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1 | 1 | # hg.py - repository classes for mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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5 | 5 | # |
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6 | 6 | # This software may be used and distributed according to the terms |
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7 | 7 | # of the GNU General Public License, incorporated herein by reference. |
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8 | 8 | |
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9 | 9 | from node import * |
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10 | 10 | from repo import * |
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11 | 11 | from i18n import _ |
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12 | 12 | import localrepo, bundlerepo, httprepo, sshrepo, statichttprepo |
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13 | 13 | import errno, lock, os, shutil, util |
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14 | 14 | import merge as _merge |
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15 | 15 | import verify as _verify |
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16 | 16 | |
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17 | 17 | def _local(path): |
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18 | 18 | return (os.path.isfile(util.drop_scheme('file', path)) and |
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19 | 19 | bundlerepo or localrepo) |
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20 | 20 | |
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21 | 21 | schemes = { |
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22 | 22 | 'bundle': bundlerepo, |
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23 | 23 | 'file': _local, |
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24 | 24 | 'hg': httprepo, |
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25 | 25 | 'http': httprepo, |
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26 | 26 | 'https': httprepo, |
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27 | 27 | 'old-http': statichttprepo, |
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28 | 28 | 'ssh': sshrepo, |
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29 | 29 | 'static-http': statichttprepo, |
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30 | 30 | } |
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31 | 31 | |
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32 | 32 | def _lookup(path): |
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33 | 33 | scheme = 'file' |
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34 | 34 | if path: |
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35 | 35 | c = path.find(':') |
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36 | 36 | if c > 0: |
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37 | 37 | scheme = path[:c] |
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38 | 38 | thing = schemes.get(scheme) or schemes['file'] |
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39 | 39 | try: |
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40 | 40 | return thing(path) |
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41 | 41 | except TypeError: |
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42 | 42 | return thing |
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43 | 43 | |
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44 | 44 | def islocal(repo): |
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45 | 45 | '''return true if repo or path is local''' |
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46 | 46 | if isinstance(repo, str): |
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47 | 47 | try: |
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48 | 48 | return _lookup(repo).islocal(repo) |
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49 | 49 | except AttributeError: |
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50 | 50 | return False |
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51 | 51 | return repo.local() |
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52 | 52 | |
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53 | 53 | repo_setup_hooks = [] |
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54 | 54 | |
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55 | 55 | def repository(ui, path='', create=False): |
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56 | 56 | """return a repository object for the specified path""" |
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57 | 57 | repo = _lookup(path).instance(ui, path, create) |
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58 | 58 | ui = getattr(repo, "ui", ui) |
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59 | 59 | for hook in repo_setup_hooks: |
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60 | 60 | hook(ui, repo) |
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61 | 61 | return repo |
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62 | 62 | |
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63 | 63 | def defaultdest(source): |
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64 | 64 | '''return default destination of clone if none is given''' |
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65 | 65 | return os.path.basename(os.path.normpath(source)) |
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66 | 66 | |
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67 | 67 | def clone(ui, source, dest=None, pull=False, rev=None, update=True, |
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68 | 68 | stream=False): |
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69 | 69 | """Make a copy of an existing repository. |
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70 | 70 | |
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71 | 71 | Create a copy of an existing repository in a new directory. The |
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72 | 72 | source and destination are URLs, as passed to the repository |
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73 | 73 | function. Returns a pair of repository objects, the source and |
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74 | 74 | newly created destination. |
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75 | 75 | |
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76 | 76 | The location of the source is added to the new repository's |
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77 | 77 | .hg/hgrc file, as the default to be used for future pulls and |
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78 | 78 | pushes. |
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79 | 79 | |
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80 | 80 | If an exception is raised, the partly cloned/updated destination |
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81 | 81 | repository will be deleted. |
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82 | 82 | |
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83 | 83 | Arguments: |
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84 | 84 | |
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85 | 85 | source: repository object or URL |
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86 | 86 | |
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87 | 87 | dest: URL of destination repository to create (defaults to base |
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88 | 88 | name of source repository) |
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89 | 89 | |
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90 | 90 | pull: always pull from source repository, even in local case |
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91 | 91 | |
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92 | 92 | stream: stream raw data uncompressed from repository (fast over |
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93 | 93 | LAN, slow over WAN) |
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94 | 94 | |
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95 | 95 | rev: revision to clone up to (implies pull=True) |
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96 | 96 | |
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97 | 97 | update: update working directory after clone completes, if |
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98 | 98 | destination is local repository |
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99 | 99 | """ |
