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migrate_from_trac.rake
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migrate_from_trac.rake
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# redMine - project management software
# Copyright (C) 2006-2007 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'active_record'
require 'iconv'
require 'pp'
namespace :redmine do
desc 'Trac migration script'
task :migrate_from_trac => :environment do
module TracMigrate
TICKET_MAP = []
DEFAULT_STATUS = IssueStatus.default
assigned_status = IssueStatus.find_by_position(2)
resolved_status = IssueStatus.find_by_position(3)
feedback_status = IssueStatus.find_by_position(4)
closed_status = IssueStatus.find :first, :conditions => { :is_closed => true }
STATUS_MAPPING = {'new' => DEFAULT_STATUS,
'reopened' => feedback_status,
'assigned' => assigned_status,
'closed' => closed_status
}
priorities = IssuePriority.all
DEFAULT_PRIORITY = priorities[0]
PRIORITY_MAPPING = {'lowest' => priorities[0],
'low' => priorities[0],
'normal' => priorities[1],
'high' => priorities[2],
'highest' => priorities[3],
# ---
'trivial' => priorities[0],
'minor' => priorities[1],
'major' => priorities[2],
'critical' => priorities[3],
'blocker' => priorities[4]
}
TRACKER_BUG = Tracker.find_by_position(1)
TRACKER_FEATURE = Tracker.find_by_position(2)
DEFAULT_TRACKER = TRACKER_BUG
TRACKER_MAPPING = {'defect' => TRACKER_BUG,
'enhancement' => TRACKER_FEATURE,
'task' => TRACKER_FEATURE,
'patch' =>TRACKER_FEATURE
}
roles = Role.find(:all, :conditions => {:builtin => 0}, :order => 'position ASC')
manager_role = roles[0]
developer_role = roles[1]
DEFAULT_ROLE = roles.last
ROLE_MAPPING = {'admin' => manager_role,
'developer' => developer_role
}
class ::Time
class << self
alias :real_now :now
def now
real_now - @fake_diff.to_i
end
def fake(time)
@fake_diff = real_now - time
res = yield
@fake_diff = 0
res
end
end
end
class TracComponent < ActiveRecord::Base
set_table_name :component
end
class TracMilestone < ActiveRecord::Base
set_table_name :milestone
# If this attribute is set a milestone has a defined target timepoint
def due
if read_attribute(:due) && read_attribute(:due) > 0
Time.at(read_attribute(:due)).to_date
else
nil
end
end
# This is the real timepoint at which the milestone has finished.
def completed
if read_attribute(:completed) && read_attribute(:completed) > 0
Time.at(read_attribute(:completed)).to_date
else
nil
end
end
def description
# Attribute is named descr in Trac v0.8.x
has_attribute?(:descr) ? read_attribute(:descr) : read_attribute(:description)
end
end
class TracTicketCustom < ActiveRecord::Base
set_table_name :ticket_custom
end
class TracAttachment < ActiveRecord::Base
set_table_name :attachment
set_inheritance_column :none
def time; Time.at(read_attribute(:time)) end
def original_filename
filename
end
def content_type
''
end
def exist?
