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# redMine - project management software
# Copyright (C) 2006 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 'rexml/document'
module SvnRepos
class CommandFailed < StandardError #:nodoc:
end
class Base
def initialize(url, login=nil, password=nil)
@url = url
@login = login if login && !login.empty?
@password = (password || "") if @login
end
# Returns the entry identified by path and revision identifier
# or nil if entry doesn't exist in the repository
def entry(path=nil, identifier=nil)
e = entries(path, identifier)
e ? e.first : nil
end
# Returns an Entries collection
# or nil if the given path doesn't exist in the repository
def entries(path=nil, identifier=nil)
path ||= ''
identifier = 'HEAD' unless identifier and identifier > 0
entries = Entries.new
cmd = "svn list --xml #{target(path)}@#{identifier}"
cmd << " --username #{@login} --password #{@password}" if @login
shellout(cmd) do |io|
begin
doc = REXML::Document.new(io)
doc.elements.each("lists/list/entry") do |entry|
entries << Entry.new({:name => entry.elements['name'].text,
:path => ((path.empty? ? "" : "#{path}/") + entry.elements['name'].text),
:kind => entry.attributes['kind'],
:size => (entry.elements['size'] and entry.elements['size'].text).to_i,
:lastrev => Revision.new({
:identifier => entry.elements['commit'].attributes['revision'],
:time => Time.parse(entry.elements['commit'].elements['date'].text),
:author => (entry.elements['commit'].elements['author'] ? entry.elements['commit'].elements['author'].text : "anonymous")
})
})
end
rescue
end
end
return nil if $? && $?.exitstatus != 0
entries.sort_by_name
rescue Errno::ENOENT => e
raise CommandFailed
end
def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
path ||= ''
identifier_from = 'HEAD' unless identifier_from and identifier_from.to_i > 0
identifier_to = 1 unless identifier_to and identifier_to.to_i > 0
revisions = Revisions.new
cmd = "svn log --xml -r #{identifier_from}:#{identifier_to}"
cmd << " --username #{@login} --password #{@password}" if @login
cmd << " --verbose " if options[:with_paths]
cmd << target(path)
shellout(cmd) do |io|
begin
doc = REXML::Document.new(io)
doc.elements.each("log/logentry") do |logentry|
paths = []
logentry.elements.each("paths/path") do |path|
paths << {:action => path.attributes['action'],
:path => path.text
}
end
paths.sort! { |x,y| x[:path] <=> y[:path] }
revisions << Revision.new({:identifier => logentry.attributes['revision'],
:author => (logentry.elements['author'] ? logentry.elements['author'].text : "anonymous"),
:time => Time.parse(logentry.elements['date'].text),
:message => logentry.elements['msg'].text,
:paths => paths
})
end
rescue
end
end
return nil if $? && $?.exitstatus != 0
revisions
rescue Errno::ENOENT => e
raise CommandFailed
end
def diff(path, identifier_from, identifier_to=nil)
path ||= ''
if identifier_to and identifier_to.to_i > 0
identifier_to = identifier_to.to_i
else
identifier_to = identifier_from.to_i - 1
end
cmd = "svn diff -r "
cmd << "#{identifier_to}:"
cmd << "#{identifier_from}"
cmd << "#{target(path)}@#{identifier_from}"
cmd << " --username #{@login} --password #{@password}" if @login
diff = []
shellout(cmd) do |io|
io.each_line do |line|
diff << line
end
end
return nil if $? && $?.exitstatus != 0
diff
rescue Errno::ENOENT => e
raise CommandFailed
end
def cat(path, identifier=nil)
identifier = (identifier and identifier.to_i > 0) ? identifier.to_i : "HEAD"
cmd = "svn cat #{target(path)}@#{identifier}"
cmd << " --username #{@login} --password #{@password}" if @login
cat = nil
shellout(cmd) do |io|
cat = io.read
end
return nil if $? && $?.exitstatus != 0
cat
rescue Errno::ENOENT => e
raise CommandFailed
end
private
def target(path)
" \"" << "#{@url}/#{path}".gsub(/["'?<>\*]/, '') << "\""
end
def logger
RAILS_DEFAULT_LOGGER
end
def shellout(cmd, &block)
logger.debug "Shelling out: #{cmd}" if logger && logger.debug?
IO.popen(cmd, "r+") do |io|
io.close_write
block.call(io) if block_given?
end
end
end
class Entries < Array
def sort_by_name
sort {|x,y|
if x.kind == y.kind
x.name <=> y.name
else
x.kind <=> y.kind
end
}
end
def revisions
revisions ||= Revisions.new(collect{|entry| entry.lastrev})
end
end
class Entry
attr_accessor :name, :path, :kind, :size, :lastrev
def initialize(attributes={})
self.name = attributes[:name] if attributes[:name]
self.path = attributes[:path] if attributes[:path]
self.kind = attributes[:kind] if attributes[:kind]
self.size = attributes[:size].to_i if attributes[:size]
self.lastrev = attributes[:lastrev]
end
def is_file?
'file' == self.kind
end
def is_dir?
'dir' == self.kind
end
end
class Revisions < Array
def latest
sort {|x,y| x.time <=> y.time}.last
end
end
class Revision
attr_accessor :identifier, :author, :time, :message, :paths
def initialize(attributes={})
self.identifier = attributes[:identifier]
self.author = attributes[:author]
self.time = attributes[:time]
self.message = attributes[:message] || ""
self.paths = attributes[:paths]
end
end
end
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