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@@ -1,412 +1,420 b'' | |||
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1 | 1 | # narrowcommands.py - command modifications for narrowhg extension |
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2 | 2 | # |
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3 | 3 | # Copyright 2017 Google, Inc. |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | from __future__ import absolute_import |
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8 | 8 | |
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9 | 9 | import itertools |
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10 | 10 | import os |
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11 | 11 | |
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12 | 12 | from mercurial.i18n import _ |
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13 | 13 | from mercurial import ( |
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14 | 14 | cmdutil, |
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15 | 15 | commands, |
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16 | 16 | discovery, |
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17 | 17 | encoding, |
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18 | 18 | error, |
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19 | 19 | exchange, |
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20 | 20 | extensions, |
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21 | 21 | hg, |
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22 | 22 | merge, |
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23 | 23 | narrowspec, |
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24 | 24 | node, |
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25 | 25 | pycompat, |
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26 | 26 | registrar, |
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27 | 27 | repair, |
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28 | 28 | repository, |
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29 | 29 | repoview, |
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30 | 30 | sparse, |
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31 | 31 | util, |
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32 | 32 | ) |
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33 | 33 | |
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34 | 34 | from . import ( |
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35 | 35 | narrowwirepeer, |
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36 | 36 | ) |
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37 | 37 | |
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38 | 38 | table = {} |
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39 | 39 | command = registrar.command(table) |
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40 | 40 | |
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41 | 41 | def setup(): |
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42 | 42 | """Wraps user-facing mercurial commands with narrow-aware versions.""" |
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43 | 43 | |
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44 | 44 | entry = extensions.wrapcommand(commands.table, 'clone', clonenarrowcmd) |
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45 | 45 | entry[1].append(('', 'narrow', None, |
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46 | 46 | _("create a narrow clone of select files"))) |
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47 | 47 | entry[1].append(('', 'depth', '', |
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48 | 48 | _("limit the history fetched by distance from heads"))) |
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49 | 49 | entry[1].append(('', 'narrowspec', '', |
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50 | 50 | _("read narrowspecs from file"))) |
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51 | 51 | # TODO(durin42): unify sparse/narrow --include/--exclude logic a bit |
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52 | 52 | if 'sparse' not in extensions.enabled(): |
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53 | 53 | entry[1].append(('', 'include', [], |
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54 | 54 | _("specifically fetch this file/directory"))) |
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55 | 55 | entry[1].append( |
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56 | 56 | ('', 'exclude', [], |
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57 | 57 | _("do not fetch this file/directory, even if included"))) |
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58 | 58 | |
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59 | 59 | entry = extensions.wrapcommand(commands.table, 'pull', pullnarrowcmd) |
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60 | 60 | entry[1].append(('', 'depth', '', |
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61 | 61 | _("limit the history fetched by distance from heads"))) |
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62 | 62 | |
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63 | 63 | extensions.wrapcommand(commands.table, 'archive', archivenarrowcmd) |
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64 | 64 | |
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65 | 65 | def clonenarrowcmd(orig, ui, repo, *args, **opts): |
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66 | 66 | """Wraps clone command, so 'hg clone' first wraps localrepo.clone().""" |
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67 | 67 | opts = pycompat.byteskwargs(opts) |
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68 | 68 | wrappedextraprepare = util.nullcontextmanager() |
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69 | 69 | narrowspecfile = opts['narrowspec'] |
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70 | 70 | |
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71 | 71 | if narrowspecfile: |
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72 | 72 | filepath = os.path.join(pycompat.getcwd(), narrowspecfile) |
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73 | 73 | ui.status(_("reading narrowspec from '%s'\n") % filepath) |
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74 | 74 | try: |
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75 | 75 | fdata = util.readfile(filepath) |
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76 | 76 | except IOError as inst: |
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77 | 77 | raise error.Abort(_("cannot read narrowspecs from '%s': %s") % |
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78 | 78 | (filepath, encoding.strtolocal(inst.strerror))) |
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79 | 79 | |
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80 | 80 | includes, excludes, profiles = sparse.parseconfig(ui, fdata, 'narrow') |
