root@redmine:/opt/redmine-4# RAILS_ENV=production bin/about

sh: svn: command not found
sh: hg: command not found
sh: cvs: command not found
sh: bzr: command not found
Environment:
  Redmine version                4.0.4.stable
  Ruby version                   2.5.1-p57 (2018-03-29) [x86_64-linux-gnu]
  Rails version                  5.2.3
  Environment                    production
  Database adapter               Mysql2
  Mailer queue                   ActiveJob::QueueAdapters::AsyncAdapter
  Mailer delivery                smtp
SCM:
  Git                            2.17.1
  Filesystem                     
Redmine plugins:
  no plugin installed
root@redmine:/opt/redmine-4# 

