer, only_deps: false)
       f = formula_installer.formula
 
+      formula_installer.prelude
+
       f.print_tap_action
 
       if f.linked_keg.directory?
@@ -316,8 +318,6 @@ module Homebrew
         end
       end
 
-      formula_installer.prelude
-
       kegs.each(&:unlink) if kegs.present?
 
       formula_installer.install

Library/Homebrew/upgrade.rb

@@ -165,12 +165,12 @@ module Homebrew
       if dry_run
         print_dry_run_dependencies(formula, formula_installer.compute_dependencies)
         return
-      else
-        print_upgrade_message(formula, formula_installer.options)
       end
 
       formula_installer.prelude
 
+      print_upgrade_message(formula, formula_installer.options)
+
       # first we unlink the currently active keg for this formula otherwise it is
       # possible for the existing build to interfere with the build we are about to
       # do! Seriously, it happens!