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100 | 100 | if isinstance(source, str): |
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101 | 101 | src_repo = repository(ui, source) |
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102 | 102 | else: |
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103 | 103 | src_repo = source |
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104 | 104 | source = src_repo.url() |
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105 | 105 | |
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106 | 106 | if dest is None: |
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107 | 107 | dest = defaultdest(source) |
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108 | 108 | ui.status(_("destination directory: %s\n") % dest) |
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109 | 109 | |
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110 | 110 | def localpath(path): |
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111 | 111 | if path.startswith('file://'): |
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112 | 112 | return path[7:] |
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113 | 113 | if path.startswith('file:'): |
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114 | 114 | return path[5:] |
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115 | 115 | return path |
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116 | 116 | |
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117 | 117 | dest = localpath(dest) |
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118 | 118 | source = localpath(source) |
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119 | 119 | |
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120 | 120 | if os.path.exists(dest): |
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121 | 121 | raise util.Abort(_("destination '%s' already exists") % dest) |
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122 | 122 | |
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123 | 123 | class DirCleanup(object): |
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124 | 124 | def __init__(self, dir_): |
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125 | 125 | self.rmtree = shutil.rmtree |
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126 | 126 | self.dir_ = dir_ |
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127 | 127 | def close(self): |
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128 | 128 | self.dir_ = None |
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129 | 129 | def __del__(self): |
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130 | 130 | if self.dir_: |
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131 | 131 | self.rmtree(self.dir_, True) |
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132 | 132 | |
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133 | 133 | dir_cleanup = None |
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134 | 134 | if islocal(dest): |
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135 | 135 | dir_cleanup = DirCleanup(dest) |
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136 | 136 | |
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137 | 137 | abspath = source |
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138 | 138 | copy = False |
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139 | 139 | if src_repo.local() and islocal(dest): |
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140 | 140 | abspath = os.path.abspath(source) |
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141 | 141 | copy = not pull and not rev |
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142 | 142 | |
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143 | 143 | src_lock, dest_lock = None, None |
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144 | 144 | if copy: |
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145 | 145 | try: |
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146 | 146 | # we use a lock here because if we race with commit, we |
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147 | 147 | # can end up with extra data in the cloned revlogs that's |
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148 | 148 | # not pointed to by changesets, thus causing verify to |
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149 | 149 | # fail |
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150 | 150 | src_lock = src_repo.lock() |
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151 | 151 | except lock.LockException: |
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152 | 152 | copy = False |
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153 | 153 | |
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154 | 154 | if copy: |
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155 | 155 | def force_copy(src, dst): |
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156 | 156 | try: |
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157 | 157 | util.copyfiles(src, dst) |
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158 | 158 | except OSError, inst: |
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159 | 159 | if inst.errno != errno.ENOENT: |
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160 | 160 | raise |
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161 | 161 | |
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162 | 162 | src_store = os.path.realpath(src_repo.spath) |
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163 | 163 | if not os.path.exists(dest): |
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164 | 164 | os.mkdir(dest) |
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165 | 165 | dest_path = os.path.realpath(os.path.join(dest, ".hg")) |
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166 | 166 | os.mkdir(dest_path) |
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167 | 167 | if src_repo.spath != src_repo.path: |
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168 | 168 | dest_store = os.path.join(dest_path, "store") |
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169 | 169 | os.mkdir(dest_store) |
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170 | 170 | else: |
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171 | 171 | dest_store = dest_path |
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172 | 172 | # copy the requires file |
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173 | 173 | force_copy(src_repo.join("requires"), |
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174 | 174 | os.path.join(dest_path, "requires")) |
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175 | 175 | # we lock here to avoid premature writing to the target |
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176 | 176 | dest_lock = lock.lock(os.path.join(dest_store, "lock")) |
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177 | 177 | |
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178 | 178 | files = ("data", |
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179 | 179 | "00manifest.d", "00manifest.i", |
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180 | 180 | "00changelog.d", "00changelog.i") |
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181 | 181 | for f in files: |
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182 | 182 | src = os.path.join(src_store, f) |
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183 | 183 | dst = os.path.join(dest_store, f) |
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184 | 184 | force_copy(src, dst) |
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185 | 185 | |
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186 | 186 | # we need to re-init the repo after manually copying the data |
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187 | 187 | # into it |
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188 | 188 | dest_repo = repository(ui, dest) |
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189 | 189 | |
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190 | 190 | else: |
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191 | 191 | dest_repo = repository(ui, dest, create=True) |
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192 | 192 | |
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193 | 193 | revs = None |
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194 | 194 | if rev: |
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195 | 195 | if 'lookup' not in src_repo.capabilities: |
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196 | 196 | raise util.Abort(_("src repository does not support revision " |