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81 | 81 | if profiles: |
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82 | 82 | raise error.Abort(_("cannot specify other files using '%include' in" |
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83 | 83 | " narrowspec")) |
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84 | 84 | |
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85 | 85 | narrowspec.validatepatterns(includes) |
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86 | 86 | narrowspec.validatepatterns(excludes) |
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87 | 87 | |
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88 | 88 | # narrowspec is passed so we should assume that user wants narrow clone |
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89 | 89 | opts['narrow'] = True |
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90 | 90 | opts['include'].extend(includes) |
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91 | 91 | opts['exclude'].extend(excludes) |
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92 | 92 | |
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93 | 93 | if opts['narrow']: |
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94 | 94 | def pullbundle2extraprepare_widen(orig, pullop, kwargs): |
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95 | 95 | orig(pullop, kwargs) |
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96 | 96 | |
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97 | 97 | if opts.get('depth'): |
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98 | 98 | kwargs['depth'] = opts['depth'] |
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99 | 99 | wrappedextraprepare = extensions.wrappedfunction(exchange, |
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100 | 100 | '_pullbundle2extraprepare', pullbundle2extraprepare_widen) |
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101 | 101 | |
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102 | 102 | with wrappedextraprepare: |
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103 | 103 | return orig(ui, repo, *args, **pycompat.strkwargs(opts)) |
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104 | 104 | |
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105 | 105 | def pullnarrowcmd(orig, ui, repo, *args, **opts): |
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106 | 106 | """Wraps pull command to allow modifying narrow spec.""" |
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107 | 107 | wrappedextraprepare = util.nullcontextmanager() |
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108 | 108 | if repository.NARROW_REQUIREMENT in repo.requirements: |
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109 | 109 | |
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110 | 110 | def pullbundle2extraprepare_widen(orig, pullop, kwargs): |
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111 | 111 | orig(pullop, kwargs) |
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112 | 112 | if opts.get(r'depth'): |
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113 | 113 | kwargs['depth'] = opts[r'depth'] |
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114 | 114 | wrappedextraprepare = extensions.wrappedfunction(exchange, |
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115 | 115 | '_pullbundle2extraprepare', pullbundle2extraprepare_widen) |
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116 | 116 | |
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117 | 117 | with wrappedextraprepare: |
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118 | 118 | return orig(ui, repo, *args, **opts) |
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119 | 119 | |
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120 | 120 | def archivenarrowcmd(orig, ui, repo, *args, **opts): |
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121 | 121 | """Wraps archive command to narrow the default includes.""" |
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122 | 122 | if repository.NARROW_REQUIREMENT in repo.requirements: |
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123 | 123 | repo_includes, repo_excludes = repo.narrowpats |
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124 | 124 | includes = set(opts.get(r'include', [])) |
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125 | 125 | excludes = set(opts.get(r'exclude', [])) |
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126 | 126 | includes, excludes, unused_invalid = narrowspec.restrictpatterns( |
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127 | 127 | includes, excludes, repo_includes, repo_excludes) |
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128 | 128 | if includes: |
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129 | 129 | opts[r'include'] = includes |
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130 | 130 | if excludes: |
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131 | 131 | opts[r'exclude'] = excludes |
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132 | 132 | return orig(ui, repo, *args, **opts) |
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133 | 133 | |
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134 | 134 | def pullbundle2extraprepare(orig, pullop, kwargs): |
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135 | 135 | repo = pullop.repo |
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136 | 136 | if repository.NARROW_REQUIREMENT not in repo.requirements: |
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137 | 137 | return orig(pullop, kwargs) |
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138 | 138 | |
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139 | 139 | if narrowwirepeer.NARROWCAP not in pullop.remote.capabilities(): |
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140 | 140 | raise error.Abort(_("server doesn't support narrow clones")) |
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141 | 141 | orig(pullop, kwargs) |
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142 | 142 | kwargs['narrow'] = True |
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143 | 143 | include, exclude = repo.narrowpats |
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144 | 144 | kwargs['oldincludepats'] = include |
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145 | 145 | kwargs['oldexcludepats'] = exclude |
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146 | 146 | kwargs['includepats'] = include |
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147 | 147 | kwargs['excludepats'] = exclude |
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148 | 148 | # calculate known nodes only in ellipses cases because in non-ellipses cases |
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149 | 149 | # we have all the nodes |
