'Darcs'
end
+ def entry(path=nil, identifier=nil)
+ patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
+ scm.entry(path, patch.nil? ? nil : patch.scmid)
+ end
+
def entries(path=nil, identifier=nil)
patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
entries = scm.entries(path, patch.nil? ? nil : patch.scmid)
entries
end
+ def cat(path, identifier=nil)
+ patch = identifier.nil? ? nil : changesets.find_by_revision(identifier)
+ scm.cat(path, patch.nil? ? nil : patch.scmid)
+ end
+
def diff(path, rev, rev_to)
patch_from = changesets.find_by_revision(rev)
return nil if patch_from.nil?
# Darcs executable name
DARCS_BIN = "darcs"
+ class << self
+ def client_version
+ @@client_version ||= (darcs_binary_version || [])
+ end
+
+ def darcs_binary_version
+ cmd = "#{DARCS_BIN} --version"
+ version = nil
+ shellout(cmd) do |io|
+ # Read darcs version in first returned line
+ if m = io.gets.match(%r{((\d+\.)+\d+)})
+ version = m[0].scan(%r{\d+}).collect(&:to_i)
+ end
+ end
+ return nil if $? && $?.exitstatus != 0
+ version
+ end
+ end
+
def initialize(url, root_url=nil, login=nil, password=nil)
@url = url
@root_url = url
end
def supports_cat?
- false
+ # cat supported in darcs 2.0.0 and higher
+ self.class.client_version_above?([2, 0, 0])
end
-
- # Get info about the svn repository
+
+ # Get info about the darcs repository
def info
rev = revisions(nil,nil,nil,{:limit => 1})
rev ? Info.new({:root_url => @url, :lastrev => rev.last}) : nil
diff
end
+ def cat(path, identifier=nil)
+ cmd = "#{DARCS_BIN} show content --repodir #{@url}"
+ cmd << " --match \"hash #{identifier}\"" if identifier
+ cmd << " #{shell_quote path}"
+ cat = nil
+ shellout(cmd) do |io|
+ io.binmode
+ cat = io.read
+ end
+ return nil if $? && $?.exitstatus != 0
+ cat
+ end
+
private
def entry_from_xml(element, path_prefix)
@repository.fetch_changesets
assert_equal 6, @repository.changesets.count
end
+
+ def test_cat
+ @repository.fetch_changesets
+ cat = @repository.cat("sources/welcome_controller.rb", 2)
+ assert_not_nil cat
+ assert cat.include?('class WelcomeController < ApplicationController')
+ end
else
puts "Darcs test repository NOT FOUND. Skipping unit tests !!!"
def test_fake; assert true end