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1 | 1 | # redMine - project management software |
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2 | 2 | # Copyright (C) 2006-2007 Jean-Philippe Lang |
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3 | 3 | # Copyright (C) 2007 Patrick Aljord patcito@ŋmail.com |
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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/git_adapter' |
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19 | 19 | |
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20 | 20 | class Repository::Git < Repository |
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21 | 21 | attr_protected :root_url |
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22 | 22 | validates_presence_of :url |
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23 | 23 | |
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24 | 24 | def scm_adapter |
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25 | 25 | Redmine::Scm::Adapters::GitAdapter |
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26 | 26 | end |
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27 | 27 | |
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28 | 28 | def self.scm_name |
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29 | 29 | 'Git' |
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30 | 30 | end |
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31 | 31 | |
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32 | 32 | # Returns the identifier for the given git changeset |
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33 | 33 | def self.changeset_identifier(changeset) |
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34 | 34 | changeset.scmid |
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35 | 35 | end |
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36 | 36 | |
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37 | 37 | # Returns the readable identifier for the given git changeset |
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38 | 38 | def self.format_changeset_identifier(changeset) |
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39 | 39 | changeset.revision[0, 8] |
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40 | 40 | end |
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41 | 41 | |
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42 | 42 | def branches |
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43 | 43 | scm.branches |
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44 | 44 | end |
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45 | 45 | |
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46 | 46 | def tags |
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47 | 47 | scm.tags |
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48 | 48 | end |
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49 | 49 | |
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50 | # In Git and Mercurial, revisions are not in date order. | |
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51 | # Mercurial fixed issues. | |
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52 | # * Redmine Takes Too Long On Large Mercurial Repository | |
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53 | # http://www.redmine.org/issues/3449 | |
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54 | # * Sorting for changesets might go wrong on Mercurial repos | |
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55 | # http://www.redmine.org/issues/3567 | |
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56 | # Database revision column is text, so Redmine can not sort by revision. | |
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57 | # Mercurial has revision number, and revision number guarantees revision order. | |
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58 | # Mercurial adapter uses "hg log -r 0:tip --limit 10" | |
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59 | # to get limited revisions from old to new. | |
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60 | # And Mercurial model stored revisions ordered by database id in database. | |
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61 | # So, Mercurial can use correct order revisions. | |
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62 | # | |
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63 | # But, Git 1.7.3.4 does not support --reverse with -n or --skip. | |
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64 | # | |
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50 | 65 | # With SCM's that have a sequential commit numbering, redmine is able to be |
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51 | 66 | # clever and only fetch changesets going forward from the most recent one |
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52 | 67 | # it knows about. |
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53 | 68 | # However, with git, you never know if people have merged |
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54 | 69 | # commits into the middle of the repository history, so we should parse |
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55 | 70 | # the entire log. |
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56 | 71 | # |
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57 | 72 | # Since it's way too slow for large repositories, |
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58 | 73 | # we only parse 1 week before the last known commit. |
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59 | 74 | # |
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60 | 75 | # The repository can still be fully reloaded by calling #clear_changesets |
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61 | 76 | # before fetching changesets (eg. for offline resync) |
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62 | 77 | def fetch_changesets |
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63 | 78 | c = changesets.find(:first, :order => 'committed_on DESC') |
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64 | 79 | since = (c ? c.committed_on - 7.days : nil) |
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65 | 80 | |
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66 | 81 | revisions = scm.revisions('', nil, nil, :all => true, :since => since) |
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67 | 82 | return if revisions.nil? || revisions.empty? |
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68 | 83 | |
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69 | 84 | recent_changesets = changesets.find(:all, :conditions => ['committed_on >= ?', since]) |
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70 | 85 | |
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71 | 86 | # Clean out revisions that are no longer in git |
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72 | 87 | recent_changesets.each {|c| c.destroy unless revisions.detect {|r| r.scmid.to_s == c.scmid.to_s }} |
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73 | 88 | |
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74 | 89 | # Subtract revisions that redmine already knows about |
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75 | 90 | recent_revisions = recent_changesets.map{|c| c.scmid} |
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76 | 91 | revisions.reject!{|r| recent_revisions.include?(r.scmid)} |
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77 | 92 | |
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78 | 93 | # Save the remaining ones to the database |
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79 | 94 | revisions.each{|r| r.save(self)} unless revisions.nil? |
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80 | 95 | end |
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81 | 96 | |
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82 | 97 | def latest_changesets(path,rev,limit=10) |
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83 | 98 | revisions = scm.revisions(path, nil, rev, :limit => limit, :all => false) |
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84 | 99 | return [] if revisions.nil? || revisions.empty? |
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85 | 100 | |
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86 | 101 | changesets.find( |
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87 | 102 | :all, |
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88 | 103 | :conditions => [ |
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89 | 104 | "scmid IN (?)", |
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90 | 105 | revisions.map!{|c| c.scmid} |
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91 | 106 | ], |
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92 | 107 | :order => 'committed_on DESC' |
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93 | 108 | ) |
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94 | 109 | end |
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95 | 110 | end |
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