lib/bin_install/postgres.rb in bin_install-0.0.6 vs lib/bin_install/postgres.rb in bin_install-0.0.9

@@ -1,15 +1,15 @@
 module BinInstall
   module Postgres
     def self.install
       puts 'Installing PostgreSQL...'.white
-      Brew.install_or_upgrade('postgresql')
+      Brew::Package.install_or_upgrade('postgresql')
     end
 
     def self.install!
       puts 'Installing PostgreSQL...'.white
-      Brew.install_or_upgrade!('postgresql')
+      Brew::Package.install_or_upgrade!('postgresql')
     end
 
     def self.create_superuser(username = 'postgres')
       system("createuser --superuser #{username}")
     end
@@ -22,8 +22,12 @@
       system("createuser #{username}")
     end
 
     def self.create_user!(username = 'postgres')
       BinInstall.system!("createuser #{username}")
+    end
+
+    def self.installed?
+      Shell.executable_exists?('psql')
     end
   end
 end