File.file? trac_fullpath
end
def open
File.open("#{trac_fullpath}", 'rb') {|f|
@file = f
yield self
}
end
def read(*args)
@file.read(*args)
end
def description
read_attribute(:description).to_s.slice(0,255)
end
private
def trac_fullpath
attachment_type = read_attribute(:type)
trac_file = filename.gsub( /[^a-zA-Z0-9\-_\.!~*]/n ) {|x| sprintf('%%%02X', x[0]) }
trac_dir = id.gsub( /[^a-zA-Z0-9\-_\.!~*\\\/]/n ) {|x| sprintf('%%%02X', x[0]) }
"#{TracMigrate.trac_attachments_directory}/#{attachment_type}/#{trac_dir}/#{trac_file}"
end
end
class TracTicket < ActiveRecord::Base
set_table_name :ticket
set_inheritance_column :none
# ticket changes: only migrate status changes and comments
has_many :changes, :class_name => "TracTicketChange", :foreign_key => :ticket
has_many :attachments, :class_name => "TracAttachment",
:finder_sql => "SELECT DISTINCT attachment.* FROM #{TracMigrate::TracAttachment.table_name}" +
" WHERE #{TracMigrate::TracAttachment.table_name}.type = 'ticket'" +
' AND #{TracMigrate::TracAttachment.table_name}.id = \"#{id}\"'
has_many :customs, :class_name => "TracTicketCustom", :foreign_key => :ticket
def ticket_type
read_attribute(:type)
end
def summary
read_attribute(:summary).blank? ? "(no subject)" : read_attribute(:summary)
end
def description
read_attribute(:description).blank? ? summary : read_attribute(:description)
end
def time; Time.at(read_attribute(:time)) end
def changetime; Time.at(read_attribute(:changetime)) end
end
class TracTicketChange < ActiveRecord::Base
set_table_name :ticket_change
def time; Time.at(read_attribute(:time)) end
end
TRAC_WIKI_PAGES = %w(InterMapTxt InterTrac InterWiki RecentChanges SandBox TracAccessibility TracAdmin TracBackup \
TracBrowser TracCgi TracChangeset TracInstallPlatforms TracMultipleProjects TracModWSGI \
TracEnvironment TracFastCgi TracGuide TracImport TracIni TracInstall TracInterfaceCustomization \
TracLinks TracLogging TracModPython TracNotification TracPermissions TracPlugins TracQuery \
TracReports TracRevisionLog TracRoadmap TracRss TracSearch TracStandalone TracSupport TracSyntaxColoring TracTickets \
TracTicketsCustomFields TracTimeline TracUnicode TracUpgrade TracWiki WikiDeletePage WikiFormatting \
WikiHtml WikiMacros WikiNewPage WikiPageNames WikiProcessors WikiRestructuredText WikiRestructuredTextLinks \
CamelCase TitleIndex TracNavigation TracFineGrainedPermissions TracWorkflow TimingAndEstimationPluginUserManual \
PageTemplates)
class TracWikiPage < ActiveRecord::Base
set_table_name :wiki
set_primary_key :name
has_many :attachments, :class_name => "TracAttachment",
:finder_sql => "SELECT DISTINCT attachment.* FROM #{TracMigrate::TracAttachment.table_name}" +
" WHERE #{TracMigrate::TracAttachment.table_name}.type = 'wiki'" +
' AND #{TracMigrate::TracAttachment.table_name}.id = \"#{id}\"'
def self.columns
# Hides readonly Trac field to prevent clash with AR readonly? method (Rails 2.0)
super.select {|column| column.name.to_s != 'readonly'}
end
def time; Time.at(read_attribute(:time)) end
end
class TracPermission < ActiveRecord::Base
set_table_name :permission
end
class TracSessionAttribute < ActiveRecord::Base
set_table_name :session_attribute
end
def self.find_or_create_user(username, project_member = false)
return User.anonymous if username.blank?
