Drop Darcs support (#26391).

Patch by Go MAEDA.

git-svn-id: http://svn.redmine.org/redmine/trunk@16886 e93f8b46-1217-0410-a6f0-8f06a7374b81

Author: jplang

app/helpers/repositories_helper.rb

@@ -157,15 +157,6 @@ def subversion_field_tags(form, repository)
                             :onchange => "this.name='repository[password]';"))
   end
 
-  def darcs_field_tags(form, repository)
-    content_tag('p', form.text_field(
-                     :url, :label => l(:field_path_to_repository),
-                     :size => 60, :required => true,
-                     :disabled => !repository.safe_attribute?('url')) +
-                     scm_path_info_tag(repository)) +
-    scm_log_encoding_tag(form, repository)
-  end
-
   def mercurial_field_tags(form, repository)
     content_tag('p', form.text_field(
                        :url, :label => l(:field_path_to_repository),
@@ -279,7 +270,7 @@ def index_commits(commits, heads)
       }
     end
     heads.sort! { |head1, head2| head1.to_s <=> head2.to_s }
-    space = nil  
+    space = nil
     heads.each do |head|
       if commits_by_scmid.include? head.scmid
         space = index_head((space || -1) + 1, head, commits_by_scmid)

app/models/repository/darcs.rb

@@ -99,14 +99,12 @@ default:
   # scm_git_command:        /usr/local/bin/git                        # (default: git)
   # scm_cvs_command:        cvs                                       # (default: cvs)
   # scm_bazaar_command:     bzr.exe                                   # (default: bzr)
-  # scm_darcs_command:      darcs-1.0.9-i386-linux                    # (default: darcs)
   #
   scm_subversion_command:
   scm_mercurial_command:
   scm_git_command:
   scm_cvs_command:
   scm_bazaar_command:
-  scm_darcs_command:
 
   # SCM paths validation.
   #
@@ -132,7 +130,6 @@ default:
   scm_git_path_regexp:
   scm_cvs_path_regexp:
   scm_bazaar_path_regexp:
-  scm_darcs_path_regexp:
   scm_filesystem_path_regexp:
 
   # Absolute path to the SCM commands errors (stderr) log file.

config/configuration.yml.example

@@ -119,7 +119,6 @@ enabled_scm:
   serialized: true
   default:
   - Subversion
-  - Darcs
   - Mercurial
   - Cvs
   - Bazaar

config/settings.yml

@@ -6,7 +6,7 @@
 require 'rubygems'
 
 Version = "1.5"
-SUPPORTED_SCM = %w( Subversion Darcs Mercurial Bazaar Git Filesystem )
+SUPPORTED_SCM = %w( Subversion Mercurial Bazaar Git Filesystem )
 
 $verbose      = 0
 $quiet        = false

extra/svn/reposman.rb

@@ -66,7 +66,6 @@
 require 'redmine/plugin'
 
 Redmine::Scm::Base.add "Subversion"
-Redmine::Scm::Base.add "Darcs"
 Redmine::Scm::Base.add "Mercurial"
 Redmine::Scm::Base.add "Cvs"
 Redmine::Scm::Base.add "Bazaar"