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1 | 1 | # Redmine - project management software |
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2 | 2 | # Copyright (C) 2006-2011 Jean-Philippe Lang |
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3 | 3 | # |
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4 | 4 | # This program is free software; you can redistribute it and/or |
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5 | 5 | # modify it under the terms of the GNU General Public License |
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6 | 6 | # as published by the Free Software Foundation; either version 2 |
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7 | 7 | # of the License, or (at your option) any later version. |
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8 | 8 | # |
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9 | 9 | # This program is distributed in the hope that it will be useful, |
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10 | 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | 12 | # GNU General Public License for more details. |
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13 | 13 | # |
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14 | 14 | # You should have received a copy of the GNU General Public License |
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15 | 15 | # along with this program; if not, write to the Free Software |
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16 | 16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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17 | 17 | |
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18 | 18 | require 'redmine/scm/adapters/mercurial_adapter' |
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19 | 19 | |
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20 | 20 | class Repository::Mercurial < Repository |
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21 | 21 | # sort changesets by revision number |
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22 | 22 | has_many :changesets, |
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23 | 23 | :order => "#{Changeset.table_name}.id DESC", |
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24 | 24 | :foreign_key => 'repository_id' |
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25 | 25 | |
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26 | 26 | attr_protected :root_url |
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27 | 27 | validates_presence_of :url |
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28 | 28 | |
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29 | 29 | # number of changesets to fetch at once |
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30 | 30 | FETCH_AT_ONCE = 100 |
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31 | 31 | |
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32 | 32 | def self.human_attribute_name(attribute_key_name) |
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33 | 33 | attr_name = attribute_key_name |
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34 | 34 | if attr_name == "url" |
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35 | 35 | attr_name = "path_to_repository" |
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36 | 36 | end |
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37 | 37 | super(attr_name) |
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38 | 38 | end |
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39 | 39 | |
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40 | 40 | def self.scm_adapter_class |
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41 | 41 | Redmine::Scm::Adapters::MercurialAdapter |
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42 | 42 | end |
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43 | 43 | |
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44 | 44 | def self.scm_name |
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45 | 45 | 'Mercurial' |
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46 | 46 | end |
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47 | 47 | |
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48 | 48 | def supports_directory_revisions? |
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49 | 49 | true |
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50 | 50 | end |
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51 | 51 | |
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52 | 52 | def repo_log_encoding |
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53 | 53 | 'UTF-8' |
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54 | 54 | end |
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55 | 55 | |
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56 | 56 | # Returns the readable identifier for the given mercurial changeset |
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57 | 57 | def self.format_changeset_identifier(changeset) |
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58 | 58 | "#{changeset.revision}:#{changeset.scmid}" |
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59 | 59 | end |
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60 | 60 | |
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61 | 61 | # Returns the identifier for the given Mercurial changeset |
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62 | 62 | def self.changeset_identifier(changeset) |
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63 | 63 | changeset.scmid |
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64 | 64 | end |
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65 | 65 | |
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66 | 66 | def diff_format_revisions(cs, cs_to, sep=':') |
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67 | 67 | super(cs, cs_to, ' ') |
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68 | 68 | end |
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69 | 69 | |
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70 | 70 | # Finds and returns a revision with a number or the beginning of a hash |
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71 | 71 | def find_changeset_by_name(name) |
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72 | 72 | return nil if name.nil? || name.empty? |
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73 | 73 | if /[^\d]/ =~ name or name.to_s.size > 8 |
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74 | 74 | e = changesets.find(:first, :conditions => ['scmid = ?', name.to_s]) |
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75 | 75 | else |
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76 | 76 | e = changesets.find(:first, :conditions => ['revision = ?', name.to_s]) |
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77 | 77 | end |
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78 | 78 | return e if e |
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79 | 79 | changesets.find(:first, :conditions => ['scmid LIKE ?', "#{name}%"]) # last ditch |
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80 | 80 | end |
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81 | 81 | |
