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comparison mercurial/ui.py @ 31693:c5fe0c7dad94

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pager: do not read from environment variable $PAGER is converted to the pager.pager config item. So it's no longer necessary to read $PAGER in ui.pager().
author Jun Wu <quark@fb.com>
date Sun, 26 Mar 2017 21:43:47 -0700
parents 5bea95a1d353
children 2d11d278279a
comparison
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31692:5bea95a1d353 31693:c5fe0c7dad94
847 # We only want to paginate if the ui appears to be 847 # We only want to paginate if the ui appears to be
848 # interactive, the user didn't say HGPLAIN or 848 # interactive, the user didn't say HGPLAIN or
849 # HGPLAINEXCEPT=pager, and the user didn't specify --debug. 849 # HGPLAINEXCEPT=pager, and the user didn't specify --debug.
850 return 850 return
851 851
852 # TODO: add a "system defaults" config section so this default 852 fallbackpager = 'more'
853 # of more(1) can be easily replaced with a global 853 pagercmd = self.config('pager', 'pager', fallbackpager)
854 # configuration file. For example, on OS X the sane default is
855 # less(1), not more(1), and on debian it's
856 # sensible-pager(1). We should probably also give the system
857 # default editor command similar treatment.
858 envpager = encoding.environ.get('PAGER', 'more')
859 pagercmd = self.config('pager', 'pager', envpager)
860 if not pagercmd: 854 if not pagercmd:
861 return 855 return
862 856
863 self.debug('starting pager for command %r\n' % command) 857 self.debug('starting pager for command %r\n' % command)
864 self.flush() 858 self.flush()