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annotate hgext/pager.py @ 6457:7ef281e78c64

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Merge from crew-stable.
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Thu, 03 Apr 2008 11:16:07 +0200
parents db5324d3c257 13fafd8cc4a1
children 6c4e12682fb9
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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
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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 # 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 # To set the pager that should be used, set the application variable:
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14 #
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15 # [pager]
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16 # pager = LESS='FSRX' less
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17 #
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18 # If no pager is set, the pager extensions uses the environment
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19 # variable $PAGER. If neither pager.pager, nor $PAGER is set, no pager
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20 # is used.
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21 #
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22 # If you notice "BROKEN PIPE" error messages, you can disable them
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23 # by setting:
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24 #
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25 # [pager]
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26 # quiet = True
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27 #
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28 # You can disable the pager for certain commands by adding them to the
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29 # pager.ignore list:
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30 #
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31 # [pager]
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32 # ignore = version, help, update
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33 #
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34 # You can also enable the pager only for certain commands using pager.attend:
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35 #
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36 # [pager]
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37 # attend = log
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38 #
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39 # If pager.attend is present, pager.ignore will be ignored.
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40 #
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41 # To ignore global commands like 'hg version' or 'hg help', you have to specify them
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42 # in the global .hgrc
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43
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44 import sys, os, signal
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45 from mercurial import dispatch
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46
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47 def uisetup(ui):
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48 def pagecmd(ui, options, cmd, cmdfunc):
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49 p = ui.config("pager", "pager", os.environ.get("PAGER"))
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50 if p and sys.stdout.isatty() and '--debugger' not in sys.argv:
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51 attend = ui.configlist('pager', 'attend')
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52 if (cmd in attend or
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53 (cmd not in ui.configlist('pager', 'ignore') and not attend)):
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54 sys.stderr = sys.stdout = os.popen(p, "wb")
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55 if ui.configbool('pager', 'quiet'):
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56 signal.signal(signal.SIGPIPE, signal.SIG_DFL)
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57 return oldrun(ui, options, cmd, cmdfunc)
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58
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59 oldrun = dispatch._runcommand
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60 dispatch._runcommand = pagecmd