u = User.find_by_login(username)
if !u
# Create a new user if not found
mail = username[0,limit_for(User, 'mail')]
if mail_attr = TracSessionAttribute.find_by_sid_and_name(username, 'email')
mail = mail_attr.value
end
mail = "#{mail}@foo.bar" unless mail.include?("@")
name = username
if name_attr = TracSessionAttribute.find_by_sid_and_name(username, 'name')
name = name_attr.value
end
name =~ (/(.+?)(?:[\ \t]+(.+)?|[\ \t]+|)$/)
fn = $1.strip
ln = ($2 || '').strip
u = User.new :mail => mail.gsub(/[^-@a-z0-9\.]/i, '-'),
:firstname => fn[0, limit_for(User, 'firstname')].gsub(/[^\w\s\'\-]/i, '-'),
:lastname => ln[0, limit_for(User, 'lastname')].gsub(/[^\w\s\'\-]/i, '-')
u.login = username[0,limit_for(User, 'login')].gsub(/[^a-z0-9_\-@\.]/i, '-')
u.password = 'trac'
u.admin = true if TracPermission.find_by_username_and_action(username, 'admin')
# finally, a default user is used if the new user is not valid
u = User.find(:first) unless u.save
end
# Make sure he is a member of the project
if project_member && !u.member_of?(@target_project)
role = DEFAULT_ROLE
if u.admin
role = ROLE_MAPPING['admin']
elsif TracPermission.find_by_username_and_action(username, 'developer')
role = ROLE_MAPPING['developer']
end
Member.create(:user => u, :project => @target_project, :roles => [role])
u.reload
end
u
end
# Basic wiki syntax conversion
def self.convert_wiki_text(text)
convert_wiki_text_mapping(text, TICKET_MAP)
end
def self.migrate
establish_connection
# Quick database test
TracComponent.count
migrated_components = 0
migrated_milestones = 0
migrated_tickets = 0
migrated_custom_values = 0
migrated_ticket_attachments = 0
migrated_wiki_edits = 0
migrated_wiki_attachments = 0
# Wiki system initializing...
@target_project.wiki.destroy if @target_project.wiki
@target_project.reload
wiki = Wiki.new(:project => @target_project, :start_page => 'WikiStart')
wiki_edit_count = 0
# Components
who = "Migrating components"
issues_category_map = {}
components_total = TracComponent.count
TracComponent.find(:all).each do |component|
c = IssueCategory.new :project => @target_project,
:name => encode(component.name[0, limit_for(IssueCategory, 'name')])
# Owner
unless component.owner.blank?
c.assigned_to = find_or_create_user(component.owner, true)
end
next unless c.save
issues_category_map[component.name] = c
migrated_components += 1
simplebar(who, migrated_components, components_total)
end
puts if migrated_components < components_total
# Milestones
who = "Migrating milestones"
version_map = {}
milestone_wiki = Array.new
milestones_total = TracMilestone.count
TracMilestone.find(:all).each do |milestone|
# First we try to find the wiki page...
p = wiki.find_or_new_page(milestone.name.to_s)
p.content = WikiContent.new(:page => p) if p.new_record?
p.content.text = milestone.description.to_s
p.content.author = find_or_create_user('trac')
p.content.comments = 'Milestone'
p.save
v = Version.new :project => @target_project,
:name => encode(milestone.name[0, limit_for(Version, 'name')]),
:description => nil,
:wiki_page_title => milestone.name.to_s,
:effective_date => milestone.completed
next unless v.save
version_map[milestone.name] = v
milestone_wiki.push(milestone.name);
migrated_milestones += 1
simplebar(who, migrated_milestones, milestones_total)
end
puts if migrated_milestones < milestones_total
# Custom fields
# TODO: read trac.ini instead
#print "Migrating custom fields"
custom_field_map = {}
TracTicketCustom.find_by_sql("SELECT DISTINCT name FROM #{TracTicketCustom.table_name}").each do |field|
#print '.' # Maybe not needed this out?
#STDOUT.flush
# Redmine custom field name
field_name = encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize
# Find if the custom already exists in Redmine
f = IssueCustomField.find_by_name(field_name)
# Or create a new one
f ||= IssueCustomField.create(:name => encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize,
:field_format => 'string')
next if f.new_record?
f.trackers = Tracker.find(:all)
f.projects << @target_project
custom_field_map[field.name] = f
end
#puts
# Trac 'resolution' field as a Redmine custom field
r = IssueCustomField.find(:first, :conditions => { :name => "Resolution" })
r = IssueCustomField.new(:name => 'Resolution',
:field_format => 'list',
:is_filter => true) if r.nil?
r.trackers = Tracker.find(:all)
r.projects << @target_project
r.possible_values = (r.possible_values + %w(fixed invalid wontfix duplicate worksforme)).flatten.compact.uniq
r.save!
