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# frozen_string_literal: true
# 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 'redmine/scm/adapters/abstract_adapter'
module Redmine
module Scm
module Adapters
class CvsAdapter < AbstractAdapter
# CVS executable name
CVS_BIN = Redmine::Configuration['scm_cvs_command'] || "cvs"
class << self
def client_command
@@bin ||= CVS_BIN
end
def sq_bin
@@sq_bin ||= shell_quote_command
end
def client_version
@@client_version ||= (scm_command_version || [])
end
def client_available
client_version_above?([1, 12])
end
def scm_command_version
scm_version = scm_version_from_command_line.b
if m = scm_version.match(%r{\A(.*?)((\d+\.)+\d+)}m)
m[2].scan(%r{\d+}).collect(&:to_i)
end
end
def scm_version_from_command_line
shellout("#{sq_bin} --version") {|io| io.read}.to_s
end
end
# Guidelines for the input:
# url -> the project-path, relative to the cvsroot (eg. module name)
# root_url -> the good old, sometimes damned, CVSROOT
# login -> unnecessary
# password -> unnecessary too
def initialize(url, root_url=nil, login=nil, password=nil,
path_encoding=nil)
# TODO: better Exception here (IllegalArgumentException)
raise CommandFailed if root_url.blank?
super
end
def path_encoding
@path_encoding
end
def info
logger.debug "<cvs> info"
Info.new({:root_url => @root_url, :lastrev => nil})
end
def get_previous_revision(revision)
CvsRevisionHelper.new(revision).prevRev
end
# Returns an Entries collection
# or nil if the given path doesn't exist in the repository
# this method is used by the repository-browser (aka LIST)
def entries(path=nil, identifier=nil, options={})
logger.debug "<cvs> entries '#{path}' with identifier '#{identifier}'"
path_locale = scm_iconv(@path_encoding, 'UTF-8', path)
path_locale = path_locale.b
entries = Entries.new
cmd_args = %w|-q rls -e|
cmd_args << "-D" << time_to_cvstime_rlog(identifier) if identifier
cmd_args << path_with_proj(path)
scm_cmd(*cmd_args) do |io|
io.each_line() do |line|
fields = line.chop.split('/',-1)
logger.debug(">>InspectLine #{fields.inspect}")
if fields[0]!="D"
time = nil
# Thu Dec 13 16:27:22 2007
time_l = fields[-3].split(' ')
if time_l.size == 5 && time_l[4].length == 4
begin
time =
Time.parse(
"#{time_l[1]} #{time_l[2]} #{time_l[3]} GMT #{time_l[4]}"
)
rescue
end
end
entries <<
Entry.new(
{
:name => scm_iconv('UTF-8', @path_encoding, fields[-5]),
#:path => fields[-4].include?(path)?fields[-4]:(path + "/"+ fields[-4]),
:path => scm_iconv('UTF-8', @path_encoding, "#{path_locale}/#{fields[-5]}"),
:kind => 'file',
:size => nil,
:lastrev =>
Revision.new(
{
:revision => fields[-4],
:name => scm_iconv('UTF-8', @path_encoding, fields[-4]),
:time => time,
:author => ''
}
)
}
)
else
entries <<
Entry.new(
{
:name => scm_iconv('UTF-8', @path_encoding, fields[1]),
:path => scm_iconv('UTF-8', @path_encoding, "#{path_locale}/#{fields[1]}"),
:kind => 'dir',
:size => nil,
:lastrev => nil
}
)
end
end
end
entries.sort_by_name
rescue ScmCommandAborted
nil
end
STARTLOG="----------------------------"
ENDLOG ="============================================================================="
