353 lines
13 KiB
Ruby
353 lines
13 KiB
Ruby
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# redMine - project management software
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# Copyright (C) 2006-2007 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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module Redmine
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module Scm
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module Adapters
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class CvsAdapter < AbstractAdapter
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# CVS executable name
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CVS_BIN = "cvs"
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# Guidelines for the input:
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# url -> the project-path, relative to the cvsroot (eg. module name)
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# root_url -> the good old, sometimes damned, CVSROOT
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# login -> unnecessary
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# password -> unnecessary too
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def initialize(url, root_url=nil, login=nil, password=nil)
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@url = url
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@login = login if login && !login.empty?
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@password = (password || "") if @login
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#TODO: better Exception here (IllegalArgumentException)
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raise CommandFailed if root_url.blank?
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@root_url = root_url
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end
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def root_url
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@root_url
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end
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def url
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@url
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end
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def info
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logger.debug "<cvs> info"
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Info.new({:root_url => @root_url, :lastrev => nil})
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end
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def get_previous_revision(revision)
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CvsRevisionHelper.new(revision).prevRev
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end
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# Returns the entry identified by path and revision identifier
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# or nil if entry doesn't exist in the repository
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# this method returns all revisions from one single SCM-Entry
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def entry(path=nil, identifier="HEAD")
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e = entries(path, identifier)
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logger.debug("<cvs-result> #{e.first.inspect}") if e
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e ? e.first : 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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# this method is used by the repository-browser (aka LIST)
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def entries(path=nil, identifier=nil)
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logger.debug "<cvs> entries '#{path}' with identifier '#{identifier}'"
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path_with_project="#{url}#{with_leading_slash(path)}"
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entries = Entries.new
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cmd = "#{CVS_BIN} -d #{root_url} rls -ed #{path_with_project}"
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shellout(cmd) do |io|
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io.each_line(){|line|
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fields=line.chop.split('/',-1)
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logger.debug(">>InspectLine #{fields.inspect}")
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if fields[0]!="D"
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entries << Entry.new({:name => fields[-5],
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#:path => fields[-4].include?(path)?fields[-4]:(path + "/"+ fields[-4]),
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:path => "#{path}/#{fields[-5]}",
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:kind => 'file',
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:size => nil,
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:lastrev => Revision.new({
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:revision => fields[-4],
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:name => fields[-4],
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:time => Time.parse(fields[-3]),
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:author => ''
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})
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})
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else
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entries << Entry.new({:name => fields[1],
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:path => "#{path}/#{fields[1]}",
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:kind => 'dir',
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:size => nil,
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:lastrev => nil
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})
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end
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}
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end
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return nil if $? && $?.exitstatus != 0
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entries.sort_by_name
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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STARTLOG="----------------------------"
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ENDLOG ="============================================================================="
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# Returns all revisions found between identifier_from and identifier_to
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# in the repository. both identifier have to be dates or nil.
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# these method returns nothing but yield every result in block
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def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={}, &block)
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logger.debug "<cvs> revisions path:'#{path}',identifier_from #{identifier_from}, identifier_to #{identifier_to}"
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path_with_project="#{url}#{with_leading_slash(path)}"
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cmd = "#{CVS_BIN} -d #{root_url} rlog"
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cmd << " -d\">#{time_to_cvstime(identifier_from)}\"" if identifier_from
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cmd << " #{path_with_project}"
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shellout(cmd) do |io|
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state="entry_start"
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commit_log=String.new
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revision=nil
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date=nil
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author=nil
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entry_path=nil
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entry_name=nil
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file_state=nil
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branch_map=nil
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io.each_line() do |line|
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if state!="revision" && /^#{ENDLOG}/ =~ line
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commit_log=String.new
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revision=nil
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state="entry_start"
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end
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if state=="entry_start"
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branch_map=Hash.new
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if /^RCS file: #{Regexp.escape(root_url)}\/#{Regexp.escape(path_with_project)}(.+),v$/ =~ line
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entry_path = normalize_cvs_path($1)
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entry_name = normalize_path(File.basename($1))
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logger.debug("Path #{entry_path} <=> Name #{entry_name}")
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elsif /^head: (.+)$/ =~ line
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entry_headRev = $1 #unless entry.nil?
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elsif /^symbolic names:/ =~ line
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state="symbolic" #unless entry.nil?
