254 lines
9.1 KiB
Ruby
254 lines
9.1 KiB
Ruby
# 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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require 'cgi'
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module Redmine
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module Scm
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module Adapters
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class MercurialAdapter < AbstractAdapter
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# Mercurial executable name
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HG_BIN = Redmine::Configuration['scm_mercurial_command'] || "hg"
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HELPERS_DIR = File.dirname(__FILE__) + "/mercurial"
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HG_HELPER_EXT = "#{HELPERS_DIR}/redminehelper.py"
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TEMPLATE_NAME = "hg-template"
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TEMPLATE_EXTENSION = "tmpl"
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# raised if hg command exited with error, e.g. unknown revision.
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class HgCommandAborted < CommandFailed; end
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class << self
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def client_command
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@@bin ||= HG_BIN
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end
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def sq_bin
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@@sq_bin ||= shell_quote(HG_BIN)
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end
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def client_version
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@@client_version ||= (hgversion || [])
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end
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def client_available
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!client_version.empty?
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end
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def hgversion
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# The hg version is expressed either as a
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# release number (eg 0.9.5 or 1.0) or as a revision
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# id composed of 12 hexa characters.
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theversion = hgversion_from_command_line
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if m = theversion.match(%r{\A(.*?)((\d+\.)+\d+)})
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m[2].scan(%r{\d+}).collect(&:to_i)
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end
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end
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def hgversion_from_command_line
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shellout("#{sq_bin} --version") { |io| io.read }.to_s
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end
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def template_path
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@@template_path ||= template_path_for(client_version)
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end
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def template_path_for(version)
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if ((version <=> [0,9,5]) > 0) || version.empty?
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ver = "1.0"
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else
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ver = "0.9.5"
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end
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"#{HELPERS_DIR}/#{TEMPLATE_NAME}-#{ver}.#{TEMPLATE_EXTENSION}"
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end
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end
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def info
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tip = summary['repository']['tip']
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Info.new(:root_url => CGI.unescape(summary['repository']['root']),
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:lastrev => Revision.new(:revision => tip['revision'],
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:scmid => tip['node']))
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end
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def summary
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@summary ||= hg 'rhsummary' do |io|
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ActiveSupport::XmlMini.parse(io.read)['rhsummary']
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end
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end
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private :summary
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def entries(path=nil, identifier=nil)
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path ||= ''
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entries = Entries.new
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cmd = "#{self.class.sq_bin} -R #{target('')} --cwd #{target('')} locate"
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cmd << " -r #{hgrev(identifier, true)}"
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cmd << " " + shell_quote("path:#{path}") unless path.empty?
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shellout(cmd) do |io|
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io.each_line do |line|
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# HG uses antislashs as separator on Windows
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line = line.gsub(/\\/, "/")
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if path.empty? or e = line.gsub!(%r{^#{with_trailling_slash(path)}},'')
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e ||= line
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e = e.chomp.split(%r{[\/\\]})
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entries << Entry.new({:name => e.first,
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:path => (path.nil? or path.empty? ? e.first : "#{with_trailling_slash(path)}#{e.first}"),
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:kind => (e.size > 1 ? 'dir' : 'file'),
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:lastrev => Revision.new
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}) unless e.empty? || entries.detect{|entry| entry.name == e.first}
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end
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end
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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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end
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def revisions(path=nil, identifier_from=nil, identifier_to=nil, options={})
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revs = Revisions.new
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each_revision(path, identifier_from, identifier_to, options) { |e| revs << e }
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revs
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end
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# Iterates the revisions by using a template file that
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# makes Mercurial produce a xml output.
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def each_revision(path=nil, identifier_from=nil, identifier_to=nil, options={})
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hg_args = ['log', '--debug', '-C', '--style', self.class.template_path]
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hg_args << '-r' << "#{hgrev(identifier_from)}:#{hgrev(identifier_to)}"
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hg_args << '--limit' << options[:limit] if options[:limit]
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hg_args << hgtarget(path) unless path.blank?
