3183             # `$HGRCPATH` but some tests override that, or changing `_hgcommand` to include

  3183             # `$HGRCPATH` but some tests override that, or changing `_hgcommand` to include

  3184             # `--config` but that disrupts tests that print command lines and check expected

  3184             # `--config` but that disrupts tests that print command lines and check expected

  3185             # output.

  3185             # output.

  3186             osenvironb[b'RHG_ON_UNSUPPORTED'] = b'fallback'

  3186             osenvironb[b'RHG_ON_UNSUPPORTED'] = b'fallback'

  3187             osenvironb[b'RHG_FALLBACK_EXECUTABLE'] = real_hg

  3187             osenvironb[b'RHG_FALLBACK_EXECUTABLE'] = real_hg

  3188         if self.options.rhg:

  3191         if self.options.rhg:

  3189             self._hgcommand = b'rhg'

  3192             self._hgcommand = b'rhg'

  3190         elif self.options.with_rhg:

  3193         elif self.options.with_rhg:

  3191             rhgbindir = os.path.dirname(os.path.realpath(self.options.with_rhg))

  3194             rhgbindir = os.path.dirname(os.path.realpath(self.options.with_rhg))

  3192             self._hgcommand = os.path.basename(self.options.with_rhg)

  3195             self._hgcommand = os.path.basename(self.options.with_rhg)