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197 | 197 | "lookup and so doesn't support clone by " |
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198 | 198 | "revision")) |
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199 | 199 | revs = [src_repo.lookup(r) for r in rev] |
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200 | 200 | |
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201 | 201 | if dest_repo.local(): |
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202 | 202 | dest_repo.clone(src_repo, heads=revs, stream=stream) |
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203 | 203 | elif src_repo.local(): |
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204 | 204 | src_repo.push(dest_repo, revs=revs) |
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205 | 205 | else: |
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206 | 206 | raise util.Abort(_("clone from remote to remote not supported")) |
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207 | 207 | |
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208 | 208 | if src_lock: |
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209 | 209 | src_lock.release() |
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210 | 210 | |
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211 | 211 | if dest_repo.local(): |
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212 | 212 | fp = dest_repo.opener("hgrc", "w", text=True) |
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213 | 213 | fp.write("[paths]\n") |
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214 | 214 | fp.write("default = %s\n" % abspath) |
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215 | 215 | fp.close() |
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216 | 216 | |
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217 | 217 | if dest_lock: |
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218 | 218 | dest_lock.release() |
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219 | 219 | |
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220 | 220 | if update: |
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221 | _update(dest_repo, dest_repo.changelog.tip()) | |
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221 | try: | |
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222 | checkout = dest_repo.lookup("default") | |
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223 | except: | |
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224 | checkout = dest_repo.changelog.tip() | |
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225 | _update(dest_repo, checkout) | |
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222 | 226 | if dir_cleanup: |
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223 | 227 | dir_cleanup.close() |
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224 | 228 | |
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225 | 229 | return src_repo, dest_repo |
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226 | 230 | |
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227 | 231 | def _showstats(repo, stats): |
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228 | 232 | stats = ((stats[0], _("updated")), |
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229 | 233 | (stats[1], _("merged")), |
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230 | 234 | (stats[2], _("removed")), |
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231 | 235 | (stats[3], _("unresolved"))) |
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232 | 236 | note = ", ".join([_("%d files %s") % s for s in stats]) |
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233 | 237 | repo.ui.status("%s\n" % note) |
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234 | 238 | |
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235 | 239 | def _update(repo, node): return update(repo, node) |
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236 | 240 | |
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237 | 241 | def update(repo, node): |
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238 | 242 | """update the working directory to node, merging linear changes""" |
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239 | 243 | pl = repo.parents() |
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240 | 244 | stats = _merge.update(repo, node, False, False, None, None) |
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241 | 245 | _showstats(repo, stats) |
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242 | 246 | if stats[3]: |
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243 | 247 | repo.ui.status(_("There are unresolved merges with" |
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244 | 248 | " locally modified files.\n")) |
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245 | 249 | if stats[1]: |
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246 | 250 | repo.ui.status(_("You can finish the partial merge using:\n")) |
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247 | 251 | else: |
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248 | 252 | repo.ui.status(_("You can redo the full merge using:\n")) |
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249 | 253 | # len(pl)==1, otherwise _merge.update() would have raised util.Abort: |
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250 | 254 | repo.ui.status(_(" hg update %s\n hg update %s\n") |
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251 | 255 | % (pl[0].rev(), repo.changectx(node).rev())) |
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252 | 256 | return stats[3] |
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253 | 257 | |
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254 | 258 | def clean(repo, node, wlock=None, show_stats=True): |
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255 | 259 | """forcibly switch the working directory to node, clobbering changes""" |
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256 | 260 | stats = _merge.update(repo, node, False, True, None, wlock) |
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257 | 261 | if show_stats: _showstats(repo, stats) |
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258 | 262 | return stats[3] |
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259 | 263 | |
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260 | 264 | def merge(repo, node, force=None, remind=True, wlock=None): |
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261 | 265 | """branch merge with node, resolving changes""" |
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262 | 266 | stats = _merge.update(repo, node, True, force, False, wlock) |
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263 | 267 | _showstats(repo, stats) |
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264 | 268 | if stats[3]: |
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265 | 269 | pl = repo.parents() |
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266 | 270 | repo.ui.status(_("There are unresolved merges," |
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267 | 271 | " you can redo the full merge using:\n" |
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268 | 272 | " hg update -C %s\n" |
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269 | 273 | " hg merge %s\n") |
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270 | 274 | % (pl[0].rev(), pl[1].rev())) |
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271 | 275 | elif remind: |
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272 | 276 | repo.ui.status(_("(branch merge, don't forget to commit)\n")) |
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273 | 277 | return stats[3] |
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274 | 278 | |
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275 | 279 | def revert(repo, node, choose, wlock): |
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276 | 280 | """revert changes to revision in node without updating dirstate""" |
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277 | 281 | return _merge.update(repo, node, False, True, choose, wlock)[3] |
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278 | 282 | |
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279 | 283 | def verify(repo): |
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280 | 284 | """verify the consistency of a repository""" |
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281 | 285 | return _verify.verify(repo) |
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