Mercurial > hg
annotate hgext/acl.py @ 6858:8f256bf98219
Add support for multiple possible bisect results (issue1228, issue1182)
The real reason for both issue is that bisect can not handle cases where there
are multiple possibilities for the result.
Example (from issue1228):
rev 0 -> good
rev 1 -> skipped
rev 2 -> skipped
rev 3 -> skipped
rev 4 -> bad
Note that this patch does not only fix the reported Assertion Error but also
the problem of a non converging bisect:
hg init
for i in `seq 3`; do echo $i > $i; hg add $i; hg ci -m$i; done
hg bisect -b 2
hg bisect -g 0
hg bisect -s
From this state on, you can:
a) mark as bad forever (non converging!)
b) mark as good to get an inconsistent state
c) skip for the Assertion Error
Minor description and code edits by pmezard.
author | Bernhard Leiner <bleiner@gmail.com> |
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date | Sat, 02 Aug 2008 22:10:10 +0200 |
parents | f89fd07fc51d |
children | f6c00b17387c |
rev | line source |
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1 # acl.py - changeset access control for mercurial |
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2 # |
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3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 # |
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8 # this hook allows to allow or deny access to parts of a repo when |
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9 # taking incoming changesets. |
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10 # |
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11 # authorization is against local user name on system where hook is |
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12 # run, not committer of original changeset (since that is easy to |
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13 # spoof). |
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14 # |
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15 # acl hook is best to use if you use hgsh to set up restricted shells |
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16 # for authenticated users to only push to / pull from. not safe if |
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17 # user has interactive shell access, because they can disable hook. |
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18 # also not safe if remote users share one local account, because then |
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19 # no way to tell remote users apart. |
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20 # |
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21 # to use, configure acl extension in hgrc like this: |
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22 # |
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23 # [extensions] |
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24 # hgext.acl = |
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25 # |
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26 # [hooks] |
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27 # pretxnchangegroup.acl = python:hgext.acl.hook |
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28 # |
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29 # [acl] |
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30 # sources = serve # check if source of incoming changes in this list |
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31 # # ("serve" == ssh or http, "push", "pull", "bundle") |
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32 # |
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33 # allow and deny lists have subtree pattern (default syntax is glob) |
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34 # on left, user names on right. deny list checked before allow list. |
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35 # |
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36 # [acl.allow] |
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37 # # if acl.allow not present, all users allowed by default |
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38 # # empty acl.allow = no users allowed |
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39 # docs/** = doc_writer |
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40 # .hgtags = release_engineer |
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41 # |
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42 # [acl.deny] |
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43 # # if acl.deny not present, no users denied by default |
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44 # # empty acl.deny = all users allowed |
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45 # glob pattern = user4, user5 |
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46 # ** = user6 |
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47 |
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49 from mercurial.node import bin, short |
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50 from mercurial import util |
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51 import getpass |
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52 |
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53 class checker(object): |
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54 '''acl checker.''' |
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55 |
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56 def buildmatch(self, key): |
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57 '''return tuple of (match function, list enabled).''' |
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58 if not self.ui.has_section(key): |
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59 self.ui.debug(_('acl: %s not enabled\n') % key) |
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60 return None, False |
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61 |
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62 thisuser = self.getuser() |
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63 pats = [pat for pat, users in self.ui.configitems(key) |
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64 if thisuser in users.replace(',', ' ').split()] |
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65 self.ui.debug(_('acl: %s enabled, %d entries for user %s\n') % |
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66 (key, len(pats), thisuser)) |
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67 if pats: |
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68 match = util.matcher(self.repo.root, names=pats)[1] |
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69 else: |
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70 match = util.never |
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71 return match, True |
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72 |
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73 def getuser(self): |
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74 '''return name of authenticated user.''' |
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75 return self.user |
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76 |
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77 def __init__(self, ui, repo): |
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78 self.ui = ui |
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79 self.repo = repo |
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80 self.user = getpass.getuser() |
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81 cfg = self.ui.config('acl', 'config') |
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82 if cfg: |
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83 self.ui.readsections(cfg, 'acl.allow', 'acl.deny') |
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84 self.allow, self.allowable = self.buildmatch('acl.allow') |
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85 self.deny, self.deniable = self.buildmatch('acl.deny') |
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86 |
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87 def skipsource(self, source): |
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88 '''true if incoming changes from this source should be skipped.''' |
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89 ok_sources = self.ui.config('acl', 'sources', 'serve').split() |
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90 return source not in ok_sources |
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91 |
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92 def check(self, node): |
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93 '''return if access allowed, raise exception if not.''' |
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94 files = self.repo.changectx(node).files() |
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95 if self.deniable: |
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96 for f in files: |
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97 if self.deny(f): |
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98 self.ui.debug(_('acl: user %s denied on %s\n') % |
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99 (self.getuser(), f)) |
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100 raise util.Abort(_('acl: access denied for changeset %s') % |
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101 short(node)) |
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102 if self.allowable: |
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103 for f in files: |
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104 if not self.allow(f): |
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105 self.ui.debug(_('acl: user %s not allowed on %s\n') % |
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106 (self.getuser(), f)) |
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107 raise util.Abort(_('acl: access denied for changeset %s') % |
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108 short(node)) |
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109 self.ui.debug(_('acl: allowing changeset %s\n') % short(node)) |
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110 |
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111 def hook(ui, repo, hooktype, node=None, source=None, **kwargs): |
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112 if hooktype != 'pretxnchangegroup': |
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113 raise util.Abort(_('config error - hook type "%s" cannot stop ' |
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114 'incoming changesets') % hooktype) |
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115 |
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116 c = checker(ui, repo) |
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117 if c.skipsource(source): |
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118 ui.debug(_('acl: changes have source "%s" - skipping\n') % source) |
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119 return |
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120 |
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121 start = repo.changelog.rev(bin(node)) |
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122 end = repo.changelog.count() |
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123 for rev in xrange(start, end): |
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124 c.check(repo.changelog.node(rev)) |