Remove dependency to sequel, sqlite3 and grit

Not every installation will use git + sql. Try to give helpful error
message on missing dependencies.

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/oxidized/output/git.rb b/lib/oxidized/output/git.rb
index ff9237b..6f232cb 100644
--- a/lib/oxidized/output/git.rb
+++ b/lib/oxidized/output/git.rb
@@ -1,6 +1,10 @@
 module Oxidized
 class Git < Output
-  require 'grit'
+  begin
+    require 'grit'
+  rescue LoadError
+    raise LoadError, 'grit not found: sudo gem install grit'
+  end
   require 'oxidized/fix/grit' if RUBY_VERSION[0..1] == '2.'
   include Grit