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150 | 150 | if narrowwirepeer.ELLIPSESCAP in pullop.remote.capabilities(): |
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151 | 151 | kwargs['known'] = [node.hex(ctx.node()) for ctx in |
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152 | 152 | repo.set('::%ln', pullop.common) |
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153 | 153 | if ctx.node() != node.nullid] |
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154 | 154 | if not kwargs['known']: |
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155 | 155 | # Mercurial serializes an empty list as '' and deserializes it as |
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156 | 156 | # [''], so delete it instead to avoid handling the empty string on |
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157 | 157 | # the server. |
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158 | 158 | del kwargs['known'] |
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159 | 159 | |
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160 | 160 | extensions.wrapfunction(exchange,'_pullbundle2extraprepare', |
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161 | 161 | pullbundle2extraprepare) |
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162 | 162 | |
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163 | # This is an extension point for filesystems that need to do something other | |
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164 | # than just blindly unlink the files. It's not clear what arguments would be | |
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165 | # useful, so we're passing in a fair number of them, some of them redundant. | |
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166 | def _narrowcleanupwdir(repo, oldincludes, oldexcludes, newincludes, newexcludes, | |
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167 | oldmatch, newmatch): | |
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168 | for f in repo.dirstate: | |
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169 | if not newmatch(f): | |
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170 | repo.dirstate.drop(f) | |
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171 | repo.wvfs.unlinkpath(f) | |
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172 | ||
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163 | 173 | def _narrow(ui, repo, remote, commoninc, oldincludes, oldexcludes, |
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164 | 174 | newincludes, newexcludes, force): |
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165 | 175 | oldmatch = narrowspec.match(repo.root, oldincludes, oldexcludes) |
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166 | 176 | newmatch = narrowspec.match(repo.root, newincludes, newexcludes) |
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167 | 177 | |
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168 | 178 | # This is essentially doing "hg outgoing" to find all local-only |
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169 | 179 | # commits. We will then check that the local-only commits don't |
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170 | 180 | # have any changes to files that will be untracked. |
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171 | 181 | unfi = repo.unfiltered() |
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172 | 182 | outgoing = discovery.findcommonoutgoing(unfi, remote, |
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173 | 183 | commoninc=commoninc) |
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174 | 184 | ui.status(_('looking for local changes to affected paths\n')) |
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175 | 185 | localnodes = [] |
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176 | 186 | for n in itertools.chain(outgoing.missing, outgoing.excluded): |
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177 | 187 | if any(oldmatch(f) and not newmatch(f) for f in unfi[n].files()): |
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178 | 188 | localnodes.append(n) |
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179 | 189 | revstostrip = unfi.revs('descendants(%ln)', localnodes) |
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180 | 190 | hiddenrevs = repoview.filterrevs(repo, 'visible') |
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181 | 191 | visibletostrip = list(repo.changelog.node(r) |
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182 | 192 | for r in (revstostrip - hiddenrevs)) |
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183 | 193 | if visibletostrip: |
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184 | 194 | ui.status(_('The following changeset(s) or their ancestors have ' |
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185 | 195 | 'local changes not on the remote:\n')) |
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186 | 196 | maxnodes = 10 |
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187 | 197 | if ui.verbose or len(visibletostrip) <= maxnodes: |
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188 | 198 | for n in visibletostrip: |
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189 | 199 | ui.status('%s\n' % node.short(n)) |
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190 | 200 | else: |
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191 | 201 | for n in visibletostrip[:maxnodes]: |
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192 | 202 | ui.status('%s\n' % node.short(n)) |
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193 | 203 | ui.status(_('...and %d more, use --verbose to list all\n') % |
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194 | 204 | (len(visibletostrip) - maxnodes)) |
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195 | 205 | if not force: |
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196 | 206 | raise error.Abort(_('local changes found'), |
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197 | 207 | hint=_('use --force-delete-local-changes to ' |
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198 | 208 | 'ignore')) |
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199 | 209 | |
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200 | 210 | with ui.uninterruptable(): |
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201 | 211 | if revstostrip: |
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202 | 212 | tostrip = [unfi.changelog.node(r) for r in revstostrip] |
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203 | 213 | if repo['.'].node() in tostrip: |
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204 | 214 | # stripping working copy, so move to a different commit first |
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205 | 215 | urev = max(repo.revs('(::%n) - %ln + null', |
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206 | 216 | repo['.'].node(), visibletostrip)) |
