annotate svncommand.py @ 296:9be04de434ed

Get rid of .hg/svn/last_rev: We now calculate the last known revision by iterating over all known revisions and finding the highest number. Theoretically, we might be able to simply read the latest entry, but in practice, that's a bug waiting to happen. For instance, we might want to achieve compatibility with '.hg/shamap' as generated by the ConvertExtension, and it not only cannot offer a guarantee of linearity, but it also allows more than one conversion to source exists. I'd say we have other problems to care about until this turns up as a hotspot in profiling. Such as why we leak circa 100MB of memory per 1000 revisions converted ;)
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Fri, 27 Mar 2009 01:09:36 +0100
parents de3807ceea5c
children 2165461d2dd8 1611834e39ee
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1 import os
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2 import stat
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3 import sys
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4 import traceback
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5
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6 from mercurial import hg
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7 from mercurial import node
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8 from mercurial import util as merc_util
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9
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10 import svnwrap
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11 import util
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12 from util import register_subcommand, svn_subcommands, generate_help, svn_commands_nourl
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13 # dirty trick to force demandimport to run my decorator anyway.
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14 from utility_commands import print_wc_url
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15 from fetch_command import fetch_revisions
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16 from push_cmd import commit_from_rev
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17 from diff_cmd import diff_command
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18 from rebuildmeta import rebuildmeta
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19 # shut up, pyflakes, we must import those
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20 __x = [print_wc_url, fetch_revisions, commit_from_rev, diff_command, rebuildmeta]
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22 mode755 = (stat.S_IXUSR | stat.S_IXGRP| stat.S_IXOTH | stat.S_IRUSR |
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23 stat.S_IRGRP| stat.S_IROTH | stat.S_IWUSR)
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24 mode644 = (stat.S_IRUSR | stat.S_IRGRP| stat.S_IROTH | stat.S_IWUSR)
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27 def svncmd(ui, repo, subcommand, *args, **opts):
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28 if subcommand not in svn_subcommands:
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29 candidates = []
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30 for c in svn_subcommands:
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31 if c.startswith(subcommand):
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32 candidates.append(c)
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33 if len(candidates) == 1:
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34 subcommand = candidates[0]
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35 path = os.path.dirname(repo.path)
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36 try:
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37 commandfunc = svn_subcommands[subcommand]
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38 if commandfunc not in svn_commands_nourl:
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39 opts['svn_url'] = open(os.path.join(repo.path, 'svn', 'url')).read()
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40 return commandfunc(ui, args=args,
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41 hg_repo_path=path,
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42 repo=repo,
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43 **opts)
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44 except TypeError:
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45 tb = traceback.extract_tb(sys.exc_info()[2])
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46 if len(tb) == 1:
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47 ui.status('Bad arguments for subcommand %s\n' % subcommand)
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48 else:
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49 raise
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50 except KeyError, e:
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51 tb = traceback.extract_tb(sys.exc_info()[2])
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52 if len(tb) == 1:
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53 ui.status('Unknown subcommand %s\n' % subcommand)
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54 else:
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55 raise
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58 def help_command(ui, args=None, **opts):
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59 """show help for a given subcommands or a help overview
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60 """
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61 if args:
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62 subcommand = args[0]
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63 if subcommand not in svn_subcommands:
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64 candidates = []
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65 for c in svn_subcommands:
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66 if c.startswith(subcommand):
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67 candidates.append(c)
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68 if len(candidates) == 1:
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69 subcommand = candidates[0]
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70 elif len(candidates) > 1:
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71 ui.status('Ambiguous command. Could have been:\n%s\n' %
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72 ' '.join(candidates))
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73 return
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74 doc = svn_subcommands[subcommand].__doc__
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75 if doc is None:
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76 doc = "No documentation available for %s." % subcommand
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77 ui.status(doc.strip(), '\n')
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78 return
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79 ui.status(generate_help())
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80 help_command = register_subcommand('help')(help_command)
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81
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82 def update(ui, args, repo, clean=False, **opts):
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83 """update to a specified Subversion revision number
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84 """
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85 assert len(args) == 1
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86 rev = int(args[0])
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87 path = os.path.join(repo.path, 'svn', 'rev_map')
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88 answers = []
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89 for k,v in util.parse_revmap(path).iteritems():
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90 if k[0] == rev:
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91 answers.append((v, k[1]))
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92 if len(answers) == 1:
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93 if clean:
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94 return hg.clean(repo, answers[0][0])
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95 return hg.update(repo, answers[0][0])
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96 elif len(answers) == 0:
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97 ui.status('Revision %s did not produce an hg revision.\n' % rev)
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98 return 1
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99 else:
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100 ui.status('Ambiguous revision!\n')
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101 ui.status('\n'.join(['%s on %s' % (node.hex(a[0]), a[1]) for a in
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102 answers]+['']))
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103 return 1
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104 update = register_subcommand('up')(update)