custom_field_map['resolution'] = r
# Trac 'keywords' field as a Redmine custom field
k = IssueCustomField.find(:first, :conditions => { :name => "Keywords" })
k = IssueCustomField.new(:name => 'Keywords',
:field_format => 'string',
:is_filter => true) if k.nil?
k.trackers = Tracker.find(:all)
k.projects << @target_project
k.save!
custom_field_map['keywords'] = k
# Trac ticket id as a Redmine custom field
tid = IssueCustomField.find(:first, :conditions => { :name => "TracID" })
tid = IssueCustomField.new(:name => 'TracID',
:field_format => 'string',
:is_filter => true) if tid.nil?
tid.trackers = Tracker.find(:all)
tid.projects << @target_project
tid.save!
custom_field_map['tracid'] = tid
# Tickets
who = "Migrating tickets"
tickets_total = TracTicket.count
TracTicket.find_each(:batch_size => 200) do |ticket|
i = Issue.new :project => @target_project,
:subject => encode(ticket.summary[0, limit_for(Issue, 'subject')]),
:description => encode(ticket.description),
:priority => PRIORITY_MAPPING[ticket.priority] || DEFAULT_PRIORITY,
:created_on => ticket.time
i.author = find_or_create_user(ticket.reporter)
i.category = issues_category_map[ticket.component] unless ticket.component.blank?
i.fixed_version = version_map[ticket.milestone] unless ticket.milestone.blank?
i.status = STATUS_MAPPING[ticket.status] || DEFAULT_STATUS
i.tracker = TRACKER_MAPPING[ticket.ticket_type] || DEFAULT_TRACKER
i.id = ticket.id unless Issue.exists?(ticket.id)
next unless Time.fake(ticket.changetime) { i.save }
TICKET_MAP[ticket.id] = i.id
migrated_tickets += 1
simplebar(who, migrated_tickets, tickets_total)
# Owner
unless ticket.owner.blank?
i.assigned_to = find_or_create_user(ticket.owner, true)
Time.fake(ticket.changetime) { i.save }
end
# Comments and status/resolution/keywords changes
ticket.changes.group_by(&:time).each do |time, changeset|
status_change = changeset.select {|change| change.field == 'status'}.first
resolution_change = changeset.select {|change| change.field == 'resolution'}.first
keywords_change = changeset.select {|change| change.field == 'keywords'}.first
comment_change = changeset.select {|change| change.field == 'comment'}.first
n = Journal.new :notes => (comment_change ? encode(comment_change.newvalue) : ''),
:created_on => time
n.user = find_or_create_user(changeset.first.author)
n.journalized = i
if status_change &&
STATUS_MAPPING[status_change.oldvalue] &&
STATUS_MAPPING[status_change.newvalue] &&
(STATUS_MAPPING[status_change.oldvalue] != STATUS_MAPPING[status_change.newvalue])
n.details << JournalDetail.new(:property => 'attr',
:prop_key => 'status_id',
:old_value => STATUS_MAPPING[status_change.oldvalue].id,
:value => STATUS_MAPPING[status_change.newvalue].id)
end
if resolution_change
n.details << JournalDetail.new(:property => 'cf',
:prop_key => custom_field_map['resolution'].id,
:old_value => resolution_change.oldvalue,
:value => resolution_change.newvalue)
end
if keywords_change
n.details << JournalDetail.new(:property => 'cf',
:prop_key => custom_field_map['keywords'].id,
:old_value => keywords_change.oldvalue,
:value => keywords_change.newvalue)
end
n.save unless n.details.empty? && n.notes.blank?
end
# Attachments
ticket.attachments.each do |attachment|
next unless attachment.exist?