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207 | 217 | hg.clean(repo, urev) |
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208 | 218 | repair.strip(ui, unfi, tostrip, topic='narrow') |
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209 | 219 | |
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210 | 220 | todelete = [] |
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211 | 221 | for f, f2, size in repo.store.datafiles(): |
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212 | 222 | if f.startswith('data/'): |
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213 | 223 | file = f[5:-2] |
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214 | 224 | if not newmatch(file): |
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215 | 225 | todelete.append(f) |
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216 | 226 | elif f.startswith('meta/'): |
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217 | 227 | dir = f[5:-13] |
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218 | 228 | dirs = ['.'] + sorted(util.dirs({dir})) + [dir] |
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219 | 229 | include = True |
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220 | 230 | for d in dirs: |
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221 | 231 | visit = newmatch.visitdir(d) |
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222 | 232 | if not visit: |
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223 | 233 | include = False |
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224 | 234 | break |
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225 | 235 | if visit == 'all': |
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226 | 236 | break |
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227 | 237 | if not include: |
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228 | 238 | todelete.append(f) |
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229 | 239 | |
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230 | 240 | repo.destroying() |
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231 | 241 | |
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232 | 242 | with repo.transaction("narrowing"): |
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233 | 243 | for f in todelete: |
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234 | 244 | ui.status(_('deleting %s\n') % f) |
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235 | 245 | util.unlinkpath(repo.svfs.join(f)) |
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236 | 246 | repo.store.markremoved(f) |
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237 | 247 | |
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238 | for f in repo.dirstate: | |
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239 |
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240 | repo.dirstate.drop(f) | |
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241 | repo.wvfs.unlinkpath(f) | |
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248 | _narrowcleanupwdir(repo, oldincludes, oldexcludes, newincludes, | |
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249 | newexcludes, oldmatch, newmatch) | |
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242 | 250 | repo.setnarrowpats(newincludes, newexcludes) |
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243 | 251 | |
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244 | 252 | repo.destroyed() |
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245 | 253 | |
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246 | 254 | def _widen(ui, repo, remote, commoninc, newincludes, newexcludes): |
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247 | 255 | newmatch = narrowspec.match(repo.root, newincludes, newexcludes) |
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248 | 256 | |
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249 | 257 | def pullbundle2extraprepare_widen(orig, pullop, kwargs): |
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250 | 258 | orig(pullop, kwargs) |
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251 | 259 | # The old{in,ex}cludepats have already been set by orig() |
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252 | 260 | kwargs['includepats'] = newincludes |
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253 | 261 | kwargs['excludepats'] = newexcludes |
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254 | 262 | kwargs['widen'] = True |
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255 | 263 | wrappedextraprepare = extensions.wrappedfunction(exchange, |
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256 | 264 | '_pullbundle2extraprepare', pullbundle2extraprepare_widen) |
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257 | 265 | |
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258 | 266 | # define a function that narrowbundle2 can call after creating the |
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259 | 267 | # backup bundle, but before applying the bundle from the server |
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260 | 268 | def setnewnarrowpats(): |
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261 | 269 | repo.setnarrowpats(newincludes, newexcludes) |
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262 | 270 | repo.setnewnarrowpats = setnewnarrowpats |
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263 | 271 | # silence the devel-warning of applying an empty changegroup |
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264 | 272 | overrides = {('devel', 'all-warnings'): False} |
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265 | 273 | |
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266 | 274 | with ui.uninterruptable(): |
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267 | 275 | ds = repo.dirstate |
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268 | 276 | p1, p2 = ds.p1(), ds.p2() |
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269 | 277 | with ds.parentchange(): |
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270 | 278 | ds.setparents(node.nullid, node.nullid) |
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271 | 279 | common = commoninc[0] |
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272 | 280 | with wrappedextraprepare, repo.ui.configoverride(overrides, 'widen'): |
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273 | 281 | exchange.pull(repo, remote, heads=common) |
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274 | 282 | with ds.parentchange(): |
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275 | 283 | ds.setparents(p1, p2) |
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276 | 284 | |
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277 | 285 | repo.setnewnarrowpats() |
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278 | 286 | actions = {k: [] for k in 'a am f g cd dc r dm dg m e k p pr'.split()} |
