Hey,
I was installed git-commit-notifier and configured. When I tried: git commit -m "test"
I'v got below message:

/Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/lib/git_commit_notifier.rb:4:in require': /Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/lib/git_commit_notifier/emailer.rb:161: invalid multibyte escape: /[\000-\011\013\014\016-\037\177-\377]/ (SyntaxError) from /Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/lib/git_commit_notifier.rb:4:in<top (required)>'
from /Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/lib/git_commit_notifier/executor.rb:3:in require' from /Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/lib/git_commit_notifier/executor.rb:3:in<top (required)>'
from /Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/bin/git-commit-notifier:13:in require' from /Users/x0vh/.rvm/gems/ruby-2.1.1/gems/git-commit-notifier-0.10.1/bin/git-commit-notifier:13:in<top (required)>'
from /Users/x0vh/.rvm/gems/ruby-2.1.1/bin/git-commit-notifier:23:in load' from /Users/x0vh/.rvm/gems/ruby-2.1.1/bin/git-commit-notifier:23:in

'
from /Users/x0vh/.rvm/gems/ruby-2.1.1/bin/ruby_executable_hooks:15:in eval' from /Users/x0vh/.rvm/gems/ruby-2.1.1/bin/ruby_executable_hooks:15:in'