243 lines
8.7 KiB
Ruby
243 lines
8.7 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2011 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'redmine/scm/adapters/abstract_adapter'
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require 'rexml/document'
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module Redmine
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module Scm
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module Adapters
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class DarcsAdapter < AbstractAdapter
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# Darcs executable name
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DARCS_BIN = Redmine::Configuration['scm_darcs_command'] || "darcs"
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class << self
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def client_command
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@@bin ||= DARCS_BIN
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end
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def sq_bin
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@@sq_bin ||= shell_quote_command
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end
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def client_version
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@@client_version ||= (darcs_binary_version || [])
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end
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def client_available
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!client_version.empty?
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end
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def darcs_binary_version
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darcsversion = darcs_binary_version_from_command_line.dup
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if darcsversion.respond_to?(:force_encoding)
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darcsversion.force_encoding('ASCII-8BIT')
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end
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if m = darcsversion.match(%r{\A(.*?)((\d+\.)+\d+)})
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m[2].scan(%r{\d+}).collect(&:to_i)
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end
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end
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def darcs_binary_version_from_command_line
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shellout("#{sq_bin} --version") { |io| io.read }.to_s
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end
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end
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def initialize(url, root_url=nil, login=nil, password=nil,
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path_encoding=nil)
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@url = url
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@root_url = url
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end
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def supports_cat?
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# cat supported in darcs 2.0.0 and higher
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self.class.client_version_above?([2, 0, 0])
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end
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# Get info about the darcs repository
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def info
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rev = revisions(nil,nil,nil,{:limit => 1})
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rev ? Info.new({:root_url => @url, :lastrev => rev.last}) : nil
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end
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# Returns an Entries collection
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# or nil if the given path doesn't exist in the repository
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def entries(path=nil, identifier=nil, options={})
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path_prefix = (path.blank? ? '' : "#{path}/")
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if path.blank?
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path = ( self.class.client_version_above?([2, 2, 0]) ? @url : '.' )
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end
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entries = Entries.new
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cmd = "#{self.class.sq_bin} annotate --repodir #{shell_quote @url} --xml-output"
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cmd << " --match #{shell_quote("hash #{identifier}")}" if identifier
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cmd << " #{shell_quote path}"
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shellout(cmd) do |io|
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begin
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doc = REXML::Document.new(io)
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if doc.root.name == 'directory'
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doc.elements.each('directory/*') do |element|
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next unless ['file', 'directory'].include? element.name
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entries << entry_from_xml(element, path_prefix)
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end
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elsif doc.root.name == 'file'
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entries << entry_from_xml(doc.root, path_prefix)
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end
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rescue
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end
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end
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return nil if $? && $?.exitstatus != 0
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entries.compact!
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entries.sort_by_name
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end
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def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
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path = '.' if path.blank?
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revisions = Revisions.new
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cmd = "#{self.class.sq_bin} changes --repodir #{shell_quote @url} --xml-output"
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cmd << " --from-match #{shell_quote("hash #{identifier_from}")}" if identifier_from
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cmd << " --last #{options[:limit].to_i}" if options[:limit]
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shellout(cmd) do |io|
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begin
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doc = REXML::Document.new(io)
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doc.elements.each("changelog/patch") do |patch|
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message = patch.elements['name'].text
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message << "\n" + patch.elements['comment'].text.gsub(/\*\*\*END OF DESCRIPTION\*\*\*.*\z/m, '') if patch.elements['comment']
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revisions << Revision.new({:identifier => nil,
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:author => patch.attributes['author'],
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:scmid => patch.attributes['hash'],
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:time => Time.parse(patch.attributes['local_date']),
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:message => message,
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:paths => (options[:with_path] ? get_paths_for_patch(patch.attributes['hash']) : nil)
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})
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end
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rescue
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end
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end
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return nil if $? && $?.exitstatus != 0
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revisions
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end
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def diff(path, identifier_from, identifier_to=nil)
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path = '*' if path.blank?
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cmd = "#{self.class.sq_bin} diff --repodir #{shell_quote @url}"
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if identifier_to.nil?
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cmd << " --match #{shell_quote("hash #{identifier_from}")}"
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else
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cmd << " --to-match #{shell_quote("hash #{identifier_from}")}"
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cmd << " --from-match #{shell_quote("hash #{identifier_to}")}"
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end
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cmd << " -u #{shell_quote path}"
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diff = []
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shellout(cmd) do |io|
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io.each_line do |line|
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diff << line
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end
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end
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return nil if $? && $?.exitstatus != 0
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diff
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end
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def cat(path, identifier=nil)
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cmd = "#{self.class.sq_bin} show content --repodir #{shell_quote @url}"
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cmd << " --match #{shell_quote("hash #{identifier}")}" if identifier
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cmd << " #{shell_quote path}"
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cat = nil
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shellout(cmd) do |io|
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io.binmode
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cat = io.read
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end
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return nil if $? && $?.exitstatus != 0
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cat
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end
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private
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# Returns an Entry from the given XML element
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# or nil if the entry was deleted
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def entry_from_xml(element, path_prefix)
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modified_element = element.elements['modified']
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if modified_element.elements['modified_how'].text.match(/removed/)
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return nil
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end
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Entry.new({:name => element.attributes['name'],
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:path => path_prefix + element.attributes['name'],
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:kind => element.name == 'file' ? 'file' : 'dir',
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:size => nil,
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:lastrev => Revision.new({
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:identifier => nil,
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:scmid => modified_element.elements['patch'].attributes['hash']
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})
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})
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end
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def get_paths_for_patch(hash)
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paths = get_paths_for_patch_raw(hash)
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if self.class.client_version_above?([2, 4])
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orig_paths = paths
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paths = []
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add_paths = []
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add_paths_name = []
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mod_paths = []
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other_paths = []
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orig_paths.each do |path|
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if path[:action] == 'A'
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add_paths << path
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add_paths_name << path[:path]
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elsif path[:action] == 'M'
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mod_paths << path
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else
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other_paths << path
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end
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end
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add_paths_name.each do |add_path|
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mod_paths.delete_if { |m| m[:path] == add_path }
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end
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paths.concat add_paths
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paths.concat mod_paths
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paths.concat other_paths
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end
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paths
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end
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# Retrieve changed paths for a single patch
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def get_paths_for_patch_raw(hash)
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cmd = "#{self.class.sq_bin} annotate --repodir #{shell_quote @url} --summary --xml-output"
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cmd << " --match #{shell_quote("hash #{hash}")} "
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paths = []
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shellout(cmd) do |io|
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begin
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# Darcs xml output has multiple root elements in this case (tested with darcs 1.0.7)
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# A root element is added so that REXML doesn't raise an error
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doc = REXML::Document.new("<fake_root>" + io.read + "</fake_root>")
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doc.elements.each('fake_root/summary/*') do |modif|
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paths << {:action => modif.name[0,1].upcase,
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:path => "/" + modif.text.chomp.gsub(/^\s*/, '')
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}
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end
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rescue
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end
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end
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paths
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rescue CommandFailed
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paths
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end
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end
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end
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end
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end
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