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279 | 287 | addgaction = actions['g'].append |
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280 | 288 | |
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281 | 289 | mf = repo['.'].manifest().matches(newmatch) |
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282 | 290 | for f, fn in mf.iteritems(): |
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283 | 291 | if f not in repo.dirstate: |
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284 | 292 | addgaction((f, (mf.flags(f), False), |
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285 | 293 | "add from widened narrow clone")) |
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286 | 294 | |
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287 | 295 | merge.applyupdates(repo, actions, wctx=repo[None], |
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288 | 296 | mctx=repo['.'], overwrite=False) |
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289 | 297 | merge.recordupdates(repo, actions, branchmerge=False) |
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290 | 298 | |
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291 | 299 | # TODO(rdamazio): Make new matcher format and update description |
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292 | 300 | @command('tracked', |
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293 | 301 | [('', 'addinclude', [], _('new paths to include')), |
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294 | 302 | ('', 'removeinclude', [], _('old paths to no longer include')), |
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295 | 303 | ('', 'addexclude', [], _('new paths to exclude')), |
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296 | 304 | ('', 'import-rules', '', _('import narrowspecs from a file')), |
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297 | 305 | ('', 'removeexclude', [], _('old paths to no longer exclude')), |
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298 | 306 | ('', 'clear', False, _('whether to replace the existing narrowspec')), |
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299 | 307 | ('', 'force-delete-local-changes', False, |
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300 | 308 | _('forces deletion of local changes when narrowing')), |
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301 | 309 | ] + commands.remoteopts, |
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302 | 310 | _('[OPTIONS]... [REMOTE]'), |
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303 | 311 | inferrepo=True) |
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304 | 312 | def trackedcmd(ui, repo, remotepath=None, *pats, **opts): |
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305 | 313 | """show or change the current narrowspec |
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306 | 314 | |
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307 | 315 | With no argument, shows the current narrowspec entries, one per line. Each |
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308 | 316 | line will be prefixed with 'I' or 'X' for included or excluded patterns, |
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309 | 317 | respectively. |
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310 | 318 | |
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311 | 319 | The narrowspec is comprised of expressions to match remote files and/or |
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312 | 320 | directories that should be pulled into your client. |
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313 | 321 | The narrowspec has *include* and *exclude* expressions, with excludes always |
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314 | 322 | trumping includes: that is, if a file matches an exclude expression, it will |
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315 | 323 | be excluded even if it also matches an include expression. |
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316 | 324 | Excluding files that were never included has no effect. |
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317 | 325 | |
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318 | 326 | Each included or excluded entry is in the format described by |
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319 | 327 | 'hg help patterns'. |
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320 | 328 | |
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321 | 329 | The options allow you to add or remove included and excluded expressions. |
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322 | 330 | |
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323 | 331 | If --clear is specified, then all previous includes and excludes are DROPPED |
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324 | 332 | and replaced by the new ones specified to --addinclude and --addexclude. |
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325 | 333 | If --clear is specified without any further options, the narrowspec will be |
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326 | 334 | empty and will not match any files. |
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327 | 335 | """ |
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328 | 336 | opts = pycompat.byteskwargs(opts) |
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329 | 337 | if repository.NARROW_REQUIREMENT not in repo.requirements: |
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330 | 338 | ui.warn(_('The narrow command is only supported on respositories cloned' |
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331 | 339 | ' with --narrow.\n')) |
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332 | 340 | return 1 |
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333 | 341 | |
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334 | 342 | # Before supporting, decide whether it "hg tracked --clear" should mean |
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335 | 343 | # tracking no paths or all paths. |
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336 | 344 | if opts['clear']: |
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337 | 345 | ui.warn(_('The --clear option is not yet supported.\n')) |
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338 | 346 | return 1 |
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339 | 347 | |
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340 | 348 | # import rules from a file |
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341 | 349 | newrules = opts.get('import_rules') |
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342 | 350 | if newrules: |
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343 | 351 | try: |
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344 | 352 | filepath = os.path.join(pycompat.getcwd(), newrules) |
