Mercurial > hg
annotate hgext/pager.py @ 13155:f02d7a562a21
subrepo: avoids empty commit when .hgsubstate is dirty (issue2403)
This patch avoids empty commit when .hgsubstate is dirty. Empty commit
was caused by .hgsubstate being updated back to the state of the
working copy parent when committing, if a user had changed it manually
and not made any changes in subrepositories.
The subrepository state from the working copies parent is compared
with the state calculated as a result of trying to commit the
subrepositories. If the two states are the same, then return None
otherwise the commit is just done.
The line: "committing subrepository x" will be written if there is
nothing committed, but .hgsubstate is dirty for x subrepository.
author | Erik Zielke <ez@aragost.com> |
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date | Mon, 29 Nov 2010 09:37:23 +0100 |
parents | 919c440868d9 |
children | 994510694b1d |
rev | line source |
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1 # pager.py - display output using a pager |
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2 # |
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3 # Copyright 2008 David Soria Parra <dsp@php.net> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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7 # |
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8 # To load the extension, add it to your configuration file: |
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9 # |
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10 # [extension] |
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11 # pager = |
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12 # |
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13 # Run "hg help pager" to get info on configuration. |
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14 |
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15 '''browse command output with an external pager |
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16 |
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17 To set the pager that should be used, set the application variable:: |
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18 |
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19 [pager] |
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20 pager = less -FRSX |
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21 |
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22 If no pager is set, the pager extensions uses the environment variable |
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23 $PAGER. If neither pager.pager, nor $PAGER is set, no pager is used. |
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24 |
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25 If you notice "BROKEN PIPE" error messages, you can disable them by |
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26 setting:: |
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27 |
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28 [pager] |
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29 quiet = True |
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30 |
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31 You can disable the pager for certain commands by adding them to the |
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32 pager.ignore list:: |
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33 |
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34 [pager] |
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35 ignore = version, help, update |
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36 |
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37 You can also enable the pager only for certain commands using |
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38 pager.attend. Below is the default list of commands to be paged:: |
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39 |
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40 [pager] |
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41 attend = annotate, cat, diff, export, glog, log, qdiff |
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42 |
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43 Setting pager.attend to an empty value will cause all commands to be |
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44 paged. |
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45 |
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46 If pager.attend is present, pager.ignore will be ignored. |
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47 |
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48 To ignore global commands like :hg:`version` or :hg:`help`, you have |
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49 to specify them in your user configuration file. |
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50 |
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51 The --pager=... option can also be used to control when the pager is |
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52 used. Use a boolean value like yes, no, on, off, or use auto for |
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53 normal behavior. |
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54 ''' |
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55 |
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56 import sys, os, signal, shlex, errno |
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57 from mercurial import commands, dispatch, util, extensions |
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58 from mercurial.i18n import _ |
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59 |
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60 def _runpager(p): |
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61 if not hasattr(os, 'fork'): |
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62 sys.stderr = sys.stdout = util.popen(p, 'wb') |
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63 return |
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64 fdin, fdout = os.pipe() |
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65 pid = os.fork() |
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66 if pid == 0: |
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67 os.close(fdin) |
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68 os.dup2(fdout, sys.stdout.fileno()) |
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69 os.dup2(fdout, sys.stderr.fileno()) |
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70 os.close(fdout) |
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71 return |
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72 os.dup2(fdin, sys.stdin.fileno()) |
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73 os.close(fdin) |
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74 os.close(fdout) |
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75 try: |
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76 os.execvp('/bin/sh', ['/bin/sh', '-c', p]) |
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77 except OSError, e: |
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78 if e.errno == errno.ENOENT: |
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79 # no /bin/sh, try executing the pager directly |
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80 args = shlex.split(p) |
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81 os.execvp(args[0], args) |
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82 else: |
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83 raise |
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84 |
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85 def uisetup(ui): |
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87 return | |
88 | |
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89 def pagecmd(orig, ui, options, cmd, cmdfunc): |
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90 p = ui.config("pager", "pager", os.environ.get("PAGER")) |
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92 attend = ui.configlist('pager', 'attend', attended) |
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93 auto = options['pager'] == 'auto' |
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94 always = util.parsebool(options['pager']) |
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95 if (always or auto and |
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96 (cmd in attend or |
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97 (cmd not in ui.configlist('pager', 'ignore') and not attend))): |
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98 ui.setconfig('ui', 'formatted', ui.formatted()) |
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99 ui.setconfig('ui', 'interactive', False) |
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100 _runpager(p) |
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101 if ui.configbool('pager', 'quiet'): |
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102 signal.signal(signal.SIGPIPE, signal.SIG_DFL) |
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103 return orig(ui, options, cmd, cmdfunc) |
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104 |
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105 extensions.wrapfunction(dispatch, '_runcommand', pagecmd) |
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106 |
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107 def extsetup(ui): |
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108 commands.globalopts.append( |
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109 ('', 'pager', 'auto', |
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110 _("when to paginate (boolean, always, auto, or never)"), |
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111 _('TYPE'))) |
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112 |
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113 attended = ['annotate', 'cat', 'diff', 'export', 'glog', 'log', 'qdiff'] |