exe/solargraph-rails-init in solargraph-rails-init-0.2.1 vs exe/solargraph-rails-init in solargraph-rails-init-0.2.2

@@ -6,10 +6,16 @@
 SOLARGRAPH_YML = ".solargraph.yml"
 DEFINITIONS_RB = "config/definitions.rb"
 
 def run
   parse_options
+
+  unless is_rails?
+    puts "Must run from a Rails app folder. Aborting."
+    exit 1
+  end
+
   exec_cmd "gem install solargraph",   title: "Installing Solargraph gem..."
   exec_cmd "solargraph download-core", title: "Installing documentation. This might take a while..."
   exec_cmd "yard gems"
   exec_cmd "solargraph bundle"
 
@@ -26,9 +32,13 @@
   end
 
   install_sgr if install_sgr?
 
   puts "Done!"
+end
+
+def is_rails?
+  File.exist?(File.join(Dir.pwd, './bin/rails'))
 end
 
 def exec_cmd(cmd, title: nil)
   puts title if title
   out = `#{cmd}`