1465             b'starting pager for command %s\n' % stringutil.pprint(command)

  1465             b'starting pager for command %s\n' % stringutil.pprint(command)

  1466         )

  1466         )

  1467         self.flush()

  1467         self.flush()

  1468 

  1468 

  1469         wasformatted = self.formatted()

  1469         wasformatted = self.formatted()

  1471             signal.signal(signal.SIGPIPE, _catchterm)

  1471             signal.signal(signal.SIGPIPE, _catchterm)

  1472         if self._runpager(pagercmd, pagerenv):

  1472         if self._runpager(pagercmd, pagerenv):

  1473             self.pageractive = True

  1473             self.pageractive = True

  1474             # Preserve the formatted-ness of the UI. This is important

  1474             # Preserve the formatted-ness of the UI. This is important

  1475             # because we mess with stdout, which might confuse

  1475             # because we mess with stdout, which might confuse

  1545         if self._isatty(procutil.stderr):

  1545         if self._isatty(procutil.stderr):

  1546             os.dup2(pager.stdin.fileno(), procutil.stderr.fileno())

  1546             os.dup2(pager.stdin.fileno(), procutil.stderr.fileno())

  1547 

  1547 

  1548         @self.atexit

  1548         @self.atexit

  1549         def killpager():

  1549         def killpager():

  1551                 signal.signal(signal.SIGINT, signal.SIG_IGN)

  1551                 signal.signal(signal.SIGINT, signal.SIG_IGN)

  1552             # restore original fds, closing pager.stdin copies in the process

  1552             # restore original fds, closing pager.stdin copies in the process

  1553             os.dup2(stdoutfd, procutil.stdout.fileno())

  1553             os.dup2(stdoutfd, procutil.stdout.fileno())

  1554             os.dup2(stderrfd, procutil.stderr.fileno())

  1554             os.dup2(stderrfd, procutil.stderr.fileno())

  1555             pager.stdin.close()

  1555             pager.stdin.close()