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elsif /^#{STARTLOG}/ =~ line
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commit_log=String.new
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state="revision"
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end
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next
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elsif state=="symbolic"
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if /^(.*):\s(.*)/ =~ (line.strip)
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branch_map[$1]=$2
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else
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state="tags"
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next
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end
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elsif state=="tags"
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if /^#{STARTLOG}/ =~ line
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commit_log = ""
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state="revision"
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elsif /^#{ENDLOG}/ =~ line
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state="head"
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end
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next
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elsif state=="revision"
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if /^#{ENDLOG}/ =~ line || /^#{STARTLOG}/ =~ line
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if revision
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revHelper=CvsRevisionHelper.new(revision)
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revBranch="HEAD"
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branch_map.each() do |branch_name,branch_point|
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if revHelper.is_in_branch_with_symbol(branch_point)
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revBranch=branch_name
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end
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end
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logger.debug("********** YIELD Revision #{revision}::#{revBranch}")
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yield Revision.new({
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:time => date,
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:author => author,
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:message=>commit_log.chomp,
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:paths => [{
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:revision => revision,
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:branch=> revBranch,
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:path=>entry_path,
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:name=>entry_name,
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:kind=>'file',
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:action=>file_state
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}]
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})
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end
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commit_log=String.new
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revision=nil
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if /^#{ENDLOG}/ =~ line
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state="entry_start"
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end
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next
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end
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if /^branches: (.+)$/ =~ line
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#TODO: version.branch = $1
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elsif /^revision (\d+(?:\.\d+)+).*$/ =~ line
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revision = $1
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elsif /^date:\s+(\d+.\d+.\d+\s+\d+:\d+:\d+)/ =~ line
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date = Time.parse($1)
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author = /author: ([^;]+)/.match(line)[1]
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file_state = /state: ([^;]+)/.match(line)[1]
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#TODO: linechanges only available in CVS.... maybe a feature our SVN implementation. i'm sure, they are
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# useful for stats or something else
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# linechanges =/lines: \+(\d+) -(\d+)/.match(line)
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# unless linechanges.nil?
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# version.line_plus = linechanges[1]
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# version.line_minus = linechanges[2]
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# else
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# version.line_plus = 0
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# version.line_minus = 0
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# end
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else
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commit_log << line unless line =~ /^\*\*\* empty log message \*\*\*/
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end
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end
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end
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end
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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def diff(path, identifier_from, identifier_to=nil, type="inline")
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logger.debug "<cvs> diff path:'#{path}',identifier_from #{identifier_from}, identifier_to #{identifier_to}"
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path_with_project="#{url}#{with_leading_slash(path)}"
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cmd = "#{CVS_BIN} -d #{root_url} rdiff -u -r#{identifier_to} -r#{identifier_from} #{path_with_project}"
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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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DiffTableList.new diff, type
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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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def cat(path, identifier=nil)
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identifier = (identifier) ? identifier : "HEAD"
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logger.debug "<cvs> cat path:'#{path}',identifier #{identifier}"
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path_with_project="#{url}#{with_leading_slash(path)}"
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cmd = "#{CVS_BIN} -d #{root_url} co -r#{identifier} -p #{path_with_project}"
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cat = nil
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shellout(cmd) do |io|
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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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rescue Errno::ENOENT => e
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raise CommandFailed
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end
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private
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# convert a date/time into the CVS-format
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def time_to_cvstime(time)
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return nil if time.nil?
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unless time.kind_of? Time
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time = Time.parse(time)
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end
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return time.strftime("%Y-%m-%d %H:%M:%S")
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end
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def normalize_cvs_path(path)
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normalize_path(path.gsub(/Attic\//,''))
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end
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def normalize_path(path)
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path.sub(/^(\/)*(.*)/,'\2').sub(/(.*)(,v)+/,'\1')
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end
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end
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class CvsRevisionHelper
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attr_accessor :complete_rev, :revision, :base, :branchid
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def initialize(complete_rev)
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@complete_rev = complete_rev
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parseRevision()
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end
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def branchPoint
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return @base
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end
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def branchVersion
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if isBranchRevision
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return @base+"."+@branchid
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end
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return @base
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end
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def isBranchRevision
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!@branchid.nil?
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end
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def prevRev
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unless @revision==0
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return buildRevision(@revision-1)
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end
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return buildRevision(@revision)
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end
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def is_in_branch_with_symbol(branch_symbol)
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bpieces=branch_symbol.split(".")
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branch_start="#{bpieces[0..-3].join(".")}.#{bpieces[-1]}"
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return (branchVersion==branch_start)
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end
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private
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def buildRevision(rev)
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if rev== 0
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@base
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elsif @branchid.nil?
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@base+"."+rev.to_s
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else
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@base+"."+@branchid+"."+rev.to_s
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end
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end
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# Interpretiert die cvs revisionsnummern wie z.b. 1.14 oder 1.3.0.15
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def parseRevision()
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pieces=@complete_rev.split(".")
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@revision=pieces.last.to_i
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baseSize=1
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baseSize+=(pieces.size/2)
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@base=pieces[0..-baseSize].join(".")
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if baseSize > 2
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@branchid=pieces[-2]
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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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end
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