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82 | 82 | # Returns the latest changesets for +path+; sorted by revision number |
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83 | 83 | # |
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84 | 84 | # Because :order => 'id DESC' is defined at 'has_many', |
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85 | 85 | # there is no need to set 'order'. |
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86 | 86 | # But, MySQL test fails. |
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87 | 87 | # Sqlite3 and PostgreSQL pass. |
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88 | 88 | # Is this MySQL bug? |
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89 | 89 | def latest_changesets(path, rev, limit=10) |
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90 | 90 | changesets.find(:all, |
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91 | 91 | :include => :user, |
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92 | 92 | :conditions => latest_changesets_cond(path, rev, limit), |
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93 | 93 | :limit => limit, |
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94 | 94 | :order => "#{Changeset.table_name}.id DESC") |
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95 | 95 | end |
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96 | 96 | |
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97 | 97 | def latest_changesets_cond(path, rev, limit) |
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98 | 98 | cond, args = [], [] |
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99 | 99 | if scm.branchmap.member? rev |
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100 | 100 | # Mercurial named branch is *stable* in each revision. |
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101 | 101 | # So, named branch can be stored in database. |
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102 | 102 | # Mercurial provides *bookmark* which is equivalent with git branch. |
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103 | 103 | # But, bookmark is not implemented. |
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104 | 104 | cond << "#{Changeset.table_name}.scmid IN (?)" |
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105 | 105 | # Revisions in root directory and sub directory are not equal. |
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106 | 106 | # So, in order to get correct limit, we need to get all revisions. |
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107 | 107 | # But, it is very heavy. |
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108 | 108 | # Mercurial does not treat direcotry. |
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109 | 109 | # So, "hg log DIR" is very heavy. |
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110 | 110 | branch_limit = path.blank? ? limit : ( limit * 5 ) |
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111 | 111 | args << scm.nodes_in_branch(rev, :limit => branch_limit) |
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112 | 112 | elsif last = rev ? find_changeset_by_name(scm.tagmap[rev] || rev) : nil |
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113 | 113 | cond << "#{Changeset.table_name}.id <= ?" |
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114 | 114 | args << last.id |
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115 | 115 | end |
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116 | 116 | unless path.blank? |
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117 | 117 | cond << "EXISTS (SELECT * FROM #{Change.table_name} |
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118 | 118 | WHERE #{Change.table_name}.changeset_id = #{Changeset.table_name}.id |
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119 | 119 | AND (#{Change.table_name}.path = ? |
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120 | 120 | OR #{Change.table_name}.path LIKE ? ESCAPE ?))" |
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121 | 121 | args << path.with_leading_slash |
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122 | 122 | args << "#{path.with_leading_slash.gsub(%r{[%_\\]}) { |s| "\\#{s}" }}/%" << '\\' |
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123 | 123 | end |
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124 | 124 | [cond.join(' AND '), *args] unless cond.empty? |
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125 | 125 | end |
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126 | 126 | private :latest_changesets_cond |
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127 | 127 | |
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128 | 128 | def fetch_changesets |
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129 | 129 | return if scm.info.nil? |
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130 | 130 | scm_rev = scm.info.lastrev.revision.to_i |
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131 | 131 | db_rev = latest_changeset ? latest_changeset.revision.to_i : -1 |
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132 | 132 | return unless db_rev < scm_rev # already up-to-date |
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133 | 133 | |
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134 | 134 | logger.debug "Fetching changesets for repository #{url}" if logger |
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135 | 135 | (db_rev + 1).step(scm_rev, FETCH_AT_ONCE) do |i| |
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136 | 136 | transaction do |
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137 | 137 | scm.each_revision('', i, [i + FETCH_AT_ONCE - 1, scm_rev].min) do |re| |
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138 | 138 | cs = Changeset.create(:repository => self, |
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139 | 139 | :revision => re.revision, |
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140 | 140 | :scmid => re.scmid, |
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141 | 141 | :committer => re.author, |
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142 | 142 | :committed_on => re.time, |
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143 | 143 | :comments => re.message) |
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144 | 144 | re.paths.each { |e| cs.create_change(e) } |
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145 | parents = {} | |
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146 | parents[cs] = re.parents unless re.parents.nil? | |
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147 | parents.each do |ch, chparents| | |
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148 | ch.parents = chparents.collect{|rp| find_changeset_by_name(rp)}.compact | |
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149 | end | |
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145 | 150 | end |
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146 | 151 | end |
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147 | 152 | end |
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148 | 153 | end |
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149 | 154 | end |
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