attachment.open {
a = Attachment.new :created_on => attachment.time
a.file = attachment
a.author = find_or_create_user(attachment.author)
a.container = i
a.description = attachment.description
migrated_ticket_attachments += 1 if a.save
}
end
# Custom fields
custom_values = ticket.customs.inject({}) do |h, custom|
if custom_field = custom_field_map[custom.name]
h[custom_field.id] = custom.value
migrated_custom_values += 1
end
h
end
if custom_field_map['resolution'] && !ticket.resolution.blank?
custom_values[custom_field_map['resolution'].id] = ticket.resolution
end
if custom_field_map['keywords'] && !ticket.keywords.blank?
custom_values[custom_field_map['keywords'].id] = ticket.keywords
end
if custom_field_map['tracid']
custom_values[custom_field_map['tracid'].id] = ticket.id
end
i.custom_field_values = custom_values
i.save_custom_field_values
end
# update issue id sequence if needed (postgresql)
Issue.connection.reset_pk_sequence!(Issue.table_name) if Issue.connection.respond_to?('reset_pk_sequence!')
puts if migrated_tickets < tickets_total
# Wiki
who = "Migrating wiki"
if wiki.save
wiki_edits_total = TracWikiPage.count
TracWikiPage.find(:all, :order => 'name, version').each do |page|
# Do not migrate Trac manual wiki pages
if TRAC_WIKI_PAGES.include?(page.name) then
wiki_edits_total -= 1
next
end
p = wiki.find_or_new_page(page.name)
p.content = WikiContent.new(:page => p) if p.new_record?
p.content.text = page.text
p.content.author = find_or_create_user(page.author) unless page.author.blank? || page.author == 'trac'
p.content.comments = page.comment
Time.fake(page.time) { p.new_record? ? p.save : p.content.save }
migrated_wiki_edits += 1
simplebar(who, migrated_wiki_edits, wiki_edits_total)
next if p.content.new_record?
# Attachments
page.attachments.each do |attachment|
next unless attachment.exist?
next if p.attachments.find_by_filename(attachment.filename.gsub(/^.*(\\|\/)/, '').gsub(/[^\w\.\-]/,'_')) #add only once per page
attachment.open {
a = Attachment.new :created_on => attachment.time
a.file = attachment
a.author = find_or_create_user(attachment.author)
a.description = attachment.description
a.container = p
migrated_wiki_attachments += 1 if a.save
}
end
end
end
puts if migrated_wiki_edits < wiki_edits_total
# Now load each wiki page and transform its content into textile format
puts "\nTransform texts to textile format:"
wiki_pages_count = 0
issues_count = 0
milestone_wiki_count = 0
who = " in Wiki pages"
wiki.reload
wiki_pages_total = wiki.pages.count
wiki.pages.each do |page|
page.content.text = convert_wiki_text(page.content.text)
Time.fake(page.content.updated_on) { page.content.save }
wiki_pages_count += 1
simplebar(who, wiki_pages_count, wiki_pages_total)
end
puts if wiki_pages_count < wiki_pages_total
who = " in Issues"
issues_total = TICKET_MAP.count
TICKET_MAP.each do |newId|
issues_count += 1
simplebar(who, issues_count, issues_total)
next if newId.nil?
issue = findIssue(newId)
next if issue.nil?
# convert issue description
issue.description = convert_wiki_text(issue.description)
issue.save
# convert issue journals
issue.journals.find(:all).each do |journal|
journal.notes = convert_wiki_text(journal.notes)
journal.save
end
end
puts if issues_count < issues_total
who = " in Milestone descriptions"
milestone_wiki_total = milestone_wiki.count
milestone_wiki.each do |name|
milestone_wiki_count += 1
simplebar(who, milestone_wiki_count, milestone_wiki_total)
p = wiki.find_page(name)
next if p.nil?