# Returns all revisions found between identifier_from and identifier_to
# in the repository. both identifier have to be dates or nil.
# these method returns nothing but yield every result in block
def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={}, &block)
path_with_project_utf8 = path_with_proj(path)
path_with_project_locale = scm_iconv(@path_encoding, 'UTF-8', path_with_project_utf8)
logger.debug "<cvs> revisions path:" +
"'#{path}',identifier_from #{identifier_from}, identifier_to #{identifier_to}"
cmd_args = %w|-q rlog|
cmd_args << "-d" << ">#{time_to_cvstime_rlog(identifier_from)}" if identifier_from
cmd_args << path_with_project_utf8
scm_cmd(*cmd_args) do |io|
state = "entry_start"
commit_log = ""
revision = nil
date = nil
author = nil
entry_path = nil
entry_name = nil
file_state = nil
branch_map = nil
io.each_line() do |line|
if state != "revision" && /^#{ENDLOG}/o.match?(line)
commit_log = ""
revision = nil
state = "entry_start"
end
if state == "entry_start"
branch_map = {}
if /^RCS file: #{Regexp.escape(root_url_path)}\/#{Regexp.escape(path_with_project_locale)}(.+),v$/ =~ line
entry_path = normalize_cvs_path($1)
entry_name = normalize_path(File.basename($1))
logger.debug("Path #{entry_path} <=> Name #{entry_name}")
elsif /^head: (.+)$/ =~ line
entry_headRev = $1
elsif /^symbolic names:/.match?(line)
state = "symbolic"
elsif /^#{STARTLOG}/o.match?(line)
commit_log = ""
state = "revision"
end
next
elsif state == "symbolic"
if /^(.*):\s(.*)/ =~ (line.strip)
branch_map[$1] = $2
else
state = "tags"
next
end
elsif state == "tags"
if /^#{STARTLOG}/o.match?(line)
commit_log = ""
state = "revision"
elsif /^#{ENDLOG}/o.match?(line)
state = "head"
end
next
elsif state == "revision"
if /^#{ENDLOG}/o =~ line || /^#{STARTLOG}/o =~ line
if revision
revHelper = CvsRevisionHelper.new(revision)
revBranch = "HEAD"
branch_map.each() do |branch_name, branch_point|
if revHelper.is_in_branch_with_symbol(branch_point)
revBranch = branch_name
end
end
logger.debug("********** YIELD Revision #{revision}::#{revBranch}")
yield Revision.new(
{
:time => date,
:author => author,
:message => commit_log.chomp,
:paths => [
{
:revision => revision.dup,
:branch => revBranch.dup,
:path => scm_iconv('UTF-8', @path_encoding, entry_path),
:name => scm_iconv('UTF-8', @path_encoding, entry_name),
:kind => 'file',
:action => file_state
}
]
}
)
end
commit_log = ""
revision = nil
if /^#{ENDLOG}/o.match?(line)
state = "entry_start"
end
next
end
if /^branches: (.+)$/.match?(line)
# TODO: version.branch = $1
elsif /^revision (\d+(?:\.\d+)+).*$/ =~ line
revision = $1
elsif /^date:\s+(\d+.\d+.\d+\s+\d+:\d+:\d+)/ =~ line
date = Time.parse($1)
line_utf8 = scm_iconv('UTF-8', options[:log_encoding], line)
author_utf8 = /author: ([^;]+)/.match(line_utf8)[1]
author = scm_iconv(options[:log_encoding], 'UTF-8', author_utf8)
file_state = /state: ([^;]+)/.match(line)[1]
