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