Mercurial > hg
annotate hgext/pager.py @ 9171:a458b9bf4f3a
hg: better wrapping of string literal
author | Martin Geisler <mg@lazybytes.net> |
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date | Fri, 17 Jul 2009 20:52:21 +0200 |
parents | 1abf3fdc5db4 |
children | dfc1d5da98f0 |
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Use the pager given by the environment to display long output
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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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6 # GNU General Public License version 2, incorporated herein by reference. |
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7 # |
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8 # To load the extension, add it to your .hgrc file: |
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9 # |
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10 # [extension] |
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11 # hgext.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='FSRX' less |
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21 |
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22 If no pager is set, the pager extensions uses the environment variable $PAGER. |
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23 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 setting: |
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26 |
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27 [pager] |
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28 quiet = True |
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29 |
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30 You can disable the pager for certain commands by adding them to the |
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31 pager.ignore list: |
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32 |
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33 [pager] |
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34 ignore = version, help, update |
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35 |
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36 You can also enable the pager only for certain commands using pager.attend: |
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37 |
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38 [pager] |
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39 attend = log |
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40 |
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41 If pager.attend is present, pager.ignore will be ignored. |
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42 |
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43 To ignore global commands like "hg version" or "hg help", you have to specify |
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44 them in the global .hgrc |
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45 ''' |
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46 |
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47 import sys, os, signal |
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48 from mercurial import dispatch, util, extensions |
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49 |
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50 def uisetup(ui): |
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51 def pagecmd(orig, ui, options, cmd, cmdfunc): |
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52 p = ui.config("pager", "pager", os.environ.get("PAGER")) |
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54 attend = ui.configlist('pager', 'attend') |
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55 if (cmd in attend or |
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56 (cmd not in ui.configlist('pager', 'ignore') and not attend)): |
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57 sys.stderr = sys.stdout = util.popen(p, "wb") |
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58 if ui.configbool('pager', 'quiet'): |
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59 signal.signal(signal.SIGPIPE, signal.SIG_DFL) |
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60 return orig(ui, options, cmd, cmdfunc) |
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61 |
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62 extensions.wrapfunction(dispatch, '_runcommand', pagecmd) |