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log = hg(*hg_args) do |io|
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# Mercurial < 1.5 does not support footer template for '</log>'
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ActiveSupport::XmlMini.parse("#{io.read}</log>")['log']
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end
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as_ary(log['logentry']).each do |le|
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cpalist = as_ary(le['paths']['path-copied']).map do |e|
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[e['__content__'], e['copyfrom-path']].map { |s| CGI.unescape(s) }
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end
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cpmap = Hash[*cpalist.flatten]
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paths = as_ary(le['paths']['path']).map do |e|
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p = CGI.unescape(e['__content__'])
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{:action => e['action'], :path => with_leading_slash(p),
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:from_path => (cpmap.member?(p) ? with_leading_slash(cpmap[p]) : nil),
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:from_revision => (cpmap.member?(p) ? le['revision'] : nil)}
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end.sort { |a, b| a[:path] <=> b[:path] }
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yield Revision.new(:revision => le['revision'],
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:scmid => le['node'],
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:author => (le['author']['__content__'] rescue ''),
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:time => Time.parse(le['date']['__content__']).localtime,
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:message => le['msg']['__content__'],
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:paths => paths)
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end
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self
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end
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def diff(path, identifier_from, identifier_to=nil)
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path ||= ''
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diff_args = ''
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diff = []
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if identifier_to
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diff_args = "-r #{hgrev(identifier_to, true)} -r #{hgrev(identifier_from, true)}"
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else
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if self.class.client_version_above?([1, 2])
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diff_args = "-c #{hgrev(identifier_from, true)}"
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else
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return []
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end
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end
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cmd = "#{self.class.sq_bin} -R #{target('')} --config diff.git=false diff --nodates #{diff_args}"
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cmd << " -I #{target(path)}" unless path.empty?
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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 $? && $?.exitstatus != 0
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diff
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end
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def cat(path, identifier=nil)
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hg 'cat', '-r', hgrev(identifier), hgtarget(path) do |io|
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io.binmode
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io.read
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end
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rescue HgCommandAborted
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nil # means not found
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end
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def annotate(path, identifier=nil)
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blame = Annotate.new
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hg 'annotate', '-ncu', '-r', hgrev(identifier), hgtarget(path) do |io|
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io.each_line do |line|
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next unless line =~ %r{^([^:]+)\s(\d+)\s([0-9a-f]+):\s(.*)$}
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r = Revision.new(:author => $1.strip, :revision => $2, :scmid => $3,
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:identifier => $3)
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blame.add_line($4.rstrip, r)
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end
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end
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blame
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rescue HgCommandAborted
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nil # means not found or cannot be annotated
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end
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class Revision < Redmine::Scm::Adapters::Revision
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# Returns the readable identifier
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def format_identifier
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"#{revision}:#{scmid}"
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end
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end
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# Runs 'hg' command with the given args
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def hg(*args, &block)
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repo_path = root_url || url
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full_args = [HG_BIN, '-R', repo_path, '--encoding', 'utf-8']
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full_args << '--config' << "extensions.redminehelper=#{HG_HELPER_EXT}"
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full_args << '--config' << 'diff.git=false'
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full_args += args
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ret = shellout(full_args.map { |e| shell_quote e.to_s }.join(' '), &block)
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if $? && $?.exitstatus != 0
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raise HgCommandAborted, "hg exited with non-zero status: #{$?.exitstatus}"
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end
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ret
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end
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private :hg
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# Returns correct revision identifier
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def hgrev(identifier, sq=false)
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rev = identifier.blank? ? 'tip' : identifier.to_s
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rev = shell_quote(rev) if sq
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rev
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end
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private :hgrev
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def hgtarget(path)
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path ||= ''
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root_url + '/' + without_leading_slash(path)
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end
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private :hgtarget
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def as_ary(o)
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return [] unless o
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o.is_a?(Array) ? o : Array[o]
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end
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private :as_ary
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end
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end
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end
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end
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