p.content.text = convert_wiki_text(p.content.text)
p.content.save
end
puts if milestone_wiki_count < milestone_wiki_total
puts
puts "Components: #{migrated_components}/#{components_total}"
puts "Milestones: #{migrated_milestones}/#{milestones_total}"
puts "Tickets: #{migrated_tickets}/#{tickets_total}"
puts "Ticket files: #{migrated_ticket_attachments}/" + TracAttachment.count(:conditions => {:type => 'ticket'}).to_s
puts "Custom values: #{migrated_custom_values}/#{TracTicketCustom.count}"
puts "Wiki edits: #{migrated_wiki_edits}/#{wiki_edits_total}"
puts "Wiki files: #{migrated_wiki_attachments}/" + TracAttachment.count(:conditions => {:type => 'wiki'}).to_s
end
def self.findIssue(id)
return Issue.find(id)
rescue ActiveRecord::RecordNotFound
puts "[#{id}] not found"
nil
end
def self.limit_for(klass, attribute)
klass.columns_hash[attribute.to_s].limit
end
def self.encoding(charset)
@ic = Iconv.new('UTF-8', charset)
rescue Iconv::InvalidEncoding
puts "Invalid encoding!"
return false
end
def self.set_trac_directory(path)
@@trac_directory = path
raise "This directory doesn't exist!" unless File.directory?(path)
raise "#{trac_attachments_directory} doesn't exist!" unless File.directory?(trac_attachments_directory)
@@trac_directory
rescue Exception => e
puts e
return false
end
def self.trac_directory
@@trac_directory
end
def self.set_trac_adapter(adapter)
return false if adapter.blank?
raise "Unknown adapter: #{adapter}!" unless %w(sqlite sqlite3 mysql postgresql).include?(adapter)
# If adapter is sqlite or sqlite3, make sure that trac.db exists
raise "#{trac_db_path} doesn't exist!" if %w(sqlite sqlite3).include?(adapter) && !File.exist?(trac_db_path)
@@trac_adapter = adapter
rescue Exception => e
puts e
return false
end
def self.set_trac_db_host(host)
return nil if host.blank?
@@trac_db_host = host
end
def self.set_trac_db_port(port)
return nil if port.to_i == 0
@@trac_db_port = port.to_i
end
def self.set_trac_db_name(name)
return nil if name.blank?
@@trac_db_name = name
end
def self.set_trac_db_username(username)
@@trac_db_username = username
end
def self.set_trac_db_password(password)
@@trac_db_password = password
end
def self.set_trac_db_schema(schema)
@@trac_db_schema = schema
end
mattr_reader :trac_directory, :trac_adapter, :trac_db_host, :trac_db_port, :trac_db_name, :trac_db_schema, :trac_db_username, :trac_db_password
def self.trac_db_path; "#{trac_directory}/db/trac.db" end
def self.trac_attachments_directory; "#{trac_directory}/attachments" end
def self.target_project_identifier(identifier)
project = Project.find_by_identifier(identifier)
if !project
# create the target project
project = Project.new :name => identifier.humanize,
:description => ''
project.identifier = identifier
puts "Unable to create a project with identifier '#{identifier}'!" unless project.save
# enable issues and wiki for the created project
project.enabled_module_names = ['issue_tracking', 'wiki']
else
puts
puts "This project already exists in your Redmine database."
print "Are you sure you want to append data to this project ? [Y/n] "
STDOUT.flush
exit if STDIN.gets.match(/^n$/i)
end
project.trackers << TRACKER_BUG unless project.trackers.include?(TRACKER_BUG)
project.trackers << TRACKER_FEATURE unless project.trackers.include?(TRACKER_FEATURE)
@target_project = project.new_record? ? nil : project
@target_project.reload
end
def self.connection_params
if %w(sqlite sqlite3).include?(trac_adapter)
{:adapter => trac_adapter,
:database => trac_db_path}
else
{:adapter => trac_adapter,
:database => trac_db_name,
:host => trac_db_host,
:port => trac_db_port,
:username => trac_db_username,
:password => trac_db_password,
:schema_search_path => trac_db_schema
}
end
end
def self.establish_connection
constants.each do |const|
klass = const_get(const)
next unless klass.respond_to? 'establish_connection'
klass.establish_connection connection_params
end
end
private
def self.encode(text)
@ic.iconv text
rescue
text
end
end
puts
if Redmine::DefaultData::Loader.no_data?