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345 | 353 | fdata = util.readfile(filepath) |
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346 | 354 | except IOError as inst: |
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347 | 355 | raise error.Abort(_("cannot read narrowspecs from '%s': %s") % |
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348 | 356 | (filepath, encoding.strtolocal(inst.strerror))) |
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349 | 357 | includepats, excludepats, profiles = sparse.parseconfig(ui, fdata, |
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350 | 358 | 'narrow') |
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351 | 359 | if profiles: |
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352 | 360 | raise error.Abort(_("including other spec files using '%include' " |
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353 | 361 | "is not supported in narrowspec")) |
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354 | 362 | opts['addinclude'].extend(includepats) |
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355 | 363 | opts['addexclude'].extend(excludepats) |
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356 | 364 | |
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357 | 365 | addedincludes = narrowspec.parsepatterns(opts['addinclude']) |
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358 | 366 | removedincludes = narrowspec.parsepatterns(opts['removeinclude']) |
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359 | 367 | addedexcludes = narrowspec.parsepatterns(opts['addexclude']) |
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360 | 368 | removedexcludes = narrowspec.parsepatterns(opts['removeexclude']) |
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361 | 369 | widening = addedincludes or removedexcludes |
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362 | 370 | narrowing = removedincludes or addedexcludes |
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363 | 371 | only_show = not widening and not narrowing |
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364 | 372 | |
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365 | 373 | # Only print the current narrowspec. |
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366 | 374 | if only_show: |
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367 | 375 | include, exclude = repo.narrowpats |
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368 | 376 | |
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369 | 377 | ui.pager('tracked') |
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370 | 378 | fm = ui.formatter('narrow', opts) |
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371 | 379 | for i in sorted(include): |
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372 | 380 | fm.startitem() |
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373 | 381 | fm.write('status', '%s ', 'I', label='narrow.included') |
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374 | 382 | fm.write('pat', '%s\n', i, label='narrow.included') |
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375 | 383 | for i in sorted(exclude): |
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376 | 384 | fm.startitem() |
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377 | 385 | fm.write('status', '%s ', 'X', label='narrow.excluded') |
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378 | 386 | fm.write('pat', '%s\n', i, label='narrow.excluded') |
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379 | 387 | fm.end() |
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380 | 388 | return 0 |
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381 | 389 | |
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382 | 390 | with repo.wlock(), repo.lock(): |
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383 | 391 | cmdutil.bailifchanged(repo) |
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384 | 392 | |
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385 | 393 | # Find the revisions we have in common with the remote. These will |
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386 | 394 | # be used for finding local-only changes for narrowing. They will |
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387 | 395 | # also define the set of revisions to update for widening. |
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388 | 396 | remotepath = ui.expandpath(remotepath or 'default') |
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389 | 397 | url, branches = hg.parseurl(remotepath) |
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390 | 398 | ui.status(_('comparing with %s\n') % util.hidepassword(url)) |
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391 | 399 | remote = hg.peer(repo, opts, url) |
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392 | 400 | commoninc = discovery.findcommonincoming(repo, remote) |
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393 | 401 | |
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394 | 402 | oldincludes, oldexcludes = repo.narrowpats |
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395 | 403 | if narrowing: |
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396 | 404 | newincludes = oldincludes - removedincludes |
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397 | 405 | newexcludes = oldexcludes | addedexcludes |
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398 | 406 | _narrow(ui, repo, remote, commoninc, oldincludes, oldexcludes, |
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399 | 407 | newincludes, newexcludes, |
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400 | 408 | opts['force_delete_local_changes']) |
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401 | 409 | # _narrow() updated the narrowspec and _widen() below needs to |
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402 | 410 | # use the updated values as its base (otherwise removed includes |
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403 | 411 | # and addedexcludes will be lost in the resulting narrowspec) |
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404 | 412 | oldincludes = newincludes |
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405 | 413 | oldexcludes = newexcludes |
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406 | 414 | |
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407 | 415 | if widening: |
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408 | 416 | newincludes = oldincludes | addedincludes |
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409 | 417 | newexcludes = oldexcludes - removedexcludes |
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410 | 418 | _widen(ui, repo, remote, commoninc, newincludes, newexcludes) |
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411 | 419 | |
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412 | 420 | return 0 |
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