# TODO: linechanges only available in CVS....
# maybe a feature our SVN implementation.
# I'm sure, they are useful for stats or something else
# linechanges =/lines: \+(\d+) -(\d+)/.match(line)
# unless linechanges.nil?
# version.line_plus = linechanges[1]
# version.line_minus = linechanges[2]
# else
# version.line_plus = 0
# version.line_minus = 0
# end
else
commit_log += line unless /^\*\*\* empty log message \*\*\*/.match?(line)
end
end
end
end
rescue ScmCommandAborted
Revisions.new
end
def diff(path, identifier_from, identifier_to=nil)
logger.debug "<cvs> diff path:'#{path}'" +
",identifier_from #{identifier_from}, identifier_to #{identifier_to}"
cmd_args = %w|rdiff -u|
cmd_args << "-r#{identifier_to}"
cmd_args << "-r#{identifier_from}"
cmd_args << path_with_proj(path)
diff = []
scm_cmd(*cmd_args) do |io|
io.each_line do |line|
diff << line
end
end
diff
rescue ScmCommandAborted
nil
end
def cat(path, identifier=nil)
identifier = (identifier) ? identifier : "HEAD"
logger.debug "<cvs> cat path:'#{path}',identifier #{identifier}"
cmd_args = %w|-q co|
cmd_args << "-D" << time_to_cvstime(identifier) if identifier
cmd_args << "-p" << path_with_proj(path)
cat = nil
scm_cmd(*cmd_args) do |io|
io.binmode
cat = io.read
end
cat
rescue ScmCommandAborted
nil
end
def annotate(path, identifier=nil)
identifier = (identifier) ? identifier : "HEAD"
logger.debug "<cvs> annotate path:'#{path}',identifier #{identifier}"
cmd_args = %w|rannotate|
cmd_args << "-D" << time_to_cvstime(identifier) if identifier
cmd_args << path_with_proj(path)
blame = Annotate.new
scm_cmd(*cmd_args) do |io|
io.each_line do |line|
next unless line =~ %r{^([\d\.]+)\s+\(([^\)]+)\s+[^\)]+\):\s(.*)$}
blame.add_line(
$3.rstrip,
Revision.new(
:revision => $1,
:identifier => nil,
:author => $2.strip
)
)
end
end
blame
rescue ScmCommandAborted
Annotate.new
end
private
# Returns the root url without the connexion string
# :pserver:anonymous@foo.bar:/path => /path
# :ext:cvsservername:/path => /path
def root_url_path
root_url.to_s.gsub(%r{^:.+?(?=/)}, '')
end
# convert a date/time into the CVS-format
def time_to_cvstime(time)
return nil if time.nil?
time = Time.now if (time.is_a?(String) && time == 'HEAD')
unless time.is_a?(Time)
time = Time.parse(time)
end
time_to_cvstime_rlog(time)
end
def time_to_cvstime_rlog(time)
return nil if time.nil?
t1 = time.clone.localtime
t1.strftime("%Y-%m-%d %H:%M:%S")
end
def normalize_cvs_path(path)
normalize_path(path.gsub("Attic/",''))
end
def normalize_path(path)
path.sub(/^(\/)*(.*)/,'\2').sub(/(.*)(,v)+/,'\1')
end
def path_with_proj(path)
"#{url}#{with_leading_slash(path)}"
end
private :path_with_proj
class Revision < Redmine::Scm::Adapters::Revision
# Returns the readable identifier
def format_identifier
revision.to_s
end
end
def scm_cmd(*args, &block)
full_args = ['-d', root_url]
full_args += args
full_args_locale = []
full_args.map do |e|
full_args_locale << scm_iconv(@path_encoding, 'UTF-8', e)
end
ret =
shellout(
self.class.sq_bin + ' ' +
full_args_locale.map {|e| shell_quote e.to_s}.join(' '),
&block
)
if $? && $?.exitstatus != 0
raise ScmCommandAborted, "cvs exited with non-zero status: #{$?.exitstatus}"
end
ret
end
private :scm_cmd
end
class CvsRevisionHelper
attr_accessor :complete_rev, :revision, :base, :branchid
def initialize(complete_rev)
@complete_rev = complete_rev
parseRevision()
end
def branchVersion
if isBranchRevision
return @base + "." + @branchid
end
@base
end
def isBranchRevision
!@branchid.nil?
end
def prevRev
unless @revision == 0
return buildRevision(@revision - 1)
end
buildRevision(@revision)
end
def is_in_branch_with_symbol(branch_symbol)
bpieces = branch_symbol.split(".")
branch_start = "#{bpieces[0..-3].join(".")}.#{bpieces[-1]}"
(branchVersion == branch_start)
end
private
def buildRevision(rev)
if rev == 0
if @branchid.nil?
@base + ".0"
else
@base
end
elsif @branchid.nil?
@base + "." + rev.to_s
else
@base + "." + @branchid + "." + rev.to_s
end
end
# Interpretiert die cvs revisionsnummern wie z.b. 1.14 oder 1.3.0.15
def parseRevision
pieces = @complete_rev.split(".")
@revision = pieces.last.to_i
baseSize = 1
baseSize += (pieces.size / 2)
@base = pieces[0..-baseSize].join(".")
if baseSize > 2
@branchid = pieces[-2]
end
end
end
end
end
end