Redmine

A solution (and it works...) :

diff -urN redmine.orig/app/models/user.rb redmine/app/models/user.rb
--- redmine.orig/app/models/user.rb    2010-03-05 10:40:26.000000000 +0000
+++ redmine/app/models/user.rb    2010-03-05 10:24:02.000000000 +0000
@@ -57,7 +57,7 @@
   validates_uniqueness_of :mail, :if => Proc.new { |user| !user.mail.blank? }, :case_sensitive => false
   # Login must contain lettres, numbers, underscores only
   validates_format_of :login, :with => /^[a-z0-9_\-@\.]*$/i
-  validates_length_of :login, :maximum => 30
+  validates_length_of :login, :maximum => 60
   validates_format_of :firstname, :lastname, :with => /^[\w\s\'\-\.]*$/i
   validates_length_of :firstname, :lastname, :maximum => 30
   validates_format_of :mail, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i, :allow_nil => true
diff -urN redmine.orig/db/migrate/20100305102409_login60.rb redmine/db/migrate/20100305102409_login60.rb
--- redmine.orig/db/migrate/20100305102409_login60.rb    1970-01-01 00:00:00.000000000 +0000
+++ redmine/db/migrate/20100305102409_login60.rb    2010-03-05 10:31:21.000000000 +0000
@@ -0,0 +1,9 @@
+class Login60 < ActiveRecord::Migration
+  def self.up
+    change_column :users, :login, :string, :limit => 60
+  end
+
+  def self.down
+    change_column :users, :login, :string, :limit => 30
+  end
+end

See #2719.