puts "Redmine configuration need to be loaded before importing data."
puts "Please, run this first:"
puts
puts " rake redmine:load_default_data RAILS_ENV=\"#{ENV['RAILS_ENV']}\""
exit
end
puts "WARNING: a new project will be added to Redmine during this process."
print "Are you sure you want to continue ? [y/N] "
STDOUT.flush
break unless STDIN.gets.match(/^y$/i)
puts
DEFAULT_PORTS = {'mysql' => 3306, 'postgresql' => 5432}
prompt('Trac directory') {|directory| TracMigrate.set_trac_directory directory.strip}
prompt('Trac database adapter (sqlite, sqlite3, mysql, postgresql)', :default => 'sqlite3') {|adapter| TracMigrate.set_trac_adapter adapter}
unless %w(sqlite sqlite3).include?(TracMigrate.trac_adapter)
prompt('Trac database host', :default => 'localhost') {|host| TracMigrate.set_trac_db_host host}
prompt('Trac database port', :default => DEFAULT_PORTS[TracMigrate.trac_adapter]) {|port| TracMigrate.set_trac_db_port port}
prompt('Trac database name') {|name| TracMigrate.set_trac_db_name name}
prompt('Trac database schema', :default => 'public') {|schema| TracMigrate.set_trac_db_schema schema}
prompt('Trac database username') {|username| TracMigrate.set_trac_db_username username}
prompt('Trac database password') {|password| TracMigrate.set_trac_db_password password}
end
prompt('Trac database encoding', :default => 'UTF-8') {|encoding| TracMigrate.encoding encoding}
prompt('Target project identifier') {|identifier| TracMigrate.target_project_identifier identifier.downcase}
puts
# Turn off email notifications
Setting.notified_events = []
TracMigrate.migrate
end
desc 'Subversion migration script'
task :migrate_from_trac_svn => :environment do
require 'redmine/scm/adapters/abstract_adapter'
require 'redmine/scm/adapters/subversion_adapter'
require 'rexml/document'
require 'uri'
require 'tempfile'
module SvnMigrate
TICKET_MAP = []
class Commit
attr_accessor :revision, :message
def initialize(attributes={})
self.message = attributes[:message] || ""
self.revision = attributes[:revision]
end
end
class SvnExtendedAdapter < Redmine::Scm::Adapters::SubversionAdapter
def set_message(path=nil, revision=nil, msg=nil)
path ||= ''
Tempfile.open('msg') do |tempfile|
# This is a weird thing. We need to cleanup cr/lf so we have uniform line separators
tempfile.print msg.gsub(/\r\n/,'\n')
tempfile.flush
filePath = tempfile.path.gsub(File::SEPARATOR, File::ALT_SEPARATOR || File::SEPARATOR)
cmd = "#{SVN_BIN} propset svn:log --quiet --revprop -r #{revision} -F \"#{filePath}\" "
cmd << credentials_string
cmd << ' ' + target(URI.escape(path))
shellout(cmd) do |io|
begin
loop do
line = io.readline
puts line
end
rescue EOFError
end
end
raise if $? && $?.exitstatus != 0
end
end
def messages(path=nil)
path ||= ''
commits = Array.new
cmd = "#{SVN_BIN} log --xml -r 1:HEAD"
cmd << credentials_string
cmd << ' ' + target(URI.escape(path))
shellout(cmd) do |io|
begin
doc = REXML::Document.new(io)
doc.elements.each("log/logentry") do |logentry|
commits << Commit.new(
{
:revision => logentry.attributes['revision'].to_i,
:message => logentry.elements['msg'].text
})
end
rescue => e
puts"Error !!!"
