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# Redmine - project management software
# Copyright (C) 2006-2012 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/cvs_adapter'
require 'digest/sha1'
class Repository::Cvs < Repository
validates_presence_of :url, :root_url, :log_encoding
safe_attributes 'root_url',
:if => lambda {|repository, user| repository.new_record?}
def self.human_attribute_name(attribute_key_name, *args)
attr_name = attribute_key_name.to_s
if attr_name == "root_url"
attr_name = "cvsroot"
elsif attr_name == "url"
attr_name = "cvs_module"
end
super(attr_name, *args)
end
def self.scm_adapter_class
Redmine::Scm::Adapters::CvsAdapter
end
def self.scm_name
'CVS'
end
def entry(path=nil, identifier=nil)
rev = identifier.nil? ? nil : changesets.find_by_revision(identifier)
scm.entry(path, rev.nil? ? nil : rev.committed_on)
end
def entries(path=nil, identifier=nil)
rev = nil
if ! identifier.nil?
rev = changesets.find_by_revision(identifier)
return nil if rev.nil?
end
entries = scm.entries(path, rev.nil? ? nil : rev.committed_on)
if entries
entries.each() do |entry|
if ( ! entry.lastrev.nil? ) && ( ! entry.lastrev.revision.nil? )
change = filechanges.find_by_revision_and_path(
entry.lastrev.revision,
scm.with_leading_slash(entry.path) )
if change
entry.lastrev.identifier = change.changeset.revision
entry.lastrev.revision = change.changeset.revision
entry.lastrev.author = change.changeset.committer
# entry.lastrev.branch = change.branch
end
end
end
end
load_entries_changesets(entries)
entries
end
def cat(path, identifier=nil)
rev = nil
if ! identifier.nil?
rev = changesets.find_by_revision(identifier)
return nil if rev.nil?
end
scm.cat(path, rev.nil? ? nil : rev.committed_on)
end
def annotate(path, identifier=nil)
rev = nil
if ! identifier.nil?
rev = changesets.find_by_revision(identifier)
return nil if rev.nil?
end
scm.annotate(path, rev.nil? ? nil : rev.committed_on)
end
def diff(path, rev, rev_to)
# convert rev to revision. CVS can't handle changesets here
diff=[]
changeset_from = changesets.find_by_revision(rev)
if rev_to.to_i > 0
changeset_to = changesets.find_by_revision(rev_to)
end
changeset_from.filechanges.each() do |change_from|
revision_from = nil
revision_to = nil
if path.nil? || (change_from.path.starts_with? scm.with_leading_slash(path))
revision_from = change_from.revision
end
if revision_from
if changeset_to
changeset_to.filechanges.each() do |change_to|
revision_to = change_to.revision if change_to.path == change_from.path
end
end
unless revision_to
revision_to = scm.get_previous_revision(revision_from)
end
file_diff = scm.diff(change_from.path, revision_from, revision_to)
diff = diff + file_diff unless file_diff.nil?
end
end
return diff
end
def fetch_changesets
# some nifty bits to introduce a commit-id with cvs
# natively cvs doesn't provide any kind of changesets,
# there is only a revision per file.
# we now take a guess using the author, the commitlog and the commit-date.
# last one is the next step to take. the commit-date is not equal for all
# commits in one changeset. cvs update the commit-date when the *,v file was touched. so
# we use a small delta here, to merge all changes belonging to _one_ changeset
time_delta = 10.seconds
fetch_since = latest_changeset ? latest_changeset.committed_on : nil
transaction do
tmp_rev_num = 1
scm.revisions('', fetch_since, nil, :log_encoding => repo_log_encoding) do |revision|
# only add the change to the database, if it doen't exists. the cvs log
# is not exclusive at all.
tmp_time = revision.time.clone
unless filechanges.find_by_path_and_revision(
scm.with_leading_slash(revision.paths[0][:path]),
revision.paths[0][:revision]
)
cmt = Changeset.normalize_comments(revision.message, repo_log_encoding)
author_utf8 = Changeset.to_utf8(revision.author, repo_log_encoding)
cs = changesets.find(
:first,
:conditions => {
:committed_on => tmp_time - time_delta .. tmp_time + time_delta,
:committer => author_utf8,
:comments => cmt
}
)
# create a new changeset....
unless cs
# we use a temporaray revision number here (just for inserting)
# later on, we calculate a continous positive number
tmp_time2 = tmp_time.clone.gmtime
branch = revision.paths[0][:branch]
scmid = branch + "-" + tmp_time2.strftime("%Y%m%d-%H%M%S")
cs = Changeset.create(:repository => self,
:revision => "tmp#{tmp_rev_num}",
:scmid => scmid,
:committer => revision.author,
:committed_on => tmp_time,
:comments => revision.message)
tmp_rev_num += 1
end
# convert CVS-File-States to internal Action-abbrevations
# default action is (M)odified
action = "M"
if revision.paths[0][:action] == "Exp" && revision.paths[0][:revision] == "1.1"
action = "A" # add-action always at first revision (= 1.1)
elsif revision.paths[0][:action] == "dead"
action = "D" # dead-state is similar to Delete
end
Change.create(
:changeset => cs,
:action => action,
:path => scm.with_leading_slash(revision.paths[0][:path]),
:revision => revision.paths[0][:revision],
:branch => revision.paths[0][:branch]
)
end
end
# Renumber new changesets in chronological order
Changeset.all(
:order => 'committed_on ASC, id ASC',
:conditions => ["repository_id = ? AND revision LIKE 'tmp%'", id]
).each do |changeset|
changeset.update_attribute :revision, next_revision_number
end
end # transaction
@current_revision_number = nil
end
private
# Returns the next revision number to assign to a CVS changeset
def next_revision_number
# Need to retrieve existing revision numbers to sort them as integers
sql = "SELECT revision FROM #{Changeset.table_name} "
sql << "WHERE repository_id = #{id} AND revision NOT LIKE 'tmp%'"
@current_revision_number ||= (connection.select_values(sql).collect(&:to_i).max || 0)
@current_revision_number += 1
end
end
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