Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/hook.py @ 4739:1da35d1e7ef9
Added full URL to debug output if something doesn't look like an http hg repo.
This way it is easier to debug problems with failing subcommands, like
changegroupsubset due to permission problems, when generally accessing
the repository works fine.
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 29 Jun 2007 11:13:36 +0200 |
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1 # hook.py - hook support for mercurial |
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2 # |
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3 # Copyright 2007 Matt Mackall <mpm@selenic.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 from i18n import _ |
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9 import util |
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10 |
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11 def _pythonhook(ui, repo, name, hname, funcname, args, throw): |
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12 '''call python hook. hook is callable object, looked up as |
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13 name in python module. if callable returns "true", hook |
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14 fails, else passes. if hook raises exception, treated as |
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15 hook failure. exception propagates if throw is "true". |
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16 |
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17 reason for "true" meaning "hook failed" is so that |
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18 unmodified commands (e.g. mercurial.commands.update) can |
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19 be run as hooks without wrappers to convert return values.''' |
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20 |
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21 ui.note(_("calling hook %s: %s\n") % (hname, funcname)) |
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22 obj = funcname |
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23 if not callable(obj): |
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24 d = funcname.rfind('.') |
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25 if d == -1: |
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26 raise util.Abort(_('%s hook is invalid ("%s" not in ' |
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27 'a module)') % (hname, funcname)) |
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28 modname = funcname[:d] |
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29 try: |
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30 obj = __import__(modname) |
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31 except ImportError: |
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32 try: |
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33 # extensions are loaded with hgext_ prefix |
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34 obj = __import__("hgext_%s" % modname) |
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35 except ImportError: |
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36 raise util.Abort(_('%s hook is invalid ' |
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37 '(import of "%s" failed)') % |
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38 (hname, modname)) |
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39 try: |
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40 for p in funcname.split('.')[1:]: |
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41 obj = getattr(obj, p) |
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42 except AttributeError, err: |
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43 raise util.Abort(_('%s hook is invalid ' |
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44 '("%s" is not defined)') % |
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45 (hname, funcname)) |
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46 if not callable(obj): |
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47 raise util.Abort(_('%s hook is invalid ' |
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48 '("%s" is not callable)') % |
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49 (hname, funcname)) |
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50 try: |
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51 r = obj(ui=ui, repo=repo, hooktype=name, **args) |
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52 except (KeyboardInterrupt, util.SignalInterrupt): |
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53 raise |
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54 except Exception, exc: |
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55 if isinstance(exc, util.Abort): |
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56 ui.warn(_('error: %s hook failed: %s\n') % |
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57 (hname, exc.args[0])) |
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58 else: |
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59 ui.warn(_('error: %s hook raised an exception: ' |
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60 '%s\n') % (hname, exc)) |
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61 if throw: |
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62 raise |
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63 ui.print_exc() |
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64 return True |
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65 if r: |
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66 if throw: |
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67 raise util.Abort(_('%s hook failed') % hname) |
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68 ui.warn(_('warning: %s hook failed\n') % hname) |
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69 return r |
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70 |
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71 def _exthook(ui, repo, name, cmd, args, throw): |
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72 ui.note(_("running hook %s: %s\n") % (name, cmd)) |
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73 env = dict([('HG_' + k.upper(), v) for k, v in args.iteritems()]) |
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74 r = util.system(cmd, environ=env, cwd=repo.root) |
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75 if r: |
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76 desc, r = util.explain_exit(r) |
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77 if throw: |
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78 raise util.Abort(_('%s hook %s') % (name, desc)) |
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79 ui.warn(_('warning: %s hook %s\n') % (name, desc)) |
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80 return r |
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81 |
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82 def hook(ui, repo, name, throw=False, **args): |
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83 r = False |
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84 hooks = [(hname, cmd) for hname, cmd in ui.configitems("hooks") |
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85 if hname.split(".", 1)[0] == name and cmd] |
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86 hooks.sort() |
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87 for hname, cmd in hooks: |
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88 if callable(cmd): |
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89 r = _pythonhook(ui, repo, name, hname, cmd, args, throw) or r |
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90 elif cmd.startswith('python:'): |
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91 r = _pythonhook(ui, repo, name, hname, cmd[7:].strip(), |
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92 args, throw) or r |
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93 else: |
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94 r = _exthook(ui, repo, hname, cmd, args, throw) or r |
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95 return r |
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96 |