puts e
end
end
return nil if $? && $?.exitstatus != 0
commits
end
end
def self.migrate
project = Project.find(@@redmine_project)
if !project
puts "Could not find project identifier '#{@@redmine_project}'"
raise
end
tid = IssueCustomField.find(:first, :conditions => { :name => "TracID" })
if !tid
puts "Could not find issue custom field 'TracID'"
raise
end
Issue.find( :all, :conditions => { :project_id => project }).each do |issue|
val = nil
issue.custom_values.each do |value|
if value.custom_field.id == tid.id
val = value
break
end
end
TICKET_MAP[val.value.to_i] = issue.id if !val.nil?
end
svn = self.scm
msgs = svn.messages(@svn_url)
msgs.each do |commit|
newText = convert_wiki_text(commit.message)
if newText != commit.message
puts "Updating message #{commit.revision}"
scm.set_message(@svn_url, commit.revision, newText)
end
end
end
# Basic wiki syntax conversion
def self.convert_wiki_text(text)
convert_wiki_text_mapping(text, TICKET_MAP)
end
def self.set_svn_url(url)
@@svn_url = url
end
def self.set_svn_username(username)
@@svn_username = username
end
def self.set_svn_password(password)
@@svn_password = password
end
def self.set_redmine_project_identifier(identifier)
@@redmine_project = identifier
end
def self.scm
@scm ||= SvnExtendedAdapter.new @@svn_url, @@svn_url, @@svn_username, @@svn_password, 0, "", nil
@scm
end
end
puts
if Redmine::DefaultData::Loader.no_data?
puts "Redmine configuration need to be loaded before importing data."
puts "Please, run this first:"
puts
puts " rake redmine:load_default_data RAILS_ENV=\"#{ENV['RAILS_ENV']}\""
exit
end
puts "WARNING: all commit messages with references to trac pages will be modified"
print "Are you sure you want to continue ? [y/N] "
break unless STDIN.gets.match(/^y$/i)
puts
prompt('Subversion repository url') {|repository| SvnMigrate.set_svn_url repository.strip}
prompt('Subversion repository username') {|username| SvnMigrate.set_svn_username username}
prompt('Subversion repository password') {|password| SvnMigrate.set_svn_password password}
prompt('Redmine project identifier') {|identifier| SvnMigrate.set_redmine_project_identifier identifier}
puts
SvnMigrate.migrate
end
# Prompt
def prompt(text, options = {}, &block)
default = options[:default] || ''
while true
print "#{text} [#{default}]: "
STDOUT.flush
value = STDIN.gets.chomp!
value = default if value.blank?
break if yield value
end
end
# Basic wiki syntax conversion
def convert_wiki_text_mapping(text, ticket_map = [])
# Hide links
def wiki_links_hide(src)
@wiki_links = []
@wiki_links_hash = "####WIKILINKS#{src.hash.to_s}####"
src.gsub(/(\[\[.+?\|.+?\]\])/) do
@wiki_links << $1
@wiki_links_hash
end
end
# Restore links
def wiki_links_restore(src)
@wiki_links.each do |s|
src = src.sub("#{@wiki_links_hash}", s.to_s)
end
src
end
# Hidding code blocks
def code_hide(src)
@code = []
@code_hash = "####CODEBLOCK#{src.hash.to_s}####"
src.gsub(/(\{\{\{.+?\}\}\}|`.+?`)/m) do
@code << $1
@code_hash
end
end
# Convert code blocks
def code_convert(src)
@code.each do |s|
s = s.to_s
if s =~ (/`(.+?)`/m) || s =~ (/\{\{\{(.+?)\}\}\}/) then
# inline code
s = s.replace("@#{$1}@")
else
# We would like to convert the Code highlighting too
# This will go into the next line.
shebang_line = false
# Reguar expression for start of code
pre_re = /\{\{\{/
# Code hightlighing...
shebang_re = /^\#\!([a-z]+)/
# Regular expression for end of code
pre_end_re = /\}\}\}/
# Go through the whole text..extract it line by line
s = s.gsub(/^(.*)$/) do |line|
m_pre = pre_re.match(line)
if m_pre
line = '<pre>'