lib/aptinstaller/aptinstaller.rb in ngauthier-aptinstaller-0.3.0 vs lib/aptinstaller/aptinstaller.rb in ngauthier-aptinstaller-0.3.1

@@ -19,9 +19,15 @@
 
   def self.autopkg_install(rails_root = '.')
     rails_root ||= '.' # in case they pass in nil
     config_yaml = self.read_yaml_file(File.join(rails_root, 'config', 'aptinstaller.yml'))
     packages = self.detect_packages_to_install(config_yaml['packages'])
+    if `which apt-get`.size == 0
+      $stderr.write "I'm sorry, but we currently only support apt based package systems\n"
+      $stderr.write "You will have to install the packages yourself\n"
+      $stderr.flush
+      exit(1)
+    end
     if packages.size > 0
       exec("apt-get install #{packages.collect{|p| p['package'] || p['executable'] }.join(" ")}")
     else
       puts "All dependencies are installed"
     end