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1 | # __init__.py - inotify-based status acceleration for Linux |
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1 | # __init__.py - inotify-based status acceleration for Linux | |
2 | # |
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2 | # | |
3 | # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> |
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3 | # Copyright 2006, 2007, 2008 Bryan O'Sullivan <bos@serpentine.com> | |
4 | # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> |
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4 | # Copyright 2007, 2008 Brendan Cully <brendan@kublai.com> | |
5 | # |
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5 | # | |
6 | # This software may be used and distributed according to the terms of the |
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6 | # This software may be used and distributed according to the terms of the | |
7 | # GNU General Public License version 2 or any later version. |
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7 | # GNU General Public License version 2 or any later version. | |
8 |
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8 | |||
9 | '''accelerate status report using Linux's inotify service''' |
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9 | '''accelerate status report using Linux's inotify service''' | |
10 |
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10 | |||
11 | # todo: socket permissions |
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11 | # todo: socket permissions | |
12 |
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12 | |||
13 | from mercurial.i18n import _ |
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13 | from mercurial.i18n import _ | |
14 | import server |
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14 | import server | |
15 | from client import client, QueryFailed |
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15 | from client import client, QueryFailed | |
16 |
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16 | |||
17 | def serve(ui, repo, **opts): |
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17 | def serve(ui, repo, **opts): | |
18 | '''start an inotify server for this repository''' |
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18 | '''start an inotify server for this repository''' | |
19 | server.start(ui, repo.dirstate, repo.root, opts) |
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19 | server.start(ui, repo.dirstate, repo.root, opts) | |
20 |
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20 | |||
21 | def debuginotify(ui, repo, **opts): |
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21 | def debuginotify(ui, repo, **opts): | |
22 | '''debugging information for inotify extension |
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22 | '''debugging information for inotify extension | |
23 |
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23 | |||
24 | Prints the list of directories being watched by the inotify server. |
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24 | Prints the list of directories being watched by the inotify server. | |
25 | ''' |
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25 | ''' | |
26 | cli = client(ui, repo) |
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26 | cli = client(ui, repo) | |
27 | response = cli.debugquery() |
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27 | response = cli.debugquery() | |
28 |
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28 | |||
29 | ui.write(_('directories being watched:\n')) |
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29 | ui.write(_('directories being watched:\n')) | |
30 | for path in response: |
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30 | for path in response: | |
31 | ui.write((' %s/\n') % path) |
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31 | ui.write((' %s/\n') % path) | |
32 |
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32 | |||
33 | def reposetup(ui, repo): |
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33 | def reposetup(ui, repo): | |
34 | if not hasattr(repo, 'dirstate'): |
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34 | if not hasattr(repo, 'dirstate'): | |
35 | return |
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35 | return | |
36 |
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36 | |||
37 | class inotifydirstate(repo.dirstate.__class__): |
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37 | class inotifydirstate(repo.dirstate.__class__): | |
38 |
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38 | |||
39 | # We'll set this to false after an unsuccessful attempt so that |
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39 | # We'll set this to false after an unsuccessful attempt so that | |
40 | # next calls of status() within the same instance don't try again |
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40 | # next calls of status() within the same instance don't try again | |
41 | # to start an inotify server if it won't start. |
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41 | # to start an inotify server if it won't start. | |
42 | _inotifyon = True |
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42 | _inotifyon = True | |
43 |
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43 | |||
44 |
def status(self, match, subrepos, ignored, clean, unknown |
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44 | def status(self, match, subrepos, ignored, clean, unknown): | |
45 | files = match.files() |
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45 | files = match.files() | |
46 | if '.' in files: |
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46 | if '.' in files: | |
47 | files = [] |
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47 | files = [] | |
48 | if self._inotifyon and not ignored and not subrepos and not self._dirty: |
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48 | if self._inotifyon and not ignored and not subrepos and not self._dirty: | |
49 | cli = client(ui, repo) |
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49 | cli = client(ui, repo) | |
50 | try: |
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50 | try: | |
51 | result = cli.statusquery(files, match, False, |
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51 | result = cli.statusquery(files, match, False, | |
52 | clean, unknown) |
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52 | clean, unknown) | |
53 | except QueryFailed, instr: |
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53 | except QueryFailed, instr: | |
54 | ui.debug(str(instr)) |
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54 | ui.debug(str(instr)) | |
55 | # don't retry within the same hg instance |
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55 | # don't retry within the same hg instance | |
56 | inotifydirstate._inotifyon = False |
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56 | inotifydirstate._inotifyon = False | |
57 | pass |
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57 | pass | |
58 | else: |
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58 | else: | |
59 | if ui.config('inotify', 'debug'): |
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59 | if ui.config('inotify', 'debug'): | |
60 | r2 = super(inotifydirstate, self).status( |
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60 | r2 = super(inotifydirstate, self).status( | |
61 | match, [], False, clean, unknown) |
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61 | match, [], False, clean, unknown) | |
62 | for c, a, b in zip('LMARDUIC', result, r2): |
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62 | for c, a, b in zip('LMARDUIC', result, r2): | |
63 | for f in a: |
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63 | for f in a: | |
64 | if f not in b: |
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64 | if f not in b: | |
65 | ui.warn('*** inotify: %s +%s\n' % (c, f)) |
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65 | ui.warn('*** inotify: %s +%s\n' % (c, f)) | |
66 | for f in b: |
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66 | for f in b: | |
67 | if f not in a: |
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67 | if f not in a: | |
68 | ui.warn('*** inotify: %s -%s\n' % (c, f)) |
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68 | ui.warn('*** inotify: %s -%s\n' % (c, f)) | |
69 | result = r2 |
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69 | result = r2 | |
70 | return result |
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70 | return result | |
71 | return super(inotifydirstate, self).status( |
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71 | return super(inotifydirstate, self).status( | |
72 | match, subrepos, ignored, clean, unknown) |
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72 | match, subrepos, ignored, clean, unknown) | |
73 |
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73 | |||
74 | repo.dirstate.__class__ = inotifydirstate |
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74 | repo.dirstate.__class__ = inotifydirstate | |
75 |
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75 | |||
76 | cmdtable = { |
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76 | cmdtable = { | |
77 | 'debuginotify': |
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77 | 'debuginotify': | |
78 | (debuginotify, [], ('hg debuginotify')), |
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78 | (debuginotify, [], ('hg debuginotify')), | |
79 | '^inserve': |
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79 | '^inserve': | |
80 | (serve, |
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80 | (serve, | |
81 | [('d', 'daemon', None, _('run server in background')), |
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81 | [('d', 'daemon', None, _('run server in background')), | |
82 | ('', 'daemon-pipefds', '', _('used internally by daemon mode')), |
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82 | ('', 'daemon-pipefds', '', _('used internally by daemon mode')), | |
83 | ('t', 'idle-timeout', '', _('minutes to sit idle before exiting')), |
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83 | ('t', 'idle-timeout', '', _('minutes to sit idle before exiting')), | |
84 | ('', 'pid-file', '', _('name of file to write process ID to'))], |
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84 | ('', 'pid-file', '', _('name of file to write process ID to'))], | |
85 | _('hg inserve [OPTION]...')), |
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85 | _('hg inserve [OPTION]...')), | |
86 | } |
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86 | } |
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