Mercurial > hg
annotate contrib/genosxversion.py @ 49680:40e24d82b513
delta-find: make sure we only use newer full snapshot as candidate
The current code does not needs to protect against this, as there are no older
snapshot in the current cache. However as we are getting ready to reuse this
cache from one revision to another, we need the code to protect itself about
what's coming.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Sun, 06 Nov 2022 17:55:55 -0500 |
parents | 6000f5b25c9b |
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rev | line source |
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1 #!/usr/bin/env python2 |
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2 |
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3 import argparse |
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4 import os |
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5 import subprocess |
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6 import sys |
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7 |
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8 try: |
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9 # Always load hg libraries from the hg we can find on $PATH. |
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10 hglib = subprocess.check_output(['hg', 'debuginstall', '-T', '{hgmodules}']) |
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11 sys.path.insert(0, os.path.dirname(hglib)) |
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12 except subprocess.CalledProcessError: |
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13 # We're probably running with a PyOxidized Mercurial, so just |
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14 # proceed and hope it works out okay. |
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15 pass |
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16 |
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17 from mercurial import util |
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18 |
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19 ap = argparse.ArgumentParser() |
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20 ap.add_argument( |
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21 '--paranoid', |
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22 action='store_true', |
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23 help=( |
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24 "Be paranoid about how version numbers compare and " |
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25 "produce something that's more likely to sort " |
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26 "reasonably." |
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27 ), |
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28 ) |
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29 ap.add_argument('--selftest', action='store_true', help='Run self-tests.') |
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30 ap.add_argument('versionfile', help='Path to a valid mercurial __version__.py') |
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31 |
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32 |
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33 def paranoidver(ver): |
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34 """Given an hg version produce something that distutils can sort. |
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35 |
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36 Some Mac package management systems use distutils code in order to |
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37 figure out upgrades, which makes life difficult. The test case is |
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38 a reduced version of code in the Munki tool used by some large |
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39 organizations to centrally manage OS X packages, which is what |
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40 inspired this kludge. |
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41 |
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42 >>> paranoidver('3.4') |
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43 '3.4.0' |
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44 >>> paranoidver('3.4.2') |
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45 '3.4.2' |
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46 >>> paranoidver('3.0-rc+10') |
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47 '2.9.9999-rc+10' |
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48 >>> paranoidver('4.2+483-5d44d7d4076e') |
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49 '4.2.0+483-5d44d7d4076e' |
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50 >>> paranoidver('4.2.1+598-48d1e1214d8c') |
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51 '4.2.1+598-48d1e1214d8c' |
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52 >>> paranoidver('4.3-rc') |
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53 '4.2.9999-rc' |
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54 >>> paranoidver('4.3') |
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55 '4.3.0' |
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56 >>> from distutils import version |
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57 >>> class LossyPaddedVersion(version.LooseVersion): |
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58 ... '''Subclass version.LooseVersion to compare things like |
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59 ... "10.6" and "10.6.0" as equal''' |
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60 ... def __init__(self, s): |
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61 ... self.parse(s) |
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62 ... |
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63 ... def _pad(self, version_list, max_length): |
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64 ... 'Pad a version list by adding extra 0 components to the end' |
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65 ... # copy the version_list so we don't modify it |
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66 ... cmp_list = list(version_list) |
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67 ... while len(cmp_list) < max_length: |
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68 ... cmp_list.append(0) |
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69 ... return cmp_list |
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70 ... |
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71 ... def __cmp__(self, other): |
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72 ... if isinstance(other, str): |
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73 ... other = MunkiLooseVersion(other) |
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74 ... max_length = max(len(self.version), len(other.version)) |
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75 ... self_cmp_version = self._pad(self.version, max_length) |
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76 ... other_cmp_version = self._pad(other.version, max_length) |
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77 ... return cmp(self_cmp_version, other_cmp_version) |
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78 >>> def testver(older, newer): |
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79 ... o = LossyPaddedVersion(paranoidver(older)) |
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80 ... n = LossyPaddedVersion(paranoidver(newer)) |
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81 ... return o < n |
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82 >>> testver('3.4', '3.5') |
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83 True |
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84 >>> testver('3.4.0', '3.5-rc') |
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85 True |
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86 >>> testver('3.4-rc', '3.5') |
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87 True |
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88 >>> testver('3.4-rc+10-deadbeef', '3.5') |
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89 True |
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90 >>> testver('3.4.2', '3.5-rc') |
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91 True |
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92 >>> testver('3.4.2', '3.5-rc+10-deadbeef') |
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93 True |
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94 >>> testver('4.2+483-5d44d7d4076e', '4.2.1+598-48d1e1214d8c') |
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95 True |
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96 >>> testver('4.3-rc', '4.3') |
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97 True |
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98 >>> testver('4.3', '4.3-rc') |
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99 False |
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100 """ |
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101 major, minor, micro, extra = util.versiontuple(ver, n=4) |
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102 if micro is None: |
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103 micro = 0 |
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104 if extra: |
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105 if extra.startswith('rc'): |
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106 if minor == 0: |
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107 major -= 1 |
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108 minor = 9 |
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109 else: |
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110 minor -= 1 |
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111 micro = 9999 |
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112 extra = '-' + extra |
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113 else: |
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114 extra = '+' + extra |
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115 else: |
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116 extra = '' |
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117 return '%d.%d.%d%s' % (major, minor, micro, extra) |
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118 |
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119 |
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120 def main(argv): |
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121 opts = ap.parse_args(argv[1:]) |
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122 if opts.selftest: |
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123 import doctest |
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124 |
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125 doctest.testmod() |
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126 return |
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127 with open(opts.versionfile) as f: |
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128 for l in f: |
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129 if l.startswith('version = b'): |
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130 # version number is entire line minus the quotes |
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131 ver = l[len('version = b') + 1 : -2] |
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132 break |
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133 if opts.paranoid: |
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134 print(paranoidver(ver)) |
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135 else: |
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136 print(ver) |
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137 |
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138 |
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139 if __name__ == '__main__': |
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140 main(sys.argv) |